Monitor problem
The problem: the various letters that appear on the screen dark, hazy.
Cause: the brightness control is not adjusted appropriately.
The solution: adjust the brightness control that is on the screen.
The problem: the screen is blank.
Cause: the cable that connects the monitor to the computer it still loose or not plugged in the monitor.
The solution: plug it in and make sure that the slot the monitor is connected to your computer properly and tight enough.