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I have tried to install Ubuntu 18.04 LTS on a Acer Aspire 5750G laptop, several times. Until now I have successfully installed the OS two times, only to have it crash after a period of approximately two weeks. What happens when it crashes is either one of the following:

  • I get to the Ubuntu login screen, but after entering my password the screen simply remains dark. If I choose Weyland instead, the screen goes dark for a few seconds until it returns to the login screen.
  • When the laptop is booting, I get several error messages. Unfortunately I dont have a screenshot of the messages.

Now when I try to install Ubuntu 18.04 LTS from USB, I get the following messages:

enter image description here

So it won't even let me reinstall Ubuntu again. It seems I was just lucky the two other times where I succeeded installing Ubuntu. One time it seemed that simply changing the USB port, allowed me to install the OS.

Reading about similar problems, I suspect it has something to do with the dedicated Nvidia GPU. Last time Ubuntu worked for me on the laptop, I made sure that I was using the integrated graphics.

Specifications:

  • Intel (R) Core (TM) i5-2410M CPU @ 2.30GHz
  • Nvidia Corporation GF108M [GeForce GT 540M]
  • System BIOS version: v1.07
  • VGA BIOS version: Intel v2098
  • VGA BIOS version (PEG): nVidia N12P-GS VER70.08.3C.00.19
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  • Have you installed the Nvidia drivers?
    – user931000
    Commented Dec 2, 2019 at 11:11
  • Yes, I tried to install it using this guide: linuxbabe.com/ubuntu/install-nvidia-driver-ubuntu-18-04. I used the proprietary, tested.
    – LUPINE
    Commented Dec 2, 2019 at 11:56
  • And have you disabled Secure Boot in UEFI settings? The problem is it prevents Nvidia drivers from loading even if correctly and successfully installed. Users need to either disable Secure Boot (easy) or keep it and then use a tool to sign the Nvidia drivers (expert level).
    – user931000
    Commented Dec 2, 2019 at 12:03
  • In BIOS there's no option to disable Secure Boot. I assume the laptop doesn't support it. I even tried to update the BIOS to see if that helped, but it still didn't give me the option to disable. So the next step is to sign the Nvidia drivers?
    – LUPINE
    Commented Dec 2, 2019 at 17:46
  • Does it have something related to CSM/Legacy? If so first disable that option to assure the installer is booting in UEFI mode (with Legacy enabled, Secure Boot makes no sense so perhapds that's the reason why in a reasonably modern and definitely UEFI machine such option isn't available -or- you aren't seeing it).
    – user931000
    Commented Dec 2, 2019 at 17:49

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