Tom's Hardware > Forum > Motherboards & Memory > Gigabyte > No Start with new Board/CPU/PSU
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genegold   06-05-2009 at 12:43:57 AM

The symptom is after pushing the power button, the CPU fan jiggles and the video board fan spins a few times, but no power/start beyond that.

The setup is a new GA-MA790X-UD4P, new Athlon 64 X2 7750 Kuma Black Ed. (AM2+), new Corsair 450VX PSU, along with an MSI/ATI 4670, new Kingston HyperX 2x2gb RAM (also floppy drive, DVD-R/W and WD 7500gb HDD). (XP/SP3, but haven't gotten that far w/ new setup).

What I've tried so far w/o luck are disconnect/reconnect the two power connectors to the MB and the CPU connector, flipping the power switch connector orientation (and disconnecting the LEDs and reset switch), pulling the video card, and disconnecting the keyboard/mouse and HDD. The only thing I haven't tried is pulling the RAM (am I getting that far?) or moving it to slots 3 and 4.

Suggestions what might be wrong or what I'm missing? Thanks.

Message quoted 1 times
Message edited by genegold on 06-05-2009 at 12:51:19 AM
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jitpublisher   06-05-2009 at 01:10:36 AM
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Try with only 1 stick of RAM.
Check to make sure you have the 4 pin CPU power connected correctly.

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Twoboxer   06-05-2009 at 01:48:23 AM
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genegold wrote :

. . . the CPU fan jiggles and the video board fan spins a few times, but no power/start beyond that.



If you happen to have another 4-pin fan to plug in, see if that gets you further. If its not the memory, or a failed cpu fan shutting down the system, prolly a power problem somewhere. Either psu or mobo grounding.

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AMG   06-05-2009 at 01:59:20 AM
- 0 +

did you rember the stand offs ?

make sure your power connectors are connected and your CPU fan cable is in the 4pin on the mobo. than try a basic boot in other words with one RAM stick

------------------------------ Q9550 3.8Ghz//ramapge formular//OCZ reaper 4Gb// 3 seagate HDDs// sapphire HD4870 512 // CM HAF 932
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starams5   06-05-2009 at 02:40:07 AM
- 0 +

Hi G

See if this helps, Tom's Motherboard FAQ:

http://www.tomshardware.co.uk/foru [...] _12_0.html

Reply to starams5
genegold   06-05-2009 at 06:43:01 PM
- 0 +

Thanks to both replies. Seems the key ingredient yesterday was getting put on hold at Corsair tech support yesterday. Twice that happened and twice problems resolved themselves. In this case, it was plugging both power conntectors to the board back in.

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