The answer may vary with your computer operating system and the version of that system.
In Windows 7, to turn on a screen saver password, go to
Control Panel
then Hardware and Sound
then Power Options\System Settings
under Password protection, you'll probably have to click : "Change settings currently unavailable", then click the little circle next to "Require a password"
and the "Save changes" button.
Control Panel\User Accounts and Family Safety\User Accounts
A computer monitor screen cover will provde some protection.
most likely
Well, first of all the Blue Screen of Death is not a disease for your computer. It itself is actually a symptom of a disease on your computer. Just like the human body can raise its temperature to fight a cold, the Blue Screen of Death activates to protect your computer from any harm to its more vital information. The Blue Screen of Death really doesn't cause death (It's official name is "Stop Screen"). It is a tool to protect your computer from harm and to provide an explanation for the disease or error that the computer encountered.
https://discussions.apple.com/thread/5011311?start=0&tstart=0
Directly screen resolution has no significant effect on eyes, so use the highest available resolution to enjoy the most. But there are many other factors like screen brightness, screen position and many other that have serious impact on eyes. To have a clear picture about screen's impacts of eyes read this research. www.technologystation.net/2012/05/protect-eyes-from-computer-screen.html)
Because the computer screen works like a tv screen
Is your computer screen plugged in? Make sure your computer screen is properly connected to your computer.
can you see your self on computer screen.
OK so you see a screen and there is a keyboard in front of it that is a COMPUTER! You turn on the screen and you got on a computer!
Screen - noun (as in computer screen): écran
The purpose of a computer screen magnifier is to enable the visually impaired to see the writing and detail on their computer screen. It is a piece of software that works like a magnifying glass.