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Blue Screen of Death help please.

I have been having problems with the bsod lately. It only occured after connecting a new Dell u2312 monitor to my laptop. Info on the bsod is below. Model laptop is dell l502x, gpu gt 540m, cpu is intel i7 2720QM.

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7601.
Locale ID: 5129

Additional information about the problem:
BCCode: 19
BCP1: 0000000000000020
BCP2: FFFFFA8009B35540
BCP3: FFFFFA8009B35560
BCP4: 000000000402000A
OS Version: 6_1_7601
Service Pack: 1_0
Product: 256_1

Files that help describe the problem:
7 answers Last reply Best Answer
More about blue screen death please
  1. Run Memtest for several passes and report back any failures.

    Are you running the most recent video drivers for your 540m?
  2. Quote:
    Bug Check 0x19: BAD_POOL_HEADER

    This indicates that a pool header is corrupt.

    In this case:


    Parameter 1: 0x20
    Parameter 2: The pool entry that should have been found
    Parameter 3: The next pool entry
    Parameter 4: Reserved
    Cause of error: The pool block header size is corrupt.

    Points to HDD/RAM. Run memtest86/Prime95 on each stick of RAM to ensure there are no errors then report back.
  3. i had this is its a shared memory GPU, problem is once i connected it to my TV or Monitor its crashed as not enough memory was allocated to that graphics card.

    how much memory you got installed is a key part to solving this problem
  4. Best answer
    I would try updating your bios on your motherboard as well as there can be a memory share conflict and when memory cell x is called, its been changed or moved by the motherboard.

    Sharing memory between the motherboard ram and video card ram, is a nightmare always waiting to happen.

    Update the drivers on the video card and the bios on the motherboard, restart and try again. if you have shadow memory turned on, try turning it off.
  5. Okay well I updated graphics driver and ran memtest. Memtest came up with no problems and I let it run for a few pases. So far so good but I have only started up my computer a handful of times so not 100% out of the hole just yet as it only happened on the odd occasion anyway ( odd meaning every 3rd ish startup).

    I will update the bios now as well.

    @spoony: I have 8gb of ram installed (2x4g DDR3 SD-RAM).

    Also, on a side note, why does PC wizard not pick up my video card as being the nvidia GT 540M? Instead it lists it as Intel HD graphics family, which im assuming is the integrated graphics?
  6. Best answer selected by latham.
  7. This topic has been closed by Nikorr
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