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Re: computer wont start
This could indicate a problem with 3 things.
1) Bad power supply. If you have a spare one, try swapping it out with the existing one. Try to get the exact same type that you currently have, to be sure it will provide the right amount of power for your motherboard.
2) Bad memory. If you can get your hands on some spare memory that is the exact same type as your existing memory (say, from a similar machine). Try replacing the existing Memory with the new memory and see if your PC boots.
3) Bad motherboard. Like everything else, you would have to try to get one that is exactly the same as the one you already have to make sure that all your peripherals and components would still work.
This web site will let you know what parts are currently in your machine so that you can get the correct replacements. Just enter your model number under the System Lookup section.
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Do you mean the monitor's power light starts green and then turns orange when you turn it on? Most monitors will go to a power saving mode when they do not get a signal from the computer.
The Dell GX260 has a green power light when on. When the computer is off, the light is off. If it is green and blinking, then the computer is in a power saving mode.
Diagnosis: start with the obvious: is the monitor cable plugged into both the computer and the monitor (if not permanently connected to the monitor)? Are you connected to the active port? (You can add a video graphics card in most desktops. The motherboard video port usually needs to be disabled to use the card ports. If you plug in the monitor cable to the disabled port, it won't work.) Is the monitor set to the correct input? (This applies if the monitor has several ports. In that case, there will be a Source or Input button on the monitor.) Is the computer on? The GX260 has the power button on the front. (Other computers have the power button on the top.) There is also the power supply switch on the back which needs to be on.
Next try a different data cable between the monitor and the computer (if you can). Try a different monitor. If a second monitor works, than the monitor has a damaged main board. If the second monitor doesn't work, then the video graphics adapter has probably failed. Replace the add-on card, if in use, then boot in the safe mode to remove the old graphics driver. Then install the correct driver for the graphics adapter.
Note: the computer and the monitor should both be off when you connect the cables. Then turn on the monitor first and set it to the correct source before turning on the computer.)
Basically, I think that your power supply has gone bad if nothing at all happens when you turn it on. To test this, disconnect the hard drive, the CD, and any other peripheral and try to start it. All this assumes that when you push the on/off button, all you hear is yourself breathing--nothing at all from the computer.
this issue has been taken up on this forum, with a plethora of solutions. This is a power issue. Easiest solution, unplug the computer, wait 5 minutes, plug it back in, wait 2 minutes, then turn it on. That will fix your problem 90% of the time. If not, here is a bunch of solutions:
There could be a hardware problem on the computer if the power button led light is "Orange/ or amber", if you can open the computer, try removing one memory card at a time and see if the power button will change.
It could be your monitor is fine. It simply goes to a cycle when its turned on and does not detect any signal coming from your CPU, it simply goes on standby mode (hence the darker image and orange/blinking light.) have you checked the computer (CPU) part?