Problem With Disabling Secure Boot

[srsalim1918]

I installed Phoinex OS as second OS on my laptop. I cond not fiend it on after restart then i saw a video in youtube and tried to fix it . It was not still working . Then someone told me to disable secure boot option from BIOS. There I saw the option was in black color and it was not being selected then again in youtube i saw a video and added a password in bios. But still it did not fix. Secure boot option was still in Black color and i was unable to select it in order to diable it. Someone help me plzz.😔

[WAWood · Accepted solution]

@srsalim1918 

Not clear from your post what is the nature of the current problem ...

Since your PC came preloaded with Win10, if it is less than a year old, that Windows came preinstalled in UEFI mode, with GPT formatting used on the drive, by default.

When you disabled Secure Boot to install a non-Windows OS, it might have then changed the boot to Legacy mode -- for the installation.  But when you rebooted, it was probably back in UEFI mode, and it would then NOT be able to see the other OS.

With modern UEFI'/GPT PCs, there is a LOT of work needed to successfully install a non-Windows OS without messing up the PC.

Your best bet, since HP does not provide non-Windows OS support, if to contact the support forum for the OS you installed and see what they suggest.