Question about Apple iMac G5 Desktop

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IMac G5 I was on my iMac G5 when the screen blinked, then black out completely. Now the computer won't turn on at all. Tried all the troubleshooting suggestions in the manual. Can anyone help? -Thanks!

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If it isn't the power supply, some of the early G5 imacs had a capacitor failure issue...mine just died, in fact. It was just shutting off by itself, even turned on once by itself....but tonight, when it shut down, it would not restart. I opened it up and looked and sure enough, 11 bulging/leaking capacitors. My local service center says there are two options: 1. new mother board-aprox $500 or replacing the capacitors- between $170-200. Until Dec 15, 2008..this was apparently covered under a special warranty extension program Apple had....typical!

Posted on Mar 07, 2009

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You need to contact apple support for the same

Posted on Jun 30, 2008

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IMac G5 17" won't shut down


I have minor shutdown problem with mail, won't close or shut down. My ans top left APPLE drop down, force closure, turn of each programme listed. For me works a treat.

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How do i fix my imac computer if a black console screen doesnt let me boot up the computer


Hardwares problems maybe, it's better to take it back to Apple , they should be helpful.

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Dec 26, 2011 | Apple iMac G5 Desktop

1 Answer

G5 keeps powering up for a few mins then switches off?


Thank you for contacting Fixya Support, I am glad to assist.

There are a few steps you can try to troubleshoot this issue:

Try a PMU Reset:
* Turn of your iMac if it is already turned off
* Disconnect all connections to the iMac except the power cord
* Now disconnect the power cord for approximately 20 seconds
* Reconnect just the power cable the keyboard, mouse and power cord, and then power your iMac G5 up.

* Check to see if the iMac boots up normally without power interruption.

* If the iMac G5 shuts off again, try these steps, another recommendation would be to remove all connections including the power cord, and lay the iMac G5 on soft cloth face down and with a philips screwdriver, remove the plate on the bottom of the iMac G5 where your RAM memory is located.
Before removing the RAM however, touch your hand on the metal boot to discharge any static current you carry for approximately 5 seconds.

Now remove each RAM card and then reseat (re-install) each card.

Restore the RAM card cover with your Philips screwdriver, reconnect your power cable, keyboard an
d mouse and turn on your iMac G5.

See if this second procedure helps if the first procedure does not work.

Let me know if this helps.

Regards

-Mactechtrainer

Sep 11, 2010 | Apple iMac G5 Desktop

1 Answer

I have an iMac G5 2Ghz that when it start up you can only see video for a few seconds. I connected an external monitor and my iMac works fine but with its on LCD there is no video. I check the logic board...


Sir,
The iMac G5 and iMac G5 (Ambient Light Sensor) computers have a video out port located on the back of the computer, which will mirror video. Video mirroring means you can see the same image that is on the iMac G5's flat-panel display on an external monitor, television, or projector.
Using the video out port, you can mirror video with a compatible VGA display using the Apple VGA Display Adapter.
You can also use the video mirroring feature with a television or projector that has S-video or composite video connectors when you use the Apple Video Adapter.
Both the Apple VGA Display Adapter (M8639G/A) and the Apple Video Adapter (M9109G/A) are available separately, and are needed if you want to use your iMac with a VGA monitor cable, S-video cable, or composite video cable.
The video mirroring feature is "plug and play". Simply connect a VGA display, television, or projector to the appropriate adapter (see above), then connect the adapter to the video out port located on the back of the computer.
When you connect the adapter to the computer, the screen may refresh momentarily as the computer prepares itself for the new video output. The computer tries to match the resolution of the built-in and external display. If there is no match, the computer changes both screen resolutions and may black out areas on the built-in display in order to match the capabilities of the external display.
Important: To ensure that your iMac G5 automatically detects the external display or projector, be sure you plug the adapter into the external display or projector before you plug it into the iMac G5.
You can switch resolutions and frequencies for both the iMac G5 flat-panel display and the external display, television, or projector using Displays preferences.
Want to watch a DVD movie disc on a television that's connected to your iMac G5? Select a 720 x 480 NTSC (in the United States) or 720 x 576 PAL (in Europe and other regions) resolution in Displays preferences.
Tip: Because of the display limitations of most televisions, the images displayed on a television screen are usually not as high quality as those on the built-in display or an external monitor.


