upgraded to 16gb Ram from 8gb now PC wont show display

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darrojo

Commendable
May 15, 2016
1
0
1,510
I recently upgraded from 8gb to 16gb(4x4gb). It worked fine for few months. Now I get no display/video. I narrowed down to one of the ram cards possibly being defective.I replaced old ram and got display back but when I replaced back I lost my display again. I removed each card one at time to issolate the bad ram. I removed this 4gb ram card replace it with one of my old ram so I have 4 slots used so I have 14gb (3x4gb & 1x2gb) is this ok or do I have to work in sequence of 4's. My Dell xps says I can go max of 16gb with Win 7
 
Solution
Tradesman1
SO you ahd 2x4GB and added 2x4GB? Chances are good from the sounds of it one of the new sticks or 1 of the old don't want to play with the others, but you have a 2GB that will play with the 3 4GB sticks that do play. With a prebuilt aboiut the only option is check for a BIOS upgrade that migh let the full 4x4GB play. Otherwise the 3x4GB + 2GB is fine, CPU-Z should show it as dual channel mode though effectively you have 12GB in dual mode and the odd 2 off a 4GB stick in single mode which is fine. If you had a mobo with an unlocked BIOS the normal approach would be to try some additional voltage to the DRAM and/or MC to get all 4 of the 4GB sticks to play - may sound confusing, if so sorry
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Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
67,883
40
126,960
SO you ahd 2x4GB and added 2x4GB? Chances are good from the sounds of it one of the new sticks or 1 of the old don't want to play with the others, but you have a 2GB that will play with the 3 4GB sticks that do play. With a prebuilt aboiut the only option is check for a BIOS upgrade that migh let the full 4x4GB play. Otherwise the 3x4GB + 2GB is fine, CPU-Z should show it as dual channel mode though effectively you have 12GB in dual mode and the odd 2 off a 4GB stick in single mode which is fine. If you had a mobo with an unlocked BIOS the normal approach would be to try some additional voltage to the DRAM and/or MC to get all 4 of the 4GB sticks to play - may sound confusing, if so sorry
 
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Solution
T

Twacz

Commendable
Apr 13, 2016
8
0
1,510
Ey dude, i almost had the same problem, try resetting your Bios (or just pull the little battery out of your motherboard), then reboot, reinstall all your ram - and you should be good to go :)

But remember if you pull out the battery of your motherboard, make sure to disconnect any hardware connected to it, or else it'll burn out.
 
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