Screen With No Image: Why the Monitor Shows Nothing
Fix the most common video problems when the monitor shows no image after turning on the PC.
The monitor is on (the indicator light is active) but shows nothing, or says "no signal" — this is different from the whole PC giving no image at all, here we focus specifically on the monitor itself.
1. "No signal" with the light on
The monitor works but is not receiving data — confirm the selected input (HDMI, DisplayPort) matches the cable actually connected, and that the PC is on and sending a signal.
2. Completely black screen with no message at all
Try the monitor's own controls (brightness, contrast) — sometimes they get accidentally set to extreme values that make it look like there is no image when there actually is one, just invisible.
3. Confirm it isn't the monitor itself
Connect it to another device you know works (another PC, a laptop). If it shows nothing there either, the problem is with the monitor itself — its panel or its internal electronics.
Tip: many monitors have a "factory reset" option in their own menu — useful if you suspect an accidental setting (not a genuine fault) is the cause.
Frequently asked questions
How is this different from the PC giving no image?
Here the problem may be specifically in the monitor (its settings, its controls, or a physical fault of its own), not necessarily the PC — checking with another device helps tell them apart.
Can wrongly set brightness make it look like there's no image?
Yes, brightness or contrast accidentally taken to an extreme can make the screen look completely black even though it is receiving a signal — it is worth checking the monitor's own controls.