Installation and repair
- Windows installation (clean install, correct drivers, activation handover)
- Windows repair without data loss where possible
- Windows boot repair (BCD, MBR/GPT, safe mode, recovery environment)
- Windows troubleshooting: updates, freezes, restart loops
- Blue Screen (BSOD) analysis with dump reading
- BIOS / UEFI troubleshooting: boot order, TPM, Secure Boot, legacy mode