M6800 Owners' Thread

Discussion in 'Dell Latitude, Vostro, and Precision' started by billxt95, Nov 1, 2013.

  1. Aaron44126

    Aaron44126 Notebook Prophet

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    I don't know the proper way to do the INF mod for a GeForce card. However, I can tell you that NVIDIA ("accidentally"?) released drivers that work with the 980M without a mod. This has since been "fixed", but if you go download drivers from the 390.xx through 417.xx range (directly from NVIDIA) then you should be able to just install them which will get you up and running.

    You can search for older drivers here.
    https://www.nvidia.com/Download/Find.aspx?lang=en-us

    You can tell if you have good ones if you can find the text:
    NVIDIA_DEV.13D7 = "NVIDIA GeForce GTX 980M"
    in nv_disp.inf.

    More details - http://forum.notebookreview.com/threads/graphics-card-upgrade-for-m6800.806352/page-21#post-10855488
    You can see further down just a few posts in this thread where I had someone put their GeForce 965M device ID in the place of the M3000M device ID in the driver... It seemed to work even though the card was identified in Device Manager afterwards as M3000M... You could try that (but using M5000M device ID).
     
  2. Rippchen

    Rippchen Notebook Enthusiast

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    To be excat the latest driver including 980M support for my M6700 ist the 419.35 and this should be the same for M6800.
     
  3. SMcgunigale1

    SMcgunigale1 Newbie

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    So could be trying to do with version 4.36.15 be my entire issue???

    [​IMG]
    so here is where i'm at. I've flashed the vbios and went to the 419.35 in but still no go (error 43)...
     
    Last edited by a moderator: Sep 26, 2019
  4. T-ravisty

    T-ravisty Notebook Consultant

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    Hey all,

    I recently bought an ex-government M6800 off of eBay.
    Specs: i7-4800MQ/K3100M/mSATA SSD/HDD/8GB stock RAM (x2 4GB sticks)/Windows 10/BIOS A08

    I've owned it for about two months.
    Up until four days ago it had been running fine.

    It currently is struggling to POST/boot.

    Diagnostics:
    • Holding 'D' while powering on will run through the display test, restart, and then hang on POST.
    • CMOS has been reseated to no difference.
    • RAM has been reseated with varying results, see below.
    • Powering on will lead to 3 different varying results:
      1) Power on > disk drive will sound > HDD indicator will flash twice, it will then hang and eventually reboot.
      2) Power on > disk drive will sound > HDD indicator will blink continuously, the other indicator light will remain off > it will eventually reboot.
      3) After reseating the RAM the computer will sometimes boot normally, but again with varying results:
      3a) Laptop will boot info Windows normally.
      3b) Laptop will repeat either options 1 or 2.
      3c) Removing one SODIMM will allow it to boot normally, but it is inconsistent as per which stick it is or in which internal slot underneath the keyboard. It is also inconsistent as per whether it will allow it to boot and will result in options 3a or 3b.
    • Windows has been nuked and is a fresh install.
    • K3100M is now not visible in the BIOS at all and attempting to install the Nvidia driver will state there isn't a compatible video card found.
    Power supply is fine.
    Battery is fine, has been removed and replaced numerous times during testing.

    I had bought some Corsair Vengeance 16GB 1600Mhz CMSX16GX3M2A1600C10 RAM to make out to 32GB.
    The RAM does work in my Lenovo x230T, no problems.
    The RAM doesn't work in the M6800 and will give an error code of:
    Storage LED / solid
    Power LED / blinking
    Wireless LED / solid
    Fault Description: "The memory modules are detected but has encountered an error."

    Device Status Lights Indication

    Regarding the status lights, under my Diagnostics 2), they don't exist in the documented indications:
    Storage LED / blinking
    Power LED / off
    Wireless LED / off

    I have found another case of this online to no resolve


    Does anybody have any ideas on how I can get this laptop working again?
    Please let me know if you require any more information.

    Help requests:
    A) Get it to consistently POST/boot
    B) How to have the K3100M show
    C) How to ensure the 32GB RAM can work
    D) If it can consistently POST I would like to upgrade the BIOS.

    Many thanks.

    T.
     
  5. rlk

    rlk Notebook Evangelist

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    If you can run full diagnostics, do so. But this constellation of problems suggests that the motherboard is bad.
     
  6. Aaron44126

    Aaron44126 Notebook Prophet

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    Agreed. Likely, motherboard replacement is in order.
     
  7. bobmook

    bobmook Notebook Consultant

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    It's worth noting mine wouldn't boot without ddr3L type memory installed .......some , maybe all, M6800's require this ,,,,,,
     
  8. T-ravisty

    T-ravisty Notebook Consultant

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    @rlk @Aaron44126

    I suspected that would be the case.
    Motherboards are about $250AUD - not really worth it unfortunately.
    I'll try a full diagnostics, but otherwise I guess I'll chuck it on eBay for parts to recoup some of the cost. Bugger.

    @bobmook
    I think it's more the motherboard going than anything, the stock RAM is: SK Hynix 4GB PC3L-12800 1600Mhz DDR3L Memory Module HMT451S6AFR8A-PB (x2)

    Given that the symptoms started with this RAM suggests it's more than just the RAM type, unfortunately.

    Thanks for the input, everyone!
     
  9. Savage.exe

    Savage.exe Notebook Guru

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    Greetings! I saw that people were able to put mxm cards into their M6800s. I used to have an HP Elitebook 8760w, maybe you've seen me on here asking me questions about that too. Anyways.. I noticed that these laptops have both LVDS and eDP displays, the LVDS I don't think will work with the 10 series cards. (The newer ones having the eDP displays.) Are there any known restrictions that I missed with installing a GTX 980m into this laptop? Another thing I had, is it possible to disable the onboard graphics? Are the thermal pads 1.5 MM?
     
  10. Aaron44126

    Aaron44126 Notebook Prophet

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    I believe there are three GPU heatsink variations for the M6800; one AMD and two NVIDIA. The more common NVIDIA heatsink has a piece that "juts out" by the VRMs on the card and it will not fit Maxwell cards because it actually hits one of the VRMs on these cards (the placement has changed a bit since Kepler to make room for one extra one). The less common NVIDIA heatsink is basically flat on the side that touches the card and will work fine. You'll need to either source that one (the part number is the same so you have to rely on pictures — what you are looking for is an unobstructed/flat "L-shaped" bit of copper on the side away from the heat pipes). Or, use a dremel or something to cut off the offending bit on the more common one.

    Yes, you can disable the Intel graphics, just turn graphics switching off in the BIOS.
     
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