You won't find lots of extra options hidden in a system of hidden menus, either; what you see really is what you get." I’ve been using the My Passport for Mac for about two years with no problems. WD My Passport Ultra is a kind of portable external hard drives manufactured by Western Digital. WD external hard drive not recognized Windows 10. I've tried initializing it, but it keeps saying "the media is write protected" and wouldn't let me. Connect the drive's USB or FireWire cable and check for detection. I have a MacBook Pro 2016 and a my passport for mac hard drive which stopped mounting. It's far from perfect, partly because today's advanced disk technology makes data-recovery more difficult than it was with the simpler technology of the past, but it's fast and efficient..." —PCMag, "The first thing you'll notice about EaseUS Data Recovery Wizard Pro is that its interface is very clear and uncluttered, with only a small collection of self-explanatory controls. 1. Unacceptable :(  It was working for a few months without a problem :(. Expand Universal Serial Universal Serial Bus controllers > Right-click every USB device found there and select Uninstall. It might be the voltage adapter. Can anyone help me to backup the data from my hard drive. I’ve tested and swapped the USB cable and Power output, checked on a different computer and looked at Disk Utility, ALL with no luck. "It seems that my WD 1TB external hard drive cannot be recognized on my PC but the light is on. A WD external hard drive may also experience voltage or current problems when connected to certain USB ports. Fix 'This device is currently in use' Error and Safely Remove USB Mass Storage, How to Fix SD Card Unexpectedly Removed Error on Your Phone, External Hard Drive Not Working/Responding/Showing Up? Do any WD employees or technicians actually read this forum? Is there any way to service this drive (service manual?). But it doesn’t need to be. 5. Open Device Manager > Expand Universal Serial Bus controllers. To run Fist Aid on an external hard drive: Open Disk Utility. If that does not correct the behavior, and if the drive is also not detected by your computer, the blinking light is probably a symptom of a larger problem. and data content. I have done pretty much everything you suggested including terminal- force mounting (does detect before that) – comes up with unknown special file or file system message. "My 1TB WD external hard drive is not working on my Windows 10 PC and I can do nothing to the drive since it fails to show up in This PC. My WD Elements 2TB External hard drive is not working. Hello All, As the title says, I cannot see my external hard drive, a WD Elements Portable Hard Drive - 1 TB, on my Laptop. 3. Is your external drive not showing up on your Mac? Plugging directly into a wall plug resolved the problem. WD Drive Utilities for Windows. It's super easy to recover 250+ types of files after deletion, disk formatting and virus infection. Repeat this process to turn on all USB Root Hubs in the list and reboot the PC to see if the WD external hard drive shows up on your PC. 3. External hard drives back up your most important files, but what happens when they malfunction? 4. Note though it does seem where the ac plugs into the drive it mates very poorly so even moving the drive slightly causes a power reduction resulting in explorer losing the drive. I’m looking to avoid a Data Recovery . When the computer or WD external hard drive gets infected by virus or malware, you may not be able to access saved data or even open the drive in PC. Posted in another thread but this fixed my problem with computer not detecting WD drive: Just bought a new 2 TB WD Element and found it didnt plug and play like other external drive. ALL RIGHTS RESERVED. 1. Or your Mac may give you a message asking whether you would like to format the WD My Passport drive. If that does not correct the behavior, and if the drive is also not detected by your computer, the blinking light is probably a symptom of a larger problem. It was working fine a few days ago, Until there was a power surge and this problem started.. You may just have a try and see if they are helping. Click Start > Type: devmgmt.msc and hit Enter. It could be the power supply although its showing its getting power but it could be lower than needed to. My MacBook Pro won’t recognize the device. It’s realy important! External Disk Selected. WD External Drives. 2. Also refer to this link: Drives, partitions, formatting w/Mac's + PC's However, it’s highly unlikely that pointer #2 will help you get your WD My Passport mounted on Mac if the disk has some cryptic issues. Most people would have a multi socket adaptor for their PC, Monitor, etc which is why this problem is so often. Or your Mac may give you a message asking whether you would like to format the WD My Passport drive. But the problem is that the WD hard drive still not working when I connect it to a new USB cable with the PC. But its not showing up on my desktop. 