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I tried to upgrade my existing 4GB RAM with 8GB RAM sticks on my Asus Aspire 5733z, however when I try to start up it goes straight to the GRUB menu and won't let me boot Ubuntu. I tried two different slots and a different RAM stick, but it didn't work.

When I put back the old 4GB sticks and boot it prints a string of repetitive errors as shown below. After that it boots to Ubuntu like normal.

boot messages

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    Have you validated your memory 'new' sticks (ie. run memtest86). Before I trust new hardware I test before I try and booting something I do care about...
    – guiverc
    Commented Dec 13, 2019 at 1:03
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    status please...
    – heynnema
    Commented Dec 13, 2019 at 17:33
  • status please...
    – heynnema
    Commented Dec 16, 2019 at 15:39

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  1. For 18.04 or newer... lets fix your file system...

    • boot to a Ubuntu Live DVD/USB
    • open a terminal window by pressing Ctrl+Alt+T
    • type sudo fdisk -l
    • identify the /dev/sdXX device name for your "Linux Filesystem"
    • type sudo fsck -f /dev/sdXX, replacing sdXX with the number you found earlier
    • repeat the fsck command if there were errors
    • type reboot
  1. Go to https://www.memtest86.com/ and download/run their free memtest to test your memory. Get at least one complete pass of all the 4/4 tests to confirm good memory. This may take many hours to complete.
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