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All external drives will show up in your Windows Explorer.
Hit the "Windows + E" key to open explorer. Click on your computer, and on the right side, you should see all your drives. Just browse to the file and delete it, like you would any other file on a local drive. However, if you do not have administrative rights to the file or folder or drive, you may not be able to remove the files.
First and the foremost thing is that when u backup any info to an external hard drive try only back up the data that u have saved. Coz application cannot be saved if done they cannot be retrived. Now if those files are asking for permissions then right click on the file - properties - then on the securities - click on add - then Under Enter the object names to seclect type in Everyone then click on Check Name now Everyone will come in Underlined - click on OK - U will come back to properties tab then on top click Everyone - And under Permissions for everyone Under Full Control Check ALLOW - Then OK
this should fix the issue.
If this does not helps, since u have transfered all the data back to the PC why not format the External Hard Drive. Connect the Drive right click on it the see it teh format option is there or not if present then foprmat it.
I hope that the information below may be of use to you
I devised these simple steps that tend to remedy quite a few issues with most USB portable / external hard drives and devices (though not always)
A few things to check but assumes USB and Windows for other interfaces / operating systems (mac/ Linux) similar steps may be adapted to suit.
1. Ensure it is connected directly to the computer to a USB 2.0 port not a USB 1.0 port as this can have effects on performance and reliability
2. Use only the cables that came with it NOT one that fits that may have been lying around or is longer. Not all USB cables are equal even though they should be)
3. Do not connect through an external USB HUB unless that hub is USB 2.0 AND has its own power supply.
4. Use ONLY the power supply that came with it if it has an external power supply Don’t use any other unless you know it has both the same voltage and current rating e.g. 12V 500mA anything rated below that would not work properly.
5. Always use the same port for connecting your devices. Some devices do not like being switched about. If switched they may want to install software / drivers again. This can be especially true if you move a HUB to another port
If you checked and fixed anything there and still have issues then check your hardware from CONTROL PANEL / SYSTEM / HARDWARE. Any exclamation marks by hardware need fixing before you investigate any further
USB flash drives can fail for no apparent reason. Sandisk Cruzers are especially bad for this.
USB hard drives should be treated with extreme care. This is a real hard drive ! and knocks and bumps can quite literally kill them.
Sometimes it is possible to remove the drive from the case and install it direct into a computer to double check that the drive is OK
This depends on the interface eg SATA or IDE
If the drive is clicking / pinging then this is the worst noise you could hear from a hard drive as it is usually the "Click of death"
Have you tried the windows troubleshooter on the drive yet? (from properties select the hardware tab and the troubleshooter is there). if no luck, but the troubleshooter gives you some info, please let us know.
Also see if windows will let you defragment the drive.
Run a virus check on the drive if you haven't recently and it lets you.
If you have access to another computer, check the drive on that to see if you get anything different. (the OS version of the other machine shouldn't matter)
If you open the unit up and remove the actual hard drive, then install it as an internal drive on a PC, you will bypass any possibility of the external drive extra bits being the problem.
Run a disk diagnostics utility on the drive, if you need one, try (there are many more also);
or use the built in windows one "chkdsk" which you can find in the folder C:\WINDOWS\system32. Just double click on the chkdsk.exe icon.
If none of this gets you anywhere, chances are the drive has developed a fault in the location where the File allocation table is stored (this is usually the part most accessed).
Formatting the drive again will probably solve this by saving the FAT elsewhere, but you would lose your data. For valuable data, there are data recovery companies that usually charge a fortune, but ask if you need this and we can try and source one near you for a quote.
Ask again if you need more help or have more info from trying stuff out
Hope this helps :)
Drives do fail Nick.
Is it powering up [power supply problem?]
Plug it in and go to Start/Control Panel/Admin tools/computer management/storage/ removable storage and disk management. See if the disc is recognised there.
If it is not, and if the disk is spinning
Try putting it into the deep freeze overnight.
Plugging in next morning and if it fires up get as much off as possible before it goes down again.