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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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My Dell Optiplex gx260 Pentium 4 Flat CPU doesn't Display anything, and Power light is Orange.. Please help me out


You say the power light is orange--I'm assuming that you mean the monitor.
This indicates the monitor is not receiving a signal from the computer.
Assuming that the computer actually powers up (fan runs, you can hear the hard drive being accessed, etc) then your problem lies in the video card.

If, on startup, you do see the BIOS info and maybe even the Windows splash screen before your monitor goes dark, then the problem lies in the video card drivers. In this case, starting in safe mode will work and allow you to download and install new drivers.

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Hello, When i start the computer its starts a


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.

I would take apart the heatsink, remove the CPU, reseat it and see if it works.

Let me know! ill help

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Monitor light blinks amber and monitor is black


This generally is a sign that there is no signal coming from the computer. So--if the computer is not actually starting, you have a problem. If it is starting and you can get a video signal on another monitor, you've found the problem. If a second monitor does not display anything, then you will need to start troubleshooting all the components. I'd cover all that, but you haven't told me enough to help you really get a start.
The very first thing I'd do is eliminate the possibility of a bad monitor.

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tv starts up windows and shows safe-mode. That right there is your problem, windows defaults the monitor down to regular 640 mode. I will cut out the hdmi since that is not a monitor. Safe-mode is used to trouble shoot your computer and it loads just barely the drivers you need to see and work with the computer. You will have to get the computer to boot up normally then proceed from there, also you will have to set up your video card to output hdmi.

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Hello,

Have you checked if the cable is well connected to the CPU and Monitor?

Also loose the CPU case and check the VGA card if it well fixed to the board.

If a CPU ram is not well fixed to the mother board, there would never be a display on the monitor.

Lastly, check if electric current is interring the CPU. You can know through the power pack fan at the back of the CPU. And check power cables and socket.

Best wishes.

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No signal to TFT monitor and after switch on the CPU starts automatically. Ganesh


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.
And in worst case scenarios, one of the RAM sticks may be loose. Just pull them out, clean out any dust and push them back in until you hear the click of the RAM locks.

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Monitor going to sleep


turn off the hibernation mode if it is turned on.

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Have a t3508 emachine it boots but screen has no signal


Check if you have properly inserted the monitor cable to your CPU. To make sure you did, detach the cable first by loosening up the two screws that hold the cable in place to the CPU, then re-insert the cable and tighten the screws.

If that doesn't work, you may open your CPU if your computer is no longer under warranty, remove the video card (the one where you attach the monitor cable) by the edge gradually off its slot, then put it back in. Test for signal. Make sure you remove static charges from your body by placing your hands on the sides of your CPU first before opening the CPU cover.

If this doesn't work, your video card probably is damaged.

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No Signal


no signal mean that vga signal from cpu is not coming to it or may be this is a cable breakage relavant to signal from cpu.
2ndly, the matter of computer shuts down is out of sense because this kind of problem doent happens at this case.
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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Help my computer wont start if I close my lid ....


It sounds to me that there might be a lose connection somewhere. The first thing to do is make sure that all cables are securely fastened.

When you say that your computer won't start when you put the cover back on and lay it on it's side does it respond at all when you hit the power button? Lights, anything displayed on the monitor, fan noise, etc.? Also when you leave the cover off is the computer laid on it's side like when the cover is on? does it work laying on it's side with the cover off?

MO

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