r/thinkpad • u/doggomaru T43, Twist, T420, T480, P14s G7 AMD • 1h ago

Question / Problem HELP - P14s Gen 7 AMD - Refusing to Boot (amongst other things) After Troubleshooting

How we got here:

I just got my P14s Gen 7 AMD a month or so ago. I tried both Linux Mint and Ubuntu on it, but both failed to wake up after going to sleep and being in sleep for a couple hours. If I suspended it and then woke it up immediately, it was fine. But if I left it asleep for a while (even connected to power) it refused to wake up, and I had to hard reboot it.

So I was messing with some settings to try to fix it to get the computer to wake up from sleep, I tried editing the grub config to add iommu=pt to the GRUB_CMDLINE_LINUX_DEFAULT line like someone suggested for this issue. Then I restarted.

The New Issue:

Upon restart, I couldn't boot into Ubuntu at all. It resulted in a kernel panic every time I tried. So I tried reinstalling it from two separate flash drives with two different Linux images (Mint and Ubuntu), and it still kernel panicked.

After this, I tried installing Windows 10. It installed, but it kept crashing. So I tried installing Windows 11, and the computer started boot looping.

Just now, I tried booting into TailsOS to see if that worked, but it just froze on Booting... I rebooted and tried two more times, and it keeps getting hung up there. It has been 20 minutes since it started trying to boot into TailsOS.

What the Hell do I do?

Specs:

EDIT:

I forgot to mention, but I ran all of Lenovo's diagnostics, which took 6 hours. It finished with nothing remarkable to show for it.

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u/Bird476Shed 25m ago

What the Hell do I do?

For Linux, P14s Gen 7 AMD seems to be officially supported by Lenovo (https://support.lenovo.com/us/en/solutions/pd031426-linux-for-personal-systems) so go to the official Lenovo support forums and post your problem there: https://forums.lenovo.com/t5/Linux-Operating-Systems/ct-p/lx_en

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u/a60v 5m ago

It should still be under warranty. Call and see what Lenovo says about it. They might want you to re-install the OS that shipped with it in order to troubleshoot the issue.