Once again no display and no beeps

Some of you might know the story already but for the others.

I bought a new mobo with an AM2+ socket I installed 2 1gb (DDR2)sticks and it worked, I bought a 500GB Seagate SATA2 hardddrive for it and that worked in it as well.

I took a 2gb stick from my cousins computer and added it and it stopped.

I took out the 2 gb stick and added the 1gb stick again and tried it and nothing happened.

Eventually I got it working but with only 1 gb stick.

So I wanted to upgrade to 2 gb again so I added the other 1gb stick and it stopped working again.I tried to get it working again with only 1 stick, didn't work I even tried it with the 2gb stick and it didn't work.

Please Note:

Everytime I switch RAM around, I removed the battery in an attempt to reset the bios and I reset the cmos and all other jumpers on the board.

This is the board: MCP6PB M2+

Note that it has 3 red jumper and the black jumper clears the cmos.

COuld someone please tell me what each red ones does.

The one at the top right (Based on the picture) says JKB-PWR

The one in the middle at the top says JUSBPWR 1

and the one at the bottom says JUSBPWR 2

Thanks in advance.
7 answers Last reply Best Answer
More about once display beeps
  1. Best answer
    If i'm not mistaken, the first jumper is for keyboard power and the other two are for USB. These jumpers shouldn't affect your display (or lack of) problem.

    If the system worked with the 1GB module and then no display after upgrading, there could be several explanations.

    The following assumptions are made since the RAM modules are unknown:

    1. Mobo doesn't support the 2GB module
    2. Because of 1, the "stock" settings of the module could've been too powerful for the mobo
    3. because of 2, the mobo could have been damaged
    4. installing RAM while the mobo is mounted in the case can cause warping
    5. faulty DIMMs are not uncommon, i've had two mobos with dead on arrival DIMMs

    When building a new system, the best practice is to breadboard the components first, to ensure operation and integrity. In your last thread, you did not specifically say that you performed a breadboard. I would suggest you try it (again, if you already did it once) to rule out shorts.

    Here are some "No Display" culprits:

    1. Bad RAM/DIMM(s)
    2. Shorts
    3. CPU molex not connected
    4. Improper RAM configuration
    5. Display cable loose
    6. GPU not installed properly
    7. Auxillary power cable not connected (may not be required)
    8. PSU dead or dying
    9. Insuffcient output (amps) from PSU
    10 Bad display cable
  2. Yeah I think I should try bread boarding.

    Would putting the mobo on a phonebook work?
  3. Yes, that would also work.
  4. I tried it and it didn't work I hope a stick of RAM isn't damaged
  5. We need to rule out compatability issues. List all your components with make/model/spec. For example:

    Mobo: Biostar TA790GXE
    RAM: OCZ Fatal1ty Dual Channel 4096MB PC6400 DDR2 800MHz Memory (2x2048)
    PSU: etc, etc

    Alternatively, if you believe your RAM is the failure, you can start seeking RMA's
  6. Somehow my cousin got it working with the 2gb and 1gb sticks so I'm fine now.
  7. Best answer selected by Komomu.
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