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  1. #1
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    G771JW BIOS not detecting (NVME) M.2 SSD Samsung 960 EVO 250GB

    Hi there,

    I've just installed a Samsung EVO 960 (250GB) PCIe SSD on the M.2 slot of my G771JW and installed Windows 10 on it using a USB Win 10 installation. Up to here, everything fine, the installer detected correctly the SSD, partitioned it and installed Win10 in less than 3 minutes. The problem comes when re-booting: the BIOS (UEFI mode) is unable to detect the SSD.

    I've read quite a lot about this issue and tried all possible BIOS configuration but nothing seems to work. The BIOS never detects the SSD and therefore it is unable to boot from it.

    Is the G771JW SSD boot compatible? Should I give up with the 960 EVO and try previous Samsung models (950?)? Is there something I'm not taking into account?

    Thanks for your help.

  2. #2
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    Quote Originally Posted by guille81 View Post
    Hi there,

    I've just installed a Samsung EVO 960 (250GB) PCIe SSD on the M.2 slot of my G771JW and installed Windows 10 on it using a USB Win 10 installation. Up to here, everything fine, the installer detected correctly the SSD, partitioned it and installed Win10 in less than 3 minutes. The problem comes when re-booting: the BIOS (UEFI mode) is unable to detect the SSD.

    I've read quite a lot about this issue and tried all possible BIOS configuration but nothing seems to work. The BIOS never detects the SSD and therefore it is unable to boot from it.

    Is the G771JW SSD boot compatible? Should I give up with the 960 EVO and try previous Samsung models (950?)? Is there something I'm not taking into account?

    Thanks for your help.
    Anyone with the same problem?

  3. #3
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    Is the latest v211 BIOS revision installed?
    Laptop: Asus G750JZ
    OS: Win10

  4. #4
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    Quote Originally Posted by redduc900 View Post
    Is the latest v211 BIOS revision installed?
    Yes it is.

    After a lot of Google-ing I've found the problem.

    The G771 and G751 BIOS (Up to v211) only support booting from an SSD M.2 AHCI but not from an M.2 NVMe. The 960 EVO is NVMe and that's why the BIOS is not detecting it.

    I'll need to use an SM951 which is AHCI, but Samsung no longer sells them and they're out of stock.

  5. #5
    ROG Guru: Yellow Belt Array
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    If you can make do w/ a 128GB drive, Newegg has the SM951 (AHCI) in stock for only $104.22...

    https://www.neweggbusiness.com/Produ...aA4xoCSTLw_wcB

    Here's a review on it over at Tom's...

    http://www.tomshardware.com/reviews/...b,4119.html#p5
    Laptop: Asus G750JZ
    OS: Win10

  6. #6
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    Lightbulb NVME work on ASUS G771JW

    Hi. G771JW perfectly works with NVME SSD.
    You can mod your BIOS for support NVME SSD.

    I am using this instructions:
    http://www.win-raid.com/t871f16-Guid...Series-up.html

    Screenshot from my note:
    Click image for larger version. 

Name:	G771JW.jpg 
Views:	70 
Size:	591.2 KB 
ID:	62532

    Link to files on GoogleDrive:
    https://drive.google.com/drive/folde...nc?usp=sharing
    AfuDos.zip - flash utility
    Referense.zip - fss NVME files
    AMI Aptio UEFI MMTool v4.50.0.23.rar - BIOS edit
    BACKUP.ROM - original BIOS G771JW.211
    NEW4.rom - BIOS with NVME Support
    Flash.txt - instruction, how to flash mod BIOS

    At your own risk

  7. #7
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    Smile

    Quote Originally Posted by FiXXXer1982 View Post
    Hi. G771JW perfectly works with NVME SSD.
    You can mod your BIOS for support NVME SSD.

    I am using this instructions:
    http://www.win-raid.com/t871f16-Guid...Series-up.html

    Screenshot from my note:
    Click image for larger version. 

Name:	G771JW.jpg 
Views:	70 
Size:	591.2 KB 
ID:	62532

    Link to files on GoogleDrive:
    https://drive.google.com/drive/folde...nc?usp=sharing
    AfuDos.zip - flash utility
    Referense.zip - fss NVME files
    AMI Aptio UEFI MMTool v4.50.0.23.rar - BIOS edit
    BACKUP.ROM - original BIOS G771JW.211
    NEW4.rom - BIOS with NVME Support
    Flash.txt - instruction, how to flash mod BIOS

    At your own risk

    it works very well !! thanks a lot !

  8. #8
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    Good!
    Which SSD did you install on the system?
    Can you do speedtests of your SSD?

  9. #9
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    type, speed

    Quote Originally Posted by FiXXXer1982 View Post
    Good!
    Which SSD did you install on the system?
    Can you do speedtests of your SSD?
    ssd: Samsung PM951 MZVLV256HCHP 256 GB PCI Express Gen3 x4

    Click image for larger version. 

Name:	sm951 256gb m2nvme.jpg 
Views:	176 
Size:	67.7 KB 
ID:	63075

  10. #10
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    Click image for larger version. 

Name:	Intel600P.jpg 
Views:	173 
Size:	84.1 KB 
ID:	63139

    My SSD is not fast

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