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Problem with either 4870 or psu...ideas?

Witor

Witor

Witor

Soldato
Joined
9 Jan 2007
Posts
2,760
Location
Gibraltar
Lo lads,

Quick question, not sure which (or both) are causing this issue i've been having with my PC.

Been running my setup for well over a year with no problems, however last few weeks my PC sometimes does not boot up, with 3 red LED's lit up on the 4870. There are 4 LEDs, and, 1st is lit, 2nd is not, 3rd and 4th are lit.

Repeatedly switching off the PC (5 sec switch off) and powering it back on...after maybe anything between 3-10 power up's it will boot up normally and...be absolutely fine.

PSU is a generic 650w, 4870 512mb (asus), Asus Mobo (forget the exact model), Q6600 (testing it as standard ghz for now, can run at 3.2ghz), 6gb ram, 1 HD, 1 Blu-Ray player, one n/w card.

Any ideas, i'd wager its the graphics card, yet once it does power up it is fine, which maybe might indicate the PSU is on it's way out?

Last night I dissasembled and re-assembled everything, made sure everthing was seated properly in their respective slots, recoated both the CPU and Graphics card with thermal paste, all heatsinks are tightly set. Took a couple of tries until it booted up and ran fine for 3/4 hours...all power connectors are obviously connected up and checked.

Would appreciate any pointers as to what it could be....
 
Noted. I've purchased an 800w PSU in any case in order to explore that avenue. Existing no-name 650w sounded more like a server than a PC...was always on the back of my mind to upgrade it anyways.

Will try the 4870 in another PC at home as suggested. Other PC actually has a 500w supply (rest of specs similar, except its a dual core, and an old 8600gts), which although less, should be sufficient to power it?
 
Thanks for the info lads. Had checked the LED light labelling on a website. Lights 1601,1603 and 601 (thats lights 1,3 and 4 as you see it) were on.

Got a BeQuiet 750w modular to install tonight. PSU aint exactly old, around 2 years iirc. 4870 is around the same age, slightly less. If that doesnt work, will test the GPU on my other PC.

Busy night ahead methinks.
 
Aaah, much easier than expected.

Ripped out the "Epsilon 80PLUS 600" of failage, replaced with the Bequiet!...all is good. Switched the PC off around 50 times, never fails to start.

Thanks for the help peeps!
 
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