System recovery unable to detect display

4.5

The PC enters recovery but the screen remains black or shows "No Signal".

Symptoms
  • Black screen
  • Monitor goes to sleep
  • Backlight only
Possible Causes
  • Incompatible resolution
  • Wrong video output
  • Missing GPU drivers

Step-by-Step Fix

1

Use External Monitor

Connect a monitor via HDMI to see if the image is being sent there.

2

Low Resolution Mode

Try to trigger "Enable Low-Resolution Video" from the Startup Settings menu.

3

Check Brightness

Sometimes recovery defaults to 0% brightness; try the brightness keys.

When to See a Technician

If you have a dedicated GPU, try plugging the monitor into the motherboard port instead.

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