No Screen, no BIOS start up...times two...

[y2kgus]

Last used computer a week ago no problems, now I try to start &
all of a sudden I can't see any image on the screen and the power
seems to be going to the fans etc.

I confirmed by swaping out, (One by One) from an identical twin
computer that works, the button battery, power supply, video card,
CPU assembly and the hard drive. Each time I confirmed the good
computer worked OK... Still the same result in the bad one...

---Next comes the BIG regret ---, I pulled the "Award Sync MOS" 32 pin
chip from the ASUS P2-99 Taiwanese M/B from the good computer &
installed this chip in the bad computer, still no go. So naturally I
reinstall that chip back to the good one and now it's a BAD computer
with the same no screen, pwr on symptom!!! Opps, what did I do ??? I
was careful with static, direction of chip and the pins are all
straight. Did I clear a BIOS memory or something? Help !!!
Thanks, Gus

 

[BruceM]

Yeah, I'd suspect the power supply in the crook one has now cooked the good
CPU.
It has happened to me. Whatever you do, don't try that power supply in a
good comp!!
Lesson learned!!

 

[y2kgus]

No it can't be that, because I had a pwr supply from another identica
clone, not the good computer I spoke of. I have parts from another
computers that flash up the NOT ACPI compliant during boot up askin
for a newer BIOS..

The good computer I spoke of only had the button battery, video car
& the Award SyncMOS chip pulled...Gu