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8.0

USB device not recognised message.

Asked by itspcb in Hardware Components, Computer Motherboards

Tags: USB, Motherboard

Questions on this topic have been asked before, but here is my situation and question.
I have XP professional and motherboard ASRock AliveNF4G-DVI. There are 4 usb connectors: two on the motherboard and two via a motherboard header to a panel on the front.

The machine in question runs my wife's dedicated educational software, is not connected to the internet and does not receive any attention or development for months on end, hence I cannot  be precise as to when the fault occurred. The USB system had been working on system powered devices and self powered devices.

I received the message  'USB device not recognised' after previously the USB system was working OK.
Following the advice about software issues I persued the diagnostic advice in this forum to try and fix the issue. No solution was forthcoming.

Recently this machine has become redundant and I have revisited the problem.
I  gave the machine a thorough clean, reinstalled XP and immediately tried the USB system, the fault was stilll there.
I then installed a 4+1 USB port to PCI converter and lo and behold devices are recognised as they should be. The four ports directly on the motherboard are still faulty

Have I a motherboard fault, am I wise to continue to use this machine which seems to work correctly in all other respects? Is software still a suspect?

In anticipation of your input,

Many thanks,,
Peter
Related Solutions: USB device not recognized...................USB 2.0 problem
[+][-]08/15/08 11:11 PM, ID: 22243298Accepted Solution

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About this solution

Zones: Hardware Components, Computer Motherboards
Tags: USB, Motherboard
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Solution Provided By: nobus
Participating Experts: 4
Solution Grade: A
 
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