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Something beond my ken

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by oldphart

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After a major overhaul of my cpu (upgraded power supply, improved cpu cooling much better cpu cooling system, increased airflow into case two 80mm case fans ducted to dump directly on cpu heat sink, upgradded video card from nvidia 100/200 32MB vram to BFG nvidia 5600 card with 256MB vram, and a usb 2.0 PCI card. I didn't change the amd Altheon 1700+ cpu or the 256MB of SD ram. Now upon cold reboot the mother board beeps one long snd two short and refuses to boot. This just happens sometimes I han reboot ten times normaly and the eleventh it hangs up. Most times if I turn the power supply switch off wait a few seconds then switch it back on then mosst times it will boot normaly. The beep code suggests a video card problem and I've checked that out Ive also upgraded to the latest Bios. That cured a lot of other oddities but still the cold boot problems.
Thanks for the read and hopefully the help.

4 replies

by another computer guy

I'm just another old fart also, so we have that going in common. Just from what you've described here, my first bet would be a power supply issue. Your 2 short and a long are right on target as an issue with the graphics card, but I think that the card is not getting the power it needs on bootup so it doesn't initialize properly. Once the P.S. has been running for a little while and warms up, it is capable of producing the required power and the card initializes. Just my 2 cents. Good Luck!

by jdclyde

supply certified? What is the output?

Switch back the video for a few days and see what happens.

As a rule, I NEVER change more than one thing at a time on the system. You never know which straw it was that crippled your camel.

by oldphart

Your both rite. But I had now changed out the power supply (a generic 350 for an Antec 430) and still does the same thing. The folks at support. com seem to think a a $60.00 Bios upgrade should turn the trick. But Im starting to think that if I have to spend so much on a Bios up-grade i should think about installing a new mobo with a new processor and the whole nine yards. What do you guyes think?

by jdclyde

Once you get that far in, it is best to replace than upgrade (is my rule of thumb).

I suppose you don't have a second identical computer you could swap parts with? (silly me) If you did, switch one part at a time until the other system started gimping.

Being only a 1700, you can get those cheap or use this as an excuse to up it a little. (need it to keep up with the new video, ya know.)

Good luck.

Tiger direct JUST HAD a sale on MB and processor last week too. Might still be on. Was part of a BareBones system with just processor /cpu.

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