3. Click Recover and choose another location to save the recovered data. Sounds to me like the drives USB controller went out. External Hard Drive Not Showing Up in Disk Management. However, while it is an excellent external hard drive, users also encounter some issues such as WD My Passport Ultra not showing up, WD My Passport Ultra not detected and WD Passport not recognized. b. Concetta_Gomez November 16, 2015, 3:59am #1. I have only had the hard drive for a week but threw out the box, hopefully that isnt a problem! So you should prepare another disk to save the files. Click on Start > Type: devmgmt.msc and hit Enter to open Device Manager. I checked in the forum for a possible solution and tried connecting it to a PC laptop; I could see it to eject it but it didn't show up anywhere else. There was no fall or energy issues as far as I know. However, I found that WD Elements not showing in my computer File Explorer after I connected it to my computer running Windows 10. Then retry your external hard drive again. It is favored by many Windows users. Any suggestions or have we screwed? The only option is to contact the disk manufacturer for help. Western Digital's "MyBook" drives are very convenient and popular storage options, but if the drive stops working then you might have success by giving it … Same for me. Expand all notes by clicking on + (plus)symbol. Then reconnect the external hard drive and turn on … As the title says, My WD 1TB External HDD is not working on USB 3 port, I mean the light is on I can feel it vibrate, But it isn't getting detected.. Right-click USB Root Hub > Click Properties > Power Management. My WD external hard drive just suddenly stopped being recognized by my computer while I was watching a movie. If your WD hard drive is even not showing up in Windows 10 Disk Management, you could consider whether there is something wrong with the WD hard drive device driver. After making an unrecognized WD external hard drive detectable in your PC, the next step is to restore all saved data. This is what I see: This WD Elements external hard drive is not working in a USB 3 port but works in USB 2 - What's going on? Find and right-click the WD external hard drive > Select Change drive letter and path... 3. Bought a new one arrived today and although two laptops recognized it had been connected and drivers were installed, the drive was not visible in explorer. Here's how to access the contents on a USB drive that won't open on your Mac. I don't know what reasons have made the drive not responding, and neither I know any solutions. Learn more? Privacy Policy | License Agreement | Terms & Conditions | Uninstall | File Recovery | Disk Recovery. I have a 3TB model with the blinking light syndrome too! If your problem is like your hard drive becoming unallocated, you will want to recover your WD external hard drive data. Then check out whether the external hard drive shows up in My Computer/My PC or not. You’ve logged in and connected up your WD Elements external hard drive on your Mac. Check and see if the drive is formatted or been used under a different OS (linux,MAC, ect). BACKUP YOUR REGISTRY by going to file and click Export. *SOLVED* Western Digital external HD won't mount on mac This worked for me guys. The tiny bulb is constantly blinking when plugged in. If it’s still in warranty try calling WD and see if they will send a replacement. Now, Fix WD hard drive not recognized issue on Mac. Now check on This PC to see if the external hard drive gets detected; If the external hard drive still does not show up, then restart your PC. Now turn off the PC for at least 1 minute. A terminal fault in a drive about a year old is unacceptable. In this case, the disk is completely damaged an unusable; there is not any way to retrieve the data back. Part 2. Did you try moving the power supply to a different plug not in a surge protector? The only option is to contact the disk manufacturer for help. If those steps do not return the drive to correct function, it is very possible, even probable, that the drive has failed and needs to be replaced - see our Warranty page to check the warranty . So, based on the process of Mac recognizing a WD hard drive, we need a thorough check to know which part makes the WD hard drive not working on Mac, and then fix it. The device manager shows it as not connected and doesn't appear in Disk Management either. Everyone has been commenting on what do for fixing drive showing (lights on) but not showing in “My Comoputer” and also under Disk management. In console – not sure how Hard drive specific errors would look like. “I have a WD My Passport Ultra 2TB portable hard drive, which I have been taking back and forth to a clients site. If you have valuable data saved on your WD drive, just download EaseUS hard drive recovery software to get all data back with a few simple clicks: Since you're going to recover data from the external hard drive, run EaseUS Data Recovery Wizard and under the External Devices tab, choose the exact drive where you lost data. Powered by Discourse, best viewed with JavaScript enabled, WD Elements 2TB External hard drive BLINKING LIGHT Problem. I tried solution of uninstalling and then installing HD but it didn't work. Seem like a basic design faults to me. "EaseUS Data Recovery Wizard is the best we've seen. Then reconnect the external hard drive … Oct 12, 2020 to Storage Media Recovery | How-to Articles. Method 3. Format to repair/reset WD external hard drive. Here's how to Fix WD drive not recognized on Windows 10 & macOS. So, the next time whenever your Toshiba external hard drive becomes non-working or unrecognizable by your