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Possible power supply problem

After hitting power button
- light turns amber and flashes
- monitor light is also amber
-have tried unplugging and restarting multiple times

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Open your computer case and disconnect/remove any hard drives, cd-rom/dvd drives, take out any extra cards installed (except video card unless you have onboard then take out the video card too) and all but one stick of ram. Turn the computer on
- if it turns on, plug in each item back one at a time turning back on and off each time ( power trip will cause the pc to not turn on)
- if you smell anything weird from the PSU unit DO NOT try anything further, replace the unit.
- if you have overclocked your computer, use the jumper on the board and reset your bios
In the event you need to replace your PSU unit if Antec is an option, go with that. They are very stable.

Posted on Jan 21, 2009

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Gateway 500s power box when hitting test button powers both fans, but no power to hardrive, dvd, or monitor. I have replaced power supply, motherboard, and harddrive, I have nothing, but green power button...


Does the fan on the power supply run? As you say the power on switch lights up and so does the motherboard, means that the power supply is working. Monitor gets power from the socket on the power supply. Try plugging it in the wall socket. Try to unplug the main power cord from power supply to the motherboard. The one that has a broad plug at the motherboard end. Replug it and they power on the PC.

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check you power cable and extension socket for steady power supply. if it is ok, consider plugging it into another outlet. if that fails, check your memory card. if you have more than one card installed, consider taking one out and restarting with one. if it fails, swap it with othe on and the othe out. if it fdails, take out the C-MOS battery from the motherboard and replace it after 2 or more minutes. restart the system.

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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

3 Answers

Have a yellow amber light blinking


A Blinking Amber or Yellow power button means that the power supply is receiving power from the source but is unable to properly distribute it to the components. This can be caused by a defective power supply or a defective motherboard. Just to make sure that nothing else is causing the problem, remove any PCI cards like modem, video card, sound card, etc... Remove the memory modules and disconnect cables to CD/DVD drives. Look at the USB ports to see if any are damaged.


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Dec 25, 2008 | Dell Dimension 8400 power supply ** FREE...

3 Answers

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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MY SONY LAPTOP WONT BOOT


Hi,

The flashing amber light means the screen is in power save mode. Since you are not seeing a "No Video Signal" things are looking up.

You want to use the menu buttons on your screen to navigate through and locate the power save time out settings. Its best to set it for 'never'.

If that makes the change a fix, let me know, I'll guide you through the settings on your desktop display to control the display time out.

Regards,
Worldvet

Jul 24, 2008 | Computers & Internet

1 Answer

Computer Won't Power Up


If the blinking amber LED is on the computer itself and not the monitor, this is most likely a power supply issue. First thing to try would be replace the power supply. If the blinking led is on the monitor, it probably has bad capacitors and needs to be replaced. (or repaired)

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1. Ensure that the power supply is working
2. If yes then make sure all connections are properly connected
3. If No,you will need to buy a new one

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1 Answer

Turns on, then shuts down before anything shows on monitor


Hi ,
u check almost all ....
also check with u r power buton of front panel of pc if this button is get short then it is possible .....please disconnect switch from board & just short with any metal ....if u r pc is not geting shut down please replace rower switch ...


if this information is useful for u please Rate me........

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1 Answer

Dell SX260...Wont Boot...Power Button Flashing Amber....grrrr!


Try these (un order of degree of difficulty) 1. Try replacing the battery on the system board. it is  typically a CR2032 button-style battery. This helps if the computer has been off for a long time.  2. Make sure all dust has been blown or vacuumed out of the computer. 3. Check to see if the USB pins are bent inside the connector on the back and the front of the computer. Straighten if possible. 4. Remove add-in cards, fans, shrouds, and heatsinks, then check the system board for leaky or mushroomed capacitors. If you would like, this may also be a good time to see if the processor is seated correctly or possibly short-circuited (burned black on the bottom, burnt or missing pins, etc). If it is any of these, you may need a new system board (motherboard) 5. It may be that you need a new power supply. Do your best to make sure that it will fit your computer case and have all the power connectors you need; they are not created equal.

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