I downgraded back to the kernel 6.8.0-48-generic as @Bast1aan mentioned. However, it still doesn't work. My laptop is Dell, not Lenovo.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2090609 Title: laptop cannot go to suspend mode To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-6.8/+bug/2090609/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs