Replying to a message of Vic Green to All:

 VG> 
 VG> Hi all,
 VG> I have assembled a new computer and after months of nagging little 
 VG> problems,arrive at the point where I could push the start button. 
 VG> But,the thing wont start. The power light and the hard drive light,as 
 VG> well as the fans spring into life,but no output to the screen.This is 
 VG> both with a video card installed and with the built-in video.My  WAG
 VG> is  the cmos has somehow been deleted, The mobo is :Gigabyte
 VG> GA-MA69GM-S2H CPU Athlon 64X2 Dual core 4800. on board
 VG> graffics:integrated in the AMD 690G north bridge Graphics
 VG> card:Visiontek Radeon  HD3850.

 VG> Both the lights and fans come to life when the start switch.
 VG> Any gausses and solution(besides changing the mobo)
 VG> Would a dead cmos battery cause this behavior?
 VG> Thanks for any help?hope offered.

I'd look at the system clock chip.

I had a PS/2 that ran for years and suddenly just stopped, turned out that
the clock stopped and nothing runs - except the fan - when that happens.

--- FleetStreet 1.19+