Unable to post after raising and then lowering memory voltage

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Hello, thank you for taking to the time to look at this thread and helping me out.

Basically what happened as the title implies is that I raised the voltage of my ram and additionally changed it to 1066 mhz from 800 mhz, afterwards it wasn't terribly stable when playing games. I then decided to revert the settings to what they were before, after doing this, I was unable to get it to post. I tried the ram, and video card in another computer and both work fine in the other pc. Additionally I placed a pin on the reset cmos pin for 25 minutes and removed the battery for that much time as well to and that didn't help either. I'm wondering if I accidentally "bricked" the motherboard as it is called, anyway thank you for any reply.

Here are the pc's specs:

LG 22X DVD±R DVD Burner Black SATA Model GH22NS30 - OEM
http://www.newegg.com/Product/Prod [...] 6827136152

Western Digital Caviar Black WD6401AALS 640GB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive - OEM
http://www.newegg.com/Product/Prod [...] 6822136319

Antec Three Hundred Black Steel ATX Mid Tower Computer Case - Retail
http://www.newegg.com/Product/Prod [...] 6811129042

ASUS EAH4870 DK/HTDI/1GD5 Radeon HD 4870 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card - Retail
http://www.newegg.com/Product/Prod [...] 6814121291

Sunbeam CR-CCTF 120 mm Core-Contact Freezer CPU Cooler W/TX-2 - Retail
http://www.newegg.com/Product/Prod [...] 6835207004

CORSAIR CMPSU-750TX 750W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Compatible with Core i7 Power ... - Retail
and
GIGABYTE GA-MA790X-UD4P AM3/AM2+/AM2 AMD 790X ATX AMD Motherboard - Retail
http://www.newegg.com/Product/Comb [...] mbo.201928

AMD Phenom II X4 940 Deneb 3.0GHz Socket AM2+ 125W Quad-Core Black Edition Processor Model HDZ940XCGIBOX - Retail
and
G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory Model F2-8500CL5D-4GBPK - Retail
http://www.newegg.com/Product/ComboDealDetails.aspx?ItemList=Combo.201928
 

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Also I tried booting with just 1 stick in slot 1, and different ram and a different video card in there and it still won't post.
 

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I can't get to Bios, also I already tried resetting the cmos by shorting the pin and removing the battery, also I tried the ram on another computer and it worked fine.
 



Sorry i should have read your first post more thoroughly .


I think its unlikely that you have damaged the mb by raising voltage a little to the ram .


I would check all the power connectors , and then try one ram stick at a time as suggested above
 

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Thanks Outlander, its really nice of you to help me man, I sure appreciate it. :D

Anyway, that was a good idea to check if all the power connectors were on right, I tried that and additionally tried two different types of ram with one stick out of 4 at a time. Unfortunately that didn't do it either, hmm.
 

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Alright well I'm off to go watch a local baseball game, if anybody thinks of anything I sure would appreciate the input. If not, I'll try to RMA the mobo tomorrow, thanks for any help.