Save open work and back up important files. Use instructions for your exact device and software version. If Windows cannot start, see the startup guide.
Work through these checks
0 of 4 complete01Flash motherboard BIOS to latest using Flashback USB
- Flash motherboard BIOS to latest using Flashback USB
Check whether the original symptom still occurs.
If it does not helpContinue only if this check applies to your device. Consult its manufacturer if you are unsure.
02Install a supported older CPU to update BIOS first
- Install a supported older CPU to update BIOS first
Check whether the original symptom still occurs.
If it does not helpContinue only if this check applies to your device. Consult its manufacturer if you are unsure.
03Inspect motherboard socket pins for bent contacts
- Inspect motherboard socket pins for bent contacts
Check whether the original symptom still occurs.
If it does not helpContinue only if this check applies to your device. Consult its manufacturer if you are unsure.
04Clear CMOS memory to reset CPU parameters
- Clear CMOS memory to reset CPU parameters
Check whether the original symptom still occurs.
If it does not helpContinue only if this check applies to your device. Consult its manufacturer if you are unsure.
Possible causes
- Outdated motherboard BIOS firmware version
- Physical mismatch in CPU socket or generation support
- Bent contacts or socket pins in motherboard socket
- Faulty CPU memory controller channel
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