Computer boots but no display and k/b lights flash

sloudon123 · 08-07-2006, 10:03 AM

I'm new to forum and need some help to fix my pc.

I run:

Pentium 4 prescott 3GHZ
Asus P4P800-E Dleuxe
Sapphire ATI Radeon 9250 256MB 128bit DDR AGP

My problem is the pc turns on and the monitor light goes green then goes to amber. The monitor displays 'standby mode' and then the lights on the keyboard keep flashing.

What is causing these problems? My gues is PSU can anyone help me out, and how likely is it that other components have been damaged?

Thanks

**jnob** · 08-07-2006, 12:13 PM

Please post the PSU specs including brand, wattage, and amps.

First, try removing the AGP card and reseating it. Sometimes these cards can work their way out of the slot a little causing this sort of problem.

If that doesn't help, if you have more than one stick of ram try booting the system to each stick individually.

sloudon123 · 08-07-2006, 02:34 PM

The PSU is un-branded it was a cheap one that came with a case. Its rated at 350w, unsure of amps, i will find out and post them later on.

I will try reseating the graphics card.

thanks

daz215 · 08-07-2006, 03:48 PM

Quote:

Originally Posted by sloudon123

The PSU is un-branded it was a cheap one that came with a case. Its rated at 350w, unsure of amps, i will find out and post them later on.

I will try reseating the graphics card.

thanks

Seems like bad RAM to me, if you have more than 1 stick try removing them 1 by one to find your culpret, or take them all out and use a stick you know what definately work

mjwidd · 02-20-2008, 01:36 PM

I had the same problem, apparently I had put in to much Ram, Try putting it a stick at a time

08-07-2006, 10:03 AM	#1 (permalink)
sloudon123 Registered User Join Date: Aug 2006 Posts: 2 OS: xp	Computer boots but no display and k/b lights flash I'm new to forum and need some help to fix my pc. I run: Pentium 4 prescott 3GHZ Asus P4P800-E Dleuxe Sapphire ATI Radeon 9250 256MB 128bit DDR AGP My problem is the pc turns on and the monitor light goes green then goes to amber. The monitor displays 'standby mode' and then the lights on the keyboard keep flashing. What is causing these problems? My gues is PSU can anyone help me out, and how likely is it that other components have been damaged? Thanks

08-07-2006, 12:13 PM	#2 (permalink)
jnob TSF Enthusiast Join Date: Nov 2005 Location: CA Valley Posts: 692 OS: XP Pro, SP2 My System	Please post the PSU specs including brand, wattage, and amps. First, try removing the AGP card and reseating it. Sometimes these cards can work their way out of the slot a little causing this sort of problem. If that doesn't help, if you have more than one stick of ram try booting the system to each stick individually. __________________ Everest Memtest86

02-20-2008, 01:36 PM	#5 (permalink)
mjwidd Registered User Join Date: Feb 2008 Location: Dirty Jersey Posts: 15 OS: XP-Pro SP2	Re: Computer boots but no display and k/b lights flash I had the same problem, apparently I had put in to much Ram, Try putting it a stick at a time

08-07-2006, 02:34 PM	#3 (permalink)
sloudon123 Registered User Join Date: Aug 2006 Posts: 2 OS: xp	The PSU is un-branded it was a cheap one that came with a case. Its rated at 350w, unsure of amps, i will find out and post them later on. I will try reseating the graphics card. thanks