I have an ASUS desktop with 350W PSU, on board graphics (standard general bulk build) running vista.
The owner had a quick power failure (on and off in a second) and afterwards the computer failed to log onto internet. She did troubleshooting with ISP and they said her computer has the problem as they could see her connection had no problems
I think the NIC may have been damaged. She tried a new Ethernet cable with no luck and it is not her router as other devices can connect
Anyway, she brought it to me to look at and when I connected it up to check it out , it won't power on. No Bios, no beeps blank screen.
I have tested PSU with two other known good ones - Good
RAM removed I get beeps. RAM back- no beeps
CPU fan spins, cd spins. Removed all peripherals still no boot or bios.
Removed CMOS battery and replaced- no bios or boot
Tried different monitors
Removed HDD and scanned for errors and replaced
Swapped out SATA cables to HDD and CD
Powerlight on MOBO on
I cannot think of anything I haven't checked out.