External HD Display

> Kall(UK) wrote:
>> HELP ! Can somebody plz help. I have XP home running on my pc, and
>> decided to connect a external HD via USB to pc. It recognises the HD, and
>> installs it, but when i try to look it up there is no display in windows
>> explorer. I have connected the same HD to my laptop and no problem, also
>> i have connected other HD to this pc again no problem. Would be grateful
>> if someone knows how to fix this problem. Thanks!


"Elmo" wrote in message

> Troubleshooting for USB drives
> http://www.uwe-sieber.de/usbtrouble_e.html


Kall:
In addition to Elmo's suggestion referring you to Uwe Sieber's site which is
a good source for info on USB troubleshooting, take a look at the following
tips we put together...

1. Access Disk Management and see if the USB device is listed. If so, and
there's no drive letter assigned, see if you can assign a drive letter to
the device.
2. If the USB device is listed in Disk Management with an assigned drive
letter, right-click on its listing and select Explore from the submenu.
Hopefully, Windows Explorer will open and the device will be listed.
3. Connect the USB device *directly* to a USB port on the computer, not via
a USB hub. Try different USB ports should your computer have multiple ports.
4. Avoid using a USB extension cable.
5. Try connecting a USB device (that does not contain an auxiliary power
supply) to a USB port both before and after the boot operation.
6. Where a USB (or Firewire) external HDD is involved, access Device
Manager, highlight the Disk drives listing and click on the Action menu item
and then the "Scan for hardware changes" sub-menu item. Do the same in Disk
Management > Action > Rescan disks.
7. Try alternate powering on/off methods. If the USB device contains its own
power supply, try booting up with its power on, then try powering on only
*after* the system has booted to a Desktop.
8. Try a different USB cable.
9. In the USB controllers section of Device Manager, uninstall all the USB
controllers listed and reboot.
10. If the device in question is a HDD which you installed in a USB
enclosure, jumper the USB external HDD as Master (or Single if the HDD is a
Western Digital disk). A number of users have reported that jumper
configuration corrected their non-recognition problem. In my own experience
it didn't seem to matter how a USB external HDD was jumpered. But it may be
worth a try.
11. If the device in question is a USB external HDD, first check out the HDD
with the hard drive manufacturer's diagnostic utility. If it checks out OK,
and you can remove the HDD from its enclosure (without voiding any
applicable warranty), do so and install the HDD as an internal HDD to
determine if there are problems with the drive.
12. If the USB device is connected to a USB 2.0 PCI card, try changing the
PCI slot to which it's currently connected to another one.
13. Access the website of the manufacturer of the USB device to determine if
there's any firmware update or info re the problem you're experiencing or
there's any possibility that the USB enclosure itself might be defective.
14. Determine from the manufacturer of your motherboard whether there's a
BIOS upgrade affecting USB device recognition.
Anna
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