If your Windows 11/10 PC won't boot after upgrading or installing a new SSD, check the boot order. The solutions provided here will help you fix this issue.

With an old laptop, I cloned the OS HD to an SSD with Macrium Reflect, both harddrives are mounted inside the laptop. When I enter the BIOS, I wanted to select the SSD as the first boot choice ...

Read: Hard Drive not showing up on Boot Menu in Windows Those were a few ways to fix hard disks or partitions not detected when installing Windows 11.

However, the USB drive doesn't show up in the boot menu. I've disabled Secure Boot, and still nothing. From my research, I've seen other people have had problems AFTER the USB drive is read.

Steam Deck boot loop errors are fairly common, but one fan believes that the issues are linked to the portable's SSD and problems with SteamOS desktop mode ...