HP A6403W 32bit To 64bit Issues-Need Insight


  1. Posts : 15
    Windows 10
       #1

    HP A6403W 32bit To 64bit Issues-Need Insight


    I recently installed 2 GB more memory and did a zero fill, clean install Windows 10 Home 64bit. 1709 version would not let me install the Nvidia 7100/630i 64bit driver, which I preset the download to run in Windows 8 mode. That is how I had it when at 32bit (Windows 8 mode no issues). I then clean installed 1703 version and did same procedure and the onboard Nvidia 7100/630i 64bit driver installed ok. After a few uses I got a BSOD with nvlddmkm.sys error, disabled the nvidia item in services and it is stable at this point.

    I ordered (not here yet) a Nvidia MSI Geforce GT 710 2GD3 LP hoping this will help stability and it has Windows 10 drivers. The Nvidia 7100/630i is onboard and bios states it is in PCI not onboard. It is working fine and has obviously been in that mode as a default. I decided to change it to onboard and the results have created a new error BSOD PFN List Corrupt. I reset bios and re imaged the computer and back to stable.

    What do I have to do when installing the new card? I know how to do it etc. The new card will go into the PCI E x16 slot. The bios has a setting for this slot for graphics also. Choice of 3 PCI, Onboard, PCI E x16. Default is PCI. Also to note I did two different memory tests and they turn up good. Any help I would appreciate it. This is my old PC from 2008 and would like to keep it awhile yet. TIA adam
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  2. Posts : 15
    Windows 10
    Thread Starter
       #2

    also sfc turns up ok, driver signature check ok at this time.
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  3. Posts : 4,457
    Win 11 Pro 22000.708
       #3

    Can you install the chipset drivers for Win 7 X64 in compatibility mode? (They're from 2011.)

    http://www.nvidia.com/download/drive...px/30520/en-us

    If that doesn't work, it may be possible to extract the drivers (I recommend the free 7zip) and manually install them. I vaguely recall having to do that with a Compaq laptop of similar vintage with an old nVidia chipset (but for an AMD CPU).

    It may be a bit of a struggle getting a system like that, with no official support for anything new than Windows 7, fully functioning. Ought to work, though.
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  4. Posts : 15
    Windows 10
    Thread Starter
       #4

    What really seems to be happening is I think 64bit Windows 10 is way more fragile than I would like for this PC. It is 64 Bit capable though.

    I am looking ahead to the new card Nvidia Geforce GT 710, and any tips on the install and bios setting. If I were to clean install Windows 10 64bit again, with bios set correctly to PCI E x16 and new card in place... would this be best? Or leave bios in default PCI (Onboard running on this mode PCI YES REALLY) And uninstall the Nvidia 7100/630i, shutdown/install new card/ Start up and install current drivers. And see how it goes.
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  5. Posts : 15
    Windows 10
    Thread Starter
       #5

    delete
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  6. Posts : 2,313
    Windows 10
       #6

    Yes, default to the new PCI-E Graphics Card in the BIOS settings so that's how it always boots up.

    I would just remove the PCI Graphics card assuming it's in one of your slots. Waste of time trying to get that to work.
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  7. Posts : 15
    Windows 10
    Thread Starter
       #7

    The Nvidia 7100/630i is on the main board not PCI, bios default is PCI. So another clean install Win 10 64bit with new GPU in place PCI E x16, and set bios to PCI E x16 before install begins? I will be putting in a new 400w power supply too prior.
      My Computer


 

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