Weird computer monitor problem

[moltuae]

Originally Posted by HPsauce

What does that imply now?

Probably a slight crack in a solder joint somewhere. Expansion will be re-establishing a connection as it warms. To pinpoint the exact component you'll need to apply heat/cold more precisely, one component at a time, or you could try applying a little pressure. Use something like a rubber-ended pencil or something long and plastic -- fingers and metallic objects can affect such sensitive signals, giving inconsistent results.