black screen on immediate startup
Posted 18 July 2005 - 09:24 PM
Posted 18 July 2005 - 09:30 PM
Do you here a click? (from monitor)
When you power on the PC, what sounds do you hear? Fan? Beep? ANy lights?
On the back of the PC, are there any lights? By the network port? any diagnostic lights?
There are lots of possibilities, from bad power supply to failed motherboard....need more info (any lightning storms lately--spent the last two days in an office that got hit by lightning, taking computer apart)
Posted 18 July 2005 - 10:04 PM
Posted 19 July 2005 - 08:18 AM
Posted 19 July 2005 - 08:57 AM
Your PC can seem to be running when one of these rails fails....it sounds like the 3.3v rail is intermittent, which explains why the lights and fans come on, but the screen only sometimes (the videocard is powered by the 3.3 rail, as is memory and the CPU).
Do you have a second PC -- well obviously you do. Removing a power supply and installing it is EASY.
To test, you do not even need to install it in the case....just plug in the one or two connectors to the motherboard (don't worry about the drives, you don't need them for the test) and power up...if your screen comes up and it says, cannot find OS, you know it was the PS
Posted 19 July 2005 - 09:21 AM
Posted 19 July 2005 - 01:57 PM
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