How can an M2 undetected by the BIOS be detected by Windows 10?

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  1. Posts : 1,039
    windows 10
       #21

    I saw bios image of your computer reference, by default it seems to be on "optane with raid"

    It's hidden in the bios. Follow the video that I indicated. Before doing ctrl+s you must set a password for the bios, exit the bios and reenter.

    You can also under windows go to device manager and expand "storage controllers", you will see if it is raid or ahci.
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  2. Posts : 22,723
    Win 10 Home ♦♦♦19045.4046 (x64) [22H2]
       #22

    @Lordubu


    That BIOS is really weird.
    The Advanced tab and the Boot tab should have tons of stuff on there.


    For example...

    How can an M2 undetected by the BIOS be detected by Windows 10?-image1.png


    How can an M2 undetected by the BIOS be detected by Windows 10?-image1.png
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  3. Posts : 4,445
    several
       #23

    it might show up if you change the sata mode to ahci like in the video.
    Last edited by SIW2; 26 Mar 2023 at 18:45.
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  4. Posts : 2,147
    Windows 10 Pro 64-bit v22H2
       #24

    Ghot said:
    @Lordubu

    That BIOS is really weird.
    The Advanced tab and the Boot tab should have tons of stuff on there.
    At least this Acer Nitro 5 allows you to install one 2.5-inch drive + two M.2 drives. My Acer Swift 3 only allows me to to install one M.2 SSD. It came with an M.2 SATA SSD. I can't even get Acer to tell me whether the M.2 port supports both SATA and NVME SSDs.

    Why what do you expect more from an Acer laptop BIOS menu? The screenshot below for my laptop doesn't show much more in the advanced tab. It shows two SATA ports even though my computer only has one M.2 SATA SSD.
    Attached Thumbnails Attached Thumbnails How can an M2 undetected by the BIOS be detected by Windows 10?-20230326_173104a.jpg   How can an M2 undetected by the BIOS be detected by Windows 10?-20230326_173135a.jpg  
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  5. Posts : 4
    w10
       #25

    Not sure if this is the issue but i found that some new computers use Volume Management Device (VMD) technology in BIOS it is not visible but in windows it works fine.

    Another possibility is that windows has a driver installed or perhaps downloaded in order to allow the drive to be visible in windows.
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  6. Posts : 13
    Windows 10
    Thread Starter
       #26

    The guy on that 11 months old YT video has answered really fast.

    My question: Hi! I've just installed two disks on a Nitro 5 and only one of them is showing in the BIOS, just like what happened to you at 9:30 . All disks show up in Windows though (which shouldn't be possible...). I'm curious, did you ever manage to make all the disks show up in the BIOS or does this BIOS just have a bug? Thanks.

    His answer: Hello thanks for watching. I did get them to show up once I reseated the ribbon cable. Maybe just double check that. Perhaps it was connected a little weak and didn't show in bios then was detected after bios. hope that helps!

    So apparently the problem might be down to just a cable that isn't properly connected.. But I don't think I want to deal with that incredibly small and fiddly miniature connection any time soon. Maybe when/if I buy a bigger (2TB) SATA 2.5 inch drive. I've installed a 500GB drive because that's what I had lying around in some drawer.

    I think this BIOS will accept a 2TB drive, right?
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  7. Posts : 2,147
    Windows 10 Pro 64-bit v22H2
       #27

    Lordubu said:
    So apparently the problem might be down to just a cable that isn't properly connected.. But I don't think I want to deal with that incredibly small and fiddly miniature connection any time soon. Maybe when/if I buy a bigger (2TB) SATA 2.5 inch drive. I've installed a 500GB drive because that's what I had lying around in some drawer.

    I think this BIOS will accept a 2TB drive, right?
    Amazon has a Question/Answer section for the products it sells. For Acer products an official Acer rep sometimes answers these questions. Someone asked what the largest SSD one can install in the Acer Nitro 5. It got no responses from anyone.

    BTW, after I bought my Acer Swift 3 I asked that same question on Amazon. That time I did get a response from the official Acer rep. He was either non-committal or didn't know.

    I have found that technical information for Acer computers is impossible to come by anywhere. One time I called Acer support and asked what is the largest SSD my computer could support. They were clueless and didn't know anything technical about the computers they sell. I asked if there was someone there who could answer the question but was told there wasn't.

    I guess the only way you are going to find out is try a larger SSD yourself. Whatever the outcome you could share the results.
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  8. Posts : 4
    w10
       #28

    @Lordubu
    > I think this BIOS will accept a 2TB drive, right?

    I'm 99% sure that it will accept the drive as most BIOS will accept but just to make sure check the Manufacturer;s website or user manual.

    - - - Updated - - -

    you could check out compatibility here at crucial website
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  9. Posts : 13
    Windows 10
    Thread Starter
       #29

    My new M2 (Lexar 2TB) has arrived and I've opened the laptop for the third time (yes, I like to live dangerously!).
    a) I've swapped the 500GB M2 I had initially installed for the new Lexar 2TB M2
    b) I've disconnected and reconnected the 2.5" 500GB SSD that I had initially also installed, and which was not recognised by the BIOS (although it showed up in Win10)
    - - - - -
    The results:
    1) all three disks are now recognised by the BIOS
    2) the BIOS has decided to change the order in which it shows the disks
    - the factory installed M2 is now HDD0 (it was previously HDD1)
    - the new 2TB M2 is now HDD1 (the 500GB M2 that was previously in the same slot was HDD2)
    - the previously undetected 2.5" 500GB SSD is now HDD2 (it was previously a vacant HDD0)
    - - - - -
    After these changes:
    The first time I started the laptop nothing happened
    I switched it off, restarted it, went to the boot menu and chose Windoes Boot
    The laptop then showed some of those questions that it shows when you install Windows from scratch (Do you want to connect to your phone? Do you want OneDrive? etc)
    My heart missed some beats as I thought it was somehow reinstalling Windows, but it only asked some five or six questions and then went into Win10, which was exactly as I had already installed it.
    - - - - -
    PROBLEM: The factory-installed M2 now runs at a temperature of between 44ºC and 48ºC when the laptop is IDLE... I think it was some 4-8 degrees cooler before these last changes. Which brings me to my other problem
    No NitroSense, no CoolBoost, no fan control
    a different thread that I have going on in the Acer Community Forum / Nitro And Aspire Gaming
    Attached Thumbnails Attached Thumbnails How can an M2 undetected by the BIOS be detected by Windows 10?-20230406-biosb.jpg   How can an M2 undetected by the BIOS be detected by Windows 10?-20230406-biosc.jpg   How can an M2 undetected by the BIOS be detected by Windows 10?-20230406-biosd.jpg  
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  10. Posts : 1,039
    windows 10
       #30

    Nothing alarming for me, try other temperature control software.
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