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Thread: Ubuntu does not detect 2nd HDD (Acer Aspire 3)

  1. #1
    Join Date
    Apr 2011
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    2

    Ubuntu does not detect 2nd HDD (Acer Aspire 3)

    Installing Ubuntu 20.04 (U20). Laptop: Acer Aspire 3, model # A315-56. Laptop comes with 2 disks:
    Disk1: 256GB SSD
    Disk2: 1TB HDD


    Laptop has Win10 on Disk1. Disk2 is empty.


    First attempt to install U20 on laptop was not successful due to:
    https://discourse.ubuntu.com/t/ubunt...-enabled/15347


    After following the steps there, U20 finally detected Disk1/SSD and I was able to install Ubuntu on it.


    However, the second drive i.e. Disk2, remains hidden to Ubuntu. This disk is not found by lsblk, fdisk, lshw... nothing.


    But logging out (from U20) and logging in to Win10, it is there, appearing as a huge 1TB empty hard disk.


    Is there a step I missed to get U20 to detect this second HDD?

  2. #2
    Join Date
    May 2013
    Location
    Galiza
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    3,641
    Distro
    Ubuntu

    Re: Ubuntu does not detect 2nd HDD (Acer Aspire 3)

    Quoting from your own link:
    • Turning RST off completely in BIOS.
    • Changing the storage controller protocol from RST to Advanced Host Controller Interface (AHCI).
    This ^^^ is the general recommendation. Did you change the mode to AHCI? Don't forget to install AHCI support in Windows before this change. That done Windows should be booting and working as good as before and all your drives will be visible and usable in Ubuntu.

    This should be all, really.

  3. #3
    Join Date
    Jun 2009
    Location
    SW Forida
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    Hidden!
    Distro
    Ubuntu

    Re: Ubuntu does not detect 2nd HDD (Acer Aspire 3)

    Does gparted show drive?
    If drive gpt partitioned or totally blank, like a new drive?

    Acer Aspire A315-53-386P remove RAID from drive
    https://askubuntu.com/questions/1167...n-the-installa

    Issues most common by brand and then if Intel or AMD. So similar models will have same types of issues.
    Acer Aspire 5 Model A515-54-5649 Intel Core i5-10210U Install Tutorial
    https://ubuntuforums.org/showthread.php?t=2437702
    Acer Aspire E15 will not dual boot, many details Trust settings in step 35
    http://askubuntu.com/questions/62741...-not-dual-boot
    Acer Nitro 7 Missing AHCI mode Ctrl + S in UEFI
    https://ubuntuforums.org/showthread....9#post13900969
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

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