Ram slot not working

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Chmacle

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Jul 6, 2013
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I have 2x4Gb of RAM in my computer, but my computer only says that I have 4Gb of RAM. I switched the stick around one at a time and each worked. Since the sticks are in the 2nd and 4th slots, as recomended for my mobo, should i put them in the 1st and 3rd or do something else?

RAM: G.SKILL Ripjaws Series 2 x 4GB
Mobo: ASUS F2A85-M PRO FM2 AMD A85X
 
Solution
Tradesman1


Can try it, think I'd suggest pulling the sticks, make sure the contacts are clean (rubbing alcohol and foam swabs work well - don't use the oft suggested erasers (can leave the gummy substance on the contacts) or Q-tips (often leave cotton fibers)...also blow out the DRAM slots with compressed air if available...might also raise DRAM voltage in the BIOS by + 0.05....another thing to look at without going to deep into it is your CPU cooler, if too tight could be affecting the MC (memory controller - just ran into this day before...
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Christopher Shaffer

Christopher Shaffer

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Some motherboards will only see the first stick in order from slot 2, 3 and 4 so if 2 is the first one you have a stick in, it may not see the 2nd stick. If this is the case, it means you need to have 1 & 3 populated and it should see both.

If/when you run slots 2 & 4, too, it should see all 4 sticks. If it doesn't then you have a bad slot.

It's also possible you simply didn't have the stick pushed all the way in. There's only a small gap needed for the connection to be lost.

Good hunting!
 
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Chmacle

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1-3 yielded the same results as 2-4. Would putting a stick in each slot, one at a time, work to try and isolate the problem, or would the mobo need the stick in a certain slot if it is by itself?
 
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Tradesman1

Tradesman1

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Jun 5, 2013
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______________________________
______________________________

Yes I READ the post and to quote it was said
"should i put them in the 1st and 3rd or do something else?"
Thus my response that yes, he should, so question should prob be DID YOU read the post ;)
 
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Chmacle

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I had said that I tried that configuration as a reply to one of Christopher's posts, but he deleted it and thus my comment was accidentally lost.

Back on topic, does anybody have any ideas of what to do?
 
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Tradesman1

Tradesman1

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Jun 5, 2013
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Can try it, think I'd suggest pulling the sticks, make sure the contacts are clean (rubbing alcohol and foam swabs work well - don't use the oft suggested erasers (can leave the gummy substance on the contacts) or Q-tips (often leave cotton fibers)...also blow out the DRAM slots with compressed air if available...might also raise DRAM voltage in the BIOS by + 0.05....another thing to look at without going to deep into it is your CPU cooler, if too tight could be affecting the MC (memory controller - just ran into this day before yesterday with a Hyper 212, loosened each screw by a quarter turn these should be snug, but not overly tight and this is a common occurance - to tight on a corner and the CPU doesn't make full contact - if AMD can check for bent/broken pins.

 
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AniAM

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Tradesman, asking you again.

Problem 1- I had sticks in 2 & 4. Was showing only 3.90GB instead 8. Now while I put those in 1 & 3, it worked! What's the deal? I carefully noticed that the 2nd slot's RAM was properly fitted. Is there any other explanations?

Problem 2- On the other hand, my motherboard speaker gives one long BEEP and 3 short BEEPS. Why? Video card problem?
 
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AniAM

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Mar 26, 2014
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So, what did happen back then you think 1 & 4 which are black & black, did work but 2 & 4 didn't. Why's so? Dual channel can do anything but two different of showcasing really baffled me and still is.
 
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AniAM

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Mar 26, 2014
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Disturbing you again, if the motherboard speaker makes 1 long BEEP and 3 short beeps, should I change the graphics card or it could be another problem? Confused. (M5A97 R2.0 MoBo)
 
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AniAM

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Was trying to reduce virtual wastage.
 
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