A black screen is a symptom, not a diagnosis. Start by checking whether the laptop has power, whether Windows responds, and whether another display works. Choose the guide matching what you can actually observe.
Reviewed guidance — 23 August 2026Current diagnostic noteFirst distinguish a blank screen from a visible stop-code error. Check power and display connections, disconnect external…
If the laptop appears to start but the display stays black, first separate a screen problem from a power, Windows, dock, or hardware problem.Before…
A movable pointer on a black screen usually means the display works and Windows has reached part of the sign-in or desktop process.Before you…
Do not assume the update destroyed the laptop. Confirm whether Windows is still completing work, then use reversible recovery options before reset or reinstall.Before…
An external picture proves that the computer and graphics system can produce an image, but the cause may still be display mode, brightness, lid…
A laptop that fails to wake can involve display output, power state, a dock, driver or firmware. Test wake behaviour without changing several power…
Data protection comes before resets, reinstalls or opening the laptop. The safest recovery method depends on whether Windows runs and whether storage encryption is…
Use the problem finder or request human help. Share the exact model, power signs, sounds, recent changes and checks completed—never passwords or recovery keys.
Choose what you are using and the closest symptom. Supportia will take you to a relevant guide—not claim to diagnose hardware from a form.