Installed pop os with a usb stick but my laptop (Thinkpad L440) won't boot from the ssd. Secure boot is disabled, the installation works on an older thinkpad T520 and on my
Original For Lenovo L440 Usb Board Audio Board L440 Los-1 12863-2 48.4lg05.021 Pn 0c54883 Fru 04x4821 Tested Good Free - Internal Memory Card Readers - AliExpress
How to Enter BIOS Change Boot order and secure boot Lenovo Thinkpad E560 - YouTube