I already tried the old drive, too. Please just read my posts before suggesting things I already did, okay? Also the drives both work fine, as I, once again, stated in my original post. No need to reinstall. I fixed the issue by unplugging battery, RAM and the CMOS battery for about 10 minutes.Everything is back to normal now.
Hello, we have an "old" Latitude 5491 here, in which I tried to swap the SSD.It had an M.2 SSD before, and I wanted to upgrade to a bigger SATA 2,5" one. The drives were cloned by CloneZilla, which worked completely fine (verified by another laptop booting from the new drive). After cloning, I uninstalled the M.2 mounting kit and installed the new drive using the 2,5" kit (cable + mounting frame). Now, when booting, the laptop stalls for about 30 seconds to then tell me "No bootable devices found; F1 to retry boot; F2 to open setup; ...". I looked into the UEFI, where all boot options are empty. Pressing F12 on boot (Boot device override) opens the menu, but there are no devices in it. Booting from a linux live USB finds the drive no problem though, so I created a boot menu entry from there (Pressing "Add Boot Option" in the UEFI only gives me "No File System Found"). Booting the new Boot entry also stalls for ~30 seconds before giving "No bootable devices found; F1 to...". I then decided to get the Laptop back into a temporarily working state by reinstalling the old SSD.This didn't work either, giving me the same Message on boot. Resetting the UEFI didn't help either, and I still can't add boot options in the UEFI. Any tips on what to try next? ThanksMika
"No bootable devices found" on Latitude 5491