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Title almost says it all. All is well when the laptop is plugged in but fails to boot when running on battery power. After selecting Ubuntu in the Grub menu the laptop never gets to the login screen and freezes with a black screen. Sometimes I see a screen full of garbage and then a frozen black screen. Fans running full speed. I use acpi=off in Grub because without it, the machine won't even boot when plugged in.

This is a dual boot system and Windows 10 boots and works just fine.

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    Check for Lenovo firmware updates, and with the latest, you can probably get rid of the acpi=off. Then things should be better. – ubfan1 Jun 28 at 23:00
  • Turn off fastboot in Bios if you can. Sometimes that can mess things up as well. Lots and lots of Lenovo power/sleep/suspend/battery issues on this forum. – walttheboss Jun 29 at 1:51
  • The latest BIOS is installed and fastboot is disabled. – Paul Ciosek Jun 29 at 3:14
  • Have you tried asking Lenovo support? They've recently said they'll support Linux much more than they did in the past. – DK Bose Jun 29 at 4:11
  • Can you post a link to a Lenovo site that makes this claim? The laptop did not come with Linux preinstalled. I don't think this is their problem. Is there anyone else out there with similar problems? – Paul Ciosek Jun 29 at 4:22
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i have same issue (sorry but i can't post comment) only on HP 255 G7 with Ryzen 5 3500U. dmesg shows that driver is not loading properly when on battery. The PC actually boots to OS, but desktop is not displaying correctly. I can switch to console and back normally. looks to me it's a driver or OS issue. I can boot with charger in and then i can unplug the charger and behaviour on battery (so far) is normal.

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