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My computer will not start up, the computer monitor senses the the signal but the actual CPU will not start up. Ive taken off the cover to see if anything was obviously disconnected or broke. Nothing is, and I havent touched anything. Whats going on?

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  • Aleks Dec 18, 2008

    Once you start it, everything turns on except the monitor.I did check on my laptop the monitor works fine,after u connect it on the desktop it says monitor works,check PC or Cable.What can it be?

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Before turning the PC, check in the back of the machine an O/I switch to see if is on and other switch in 110v position. After turning the PC, put your hand in the fan (on the back of the PC) and check if is working. If is not, the power supply of the PC it may be dead and you need to replace it.

Posted on Aug 08, 2008

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Oh geez, you have some work ahead of you.

I would somehow acquire another video card (ask a friend :)). Put that in and see if your computer boots up. If that still doesn't work its either the CPU, or the Motherboard.

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The very first thing I'd do is eliminate the possibility of a bad monitor.

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Do you normally hear a beep when the computer starts? Do you hear it now? If the answer is yes and no, then your computer is not starting up. To troubleshoot, I would suggest opening the case and disconnecting everything but the video, CPU, and memory. See if it starts. (you should get a message about no boot device if this happens)
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Have you tried a different monitor to see what happens? Does the monitor actually say "no signal"?
If it says no signal then make sure the cable is connected from the computer to the monitor securely.
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I think you need to connect the cpu cable with the monitor to start it.

if still your computer turns on without issue, but your computer screen is showing a No Signal message, it could be due to problems in the CMOS, RAM, VGA card, or the cable that connects your CPU to your monitor.

If the cable is a problem. You can get a new one at
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check ur vga card, if it is seperately installed on motherboard.
the other thing that u can do is that;

unplug all the cables of data relavant to hdd, cd, dvd and anyothers and then switch on ur pc. hope it should work if anything is not wrong with the motherboad and ram, including vga

ragards,

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