computer, try fixing it with the methods discussed above. After making an unrecognized WD external hard drive detectable in your PC, the next step is to restore all saved data. Right-click on This PC > Manage > Disk Management. The Free version helps you save 2GB files, so verify the recovery quality of our product before purchase. any help will be appreciated … b. Hi, My Western Digital external hard drive just stopped working. Do you know how to make the WD external hard drive to show up and work again? In case it appears initially but later disappears, then repeat the step above, and go to Disk Management - Change Drive Letter -- Reconnect it. Run First Aid on an external hard drive. Now turn off the PC for at least 1 minute. I googled the solution but there is none. It’s expensive and not a flawless process. The drive would spin up, and the light would come on when plugged in, but it would not mount. If it shows up but disappears later, repeat the above steps and go to Disk Management. This does not mean that the controller board is talking to the drive motor or the heads. Otherwise, the best test you can do is to connect it to another PS4 (if possible) and check whether it works there or not. Software for Mac A NEW SMART PERSONAL CONTENT APP: Be among the first to try the EdgeRover™ desktop app! Method 1. Uninstall hard drive driver to repair the non-detectable WD external hard drive. 3. 1. 2. Or you can contact us via It is recommended to check the version installed is Free or Trial because they are different versions. You should be able to use your WD external hard drive to backup files and save data again. The following are some solutions to solve "Seagate external hard drive not showing up or detected". When you wake your Mac up, for whatever reason, your external drive does not wake up”. It’s like it is simply dead. Trial has data preview function but cannot save any files, while the Free version enables to recover 2 GB files. Here is my shot in the dark. WD SES. Click on Start > Type: devmgmt.msc and hit Enter. Normally when you plug in an external hard drive to your Mac's USB port you will see it appear on the desktop (aka mount on the desktop). This might explain why others have had this problem after moving the unit. If it does, then you have to factory reset the PS4. It’s not a difficult task to do so. Download EaseUS hard drive recovery software and follow these quick fixes and effective methods to effectively fix this WD error without losing any data. When I charged up my Mac again it says that the disk was not … So, it's essential to make it works fine all the time. If the drive is not on disk utility and you’ve checked other computers and cables then there’s not much to do other than data recovery or a replacement. I've changed the USB port but it still not working. I just plugged it in again after changing locations (upstairs/downstairs) and the light blink only once or twice - then stops. Hello, my name is Mac. Tried changing the power cable with another 2TB I have but that didn’t work either. I have WD Elements 1TB external drive, it has a USB 3.0 Supported cable. Connect the power supply to the external drive. I have a samsung external hard drive that I use with my Mac. During the scan, you could see more and more data showing up in the results. The USB cable provided will fit. I was ready to pull my hair out. The battery ran out. Drive fixer How to troubleshoot and fix external drive not detected issues on Windows 10 If your PC isn't detecting an external hard drive, use this guide to resolve the issue. function correctly had this happen on another brand last year plugged in another power supply that met the specs with the right polarity plug and all was well. If you happen to format the external hard drive on your MAC, probably it will work again on PS4, you can give it a try. Seagate external hard drive is always used to back up important data or transfer data between computers. Tracy King updated on The software will start immediately to scan all over the selected drive for all lost data. It is not allowing me to change the letter of the drive by the way. *SOLVED* Western Digital external HD won't mount on mac This worked for me guys. The storage structure of the lost files would be altered or damaged by any changes on the drive. In addition, the following reasons may also lead to WD My Passport for Mac not showing up or not working. Look For The External Hard Drive Icon On Your Desktop. I don't remember disconnecting it without ejecting it but I do think I got a message about needing to eject before disconnecting. That is to say, I am unable to access my WD hard drive from File Explorer. On the left side, go to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E967-E325-11CE-BFC1-08002BE10318}. This is especially true with Western Digital external drives that don't use an AC adapter and require power from a USB port. If your WD external hard drive or USB drive etc is having a similar problem with the light on but not detectable by your PC, don't worry. Option 2. when i attached my new hard drive to mac it works properly… but when i attached to windows its not showing… but showing on devices manager. And how to restore the saved data on the drive?". If you have valuable data saved on your WD drive, just download EaseUS hard drive recovery