First things off, there is always a possibility that the device is damaged and would be unrepairable. But still, you can attempt next actions:
Check the drive configuration in the BIOS
Check how to enter the BIOS of your motherboard with the manufacturer information (sometimes is DEL key repeatedly, F2, or DEL keys depending on the manufacturer)
Inside the BIOS locate the Storage or Drive settings and ensure that the drive is correctly configured as UEFI or EFI, and check Secure Boot is enabled or disabled depending on your working configuration
Use the Startup Repair.
During boot, press repeatedly F8 (or hold Shift + repeatedly F8, depending on some BIOS) to enter the Repair mode.
Then Select Advanced Options and Startup Repair
Then Windows will attempt to repair the boot system on the system drive
Manually rebuild BCD
Following the same steps before to access the repair mode, find and open the option for "Command Prompt"
Then run in sequence:
The process will fix and rebuild corrupted data on your boot partition.
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