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After adding an SSD to my Dell Inspirion 5530, installing Ubuntu 20 on it and booting from it, suspend doesn't seem to work anymore. Either closing the lid, or running sudo systemctl susped would result in screen and keyboard going blank, but the fans noticeably keep working and the laptop keeps being warm.

I tried the following without success:

  1. Updated /etc/systemd/logind.conf values to suspend per this
  2. Disabled "Wireless Radio Control", "Trusted Execution" and "Intel Software Guard Extensions" in BIOS per this
  3. Upgraded kernel to 5.6.19 per this

Nothing helped so far. Any help would be appreciated.

P.S. Log info:

12
  • Did you ADD an SSD, or REPLACE an existing HDD with a SSD?
    – heynnema
    Sep 28, 2020 at 19:42
  • I added an SSD, and made it the bootable device (while leaving the HDD in place and reformatting it) Sep 28, 2020 at 20:05
  • Edit your question and show me sudo blkid and cat /etc/fstab and cat /etc/initramfs-tools/conf.d/resume and free -h and swapon -s. When you're done, start comments to me with @heynnema so I get notified.
    – heynnema
    Sep 28, 2020 at 20:25
  • @heynnema added Sep 28, 2020 at 20:38
  • Thanks. It all looks good so far. Show me sudo dmidecode -s bios-version.
    – heynnema
    Sep 28, 2020 at 20:39

2 Answers 2

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This seems to be related to a kernel version that needs updating as answered in this thread

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  • I tried updating the kernel version to 5.6.19, unfortunately that didn't help Oct 19, 2020 at 14:53
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I would check the BIOS settings. I had such problem because in BIOS I had ACPI suspend type: suspend disabled

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