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Power & startup

Computer Has Power but No Display

Lights or fans are active, but the screen remains blank.

Safe first check

What you can do now

Check the display brightness and one known-good cable if an external display is used. Stop if the computer becomes unusually hot.

What the symptom can mean

This can come from a setting, connection, software, storage, power, or another component. Recent changes and the pattern you notice can help narrow it down without risking important files.

Helpful details to notice before your appointment

  • When the problem started
  • The exact message or behavior
  • What changed immediately beforehand
  • Whether important files are backed up