Does the keyboard work in the BIOS. If NOT check BIOS setting, enable USB
Is there a PS2 connection available if so try that. If that works it is likely that it is the USB. unplug any other USB devices.
and check again, Check Start, programs, accessories, system tools, system information. check all hardware for problems conflicts etc and check USB. See this
http://support.microsoft.com/kb/308549
Also check usb root hub power management. Se this guide to USB problems
http://www.usbman.co...E USB Guide.htm
Run chkdsk - My Computer right click c drive, properties, tools, error checking, check now, click to check automatically fix file system errors, click start, agre to run on restart and do so. DO NOT INTERRUPT
Edited by Macboatmaster, 07 October 2010 - 09:18 AM.