my pc shuts down and beeps

  dfghjkl 19:44 20 Aug 06
Locked

hi,my sons pc is playing up,it is an epox 8k5a2+ motherboard with a 1700+ cpu.when you turn it on it starts up ok then after 5 minutes it shuts down and makes a beeping noise,a high pitched beep followed by a lower beep then high pitch etc.i thought it was a heat issue but i have opened the side but still the same,there is a digital readout that says "FF"when it is working ok but when it shuts down everything is dead apart from the beeps.can anyone help please,thanks.

  woodchip 20:09 20 Aug 06

Try reseating Memory

  brundle 20:33 20 Aug 06

the first page of the manual suggests FFh can indicate a number of problems;
manual here click here

  dfghjkl 22:26 20 Aug 06

thanks,i have tried to reseat the memory so i guess it is a new moherboard,i guessed as much but i did not want to get one and then find out it is the cpu,thanks,peter.

  DieSse 22:45 20 Aug 06

This type of "two-tone" beeping is usually a fan alarm, a heat alarm, or a power supply alarm (one of the DC voltages out of specification.)

FF code means a boot attempt - so if it shows FF when it's working normally, I would thing that's what it should show.

  DieSse 22:48 20 Aug 06

Look in the BIOS to see if you can see what the temperatures and fan speeds are after you restart. If not, I would think the PSU is the first thing to suspect.

Of try Everest, and look at the temperatires, fan speeds and voltages whiile it's working - you'll probably see what's running too close to the shutdown limits.

click here

  brundle 22:54 20 Aug 06

Taking the side off a PC that has inadequate cooling can sometimes exacerbate the problem

  DieSse 23:01 20 Aug 06

Ah - I see on the first page of the manual it does say FF indictes problems - this seems very strange, however, if it boots and works while showing FF, I would still suspect another reason for the beeps, as above.

  dfghjkl 21:26 22 Aug 06

hi,i have a spare psu i think i will try it and at least i can eliminate it.

  dfghjkl 20:09 23 Aug 06

hi,i turned it on and went into bios to check temps and it ran all night so could it be the hard drive overheating?thanks peter.

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