2 ram sticks don't work together

ok, folks, here's my problem

I built my pc on EliteGroup G31T-M Motherboard and bought 1 GB of ram for it. Here are the specifications of the RAM given by Everest

Module Name OCZ OCZ2V8001G
Module Size 1 GB (2 ranks, 4 banks)
Module Type Unbuffered DIMM
Memory Type DDR2 SDRAM
Memory Speed DDR2-800 (400 MHz)
Module Width 64 bit
Module Voltage SSTL 1.8
Refresh Rate Reduced (7.8 us), Self-Refresh

It worked perfectly for me. Recently i bought anoyher stick of RAM. Here are the specifications given by me

Model Name PQI MEAER401LA0109
Memory Type DDR2 SDRAM
Memory Speed DDR2-800
Module Size 1 GB

Separately system recognizes each one on POST screen, but when i insert them together, i get only 1024 mb on POST screen.

P.S. i have 2 DIMM sockets which work nicely, so it's not a socket problem

P.P.S. i can't give the PQI ram specifications by everest because when i insert the stick, the pc boots but it won't go further than the logon screen, so i'll need to reinstall windows
7 answers Last reply Best Answer
More about sticks work together
  1. Reinstalling Windows won't help with the probably defective PQI module. Return it and get another OCZ OCZ2V8001G identical to the one that you already have. Mixing modules is a bad idea.
  2. ok, i was just wondering if there's another way;-)
  3. A single module should always work. If it doesn't, then it's either defective or incompatible. Either way you want to return it.
  4. Thank you, but the problem is solved! It ACCIDENTALLY worked!!!
  5. Best answer
    By ACCIDENTALLY worked, do you mean that it previously wasn't fully inserted into the slot?
  6. maybe, maybe. i'm not sure. but honestly i had checked it very carefully
  7. Best answer selected by arockalypse.
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