Lost the boot partition

So hi, here is the problem: I have windows 10 and pop os on my laptop, with dual boot. recently there was a problem with the third-party operating system selector that it wouldn't show and it directly booted up my windows and it was not a problem. Tonight my windows have downloaded an update and I saw an optional update for my firmware (Bios) and downloaded it. when I restarted my device, both of the updates would start to operate Before the start of the windows. (pardon my poor English) before I did the same with the Asus bios update software and I lost my windows boot partition, leading to a

Question by III_phr on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.