Troubleshooting for USB pen drives under Windows XP. Drive Letter hidden. Windows can be configured to hide drive letters in the Windows Explorer. Under XP the settings can be made with. Microsoft Tweak. UI under My Computer - > Drives.

Troubleshooting for USB pen drives under Windows XP. Drive Letter hidden. Windows can be configured to hide drive letters in the Windows Explorer. Under XP the settings can be made with. Microsoft Tweak. UI under My Computer - > Drives.

Or download and execute this reg file. An update to . In the context 'System' where the Mount Manager assigns drive letters such drives are not visible offhand. Therefore they are not considered by XP. If there is a network drive on the first available local letter then XP assigns it again to a new external drive. The external drive is invisible and unaccessible then until its drive letter is changed in the Disk Management (right click My Computer - > Manage - > Disk management) or by my commandline tool Re. Mount. But for each new drive you have to change the drive letter again and it's no solution to assign a letter again to a different external drive because XP can save exactly one assignment per letter. So change the network drive's letter to a higher one to get the lower ones available for external drives.

Or let my USB Drive Letter Manager change the letters of USB drives for you. Microsoft is aware of this and calls it.

Meanwhile a hotfix is available (Windows. XP- KB2. 97. 69. 4- x. ENU. exe) and the XP Service Pack 3 fixes the problem too. What the SP3 did not fix is this scenario: Letters C: + D: used for local drives, E: for a USB drive. XP with SP3 will assign E: anyway, the USB drive is 'hidden'. Another hotfix shall fix this for XP too: http: //support.

This is fixed since Vista. But even Vista and Windows 7 assign a network letter to a new local drive if there is no other one available. In general the problem persists when an external drive is attached before the user logs on. The mapping of the network drives fails when their drive letter is in use. USBDLM fixes this when configured appropriately. Partitioning can be done in the Windows Disk Management (right click My Computer - > Manage - > Disk management) or.

This is up to the administrator because otherwise SAN (Storage Area Network) drives might be mounted accidentally. This feature is called Auto.

Mount and can be enabled by means of the Disk. Part tool: Open a commandprompt, enter diskpart, on the Disk. Part prompt enter automount to see the current state or automount enable to enable it.

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Or install my USB Drive Letter Manager which can assign a drive letter for USB and firewire harddisks without affecting other types of storage devices. Usually you have the option to split the drive into an unencrypted and an encrypted part. The unencrypted part appears on all computers but the encrypted part becomes visible and/or accessible after you entered a password when the encryption software asks for. But of course this happens only when this software is installed on the computer you attach the drive to. Here are some more information.

For the deinstallation there is. They are installed for instance by CD burning software (device class CDROM), by anti virus software (device classes DISK, CDROM and FLOPPY) or by virtualization software as VMware for making USB devices availlable in the virtual machines (device class USB). Especially after Windows updates some detail may have changed which make a filter driver fail. The references to the filter drivers are found in the Registry under. HKEY. GUID is an 'Global Unique Identifier', something like . No others are there under the GUIDs mentioned above. Found filter drives can be explored under C: \Windows\System.

A filter driver can be deactivated by renaming the Upper. Filters or Lower. Filters value if it is a single entry. If not then edit the value, the Registry Editor shows each entry per line, so a single filter driver can be easily removed. To be able to restore it copy them all to somewhere before, e. With the latter one there is no drive letter. For getting a drive letter a 3rd party software is required, as PTPdrive: http: //www.

USD). Sometimes such services and drivers cause very strange effects. In the U3 FAQ there are some hints for U3 sticks but some may be true for normal flash drives too. To discover if a problem is caused by 3rd party software first start XP in Safe Mode. If the problem is gone then, boot again normal. Go to Start - > Run, msconfig, Tab 'Services'.

Hide All Microsoft Services'. Disable them all, reboot and check if the problem is gone again.

If yes, then enable them one by one (reboot each time) until the problem is back again. The you have the culprit..

Get support for Linksys Linksys AE6000 Wireless-AC Mini USB Adapter. We go over some quick fixes to make sure your system recognizes USB devices. I have a problem with my USB ports. Say I plug in my digital camera to upload some. Here's a tip to save you hunting for the solution to fix this "Windows no disk" problem in Windows XP (UPDATE: a commenter says changing the drive letters works in. Scan and fix under Vista and Windows 7 When a FAT formatted "removable" USB drive is attached then under Vista and Win7 the "Scan and Fix" dialog is often shown. How to Create a Bootable Windows 7 or Vista USB Drive. Need to install Windows 7 on a computer with no drive? Do you want to create a backup installer in case your.

If deactivating services doesn't help, try it with drivers. Start - > Run, devmgmt. View - > Show hidden devices. Open in the device tree 'Non- Plug and Play Drivers'. Here you see lots of items, many from Microsoft and others. You can deactivate a driver by right clicking it an select 'Deactivate'. If you are not sure about a driver, just enter its name at Google and you will see..