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The monitor is not powered by the computer. If there is not Signal to the monitor from the computer there will be no display, however the power to a monitor is supplied by a separate cord from the outlet to the monitor.

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Q: Why won't the monitor power up if the power supply and memory and graphics card are ok?
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What are the basic components of computer or basic features of computer?

Motherboard, Power Supply, GPU (Graphics Processing Unit), CPU (Central Processing Unit), CD Drive, RAM (Random Access Memory), and a Computer Case along with Monitor!


Can you buy a adapter to connect 1 monitor to CPU?

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The power supply and monitor contain enough power to give you a strong shock except when they are unplugged.


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Can you use a graphics card that requires a power supply of 270watts on a machine with a power supply of 250watts?

I believe this would be unwise, it would overload the power supply and it may overheat.


My monitor is purple is it the graphic card.And when i play on a game the monitor goes to standby is the the graphics card to?

Yes, it's the graphics card... Without a shadow of a doubt... That happens because your computer's Power Supplies box is not powerful enough to support your Graphics Card. To solve the problem just remove the Graphics card. Then upgrade your power supplies box.


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Can a 800va UPS load an 550va PSU plus monitor?

Yes, an 800va UPS might power a PC with that size power supply and a monitor. Of course, to be on the safe side, you should use a modern monitor and not a CRT monitor.