I cant install my windows 11 pro.

First verify and enable BIOS settings (TPM & Secure Boot)

i) Power on your laptop and press F2 repeatedly during boot to enter BIOS setup.

ii) Navigate to security tab: enable PTT, if you see TPM or Security Device ensure its version 2.0

iii) Go to Boot tab: set Boot Mode to UEFI, enable Secure Boot

iv) Optionally, update BIOS for better windows 11 stability: download the BIOS update from Lenovo's site, use the BIOS flash utility.

v) Save changes and exit

Second create windows 11 pro bootable USB

i) On another PC, go to Microsoft website: download windows 11

ii) Under "Create Windows 11 Installation Media" select Download Now

iii) Run the tool: select USB Flash drive (rufus), choose windows 11 pro (if prompted; otherwise, select edition during install). Insert your USB and follow prompts-it will download and make the drive bootable.

iv) Safely eject the USB.

Third Download Lenovo-specific drivers

i) Go to Lenovo support page for LOQ15IAX9: Drivers & Software

ii) Select windows 11 (64bit) and download in order of priority: intel RST/VMD Drive, Realtek/Intel WLAN Driver, Chipset Driver, Graphic Driver, Audio, LAN and others.

iii) Extract .exe files if needed to get .inf files for leading during install

iv) Also download Lenovo Vantage post install for automatic updates.

Fourth Boot from USB and Install Windows 11 pro

i) Insert the bootable USB

ii) Restart and press F12 (or Fn + F12) to enter Boot Menu. Select the USB HDD, if not listed, re-enter BIOS (F2) > boot tab > set USB as first boot device.

iii) The windows setup will load: select language/time > install now, enter your pro product key (or skip and activate later). Accept license > choose custom: install windows only for clean install.

iv) At "where do you want to install windows?" if drivers aren't detected click load drivers: insert the drivers USB. Browse to the Intel RTS folder > select the .inf file > ok. Drivers should appear. Delete existing partitions if any

v) Installation begins may restart multiple times.

vi) After setup you can do the rest