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Reinstall Prev working RAM - code 55 using 2 banks

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mrich View Drop Down
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Joined: 24 Nov 2015
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    Posted: 24 Nov 2015 at 9:56am
MB: ASRock Z77 Extreme4,  RAM: G.Skill trident F3-1600C7Q-32GTX

I ran this system originally with all 4 pieces of the above ram, all was well for months.  2 months ago, I loaned sticks to my son and just now tried returning it to my system.  Code 55 with all 4 sticks.

If I run any 2 sticks of the RAM in bank 1 (a1/b1), I can see 16 G and the system works fine, every time.
Adding 2 sticks to 2nd bank (a2/b2), the system will rarely post and boot.  Oddly, it did boot just once so far, showing 32 GB in windows. 


Anyone heard of this ? 

I will try clearing CMOS and trying again later  . . . .
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wardog View Drop Down
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Joined: 15 Jul 2015
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wardog Quote  Post ReplyReply Direct Link To This Post Posted: 24 Nov 2015 at 10:16am
Unslot all four sticks and blow whatever dust may have accumulated in the memory slots in their absence.

Time to test each stick individually.

If you lent out all four sticks and used different, then yes, a BIOS clearing is in order.
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