Added New RAM and got BSOD!!

By PurposeDriven
Mar 25, 2006
  1. Hi,

    I have HP Pavilion 7845. I had one stick of 256MB PC133 SDRAM and one stick of 128MB PC133 SDRAM on it. I tried to upgrade it to 2 stick of 256MB. I installed it, turn on the computer, went through BIOS with the RAM check, which went fine. Then when window is starting to load, I got a BSOD.

    The following is what I found on the HP web-site for this specific model.

    Component Attributes
    RAM (standard) 128 MB RAM PC100
    Maximum 512 MB (2x256 MB DIMM)
    Speed 100 MHz synchronous
    Sockets 2 – 168 pins DIMMs
    Size 32, 64, 128 and 256 MB DIMMs
    Free DIMM Sockets 1
    Pairs Required No
    Type Supported SDRAM, Intel PC SDRAM unbuffered DIMM specification, revision 1.0 compliant

    I tried installing a PC133 and a PC100, both 256MB, but both created the BSOD.

    Please help!!

  2. KingCody

    KingCody TS Evangelist Posts: 992   +8

    use the sticks that you already had in your system as a reference.

    are they single sided or double sided? make sure they match up, often times you cannot use them together on the same board.

    Verify that the stick that you are attempting to add to your system is compatible by installing the new 256MB stick alone (leave the other slot empty) and see if it boots into windows.
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