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[Issue]Sandy Bridge system

Last response: in Systems
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March 17, 2011 7:22:19 PM

Rundown:
OCZ 650W Gamexstream(or something like that. probably 5 years old)
2500k
P67A-UD3-B3
Stock CPU cooler
eVGA GTX 460
OCZ 2x4GB gold series DDR3
Lite-On DVD/CD
1x Seagate 1TB x WD 250GB

When I power on the system my two system fans will spin, and my HDD's will spin up, phase_LED lights up green, VGA fan spins lights up green. And it stays like this. CPU fan never spins up, no POST beeps, no picture.

Now with this older PSU I have 2x 4-pin 12v connectors for the CPU. Do I need to connect them both to the board's 8pin bar, and if so does anyone know the exact orientation? The second connector from my PSU has all "rounded" connections, and that doesn't match a section of the bar on the mobo.

I've tried booting the board all by it's lonesome, I've tried reseating the CPU and I've tried moving the RAM around.
a b B Homebuilt system
a b à CPUs
March 17, 2011 8:11:56 PM

Why would you trust all your new parts to a 5yr old junk psu?? Not smart.

Anyways, yes you need 8 pin connected to cpu. They only fit one way.

The board is not going to boot without cpu power, no matter what you reseat or move around.
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a b B Homebuilt system
a b à CPUs
March 18, 2011 1:23:34 PM

I agree, buy new PSU. you are just asking for epic failure. here are some good buys at Newegg:


CORSAIR Enthusiast Series CMPSU-650TX 650W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Compatible ...
Item #: N82E16817139005
-$30.00 Instant
$10.00 Mail-in Rebate Card
$119.99
$89.99

CORSAIR Enthusiast Series TX650 V2 650W ATX12V v2.31/ EPS12V v2.92 80 PLUS BRONZE Certified Active PFC High Performance Power ...
Item #: N82E16817139020
-$20.00 Instant
$20.00 Mail-in Rebate Card
$119.99
$99.99

SeaSonic S12II 620 Bronze 620W ATX12V V2.3 / EPS 12V V2.91 80 PLUS BRONZE Certified Active PFC Power Supply
Item #: N82E16817151096
$89.99

Antec EarthWatts EA650 650W Continuous Power ATX12V Ver.2.2 / EPS12V version 2.91 SLI Certified CrossFire Ready 80 PLUS Certified ...
Item #: N82E16817371015
-$30.00 Instant
$99.99
$69.99

Antec High Current Gamer Series HCG-620 620W ATX12V v2.3 / EPS12V v2.91 80 PLUS BRONZE Certified Active PFC Power Supply
Item #: N82E16817371048
-$5.00 Instant
$94.99
$89.99
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