Problems with GPU upgrade in M18X R1

Discussion in 'Alienware 18 and M18x' started by razor0601, Jun 19, 2021.

  1. razor0601

    razor0601 Notebook Evangelist

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    Now I have an M18X R1 laying around here with GTX 580m SLI. Slave card is dead. So I thought it would be easy to install to a newer generation GPU with unlocked Bios in SG-Mode. I tried 2x 870m MSI, 1x 870m Clevo, 1x 780m MSI and an Alienware 770m. But no luck with all the cards. The stuck at the Alienware Boot up Logo. The only card that is working is an old MSI 670mx. Do I need another VBios for the cards?
     
  2. Azther

    Azther Notebook Consultant

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    SG mode only works with 1 gpu, my r1 has a single 780m running in PEG mode. the vbios on mine is 80.04.B3.00.10 which if the boot screen is any indication its a custom vbios from techinferno
     
  3. razor0601

    razor0601 Notebook Evangelist

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    Ok, I think it was not clearly. I tried every card and only one in the master MXM slot. So I never tried PEG SLI.
    I will try your VBios for my 780m.
     
  4. Azther

    Azther Notebook Consultant

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    yeah i decided to not go SLI after one of my 580m's started failing, felt like it was more hassle then its worth considering SLI support has been fazed out over time, the 780m alone puts the 580m SLI combo to shame
     
  5. Maxware79

    Maxware79 Alienware died in 2014

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    Does the BIOS show that the discrete card is recognised? It could be a vBIOS issue but usually the system will still boot but you just get a code 43 when the driver is installed.
     
  6. razor0601

    razor0601 Notebook Evangelist

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    so I tried your VBios. Still no luck. Hangs on bootscreen
     
  7. razor0601

    razor0601 Notebook Evangelist

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    I can‘t go into Bios. It Stopps at the Alien Head
     
  8. razor0601

    razor0601 Notebook Evangelist

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    So I tried all the cards in PEG. And what to say, they all runs in PEG but not in SG. But why? Does someone know?
     
  9. razor0601

    razor0601 Notebook Evangelist

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    Now often I got a 1 beep error at startup with all 7xx and 8xx cards. Sometimes the cards are working but often not. So do I maybe have to flash the newest original Bios?
     
  10. nforce4max

    nforce4max Notebook Consultant

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    Push come to shove you could try a Quadro K series card and chances are that it would likely work though they are slower cards they do come with some benefits mainly the drivers just install on their own and no audio issues ect.
     
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