No Post after upgrade

  oakwood 14:01 19 Nov 04


I have just upgraded from an Athlon 1100 to Athlon xp 2400 on my ECS K7S5A pro motherboard.

System was working well before.

When I turn on power Dvdrw & dvd drives, hard drives run & the hdd led remains lit but no beeps are heard. CPU & case fans run as normal.

I put the 1100 processor back in and the same thing happens.

Reseated processor, memory, all cards and drive connectors and power leads.
Also removed one at a time still the same.

Reset the cmos jumper & replaced battery.

Any suggestions would be appreciated.

I may not be able to respond to replies for a while, because I have to travel to access internet.


  ACOLYTE 14:08 19 Nov 04

did you remove the power leads to install new cpu? if so did you put them back in the way they came out,i had a similar problem once turned out i had overloaded one of the connectors by connecting hd/cd/and power case fan to it rearanged them and got it working again.

  ICF 16:28 19 Nov 04

Have you put your CPU cooler on the right way round?

Can your motherboard take a Athlon xp 2400 without a bios update?

Did you take anti-static precautions?

  oakwood 22:05 19 Nov 04

All leads in correct place.
Took anti-static precautions.
Mother board manual states that it will take upto xp 2600.
CPU fan fitted correctly.

I have just tried new PSU still the same?
Any further suggestions welcome.

  woodchip 22:09 19 Nov 04

Yes the PSU needs replacing

  oakwood 22:15 19 Nov 04

New PSU - Same problem?

  woodchip 22:19 19 Nov 04

Take the lot out the case and try running it outside the case connect only Graphics one stick memory just to get into BIOS, NO drives or PCI cards

  oakwood 22:42 19 Nov 04

Tried as you said, monitor will not come on and hdd led stays on.

Although I did not take the M Board out of the case, do I need to do that?

  chub_tor 23:11 19 Nov 04

It seems that you are not the only one with a problem using an Athlon XP and the K7S5A. Have a look at this click here

  oakwood 22:34 21 Nov 04

Could it be the Athlon xp 2400 has damaged the motherboard.

  oakwood 16:46 24 Nov 04

Just put in a new motherboard still the same!

If I had any hair I would be pulling it out:(

Any further suggestions would be appreciated!!!

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