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As soon as i press the button to turn it on the led on power supply goes out and the computer does nothing unplug wait a few minutes and power supply led comes back on

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You have a defective power supply. Replace it as soon as possible to avoid further damage to your pc desktop.

Posted on Apr 08, 2011

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Unplug Clock from AC. Wait a few seconds. Then replug clock into AC power. Clock will now flash 12:00. Press hours button until correct time is set PM has led on AM has Led off. Set minutes to correct minutes. Then press alarm reset / power/mode button. Wait a few seconds and display will show correct time. Now you can put the AA batteries back in.

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Press and hold the power button for 5 seconds this will turn the system completely off wait 5 seconds then turn it back on as soon as it boots up go into power options in the control panel and click the option from power saver mode to do nothing as there is a fault with some computers that it gets stuck in power saver mode

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-Orange light on Power-up button stays lit. -No Video, just black screen. using AGP Video card TNT 32mb / Model CT5823 I've replaced the battery, double checked the cables, Power supply is good. Gatew


This is typical of a failed power supply. Look on the back of the power supply, there may be a red switch for input voltage. Unplug the power cord, flip that switch a few times and then plug the cable in and try again. If nothing changes, see if there's a small black button on the back of the power supply. If there is, unplug the power cable and press the button and hold it for 10-15 seconds. If an LED flashes or turns on, then plug the cable back in and try again. If this all fails, replace the power supply.

May 17, 2009 | Gateway Computers & Internet

1 Answer

I have a gateway ma7 laptop and press power and get nothing


When the computer is off, unplug the power cord from the laptop and then plug it back in. See if the charge light (lightning bolt symbol next to the led) comes on or turns green/blue. If it doesn't your power supply may not be working, even if the light on the supply is on. Second is the battery may be damaged. Remove the battery and see if you can power on at all.
If it boots with only the cord, the battery is bad/shorted forcing shutdown.

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1 Answer

No Power


hi there, I don't think it's the power cord or power supply. If it doesn't turn on, then the motherboard is probably gone. i could be wrong, but if you press the power button and nothing happens, no lights on, no noises, then the motherboard is probably defective.
By the way, unplug the power cord, disconnect the battery and wait for a couple minutes. Re insert the battery and plug the power back and press the power button and see if it goes on.

Apr 03, 2009 | Toshiba Satellite M205-S4806 Notebook

1 Answer

Tower problems


You may need to replace the cmos battery, its a cr2032 3v button cell
Make sure all your expansion cards and memory are reseated.
Make sure all cables are reseated.
your power supply could be bad

If that doesn't work try this


Here is my fix for the dell dimension 4400 amber light problem. It works!
replace cmos battery.
then unplug power cord form wall about 5-10 secs.
then plug it back in, wait 5 secs.
If amber light comes on, press and hold power button until it goes out.

(with light out, press and hold power button while amber light comes on and goes off again holding power button 2-3 secs after light goes out.) repeat whats in parenthesis until computer turns on
it should only take about 6, 7 tries.

After the computer boots, you may want to setup cmos or boot into windows.
After you shutdown, unplug power cord for 5-10 secs then plug it back in.
Press and hold the power button, computer should come on.
I found that's the only way to turn on the computer.
If you shutdown and don't unplug power cord the computer may not boot, mine didn't.
Strange I'd say

A+ Technician

Apr 01, 2009 | HP Computers & Internet

1 Answer

Desktop Will Not Turn On


shut the tower off or unplug it form the back for a few minutes
plug in back in and then try to turn it on
you may have a power supply failure
let me know what happens

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Dell Dimension 4400 Won't Turn On


inside the pc there should be a green light. called flea light. if its not on.. then id say motherboard or power supply are bad.
take power cord off. and hold power button down for 10 ecs. then reconnect and retry. i think its abad psu.

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If the red light flashes at plug in you likely have a main board that is bad. If you have to press the power button before the red light flashes you likely have a bad bad supply board. This will need to be diagnosed by a technician to be sure of the problem.

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