This is usually caused by a program that is trying to read from the drive.
When it does not complete the action successfully, the cause is usually a program that is trying to read from the drive.
Of course, it is always a safe removal to shut down/reboot the computer and turn off/disconnect the drive while the computer's power is down, but that is not always a convenient solution.
Step 1: Try the drive on another computer so as to attempt to isolate the problem. If the problem does not repeat itself on the second computer, then it might well be system-related. If the problem follows the drive, then continue troubleshooting.
Step 2: A process that can hold up the drive is "explorer.exe". This is because of the Windows Recycle Bin.
The Recycle Bin may need to be disabled.
Right-click on the Recycle Bin on the desktop.
1.Select Properties.
2.Select the Global tab.
3.Select "Configure drives independently" (instead of "Use one setting for all drives" ).
4.Select the USB drive letter tab on the top.
5.Put a check in the "Do not move files to the Recycle Bin" checkbox.
6.Click OK.
Warning ! Disabling the Recycle Bin will cause deleted files to be permanently deleted immediately.
Note : This option may not be available in Windows Vista.
Step 3: If you have Norton System Works installed, the Safely Remove Hardware icon in the System Tray will not work with the external drive because of the Norton Protected Recycle Bin. If your Windows Recycle bin on the desktop has an "N" with a shield then Norton is running a special software on your system.
This is a known issue. Please see Symantec's article on "How to Remove the Norton Protected Recycle Bin".
Step 4: Other software like antivirus programs, or any programs or image files that remain open on the drive (even Windows Explorer if its window is open and displaying the contents of the external drive) can prevent safe removal. Close all programs and any open files or windows displaying the drive contents and attempt to remove the drive again.
Step 5: In Windows Vista/XP/2000, please follow these directions:
1. Right-click on My Computer (Computer in Vista)
2. Select Manage.
3. Select Device Manager.
4. Open Disk Drives.
5. Double-click on the hard drive's model number.
6. Go to the Policies tab.
7. Check whether the drive is set to Optimise for Quick Removal.
If so, the hard drive does not need to be Safely Removed manually from the system. Just turn off the hard drive or disconnect it at your convenience whenever the hard drive is not busy transferring data. This way there is only a slim chance that the partition will be corrupted by a removal. This carries no risk for the drive hardware, but it does put your data at a small risk.
Note :Please remember that you would be very unwise to put yourself in a situation where that is a concern for you. If this drive were to experience a sudden mechanical or electronic failure or if it should fall, or if the drive's partition should become corrupted, your data could be lost and data recovery is very expensive. Remember that this is a backup drive, and a backup is defined as "a second copy of data in a second storage media". Whether on a second external hard drive, a CD or DVD, an internal hard drive, a network hard drive, or tape, make a 2nd copy of your data today and keep it. If not, please continue.
Step 6: If the Windows Media Player Library is configured to monitor a folder on the external drive for new content it will not allow a Safe Remove
Note : Instructions may vary depending on the version of Media Player.
1. Open Media Player.
2. From the top menu, choose Tools, then Options.
3. Choose the Library tab.
4. Click the Monitor Folders button.
5. View the Advanced Options.
6. Remove items that point to the drive letter used by the external drive (ie, E: or F:).
Note :Other multimedia applications may have similar issues if they automatically add new music to their library by monitoring file locations, specifically on the external drive.
Step 7: If Windows Media Center is set to record shows, podcasts, etc. to the external drive, Windows may not allow the removal of the external drive.
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My external drive is not detected in Windows XP/2000 (and displays a yellow ! icon next to it in the Device Manager)
If your external drive is not detected in Windows XP/2000, it is always a good idea to check the Disk Management and Device Manager.
1. Right-click on My Computer.
2. Click on Manage.
3. Choose Disk Management from the left column.
4. Try to find the external drive in the lower window. It should be "Disk 1" or some other number (but not Disk 0).
5. Then choose Device Manager from the left column.
6. Choose Disk drives.
7. If the drive is not seen there, check under Universal Serial Bus Controllers (if the drive is connected via USB). The drive should appear as a USB Mass Storage Device.
8. If a yellow ! icon is displayed next to it, double-click on the drive.
9. A Properties window will appear and will probably say "This device is not working properly" and will give either (Code 28) or (Code 10).
10. If Code 10 appears, the drive has most probably failed. Verify by trying the drive with another USB cable or port, or on another computer.
