Questions about GIGABYTE products > Motherboards with Intel processors

Gigabyte GA-EX58-UD5 -> won't POST, Power & Clr CMOS lights are on

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joe100:

Hi folks,

Have just setup a new pc with the following spec in an Thermaltake SwordM case:

Intel Core i7 920 2.66Ghz
Gigabyte GA-EX58-UD5 Intel X58
ASUS GTX275
CORSAIR 12GB (6x2GB) DDR3 PC3-16000MHzl
Western Digital Caviar Black 1TB SATA-II 32MB Cache
Thermaltake Tougower 1500W Power Supply
Sony Optiarc DRU-860S 22x DVD±RW SATAl

On first startup, I hooked up just 1 mem stick (2gb) and left out the Sony optical drive. worked sweet for 1 hour. Next day after work i tried to power up the pc.

On powering up, all I see is the Clr CMOS switch and Power lights. when i hit the power swtich n the mobo it just starts up and then shuts down and trys to start up but fails, keeps repeating the same cyle over and over.

I've checked the following:

- MB is seated properly with all grounding posts in place
- Power cords secured into MB (2x4pin for the cpu and 20+4 pin for the MB)

i took out the mobo and unplgged everything from it next i only plugged the 2x4 pin for the cpu, 20x4pin for the mobo and the 1 stick of ram still same issue as above i have tried every stick of ram even had the gfx card unplugged. so angry i got all my part over the net from different state and cant take it so they can test all the part, i have to ship it. i'm thinking of just going to a computer store and paying 100$ for them to test everything. i dont know i'm so confused.

Any suggestions / help would be greatly appreciated.

Beekeeper:

--- Quote from: joe100 on July 10, 2009, 10:43:30 am ---(...) i took out the mobo and unplgged everything from it next i only plugged the 2x4 pin for the cpu, 20x4pin for the mobo and the 1 stick of ram still same issue as above i have tried every stick of ram even had the gfx card unplugged.(...)

--- End quote ---

so have you tried with only CPU installed (no other components)? if yes then have you heard any beeps from PC speaker?

when you install only 1 memory module then put it into DDR3_1 or DDR3_3.

try to do CMOS clear - unplug the power cord from PSU, take off the battery, press CMOS clear button, wait 10 minutes.

BTW: 100$ for test :o isn't it a bit too much???

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