I have a pretty strange problem that has been messing with my head for quite a while and I wondered whether any of you could give me a hand with it.
I have a computer with the following specifications;
Microsoft Windows XP Home Edition
ECS 755-A Mobo (SIS 755, AMD Hammer Chipset)
AMD Athlon64 3000+ (2000Mhz)
512MB PC2100 DDR RAM
XFX GeForce FX 5700LE (256MB)
Samsung SV0643D 6GB HDD (C:\)
Seagate ST3160022ACE 120GB HDD (F:\ & G:\)
Generic CD-ROM Drive
Samsung DVD Writer
My problem is this, I built the system from scratch and everything was working fine for a couple of months, then the computer started freezing up whenever I tried to play a game. After a while it started freezing up whenever I tried to do anything. So I put the computer to one side until I had time to fix it and used my other computer for a while. Well two months down the line, I decide that I will have a go at trying to fix it, but lo & behold it is working absoloutely fine so I just start using it again. Well a month down the line and the freeze ups are back again.
I dismantled the comouter several times and put it back together again, made sure all the cards were seated properly, tested my RAM in various other machines and ran several different Memtest's on it and everything was okay, there is not one particle of dust left inside my entire machine. So I was completely lost for ideas until I thought about it being an overheating problem, so I installed motherboard monitor and it started setting off alarms left right and centre when I started up a game because the CPU was overheating. So I took off the heatsink and the thermal pad was completely shot, so I put some thermal grease on there, just enough and nice and evenly spread. That helped, Motherboard monitor was now reporting much lower temperatures and I could play my games; for a couple of hours until it started freezing again. The weird thing is that just before it crashes out Motherboard Monitors readings go completely mental, they go from their standard 51 degrees celcius when I have started a game, to 110 degrees celcius, then it will shoot down to -98 degrees, then maybe back up to 82 degrees, then -50 degrees. It will keep this up for a while until the system crashes out. The temperatures I have given above are only an example of the type of thing that happens, they dont go on the same temperatures everytime. It is very, very strange. Should have said earlier, when the computer freezes it litterally does freeze, everything on the screen stops and stays exactly the way it was, none of my input devices will respond and any sound that was playing will completely stop.
I have a new 550w PSU on order to rule out that it might be my stupid *** stock 350w PSU that is too blame for the crashes. If that does not work then I will be looking at buying the Thermalright XP-120 here
to seriously cool the CPU, but apart from that I am fast running out of ideas. I have even tried CPUIdle here
but that has had no effect. Please guys, I need some help here; I have hundreds of £'s worth of equipment that I can't do anything with
Thnx for the help in advance guys, this is a damn good tech board.