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Problem With New Gigabyte 965 /Core 2 Duo/Corsair PSU

Forum Homebuilt Systems : General Homebuilt - Problem With New Gigabyte 965 /Core 2 Duo/Corsair PSU

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Strike_Team   02-15-2007 at 12:03:36 PM

The parts for my new PC arrived recently. To start with I put together the Core 2 Duo 6400, Gigabyte GA-965P-S3 motherboard and Corsair HX520 PSU, along with a speaker connected to the mainboard and Zalman CPU cooler. Result - a series of short beeps from the speaker, (which according to the manual signals a power supply problem), followed by the power supply turning off and restarting. I've checked everything's connected properly. The PSU fan runs OK. The 3.3V lines were, IIRC, nearer 3.7V, while the 5V and +/- 12V were OK.

I tried the Corsair PSU in my old PC (Gigabyte GA7-VAXP + Athlon 2000), and the PC did nothing, not even beeps.

I can't try the old PC's PSU on the new system, as it lacks the 4 pin ATX 12V connector.

I returned the PSU to Scan. The replacement, an HX620 (they were out of stock of 520's) arrived today. I got the same result as before with the new CPU/motherboard.

I'm going to pick up another ATX PSU today to try with my new system.

Does anyone have any thoughts on my problem?

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alcattle   02-15-2007 at 12:26:47 PM
- 0 +

Swapped the PSU with no change. I would start looking at the compatibilies of all your gear. Have to tried to strip down the build to bare minimum and go from there. No GPU, 1 stick of RAM, no drives and wsuch

Reply to alcattle
evongugg   02-15-2007 at 01:04:46 PM
- 0 +

Check for shorts, extra standoffs, etc.
A short may be causing the computer to interrupt the current.
Clear the Bios.

Reply to evongugg
plguzman   02-15-2007 at 02:24:56 PM
- 0 +

Is the backplate of the Zalman made of metal? (I had a 7700 and is made of plastic, but I don't know what model do you have).

Reply to plguzman
Strike_Team   02-15-2007 at 04:38:57 PM
- 0 +

Problem solved! I've just added 1 RAM stick and an old PCI VGA card, and it works!

I was confused by the misleading BIOS beeps :oops: . :oops:

Reply to Strike_Team
Stealth_JAG   02-15-2007 at 05:05:20 PM
- 0 +

Good New Strike Team. I was about to express my surprise that a Corsair PSU crapped out like that. I've seen nothing but great reviews of the HW620. Its possible for any company (even the best) to occassionally ship out a bad part - but 2 in a row? Anyway - hope the new build performs to your expectations and beyond.

Rob

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