Why does my probook 4530s screen flash

[Andre_84]

Hello,
my laptop screen flashes on and off for a second or so every so often, it has never done this before. What can I do to correct. It is not a virus( I think)

 

[ksiemb]

Hello,
my laptop screen flashes on and off for a second or so every so often, it has never done this before. What can I do to correct. It is not a virus( I think)

Loose connection from screen to MOBO ? (Happens after much opening closing of laptop)

 

[Brett928S2]

Hi

Or the Inverter is failing...

All the best Brett