Monitor Gets No Signal

June 30, 2011 at 16:41:14
Specs: Windows 7
Hey guys, I've got a problem with my monitor/display and I hope it's not a sign of the mobo going bad. My computer all of a sudden decided to freeze up, and upon restart, the monitor won't get a signal, the light stays yellow. All the other components appear to be running fine, all fans spin, and the HDD appears to be running, there's just no display going to the monitor. I've tried two monitors on it also before it froze my cpu went up to a 100 i thought it will burst in flames it happened to me before my game that i was playing got really laggy couldn't move so i removed cpu and put the thermal pasta all ways worked but now when i turned my ps on monitor didn't get any signal could that be cpu or graphic card some one plz need help my cpu is AMD phenom 2 x4 graphic card nvidia geforce

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#1
July 1, 2011 at 01:55:50
When the PC was fine, were you able to hear one short beep at boot up?

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#2
July 1, 2011 at 05:41:19
no nothing like that newer heard a sound or a beep as i said i had to take my fan of because of cpu probs that i had before couple times needed to put the thermal pasta on it cuz it was overheating and this time it went to a 100 i thought it happened again i did it and when i plugged everything back my monitor gets no signal same as my keyboard im not sure if that cpu or graphic card. and also it froze before i turned of the computer

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#3
July 1, 2011 at 05:46:27
Do you mean 100 degrees? Celsius?

Can you try the CPU in another computer?

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#4
July 1, 2011 at 06:15:47
overclocking usual speed is 20 to 40 when i run my comp but when i use allot of graphic card such as playing games or watch a cartoon CPU goes higher and sometimes it gets really bad that it laggs every think that i do so when i put thermal pasta it helps for like 3 -4 mounts and then i have to do the same think so yesterday it happened as normally i take of fan and put some paste when i plugged every think back my monitor didn't got any signal so as my keyboard.

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#5
July 1, 2011 at 06:21:59
and could be the CPU the reason why my monitor dont get any signal or keyboard or its a graphic card that might fail maybe something else who knows maybe some one had that prob before any one.

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#6
July 1, 2011 at 06:26:36
usual speed is 20 to 40

Now you have confused me. Did you mean the temperature is 20 to 40?

Again, try the CPU in another computer if possible.

EDIT: Regarding your last post, if you have integrated GPU, remove the separate graphics card and try with the integrated. What`s your MB model?

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#7
July 1, 2011 at 07:18:12
The computer will turn on, all the fans, lights, drives, and my graphics card will turn on, but the computer won't display anything on the screen. It won't show my BIOS, it wont show anything it says "NO SIGNAL" on the screen. I tested the monitor (working), used different cables (all working), tested the Power Supply (working), the graphics card (working), the CD drive (working) and the Hard Drive (working). The only parts I can't test are the ones I can't test by themselves or in my other computer, which are my Motherboard, CPU, and RAM. I need to know which one it is so I can get a replacement

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#8
July 1, 2011 at 07:58:45
http://www.arcticsilver.com/instruc...

If you applied the thermal paste correctly, I would guess it's the Mobo. Since there is no post, it strongly points to the Mobo. If you're sure the other components are good, especially the psu, I would try a new board.


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#9
July 1, 2011 at 08:20:23
Have you tried your monitor on a different PC? If the monitor works on another computer, then the problem is the video connector on your current PC. When you get an amber (or blinking green) light on your monitor, it means the monitor is not getting a video signal from the graphics port, i.e., problem is on the PC.

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