DELL latitude D800 USB not working

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Rennes

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Joined
Oct 8, 2008
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3
Hi,
If i'm writting this, it means i'm completely stump. I've search about everywhere for this and I can't find what's wrong.

I have a DELL latitude D800 running windows XP pro SP2 (fresh install) and anything I plug in the USB ports, it's not recognise by the system.

What I tried:
1. plugging in different USB products in different ports
2. re-installed chipet drivers
3. verify all BIOS settings are correct, reset all to default since I couldn't find any setting to "enable" usb on this board
4. Open laptop and see if there is any jumpers on the motherboard that has some "usb" disabling capabilities.
5. Verify inside windows if the USB hub is installed in the device manage and it is.

please help :confused:

-Marc-A
 
Joined
Aug 17, 2005
Messages
1,157
Have you tried something that was self-powered? (an external hard drive with its own power supply or a printer)
If those don't work; either one of the USB ports has bent pins or the chip on the systemboard is toast.
If they do; but, devices that use power from the USB port don't work, the chip that applies 5 volts to the USB ports is bad.
The second you can "workaround" by using a powered USB hub or maybe find someone who can replace the part (its only 8 pins). The first would need the systemboard replaced or you could buy a PCCard, USB adapter.
 

Rennes

Thread Starter
Joined
Oct 8, 2008
Messages
3
Hi Davis,
I plugged in a scanner in 3 different USB ports and ... nothing. It's knowned good scanner so I know it's not the scanner.

As for the USB hub, it has to be plugged in a working USB port right? So that's probably out of the question.

So I guess the chip on the motherboard has gone bad ... awwww

Thanks for helping,

Rennes
 
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