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Computer not starting with 3rd stick of ram???

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February 20, 2010 4:40:21 PM

My computer starts and shows up on the screen with 4gb of ram, but when put in the 3rd stick nothing shows
up on the screen. What's wrong?

I know my board supports triple channel memory. I went into the manual and it told which slots to put it in and I did as it said but it still didnt work.

Mobo: Gigabyte x58Aud3r
CPU: Core i7 920
GPU: ATI radeon 5770
memory: 6gb of corsair xms3 1600

Thanks
a b } Memory
February 20, 2010 6:27:10 PM

One of your RAM modules may be bad. Download memtest86+ and burn the bootable CD image to a cd, then using one stick of RAM, run memtest86+ from the cd. If the first stick of RAM passes, then test the 2nd stick....and then the third stick.

Since you had the computer running with two sticks - run memtest86+ on the third stick first, if it fails, return it.
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February 20, 2010 6:49:38 PM

treefrog07 said:
One of your RAM modules may be bad. Download memtest86+ and burn the bootable CD image to a cd, then using one stick of RAM, run memtest86+ from the cd. If the first stick of RAM passes, then test the 2nd stick....and then the third stick.

Since you had the computer running with two sticks - run memtest86+ on the third stick first, if it fails, return it.


Well I've switched around all three of the sticks and all of them are working fine at 4gb. I tried all three of the sticks in different orders but it won't work.
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February 20, 2010 8:08:24 PM

Normally you have to put them in a certain way, atleast with asus p7p55d-e that's what happens.
Check your mobo manual to see if you're putting them in the right way.
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a b } Memory
February 20, 2010 11:29:28 PM

The manual (p. 16) shows that triple channel 3 sticks go in slots 1, 3, and 5. And that the BIOS will automatically find the RAM.

What is your BIOS?
gigabyte shows
F3 2010/02/06 Enhanced Memory capability
F2 2010/01/29 Support Intel Core i7 6 core processors
F1 2009/12/28 First Release

If you are not using F3, consider flashing your BIOS to F3.

If none of this works, then consider returning the board for one that woorks.
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