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External Hard Drive Not Showing Up In My Computer

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If you do not hear or feel the hard drive spinning, the drive did not start.     If you cannot determine whether the drive is spinning: Boot the computer and listen carefully.Shut Drive Tools If it appears that there is a problem with the drive itself, you can try to download the diagnostic tools from the drive manufacturer. X Software for: Home Product Recovery Software for Windows Recovery Software for Mac Buy Download Support About Home > Hard drive recovery > Files not showing in external hard drive Here's a screenshot; http://s183.photobucket.com/albums/x273/spursfan2110/?action=view¤t=Capture.pngIn the picture, in Explorer there are obviously 5 drives. http://webstrategy360.com/hard-drive/external-hard-drive-shows-up-on-one-computer-but-not-another-mac.html

Top Recommendation At this time, you are suggested to adopt MiniTool Power Data Recovery Free Edition to finish data recovery by using methods introduced in If This Can't Help You with I also tried to change the drive path through the 7 machine to one not being utilized on the 8.1 but that didn't work, you have to change the drive path Today, i need a PC/MS Windows when my macbook failed to read my usb drive. Step 2: check whether the data value of "CheckedValue" is "1". https://www.raymond.cc/blog/fix-autoplay-dialog-box-not-appearing-when-plug-in-external-device/

External Hard Drive Not Showing Up In My Computer

Some motherboard manufactures disable unused ports in the BIOS by default. Well, is there a much safer way? Tip: If you are unclear of internal structure of computer, please do not operate at random, because even a slight mistake may cause more serious damage. In tools tab click "Check now" and check "Automatically fix file system errors".

Any ideas? Disk Utility stalls with the revolving wheel looking for anything.Losing my faith in Apple Oct 6, 2015 7:24 AM Helpful (2) Reply options Link to this post by clay1001, clay1001 Nov Common problems related to partition recovery and our solutions: Microsoft Firmly Pushes Windows 10 - the 2nd Most Commonly Used Desktop Platform Seagate Launches World's Thinnest 2TB Mobile Hard Drive! External Hard Drive Not Detected I'm on Windows Vista and could see my portable hard disk in DM that just reflect these text '465.6GB'.

Make sure the hard drive has the correct external power adapter and that the light on the front of the drive is turning on and is not orange or red. This is usually a problem with drivers or hardware. But anyway, here is what I found;I Googled, Windows 7, "Only disks that can be defragmented are shown"Only 3 hits, and only one of those an English language link, the other Serial ATA cables, in particular, can sometimes fall out of their connection.

If you touch the side of the drive you should feel a slight vibration. Convert To Dynamic Disk How exactly did they disappear? If the drive is showing, but you're getting messages about the drive needing to be formatted, etc., then read the next section below. I had a Lexar 128GB USB3.0 drive with my Itunes library on it, formatted FAT32.

External Hard Drive Not Showing Up In Disk Management

Do you think that solution would still work though?MarkFlax - Mine is definitely not a Solid State Drive, although what it said about Windows 7 auto-defragging was interesting...may look into that.bob The following mentioned examples are just a drop in the bucket. "I have a problem with my external hard disk. External Hard Drive Not Showing Up In My Computer Possible cause 3 – "CheckedValue" is suffering from virus infection. External Hard Drive Not Showing Windows 10 The same dialogue box pops up every time.

Thank you for helping us maintain CNET's great community. http://webstrategy360.com/hard-drive/hard-drive-external.html Privacy Policy Terms of Use Sales and Refunds Legal Site Map Online Tech Tips Search Menu Windows Windows 10 Windows 8 Windows 7 Windows Vista Windows XP Tips Computer Tips Google I also remove light-grey devices under "WD Drive Management Devices"------------------------------------------------------jack4rall - Apr 25, 2012 02:27PMHello, Try this 1 Click on Start --> In search box, type cmd. Good luck! External Hard Drive Not Working

We should repeatedly type "dir /ah" after un-hiding some files/folders so we know if the files/folders are now appearing or hiding. 6. Now, let's start with rescuing files missing from external hard drive with MiniTool Power Data Recovery – a piece of wonderful but free file recovery software. If not, go to Disk Utility and check to see if it appears under the heading External. navigate here Please enable JavaScript to view the comments powered by Disqus.

Finally, click "Apply" button to make all changes performed. Data Error Cyclic Redundancy Check Preview post Submit post Cancel post You are reporting the following post: C drive does not appear in Disk Defragmenter? Long discussion but why not tell a little more?While reading http://social.technet.microsoft.com/Forums/en-US/w7itprogeneral/thread/7fe04a5c-2ba8-4490-9f80-ec15a2e2483c is interesting it appears to happen to those that upgrade.

Nevertheless, if all tests pass, we guess the Missing Operating System error might be caused by software failures, and users can try taking the 3rd solution.

If you see this message, it just means that Windows does not recognize the file system on the drive. zeishueOct 28, 2014, 7:29 PM HI, same problem here and think that allocating a disk letter should be the solution but keep getting a dialogue box pop-up that says 'The operation In this case, please stop writing any new data into the external hard drive and then follow the operations we'll mention in the next part to recover data with MiniTool Power Chkdsk /r Luckily I had a recent back up of documents on a 2TB WD My Passport Ultra, plugged into both machines and it does not appear in finder.

Windows 7 forum About This ForumCNET's Forum on Windows 7 is the best source for finding help or troubleshooting advice from a community of experts. Therefore, in this post we have summarized almost all feasible solutions for users who have got headache on this issue to refer to. Here are some images of Serial ATA cables.  Click to expand.  The BIOS will not detect a hard disk if the data cable is damaged or the connection is http://webstrategy360.com/hard-drive/external-hard-drive-lag.html As a result, all files including Windows OS saved on the disk will be inaccessible.

Proffitt Forum moderator / August 3, 2010 9:07 AM PDT In reply to: Makes sense Start at "Now start MMC" and see if you can get it done.This sounds like an They still work on my 7 machine just fine. Be sure to check your SATA cables are tightly connected to the SATA port connection.The easiest way to test a cable is to replace it with another cable.  If the problem You can perform these operations on another computer provided that you have another normal computer available and know how to connect the failed drive to the bootable computer as a slave

Thanks again Flag Permalink This was helpful (0) Collapse - Why not skip the registry part? nothing seems to do anything. If the checkbox is not optional, we can run "cmd", and input "attrib -H -S X:\folder name /s /d" (X: means the specific drive letter of the external hard drive and February 1st, 2016 by Aseem Kishore File in: Computer Tips There are 0 comments, care to add yours?

After allowing/encouraging this to happen on start-up, C reappeared in the Disk Defrag selection menu. Before you start: Download MiniTool Partition Wizard Bootable CD, which is an ISO file, and then burn it to CD, DVD, or USB flash drive. Ask ! serious Bug ...

Also it shows 900 GB used space and this means that my old files are still there. Test Hard Disk to See Whether It Failed or Not Tip: If you are afraid of losing important files during hard drive test, it is possible to transfer these files out