Can shaking a monitor damage it?
Unlikely, most damage is due to impacts.
Can a computer damage a monitor?
Can a PC damage a monitor ? It is possible. Each monitor/TV has a range of vertical/horizontal frequency that works for it. If your PC sends signal outside those boundaries it could potentially damage the monitor.
How do I know if my monitor is broken?
Most commonly, when a monitor goes bad, it simply won't turn on and appears completely black. If the monitor glows a faint green, or you receive a blue screen, that means there's another hardware or software issue. Some people have fears that monitors will explode when they go bad.
Can a GPU fry a monitor?
A GPU can't fry a monitor.