Question about Apple iMac G4 Desktop

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Imac g4 flat panel 1.0 gb power lamp replacement

On the right side of the flat panel is a small hole at the bottom right. there is supposed to be a power lamp indicator. mine does not work. i would imagine its a led. does anyone know replacement specs?

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  • mjuseven Feb 01, 2009

    I have the same problem, power indicator LED doesn't light up in normal operation mode. I can see that it is blinking in sleep mode.

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  • 115 Answers

This led indicate your mac is sleeping, don't panic

Posted on Feb 06, 2009

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Tracking arrow don't move


Hi!

I'd recommend replacing the mouse with another known good working mouse-- just to test it out.

You could also try resetting the PMU.

Resetting the iMac Flat Panel Power Management Unit PMU

Hope this helps!

Feb 26, 2015 | Apple iMac G4 Desktop

1 Answer

Computer won't turn on


Resetting the iMac (Flat Panel) Power Management Unit (PMU...
http://support.apple.com/kb/ht1712
Read all of article, try other solutions first.

Dec 29, 2012 | Apple iMac G4 Desktop

1 Answer

IMac G4 17" Flat Panel 1Ghz, new PSU, boots to Gray


Sounds like possibly the motherboard has thrown in the towel.

1 thing to check is did you apply new thermal paste to the processor before putting motherboard back in?

Did you make sure all wires were seated as you pushed motherboard back in?

Apr 18, 2010 | Apple iMac G4 Desktop

1 Answer

How do I replace the power supply on a iMac G4 17" Flat Panel 1Ghz?


Take off small panel on bottom, remove airport card and memory. Unscrew bottom and remove. Unscrew motherboard and be careful to pull lightly as the processor uses whats above it as a heatsink (so have new thermopaste availible). Lightly remove all cables. you should have enough access to replace power supply. Clean out all dust and reinstall.

Apr 17, 2010 | Mac Desktops

2 Answers

Install an Airport card in a G4 Tower



There are six models of Power Mac G4 computers: AGP Graphics, PCI Graphics, Gigabit Ethernet, Digital Audio, QuickSilver, and QuickSilver 2002. You cannot install an AirPort card in the Power Mac G4 (PCI Graphics); the rest accept original version 1 Apple Airport cards. The card is simply inserted through an opening in the PCI card guide and seats itself into a socket on the logic board. Then you attach the loose antenna cable to the hole on the end of the Airport Card. You're done.

Oct 16, 2009 | Apple iMac G4 Desktop

1 Answer

Imac g4 dead


Hello, The power supply is part of the motherboard in the iMac G4, so it's hard to change it. The repair would certainly cost more than the price of your iMac. You can try to take off the small battery, and reboot it to see if it changes. To open the mac lay it down, screen on the table (on a t-shirt). Unscrew the four screws (they wont come out, so just unscrew them. Pull the screws and take off the silver plate. Then you'll have access to the inside. Good luck

Jun 12, 2009 | Apple iMac G4 Desktop

1 Answer

My G4 1.25ghz with 1 gb ram plays abc video slow.


Hello, sorry you are having trouble,
There are so many variables when it comes to Video play back on a Mac..
Yea, 1.25 Ghz with 1 GB of Ram answers most questions, yea, it should play OK,
BUT:
  • Is the video on a CD or DVD ? well, these iMacs don't have a very fast optical drive.
  • How much room do you have on your internal hard Drive, if it's too full ( more than 80% full ) then you will suffer read/write performance.
  • Is the video on an external harddrive, is it a USB drive? the USB on the iMac G4 is USB 1.1, 11Mbit/sec, way too slow to play a big video smoothly.
  • Just what is the size of the video, is it like that for all of them or just one, might it be a HD video with high frame rates?
  • What version of the MacOS X do you have installed? If you installed Leopard 10.5 on the iMac G4, nothing will run smoothly,
  • Are you playing this video over a network? forget it it's got to be on the internal or a FireWire external disk otherwise it will stagger...
Well, there you go, I know, it's so easy to say Hey man, just get a new Mac and everything will be fine... But that machine is going on 6 years old now, Video technology has not stood still.....


Mar 24, 2009 | Apple iMac G4 Desktop

1 Answer

? imac g4 ? problem starting


This looks to be a hard drive issue....if you are familiar with the machine enough to take off the bottom plate.....requires a torx tool. I would take off the bottom plate and disconnect the hd, and then see if the machine will boot to cd...if it will then boot to cd then it is a hard drive... i would be careful though as there is a pad on the processor that cools it and if it becomes dislodged you can overheat the processor....

Mar 10, 2009 | Apple iMac G4 Desktop

1 Answer

Problem with Apple imac Power Supply


The most common problem with imac G4/800's are failing logic-boards. This will cause the mac to not power up at all giving the impression that the PSU is broken. 
If however, you are indeed certain that the fault is with the power supply, they are available from many stores online
Power Supply for iMac G4 15" LCD (700 & 800 Mhz) 661-3184 614-0147

Dec 09, 2008 | Apple iMac G4 Desktop

1 Answer

Drive Tray Problems


Has this machine been transported of moved with a disc in the drive? Some models of the G4 flat panel imac, have a slot above the drive where a wireless card maybe installed. Is there a possible loose cable in the path? If you can power it down and Let me know the processor speed ( which is specified on the bottom of the machine -in Ghz or Mhz ) I can better help you.

Keep me posted.

Dec 20, 2007 | Apple iMac G4 Desktop

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