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hardware not working after adding new ram.

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March 16, 2014 11:27:18 AM

Hello guys, as the title suggests I attempted to install new ram today which has caused my moniter and keyboard to stop working regardless of any combination of ram I try using. I am using a ASUS P7P55 LX motherboard and previously had 2x2 crucial cards, today I attempted to install 2x4 Corsair vengeance along side my other cards which ever since has caused the issues. I have tried many different combinations to resolve this issue but nothing is working(e.g. reverting the old setup, using a single 2 card, using only the corsair cards, and using no cards at all) nothing I do makes a difference and I can't get the monitor to display anything at all. Any help would be greatly appreciated.

Edit: Will removing the cmos battery help? I attempted to do so earlier but couldn't get it to budge so gave up in fear that i'd cause damage to the computer if i applied to much force. Also would it be more efficient to completely replace the old crucial cards with the new corsairs, or to run them side by side( the motherboard has 4 slots)

thanks in advance kfitz
a b V Motherboard
March 16, 2014 11:48:49 AM

Those Asus boards should have a button with memok next to it. It will allow booting with variations of ram other boards don't support. Press once to activate I belive.
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March 16, 2014 12:48:47 PM

Xiembeest said:
Those Asus boards should have a button with memok next to it. It will allow booting with variations of ram other boards don't support. Press once to activate I belive.


While you are correct in saying the asus motherboards have a memok button, unfortunately pressing it has had no effect as the display still doesn't work, should have clarified that it didn't work in the op, my apologies for that
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a c 324 V Motherboard
March 16, 2014 4:42:32 PM

There may only be a small chance of such a combination working. Mixing memory kits often causes compatibility problems. There are compatible 4X4GB kits available for that motherboard.
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March 17, 2014 1:11:06 AM

Calvin7 said:
There may only be a small chance of such a combination working. Mixing memory kits often causes compatibility problems. There are compatible 4X4GB kits available for that motherboard.



Ah fair enough, thank you for the answer:)  My biggest priority right now is getting my computer operational again, preferably with the new corsair's installed if possible. I've Removed the c mos battery with the corsairs connected although this had no effect, i'll remove the battery again, and try the old cards, anyone have any more ideas to resolve this issue? if the battery doesn't work i'm fairly stumped:|
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March 17, 2014 3:40:25 AM

Update: I have removed the cmos battery and put in the original 2x2 ram setup that i was using before I attempted the change also again pressed the memok button and still nothing:\

Is it possible the motherboard got damaged after inserting the new cards? I know now that the new cards probably aren't compatible with the old ones but surely reverting to the old setup should be working normally?

update: Currently what happens since I added the new ram, when I power on the processor it seemingly starts normally but regardless of what I have tried I can't get any output from the monitor, I think that indicates a problem with the motherboard? It seems like my USB mouse works if i insert it after start up so i don't think it is broken...
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a b V Motherboard
March 17, 2014 10:54:01 AM

Calvin7 said:
There may only be a small chance of such a combination working. Mixing memory kits often causes compatibility problems. There are compatible 4X4GB kits available for that motherboard.


Having a matched set of sticks will solve the problem I think. I know people complain about disapointing overclocks with non-matched ram sticks, which is a more mild varient of the problem you're having right now.
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March 19, 2014 12:48:07 AM

Hey guys, The computer is now working again, I got it sent to a computer doctor and he fixed it, I believe the problem was that the motherboard was loose
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