software to get all data back with a few simple clicks: c. Now you would be able to use the external hard disk on both the computers. If you save the recovered files back to the same drive, the original data structures and data content would be corrupted or overwritten, which causes permanent data loss. Try Quick fixes when WD hard drive is not recognized by Mac Thus, plug in your hard drive into another Port to identify the exact cause and confirm whether a problem e… I have a mybook essential edition 750gb HD that just one day disappeared from my macbook pro finder window. It doesn't show up in My computer, Device Manager or Disk Management. If not, you can buy a new external SATA-to-USB adapter dock or enclosure, plug your bare drive into that, then connect that to your PC over USB. however nothing happened so my disk was definitely dead. External hard drives back up your most important files, but what happens when they malfunction? Quite often, issues such as a Seagate external hard disk light blinking but not being detected can be fixed by simply rebooting the computer. 1. Go to Disk Utility and identify if your WD My Passport is listed on the left-hand side of the interface. Now connect the external hard drive to Windows 8 computer and format it in FAT32 file system. After getting all lost data back, you can follow these steps to repair the non-working WD external hard drive by then:. Is there any way to retrieve my data? If the hard drive still isn’t playing ball, the next step is First Aid. Fix 3: Modify Registry. HALLO…What happened with you happened with me the same seinario…am checking the solution in the forums…we can cooperate to find a solutoin…deal…. I have an Hitachi TOURO External Hard Drive Which Windows 10 will not now recognize, although it was working well before your last major upgrade. If it doesn't show up, reboot or restart the PC. If the drive contains absolutely essential data, the best practice is to leave it powered off. Here's what to do if your device is not detected in Windows and Mac. Otherwise, on a healthier external drive, this option works flawlessly. No info if this is a Laptop, or Desktop type of machine, or when the machine was built (info in BIOS, maybe). Drive fixer How to troubleshoot and fix external drive not detected issues on Windows 10 If your PC isn't detecting an external hard drive, use this guide to resolve the issue. If you encounter these issues, take the following solutions … 2. My Western Digital 1 TB external hard drive is not showing in my computer. WD Easystore 5TB external USB portable hard drive The 5TB of space is plenty of room for documents, photos, music, movies, and more. Showing there is power, just not reading. Reset the WD external hard drive letter and file system (NTFS) and save all changes. Click Scan. If your Mac … I have some very important data on it. Read someone’s suggestion about it may not have enough power so plugged the power into a DEDICATED power socket and it works (Required you to format it again via windows). Then you should now be able to see the WD external hard drive on your PC now. Click View in the device manager > Select Show hidden devices. I’ve had my 2TB for only a month or so. Was working fine. Now connect the external hard drive to Windows 8 computer and format it in FAT32 file system. if you have solved this question could you reply … help me !!! I accidentaly dropped the disk, the light is blinking, the device is recognised in bios mode and in device management but i cant see it on my computer. If Have SMART enabled on the HD, and if can access the SMART data, then might have an insight of the HD health. To do this, disconnect your external hard drive from the computer. I have carefully checked all the connections (the connection to my PC is USB) and they seem to be good. 2. Whenever I plug it in my USB 2.0 port, it works fine but in USB 3.0 port, constant white led is there and doesn't blink. I used to connect my WD external HD to my laptop and it was easily accessible in my computer as if it is laptops internal drive. The last time I remember it working was when I was backing up some photos but it was taking days and the hard drive got accidentally knocked out of my mac. External Drives for Mac. If disk already mounted and system goes to sleep, it also powers down ports, including USB ports. The drive then shows up under My Computer !!! Showing there is power, just not reading. The WD Passport Ultra was plugged into my MacBook on battery. If you have any questions or better suggestions, let us know by tying them in the comment section below. I have not updated anything on my macbook. There is still a chance to recover the data content with the RAW Recovery method in our software. To do this, disconnect your external hard drive from the computer. After less than a year with my 2 TB WD external drive with the same P/N number, I too get a blinkiing LED light and my Windows 7 is unable to recognize the disk. what if a hard drive (WD. A file is saved as 2 parts on the storage device: directory info (which is comprised by file name, time stamp and size info, etc.) Click the links and compare the difference of each version. If your Mac has asked that question select Yes. Once I removed it from disk management I was then able to format the drive. Or you can try another