Unplug the computer/ look fore the battery on the mputherbord / pull it out/ wait 5 miniutes / ( if you have a multimeater check tha the battery has voltage shoud be 1.5 V ) / put it back in and plug computer in and "see if we have joy"
If this works you will have to reset some things up in BIOS after so find out how to get into ACER bios.
Did you take the discrete card out of the rig when you tested the onboard?
I thought you tried with a different monitor already.........
If you're still not getting a signal to the monitor, then chances are there's something motherboard/memory related going on that's not allowing a post. If there's no speaker already hooked up, you might want to check to see if you can find the pin-outs for the motherboard front panel connections and hook up a speaker in order to be able to hear the beeps.
If your graffics card on your good computer can handel it hook up the moniter to the good computer.
You can have it furthe away by using Vidio over LAN cables and mouse and USB over LAN. If you want it in anouter spot.
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