11. If Code 28 appears, you will need to test the drive on another computer. If the drive works fine on another computer, there are a few steps to follow:
a. Open a Windows Explorer window (right-click on Start > Explore).
b. In the address bar, type c:\windows\inf and press Enter.
c. Right-click on the file INFCACHE.1.
d. Select Properties.
e. Click on the "Security" tab.
f. Click "Edit" to edit permissions.
g. Click "Add" to add Group or User name.
h. Delete the file.
i. Reboot and the file should be rebuilt, correcting the problem.
j. If that fails, you will need to try to reload the USB drivers for the operating system by inserting your Windows install CD, rebooting, and attempting a Repair/Restore.
Warning! This can be dangerous to your data and you should disconnect your external drive before attempting this.
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STOP errors in Windows
Stop errors are difficult to diagnose since they are so diverse.A good place to start troubleshooting is the Microsoft Support knowledgebase.Experiment with the problem by
1. shutting down the computer, removing the external drive, and working for a while with the drive disconnected .
2. checking the Windows Event Viewer for entries around the time the STOP error occurred .
3. connecting the drive again once the computer is on and has been functioning properly for a while .
4. connecting the drive to a different Windows computer to see if the problem follows the external drive.
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Drive clicks when I plug it in and does not show up in My Computer
This issue occurs if the Seagate Portable, Seagate FreeAgent Go, or Maxtor OneTouch Mini are plugged into a USB port that does not provide enough power (usually a USB 1.x port) or into an unpowered USB hub. These drives come with a special USB cable (see the figure below) that allows the drive to use additional power from another USB connector.
If the drive clicks and is not detected, attempt the following:
1. Plug in the Power + Data connector labeled #1 on the figures below.
2. Plug in the Power only connector labeled #2 on the figures below.
3. Connect the USB cable into the back of the drive (item #3 on the figures below).
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Delayed Write Failure
There are many causes for delayed write failures, most of which are specific to an individual computer
The majority of the time, this error occurs with external drives connected via USB or 1394/Firewire.
Step 1: Taking a drive to a different computer will often fix the error. If the error no longer appears on the second computer, then the problem is system-related on the first computer; it is not drive-related. If the problem does not recur, there could be a problem with the USB port on your computer. Be certain to try connecting your hard drive directly to the USB port on the rear of your computer If the problem follows the drive, please replace the USB cable and try again.
Step 2: If your external drive is connected via a USB hub (which connects to one USB port on your computer but contains multiple USB ports, to allow connection of more devices), try connecting your hard drive directly to the USB port on the rear of your computer.
Connecting the drive to a powered USB hub is another possible solution.
Step 3: Remove all other USB or Firewire devices from the computer (leaving only the external drive connected) to see whether the error appears again.
Step 4: If two USB or 1394/Firewire devices are connected to ports on the same USB or 1394/Firewire PCI card, these errors can occur. Try connecting only one external drive to the computer. If the problem stops, a PCI USB card may help if you need to use multiple external drives simultaneously on the same computer.
Step 5: Please run a diagnostic test on the drive.
Step 6: Follow this procedure:
1.Right-click on My Computer (in XP/2000) (Computer in Vista).
2.Click on Manage.
3.Choose Device Manager.
4.Choose Disk drives.
5.Right-click on the hard drive.
6.Choose Properties.
7.Choose the Policies tab.
8.Set the drive to "Optimize for Quick Removal".
If this does not work, or if this value was already set, continue on.
Step 7: Confirm you are on the current Service Pack level for Windows.
For Windows XP
For Windows 2000
Step 8: If you have Windows XP Service Pack 2 for Windows XP, review Microsoft KB article 885464.
Step 9: Always use the safely remove hardware function of Windows when disconnecting the external drive. If the drive was disconnected while a file was being written to the drive, this error could occur.
Step 10: Confirm that some of the communication between the computer and the external drive is not blocked by a firewall. Windows XP Service Pack 2 has an added feature called a firewall which helps protect your system from being accessed from the outside. This firewall feature is enabled by default when you install Service Pack 2 and it can block transfers to/from the external drive. This normally happens on the 1394/Firewire port, but has also been seen on the USB port.
Step 11 : Also do a power cycle for the computer .
1. Shutdown the computer.
2. Unplug the power supply from the computer .
3. Unplug the drive from the computer .
4. Keep the power button of the computer pressed for 20 seconds without the power supply .
5. Restart the computer without any drives connected .
6. Reconnect the drive .(Most of the cases this procedure resolves the issue, also try with different USB cable, still remains oops bad drive) .
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