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CPU doesn't turn on!!

I plug in the power cord and all that turns on is the green light in the back of the tower. All it does is blink! Is it the power supply?

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  • Anonymous Sep 23, 2008

    The CPU doesn't turn on and I don't even have a green light showing in the back. Any suggestions?

  • Anonymous Sep 23, 2008

    the CPU doesn't turn on and I don't have a green light on in the back, either. Any suggestions?

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  • 4,234 Answers

Most likely yes it is thepower supply. There are capacitors inside that can cause this when they fail. The easiest thing to do is to replace the supply. It can be fixed, but this is a specialized task and is rarely done. It will be less expensive for you to replace the supply.
Dan

Posted on Jun 21, 2008

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Posted on Jan 02, 2017

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Power supply in HP slimline s7310n


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My monitor no display and light is blinking


Hi,
if the monitor light is blinking this suggests that, there is no display signal coming from the tower. This could be because of the following .

1. Bad video card 2. Bad video software

To check,where the problem is , power of the system tower and remove the power cord from the back of the tower. Press and hold the power buttoon for 10 seconds and the reconnect the power cord and turn the tower on. Check if there is any display or the status of the light changes from amber to green for even a small instance.

If the light changes to green and back to amber the video port on the tower is bad

Alternatively you can connect the monitor to another desktop or laptop to check if the same is working correctly.

Thanks for using fixya
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No power to computer, flashing green light by power cord


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I had a power outage and my computer when I tried to turn it back on after the power was turned back on. All it does is have a green light blink on the back of the tower and a small green light on the...


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There is a green blinking LED on my motherboard, and my computer is not turning on. What is wrong? Someone told me to ... Hi, i have a dell Optiplex 780 running windows xp, the computer button is just...


Hi,
If you are referring to the green light on the system tower and is blinking the problem could be the system is in stand by mode.

Turn off the computer by pressing on the power button on the system tower for 10 seconds.

Disconnect the black power cord at the back of the system tower and then again press the power button on the tower for 10 seconds. There would be no activity on the tower when you do this.

Reconnect the power cord and then power on the computer to see if the issue is resolved.


Thanks for using Fixya
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How's the status light of your computer monitor? is it blinking amber? and the status light of your computer tower's power button? blinking amber as well or solid green or no light at all?

1. Disconnect all the connection at the back of your computer tower
2. Press the power button of the computer tower for 15 seconds
3. Reconnect the power button and the monitor cable at the back of your computer tower and turn on the computer (if it turned on that means that one of the device plugged at the back of your computer tower is faulty)
4. If still the same problem, open up your computer tower.
5. Reseat the video card, Reseat Hard drive, Reseat Memory, Reseat CPU, Reseat power cord coming from the CPU to your computer (doing all things one-by-one to pin-point the root cause of the issue)

If none of the troubleshooting steps fixed the problem, possible that the power supply is faulty and if the power supply is faulty sometimes it goes with the motherboard.

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Computer won't turn on


If the only light you get is a green blinking light in the back of the computer, odds are that your power supply stopped funcitioning properly.

The good news is, it is a relatively easy part to get and install, but you will want to be sure you get one with adequate power for your system.

Additionally, some systems have custom built power supplies, and can be expensive. If you go buy one, be sure to take your old one in for comparison.

Good Luck
tony

May 18, 2009 | Computers & Internet

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