Cannot detect a USB flash drive or hard drive..
by
peconet tietokoneet
·
about 12 years, 10 months ago
In reply to How do I Read External HDD?
This might be of help to you, download it and then run it, hopefully it should cure your problem:
http://support.microsoft.com/gp/cd_dvd_drive_problems
More info here:
http://support.microsoft.com/kb/925196
The same works for Vista as it does for XP.
Fix it yourself here (though make sure you do it slowly, do not rush it):
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 http://support.microsoft.com/kb/322756
How to back up and restore the registry in Windows
To fix this problem, delete the UpperFilters registry value and the LowerFilters registry value. These values may cause access problems. To do this, follow these steps:
Click Start, click Run, type regedit, and then click OK.
Locate and then click the UpperFilters registry value. This value is located in the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E967-E325-11CE-BFC1-08002BE10318}
On the Edit menu, click Delete, and then click OK.
Note If you receive an error when you try to delete the registry subkey, you may not have appropriate permissions to edit the subkey. For more information about how to set or change registry editing permissions, click the following article number to view the article in the Microsoft Knowledge Base:
310426 http://support.microsoft.com/kb/310426
How to set or change registry editing permissions in Windows XP or in Windows Server 2003
Locate and then click the LowerFilters registry value. This value is located in the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E967-E325-11CE-BFC1-08002BE10318}
On the Edit menu, click Delete, and then click OK.
Note If you receive an error when you try to delete the registry subkey, you may not have appropriate permissions to edit the subkey. For more information about how to set or change registry editing permissions, click the following article number to view the article in the Microsoft Knowledge Base:
310426 http://support.microsoft.com/kb/310426
How to set or change registry editing permissions in Windows XP or in Windows Server 2003
Exit Registry Editor.
Restart the computer.
Note If you remove both registry values, and then you lose functionality in a particular program such as CD recording software, you may have to reinstall that software.
