So most of you might know the common problem that is the no signal sign on the monitor. I just got this pc from my cousin and it was in the basement for around 8 months. It's an ACER Aspire AM5100 I think. No fancy graphics card I truly don't even know what gfx card I have. BUT moving on. I have taken out the CMos battery for a while then put it back in. I have also changed the CMos romper and cleaned out the ram thingies. The long chip things. (Heh) and nothing. I have cleaned out everything from top to bottom and got rid of most of the dust but yet again, nothing. ANY HELP!?