Question about Apple Power Supply 344 Watt PowerMac G4 Quick Silver (p/n 661-2513) 344-Watt Power Supply

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Problem with power supply

One day the computer went into sleep mode and never woke up. Now when I try to power it on there is just a short kick of the fan but it does not turn on. I purchased a used power supply on ebay and replaced it but I still have the same problem

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The motherboard might be shot would be my guess.

Posted on Nov 07, 2008

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My computer was knocked forward it went bang and then smelt of burning - I have been told that it might be the internal powe pack can you help?


If your desktop computer went bang from the back of the computer and the burnt smell comes from the fan grill of the power supply then the switch mode power supply definitely failed. The bang and burning smell was probably one or more of the capacitors that has exploded inside the power supply.
You can replace the switch mode power supply, make sure you purchase one that has the same total wattage or higher wattage.
There is a chance that when the power supply failed it may have caused a voltage spike that could have damaged some other components. You won't know until you replace the faulty power supply.

May 19, 2011 | System Power Supplies

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Why did my pc power supply shorts..everytime it replaces a fuse its short,,do i have to replace it a new power supply?


Most computer testing facilities will test your current power supply for free. A replacement is very inexpensive to replace. Bestbuy, MicroCenter, small computer shops and buy replacemnent from Amazon.com, newegg.com.. Just make sure you have the correct information for your replacement. The model number on the power supply would be your best bet in most cases. Good luck and have a great day. I buy power supplies as low as $15 dollars Generic

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Dell 4400 Main power in house went off while using my computer and then went back on about an hour later. Now when I try and restart the PC, the power button light turns yellow like it is in sleep mode...


The power supply or mother board probably went out. Did any other items in the house stop working? This happened to me years ago and the electric company reimbursed me for damages.
You can try unplugging the power cord for a few minutes, then retry listen for any beeps from the computer. If it is powering on but nothing on the screen and no beeps *********** board is probably toast.

Dec 10, 2010 | Dell Dimension 4400 Power Supply ** FREE...

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Turn on & no video


Step1: The light on the monitor is blue when it is on? And orange when in sleep mode? Check to make sure all the cables are plugged in completely. Perhaps the video cable attached to the CPU is loose. Step2: First of all, check all the cables and make sure they're all securely connected. if you can, hook up your computer to a different monitor and see if it was the monitor. If that didnt work, you may wanna open up your computer and check to see if the video card is in place and fully in. And if that doesnt work, if you really wanna go the extra mile, borrow a friends video card, install it, and try to boot up your computer. Best Of Luck

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Packard Bell F9150 desktop power supply


open your cpu cover .
Then check your power led on motherbord blink or not also reattcha ll connection to motherbord.
check your smps fan is movinh when you switch on.
May be you have to change smps it is square box from with you attch power code.

Jul 17, 2009 | System Power Supplies

1 Answer

Micronpc cpu will not turn on when pushing the


see ur ups is getting dead
i'm working with that one two

try to on it after sometimes keeping the switch on

"can u rate me, for my hint... please"
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Hello can you tell me if this problem concern the power supply


Check your VGA cables to make sure it's properly connected (if you haven't already). If that does not work, Take the CMOS battery out of your motherboard and leave it out for a minute, then put it back in. If that still doesn't work, make another post with more specific information about your system.

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1 Answer

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First Thing I would suggest doing is to have an Electrician come and check out the Circuit(s) in your housr that were blowing fuses. As this is likely due to power surges and/or short circuits, and thats likely to be a fire hazzard. Not to mention that it could just as easily damage any repairs you make to your PC.

After you know your electrical lines are OK then we can start on your PC.
There are several components in your PC that are easily damaged by power surges. I will list them in order of their likelyhood to have been damaged, any one or even all of them MAY have been damaged.

Power Supply Unit
Motherboard
CPU (Processor)
Video Card
Ram modules

You could try replacing them one at a time Until you finally get the right ones replaced, but it might be more cost effective to take it to a certified repair facility for Gateway (Best Buy, and Circuit City are both good choices in the US)

I would have them give you an estimate before they do any repairs because if many or ALL of these components were damaged, it might be cheaper to buy a new PC.

Hope this helps
Dave

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this is a common problem with G4 Quicksilver. Your power-supply is defect and has to be replaced. I have 4 G4s in my lab with the same symptom: a short flash of the power-button light, sometimes it turns on, but mostly the machine is dead.
Richard

May 07, 2008 | Apple Power Supply 344 Watt PowerMac G4...

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