Hardware-virtualisierung Aktivieren Fixed Jun 2026

Bevor Sie Ihr System umkonfigurieren, prüfen Sie schnell den aktuellen Status:

| Problem | Likely Cause | Fix | |---------|--------------|------| | Option greyed out / missing | CPU doesn't support it | Check CPU spec (Intel Celeron/Pentium often lack VT-x) | | Still shows disabled after BIOS change | Fast Boot / Windows Hyper-V conflict | Disable Windows "Core Isolation" / Memory Integrity, or disable Hyper-V if not needed | | VirtualBox shows "VT-x is not available" | Another hypervisor is running | Run bcdedit /set hypervisorlaunchtype off (as admin) then reboot | | Laptop overheats after enabling | Normal for heavy VM use; enable only when needed | Use "Balanced" power plan, ensure proper cooling | hardware-virtualisierung aktivieren