I recently bought a second hand PC to learn UNIX on and as things go, I already have a big problem. For some reason when I turn on the PC everything seems fine except the little green light on my monitor just flashes as the screen is blank. This means that I can't even see the BIOS which doesn't help. So, I swapped the hard drive in problem PC for the one in my other and turned on the other PC, which displayed exactly what I expected from the problem one: "No Operating System". I was thinking of installing the OS onto the problem PC's HDD but then I thought this might be a waste of time if someone knows or can suggest why the PC might not be working.
Thanks for the help guys but they weren't the cause of the problem. After hours of trying loads of things I realised that the problem was a dodgy pin that was being used the light the LED on the front of the case. I didn't think that something as little as that could cause so much of a disturbance. Even the PSU stopped working for a while because of it. But now everything is fine, thanks for the help again!
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