Thanks
Good Luck

Aug 21, 2009 | Apple iMac G5 Desktop

1 Answer

Power up IMac but screen blank, fan on, light on but no response


I have one doing exactly this at the moment. It had gone to sleep and the fans were going like crazy. I think it is a Motherboard failure (it happened with many G5 iMacs), this one has been replaced once already, and I can't actually get it to install anything. I'm taking it apart tomorrow to see what I can find inside. If I fond anything I'll let you know.

Aug 07, 2009 | Apple iMac G5 Desktop

1 Answer

IMac Intel wont boot


It sounds like you need a new motherboard.

May 06, 2009 | Apple iMac G5 Desktop

4 Answers

17" iMac quit working



Your Imac may be one of those affected by Apples purchase of inferior capacitators from Taiwan. If you are less than 3 years from the purchase date, apple will repair the problem for you for free. Just take the unit to your nearest local Apple Genius or tech. If you are outside of the repair extension guidelines, I have provided a link here which can show you or someone more skilled how to repair the problem. Ordering a new motherboard and power supply will set you back a lot of money, however the following guide and pdf give you step by step instructions on how to ressurrect your dead imac without speding more than $100.00. I was able to repair my imac using this guide and it was worth it to save a $2k computer that was only 3 1/2 years old. Check it out:

the following information (in italics and bold)  is taken directly from: http://www.jimwarholic.com/2008/07/how-to-repair-apple-imac-g5.php.  (this site is complete with instructions, manual and the full compliment of materials available at an extremely affordable and fair price. I took a chance and repaired my own, it is not as hard as it sounds1)

The iMac G5 Repair Extension Program for Video and Power Issues applies to first generation iMac G5 computers that have video or power-related issues as a result of a specific component failure. If your iMac G5 is exhibiting any of the symptoms listed below and your computer's serial number is within the noted ranges, your computer may be eligible for repair, free of charge. If Apple or an Apple Authorized Service Provider (AASP) determines that your iMac G5 computer is eligible as part of the program, the repair will be covered by Apple for up to three years from the original date of purchase even if your iMac G5 is out of warranty.

This is a worldwide Apple program.
Affected systems will exhibit one of the following video- or power-related symptoms:
Scrambled or distorted video 
No video 
No power 
Note: If your iMac G5 is not experiencing any of these symptoms, you do not have to contact Apple or any Apple Authorized Service Provider.

Which iMac G5 computers are affected by the iMac G5 Repair Extension Program for Video and Power Issues? 
The program is available for certain first generation iMac G5 models that were sold between approximately September 2004 and June 2005 featuring 17- and 20-inch displays with 1.6GHz and 1.8GHz G5 processors.

The affected iMac G5 computers have serial numbers where the first 5 digits fall into the ranges noted below.

Serial Number ranges:
W8435xxxxxx - W8522xxxxxx 
QP435xxxxxx - QP522xxxxxx 
CK435xxxxxx - CK522xxxxxx 
YD435xxxxxx - YD522xxxxxx 
Some second generation iMac G5 computers have serial numbers that fall within the upper band of the ranges listed below. Only first generation iMac G5 computers are affected by this program.


Where do I find the serial number of my iMac G5?
The 11-digit serial number is located on a label under the foot of the iMac G5. There is a bar code underneath the serial number.
To view the label, hold the sides of the iMac and gently lay the computer face down on a soft, clean towel or cloth.



Is the iMac G5 Repair Extension program available for other Apple computers? 


This program applies only to the systems noted in this FAQ. Other versions of the iMac G5 line are not part of this program. Click here for more information on how to identify iMac G5 models

Free guide for how to repair the motherboard capacitors, rescue the hard drive and more.

http://www.jimwarholic.com/docs/Repairing-Apple-iMac-G5-Motherboard.pdf

Feb 22, 2009 | Apple (661-2795) for iMac Motherboard

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