a friend has a computer and the modem is not working device manager shows a yellow circle and a black mark in the middle what does that mean and...
a friend disconnected the cables to the hard drive cd rom and floppy drive and put a cd burner in my computer i know nothing as to how to hook up...
a friend has a computer that worked and he changed to a different monitor and it did not start up correctly so he switched back to the original...
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