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 complete01Ensure display cable is plugged into the discrete GPU, not motherboard
- Ensure display cable is plugged into the discrete GPU, not motherboard
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.
02Reseat the graphics card in the primary PCIe x16 slot
- Reseat the graphics card in the primary PCIe x16 slot
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.
03Unplug all non-essential USB devices and restart
- Unplug all non-essential USB devices and restart
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.
04Perform a CMOS reset to clear hardware mapping
- Perform a CMOS reset to clear hardware mapping
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
- Incorrect display output connection or cable
- Graphics card not fully seated in the PCIe slot
- Conflicting external USB or SATA storage devices
- Corrupt BIOS settings or outdated firmware
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