Why this is happening ?

[simonandre60]

Hello Guys..
sometimes my PC won't start and a black screen and the top corner is showing and - mark ..

Why this is happening ?

and after restarting two or three times ,it get back to normal
is this happen with others too..

 

[Ghostman 1]

This can be a number of things, Hard drive going bad to video card going out...Check all your plugins.. Are there any errors?

 

[Big B]

When you say the system won't start, could you clarify? Is it not powering on (going through POST with the usual beeps) or are you not getting to the desktop?