Hi eclipse, We need a little more info such as what OS you are running and some specifics on the error messages. coastie65

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eMachines T5212.... Intel Pentium D 925 3.0 Ghz..... evga 8600 GT 256 Mb PCI-E video card..... Realtec HD audio......2 Gb 533 Mhz DDR2 memory..... Lite on CD RW; DVD +R / RW DL optical drive...... Windows XP MCE 2005....... Antec Basiq 500w PSU

Hi eclipse, The error messages 00161 & 00163 are a likely sign that the Bios battery is gone and needs replacing. As for the 08611 error, that is a track point failure and likely means there is wire from the keyboard to the computer loose and needs to reconnected. coastie65

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eMachines T5212.... Intel Pentium D 925 3.0 Ghz..... evga 8600 GT 256 Mb PCI-E video card..... Realtec HD audio......2 Gb 533 Mhz DDR2 memory..... Lite on CD RW; DVD +R / RW DL optical drive...... Windows XP MCE 2005....... Antec Basiq 500w PSU

I don't know. Take a look at this: http://forums.windrivers.com/showthread.php?t=23130 this might help. As for using a usb mouse or wireless mouse, you would have first disable the onboard mouse. I suspect that ribbon cable may be for your onboard mouse. coastie65

Added content Coastie65

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eMachines T5212.... Intel Pentium D 925 3.0 Ghz..... evga 8600 GT 256 Mb PCI-E video card..... Realtec HD audio......2 Gb 533 Mhz DDR2 memory..... Lite on CD RW; DVD +R / RW DL optical drive...... Windows XP MCE 2005....... Antec Basiq 500w PSU