Turn on the computer, it's all the lights are normal, but the monitor can not show, encountered such a problem, no longer helpless, the following we look for reasons and solutions.
1, monitor VGA connection loose fall
Many times the monitor cannot be displayed because the connection between the host and the monitor is loose, and then we can get it right.
2. Loose or damaged memory strips
Solution: Use the eraser to wipe the memory strip and plug the memory bar.
3, the main engine short circuit
Solution: Clean the host, and plug the wiring
4, Motherboard BIOS issues
The motherboard BIOS stores important hardware data and may cause the computer to fail to start if it fails.
Workaround: Go to the motherboard BIOS setup interface to restore the BIOS to its default value.
5, CPU problems
Workaround: Replace the CPU
6, CPU overclocking caused the monitor can not show
Workaround: CPU overclocking causes the temperature of the CPU, fan, video card and so on to rise, can cause the monitor not to work correctly, may even burn out the video card.
7, motherboard issues
Problems with the motherboard may also cause the monitor to fail to appear.