RAM is not working

Its been 1 year since i bought a DDR2 corsair 800mhz RAm. Today my Pc was not opening. So i decided to change the ram slots and see. No help. Later I found out that one of my 2GB ram is working fine with any slot but it is the problem when i insert the other one...that the beep sound of BIOS is not happening. Is my RAm damaged....also a few days from now the PC was running slower and now with even 2GB of rAm that works i feel the PC speed has increased
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  1. From what I understand, if there is NO BEEP SOUND as you said, when having BOTH STICKS INSTALLED, there is a possibility that the RAM is shorting out the PSU ...


    ''OK. Try this checklist:
    http://www.tomshardware.com/forum/ [...] -checklist

    If that doesn't help:
    Pull everything except the CPU and HSF. Boot. You should hear a series of long single beeps indicating memory problems. Silence here indicates, in probable order, a bad PSU, motherboard, or CPU - or a bad installation where something is shorting and shutting down the PSU.

    To eliminate the possiblility of a bad installation where something is shorting and shutting down the PSU, you will need to pull the motherboard out of the case and reassemble the components on an insulated surface. This is called "breadboarding" - from the 1920's homebrew radio days. I always breadboard a new or recycled build. It lets me test components before I go through the trouble of installing them in a case.

    If you get the long beeps, add a stick of RAM. Boot. The beep pattern should change to one long and two or three short beeps. Silence indicates that the RAM is shorting out the PSU (very rare). Long single beeps indicates that the BIOS does not recognize the presence of the RAM.

    If you get the one long and two or three short beeps, test the rest of the RAM. If good, install the video card and any needed power cables and plug in the monitor. If the video card is good, the system should successfully POST (one short beep, usually) and you will see the boot screen and messages.

    Note - an inadequate PSU will cause a failure here or any step later.
    Note - you do not need drives or a keyboard to successfully POST (generally a single short beep).

    If you successfully POST, start plugging in the rest of the components, one at a time.

    For a somewhat extreme example of breadboarding (well, more like building a PC without a case):
    http://www.tomshardware.co.uk/foru [...] _13_0.html''
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