Ram only works in 1 slot

So every time I put ram in the other slot it beebs and I know it's the slots because all the ram works in the first slot but the other 3 won't work

It's a hp pavilion a6042n
I have 2x2 gb and a 2x512 for a 5gb
Amd Athlon 64 x2 3800
Onboard nvidia GeForce 6150se nforce 430
MCP61PM-HM (Nettle) motherboard

I just replaced the motherboard with a brand new one its the same as the old one (MCP61PM-HM (Nettle) )
10 answers Last reply
More about works slot
  1. Hi, Have you checked the CPU for bent pins? It might be a memory controller issue.
  2. Hi, thanks for the quick reply.
    The cpu has no bent pins and is brand new along with the motherboard.
  3. I know all three of the ram slots can't be broken.
    both of the blue slots dont work and the one black slot also does not work
  4. I would check though the CPU using a magnifying glass.
  5. I looked again, everything seems in order.
  6. Then I would RMA both motherboard and CPU.
  7. i cant rma motherboard and i switched out the cpu same problems
  8. Does anybody know how to fix this issue?
  9. I found the tech specs on your motherboard ....
    http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&dlc=en&docname=c00906137#N157

    make sure all your ram you're trying to use matches the requirements....
    Dual channel memory architecture
    Four 240-pin DDR2 DIMM sockets
    Supports PC-4200 (533 MHz), PC2-5300 (667 MHz), and PC-6400 (800 MHz) DDR2 DIMMs
    Non-ECC memory only, unbuffered
    supports 2GB DDR2 DIMMs
    Supports up to 8 GB on 64 bit PCs
    Supports up to 4 GB* on 32 bit PCs
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