Hard drive is not detected during os installation

[yuvash449]

I tried to change my hdd from mbr to gpt using minitool partition wizard. After completing my laptop isnt opening. So I tried to reinstall the os but during installation no partitions are found to install the os..
Please help me with this problem

 

[CountMike]

Is BIOS set to Legacy or UEFI mode ?

 

[yuvash449]

Is BIOS set to Legacy or UEFI mode ?

Initially it was in legacy mode. After I disabled the legacy boot but don't know how to enable uefi mode

 

[CountMike]

It's in BIOS, also check for CSM (Compatibility Support Module) https://superuser.com/questions/857117/what-is-csm-option
https://www.top-password.com/knowledge/disable-UEFI-enable-legacy-support.html