紧急求助关于电脑USB不工作

[mimosa]

突然全部的usb都不能用了,插入U盘不亮灯,插入摄像头亮灯但不工作,主板是i845G的, 重装了主板驱动,usb驱动, winxp,都没有效果, 请求大家帮帮忙! 先谢谢大家了

 

[dragonLinux]

search pci software for windows and use it to display what kinds of pci device you have.
for example under linux there is a utility: lspci, if it can't list universal serial bus that means hardware problem.