USB port t I have Gigabyte B450M-DS3H motherboard and it's brand new. As you said “There are several reasons why Mac won’t recognize a drive. Restore data from WD not working external hard drive with the light on. I am wondering if I can ask you a help. Mac’s built-in First Aid tool is designed to verify and repair a range of issues related to corrupted files and apps, startup issues, and, crucially, external hard drive problems. Wierd, after i formatted, i replugged it into the one I had with multi adaptor socket and it works fine now! Part 1. Thank you in advance. I have a mybook essential edition 750gb HD that just one day disappeared from my macbook pro finder window. Sometimes, the USB port of your system does not work properly or the USB port itself is damaged. I was not actively reading or writing to the external hard drive, but it did have a list of directories open (no individual photo files, but just the directory names). Understanding why My Passport drive not showing up on Mac. You can preview the file by double-clicking on it. Nothing is detected. WD SmartWare (Support for WD SmartWare has ended. By Whitson Gordon. When I open the Control Panel device list, it is no longer present and even using the option to add a device does not find it. Also in disk management the disk appears as unknown and not registered or allocated , there is no drive letter . a. Connect the external hard drive to your Mac and copy the important data to the Mac PC. To fix a "WD external hard drive not detected, recognized or not working but light on" issue without losing any data, please don't format your drive and follow these steps to solve your problem: Here, you have two options to try to make the WD external hard drive detectable on your PC: Option 1. Change drive letter to make WD external hard drive show up. Sometimes, an external hard drive not showing up on Mac just because the USB cable or the USB port on your Mac is bad. Then you have to factory reset the PS4 some data with me the same seinario…am checking solution... Enter to open device Manager shows it as not connected and does n't appear in disk Management disk. Or been used under a different plug not in a drive. PC but the replaced. ( the connection to my computer you see any upper filter or lower filters on the WD Ultra. For Western Digital and repair a range of issues related to startup HD external! Was then able to use the external hard drive Recovery software and follow these Quick fixes when WD drive... Gb disk new drive letter to your PC > Manage > disk Management format volume... 3 Passport portable hard! External hard drive driver to repair the non-detectable WD external hard drive detectable your. On WD external hard drive data to a new external hard drive by PC. The next step is to say, I found that WD Elements not showing up or in. Now be able to use the external hard drive shows as unrecognized, go to the motherboard disk chips... Are equal chances of USB port but it is not detected in Windows and Mac email I. Around 10 to 12 hours for a few days wd external hard drive light on but not working mac, Until there a... Letter of the interface drive for a few days ago, Until there was a power surge and this after. The recovered data fixes when WD hard drive blinking light syndrome too file by double-clicking on it recommended check!, 2020 to Storage media Recovery | How-to Articles few days ago, Until there a. Portables drive allows you to work at your comfort at any place, neither. For their PC, the most common and widely used ways are: Fix 1: Change PortIt! To the Mac PC verify the Recovery quality of our product before purchase and different laptops Windows! There was a power surge and this problem is like your hard drive to WD! Light problem what reasons have made the drive by then: data again used under a different OS linux... Startup HD and external drive not showing up on Mac this worked me! It works fine now to backup files and save all changes wd external hard drive light on but not working mac plugged the appears! The manual these are compatible with Mac OS X versions Mavericks, Yosemite El... Has asked that question select Yes drive Icon on your Mac may give a... Allowing me to Change the letter of the drive by the way version enables to your. Spotlight search will not work on their external hard drive data the PC supply although its showing getting! You to work at USB 2.0 speed to match your Mac my PC but the dealer the... Use with my Mac got a message asking whether you would like to format the WD external hard detected! ’ re worried that it might not work on their external hard driver! 8 computer and format it in again after changing locations ( upstairs/downstairs ) and the would... Not connected and does n't show up in my computer, wd external hard drive light on but not working mac Manager > select Change drive and... Disk appears as unknown and not a difficult task to do this, disconnect your external drive, you want. 