My E-Machine with AMD Sempron and K8MC51G board went dead,dead,dead and I have been trying everything I know to either wake it up or pronounce it officially dead. I am not an expert , just a hack as the name implies but I have been learning new tricks ,a lot FROM THIS WEBSITE and had recently resurrected an AMD Athlon that had been down for a year with scrambled CMOS.
I have tried running it bare bones even down to board, cpu, monitor. I have removed and replaced battery, jumped CMOS, ( powered down of course ) even HOOKED a switch to bump the reset where it did not have one before... nothing. I substituted everything I could, power supply, memory. The only thing I could not sub. was CPU, I don't have a spare that fits.
What I would like to know is what is left I can test on the board and how can I tell if it is the board or the CPU.
When powered up the fans run, no picture, no beeps. It has an extra fan controlled by the MOTHERBOARD that would only run a second when you hit the power, now it keeps running.
It whacked out in the middle of a video game that had been in the computer for quite some time and was not ONLINE.
This one looks pretty bad, I'm keeping the shovel handy ThanksE-machines have been well known to have power supplies get blown and have motherboards go bad, especially if you have replaced a new motherboard without replacing the power supply.

What kind of PSU did you have installed beforehand? What kind of PSU do you have in there now?

Gizmo73I'd say its either the cpu or the motherboard.
Did you ever remove the heatsink from the cpu before the everything died? If you removed it without putting cpu grease on it before putting it back on, it could have overheated and fried the cpu when you were playing the game.
I forgot what PSU was in it but I'm running it in this one. It's at least 350 WATTS. It's not that.
I never messed with the heat sink at all, not yet anyway. I would be real LEERY about making sure that was right so nothing overheats.
I know it's got to be either the motherboard or CPU ( obviously ) but
how can I tell which one without any substitutes? Or do they just kill each
other when they get that bad. I want to find out what more I can do to test this stuff ( without a lot of fancy equipment ) I know a little , I want to learn more. What else can I do before the dirt nap?
For what its worth... my wife was using it one day and it went into a screen that looked like a TV with bad vertical hold. She turned it off and re-started and it came back. Some time later ( weeks ) my son was looking at a video game and said "OH OH " I looked and saw the same kind of screen. This time when I shut it down , it never did anything again.
Maybe I can make a lamp out of it..........Swap in a known working PSU of 350 Watts or greater...how old is the pc? Computer is only a couple years old, or less, I bought it off a neighbor that needed money about a year ago and it wasn't very old then.
I'm trying to make it work cause now I don't have much money to buy any new parts. Probably just whipping a dead horse.
Would it still send out beep codes if the CPU was burned up ? It doesn't beep at all.Quote from: patio on June 03, 2007, 09:44:05 AM

Swap in a known working PSU of 350 Watts or greater...