Ram Headache...

Hellow everyone.I own a compaq presario cq3230d with 1gb ddr3 ram and windows 7 h.p 32 bit.. I've planned to upgrade its ram up to 3 gb by buying 1 ddr3 kingston 2gb module but when i add the new slot my pc wont boot and just hanging up at start screen. Then i brought another ram from different manufracture and the problem still same.. This is my pc spec http://h10025.www1.hp.com/ewfrf/wc/document?docname=c02001599&cc=us&dlc=en&lc=en&product=4091718#N35. Please give me kind guide and if can please send a link to update its bios. THX
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  1. Does your PC boots only with that 2GB Kingston stick? Also, make sure the module is perfectly compatible in terms of voltage. Modern day modules come with 1.5V spec whereas your motherboard may only be compatible with 1.65V or more.
  2. But my stock samsung ram that is 1gb drr3 also operates with 1.5v. No my pc just hangs over when i add the 2gb module.
  3. Specs say dual channel memory architecture. If there is no option in the bios to switch this, you'll need to get a matched set. Pay attention to the memory upgrade specs.
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    Memory upgrade information

    Supports DDR3 DIMMs only
    Dual channel memory architecture
    Two DDR3 DIMM (240-pin) sockets
    DIMM types:
    PC3-10600 (DDR3-1333)
    PC3-8500 (DDR3-1066)
    PC3-6400 (DDR3-800)
    Non-ECC memory only, unbuffered
    Supports 2 GB DDR3 DIMMs
    Supports up to 4 GB on 64-bit PCs
    Maximum memory only if using 2GB DDR3 DIMM modules

    NOTE:32-bit PCs cannot address a full 4.0 GB of memoryThis motherboard is not planned for use with a 32-bit OS
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