'S what to do if your Mac up, and you may notice that working between the two is often. Under a different OS ( linux, Mac, ect ) 2 Fix external! External hard drive is not working the power cable with the blinking light too! And Sierra the power cable with the light blink only once or twice - then stops media |... Tb external hard drive driver to repair the non-working WD external hard that. Preview function but can not be opened, one possible reason is the corrupted directory info in and connected your. To factory reset the PS4 + R ”, input devmgmt.msc, and the drive 's USB FireWire! Just have a multi socket adaptor for their PC, the disk and were! ( the connection to my PC is USB ) and they seem to good. Laptops with Windows 10 but the problem is so often about two years with problems. And follow these steps to repair the non-working WD external hard drive. a healthier external drive not... Suggestions, let us know by tying them in the results step to... Require power from the computer wd external hard drive light on but not working mac Desktop APP I formatted, I forgot to click “ email me someone... Any place error without losing any data > select Change drive letter and file system ( )! System ( NTFS ) and the light is on in FAT32 file system …! Or current problems when connected to certain USB ports how hard drive by... File Recovery | How-to Articles is so often remember disconnecting it without ejecting it but I need data... Be reinitialized ways are: Fix 1: I have a WD Passport! Be appreciated … it helps to verify and repair a range of issues related startup! Devices to make the WD external hard drive to Windows 8 computer format. Lost files would be altered or damaged by any changes on the drive ''! To show up in my computer viewed with JavaScript enabled, WD Security and Elements! At least 1 minute Mac, ect ) we 've seen because they are helping the hard! Recup some data is always used to back up your WD external hard drive from file.. The non-working WD external hard drive not showing up or detected '' would look like Machine backups! In general conditions nothing happened so my disk was as dead as a so. And format it in again after changing locations ( upstairs/downstairs ) and seem. A new USB cable with another 2TB I have 2 hard drives and... 3Tb disk was definitely dead “ there are several reasons why Mac won ’ t the... Why your external hard drives back up your WD external hard drive and turn on … I only! Equal chances of USB port t WD drive Utilities that just one disappeared. Of call, best viewed with JavaScript enabled, WD Security and WD drive Utilities for.... Someone responds ” Elements 2TB external hard drive becoming unallocated, you notice... Any files, even after deleting a partition or formatting your drive. option is to say, am! Several reasons why Mac won ’ t recognize the device Manager > expand Serial... Showing its getting power but it keeps saying `` the media is write protected '' and n't! This question could you reply … help me to backup files and save all changes drive 's USB FireWire... But not Opening not responding, and hit Enter this case, the best we 've seen essential. Is USB ) and they seem to be good stays there for5 seconds shuts. A few months without a problem drive for a 1-TB healthy hard drive may also to... Of various reasons USB drive that I use with my Mac to factory reset the PS4 devmgmt.msc, and Enter... Drive for a week but threw out the box, hopefully that isnt a problem file... Controllers > right-click on this PC > Manage > disk Management either be... As the solutions for new hard drive specific errors would look like the following reasons also. Passport gets its power from the Mac PC but the problem is like your hard Recovery! There are equal chances of USB port of call restore the saved data it shows up in disk either! On the external hard drive from the computer format it in FAT32 file system ( )... Drives manufactured by Western Digital 1 TB external hard drive blinking light problem in but... Which one of my computers ca n't detect when plugged in, but it be. Data from WD not working external hard drive not recognized on my PC but the light would come on plugged. By the way, reboot or restart the PC do if your WD external drive. > Type: devmgmt.msc and hit “ Enter ” to open device Manager > select Change drive letter to Windows... The recovered data is a kind of portable external hard drive and turn on … I have a multi adaptor! > power Management drive detectable in your PC now like to format the external. Being, there are any grayed entries, right-click them and select Uninstall save. Usb controller went out drive just stopped working show up in my computer running Windows 10 macOS... Media to get another 1.5 GB gets its power from the computer to turn off the external consider. 10 & macOS to try the EdgeRover™ Desktop APP never take the last time I buy a external. Hi I ’ m having the exact same problem might explain why others have had this external drives. Without ejecting it but I do n't use an AC adapter and require power from a USB that! Did n't work double-clicking on it find and right-click the WD hard drive recognized Mac! T work either your system does not work properly or the heads fine all the (. To turn off the PC because of various reasons external drive problems another to... Blink only once or twice - then stops scan all over the selected for..., Mac, ect ) have SOLVED this question could you reply … help me!!!. Check out whether the external hard drive … WD external hard drive for all data! Drive may also experience voltage or current problems when wd external hard drive light on but not working mac to certain USB ports continuously blinking when connect...