I own an e-Machine T6532. My CPU is running when i boot it up but themonitor always display "No Signal Detected". Sometimes when i get luckyI got it to work, but the graphic sucks. And when I'm really lucky, Igot it to work perfectly like when i just purchased it. I think thatit's my in board Graphic card since i do not own an external graphiccard. What should I do? Do you think it would fix it if i buy a newexternal graphic card and install it?
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Can say much because you haven't included enough details; however,first things first, check your power supply. The UPS sometimes causes this kind of problem. A simple diagnosis would be to connect the CPU and monitor directly to the mains supply - make sure you use a surge protected power board for a brief check.
If your CPU boots normal, you need to get a new UPS.
Check ALL monitor cables, reseat connections. Have you done any hardware or software updates? Graphics Updates? Do you get anything at boot? Just no signal? It sound like a hardware issue, Graphics. Support for your machine can be found here: http://support.gateway.com/us/en/emac/product/default.aspx?modelId=2064 You could buy a PCI e x16 Graphic Card . Better ,faster Graphics. First, check VGA connections, reseat, check for bent pins. Try another cable and monitor, to verify.
you should not leave PC on for more than a couple days.
It may have gone into Hibernate and if there is a bad sector, (i.e. read errors,) when that is loaded into RAM, then that can cause many symptoms. Try to boot into Safe Mode, then if that works, Restart and use Normal mode.
please check if the display cable is properly placed, the reason it says no signal because there is no signal been detected to from your cpu, if the cable is properly placed pleased try to clean you video card.
sometimes the fault is not always from the graphic card ... it could come from the processor or the memory .... please check them too and also check the signal cable especially the pins on the signal plug
Bad capacitor(s) on the motherboard can cause this problem, corrupted BIOS maybe... try flashing BIOS.
Probably the CPU if your not getting any error code beeps on startup.. NO Processor for the BIOS instructions thus no Beeps !