Question about Apple iMac G3 (1999)

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IMAC 333 will not fully start

Pushing the power button on the front of the computer will only start the machine without it booting on, the button glows "amber" as if it was stuck on sleep mode. I have successfully booted on a couple of times trying various options such as "PRAM" but nothing seems to work consistently. The last two time I got on the computer crashed when I was trying to use it.  
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Sounds like your hard drive is giving up.(Going bad) You can get software to check it from Seagate.com

Posted on Feb 17, 2009

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No power when you push power button


Flip your breaker completely off. Wait about 20 secs. then flip it back on and make sure it is fully on and that it holds. Then try pushing the power button on machine. Failling that you may need to contact the properly trained techy.

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Imac a1312 will not start


will it not boot but starts to power up and gives you a chime?


Try new power supply if no power when pushing start button.

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Imac g4 won't start but shuts down when apple logo appears on screen


Are you sure the iMac is really shutting down or just turning off the backlight? The tell-tale sing would be to let the unit fully boot-up (wait 3 minutes) and the press the button the apple keyboard that ejects the CD-ROM. If the CD-ROM door opens, you iMac is running with disabled or broken backlight.
The inverter circuit on the iMac G4 is known to be weak.
There could be another problem, though. The iMac G4 is also known to have weak internal power supplies. Here's how you can tell:
Hold down the CMD OPT "O" and "F" keys at the same time while pressing the power button. This will tell the iMac that you want to boot into the Open Firmware shell, bypassing the Mac OS X startup. If this works, your power supply is good, the inverter is good and you have a problem with your Open Firmware boot string. To fix the boot string, Power on the unit while holding down the keys CMD-OPT-P-R to zap the parameter RAM (PRAM) and reset everything to defaults.
If you were not able to boot into the Open Firmware shell, your problem is either a failed power supply or a failed screen backlight. The last possible culprit is your iMac could suffer from "Bulging Capacitor Syndrome", where a batch of iMac G4s, iMac G5s another electronics were fitted with a bad batch of capacitors. Eventually, the caps will rupture and cause irreparable damage to the logic board. Only way to verify this is to pull the unit apart and visually inspect. If you see little green or blue cylinders that seem to be bulging or oozing a thick oily goo, that's your problem. Only recourse is to shop around on eBay and look for a replacement logic board.

May 30, 2010 | Apple iMac G4 Desktop

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This is a question from a friend of mine who recently was given a used imac. Any ideas what he can try doing? when I plug it in and turn it on I get a grey screen with a little icon in the middle (looks...


What your friend is seeing, is an indicator that the Mac 333 Mhz, is not able to boot up to recognizable Mac OS volume. This means that Mac OS volume is either damaged or has some how been corrupted.

Apple advises the only fixes for such an issue with this class of their "legacy computer" series is to back up the data on the hard drive if possible and reinstall the Mac OS version is was operating with, or simply go a step further and upgrade to the highest version of the Mac OS X family of operating systems, that this iMac G3 qualifies for.

Here is a link from Apple support for resolving this issue for this legacy mode;
Macintosh starts up to Grey Screen

If your friend is interested in knowing what is the highest version of Mac OS X he can install on his iMac 333,, it would be Mac OS X 10.3 Panther.

This version is the highest upgrade for the iMac 333 because Mac OS X 10.4 Tiger will only work with Macs that have a built-in Firewire port.

Here is the technical specifications link from Apple for this model:
Technical Specifications - iMac 333 Ghz (1999)

This should help.

Regards,

-Mactechtrainer

Jan 30, 2010 | Apple iMac G3 (1999)

3 Answers

How i eject a stuck cd from a imac


The front of the CD Driver you can see a very small hole…use a safety pin and open it then insert the pin in that hole and push it in that will force the door on the CD to open …Let me know if that work for you and please do not forget to rate my service so I can keep providing this service to everyone and improve on it. God bless

Sep 21, 2009 | Apple iMac G5 Desktop

1 Answer

Wont start up completly


there is the single user start-up, which you were thinking of. There is also a safe-boot for macs.

To start up into Safe Mode (to Safe Boot), do this:

1. Be sure the computer is shut down.
2. Press the power button.
3. Immediately after you hear the startup tone, hold the Shift key. The Shift key should be held as soon as possible after the startup tone but not before.
4. Release the Shift key when you see the gray Apple icon and the progress indicator (looks like a spinning gear).

During startup in Mac OS X 10.4 or later, you will see "Safe Boot" on the login window, which appears even if you normally log in automatically.

During startup in Mac OS X 10.2 through 10.3.9, you will see "Safe Boot" on the Mac OS X startup screen.

To leave Safe Mode in any version of Mac OS X, restart the computer normally, without holding any keys during startup.

Jun 24, 2009 | Apple iMac G5 Desktop

1 Answer

IMac 10.4.11 all of a sudden only boots in safe mode


try resetting the SMC and the NVRAM. This occasionally stores the startup state and any keystrokes used during boot. Common issue with all intel macs. Resetting PRAM and NVRAM 1. Shut down the computer. 2. Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4. 3. Turn on the computer. 4. Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears. 5. Hold the keys down until the computer restarts and you hear the startup sound for the second time. 6. Release the keys. Your computer's PRAM and the NVRAM are reset to the default values. The clock settings may be reset to a default date on some models. To reset the SMC on an iMac 1. From the Apple menu, choose Shut Down (or if the computer is not responding, hold the power button for approximately ten seconds until it powers off). 2. Unplug all cables from the computer, including the power cord. 3. Wait at least 15 seconds. The SMC reset occurs automatically once the iMac has been unplugged from the AC power source for several seconds. 4. Plug the power cord back in, making sure the power button is not being pressed at the time. 5. Reconnect your keyboard and mouse to the computer. 6. Press the power button on the back to start up your computer. Note: The iMac does not have a button on the main logic board for resetting the SMC, which eliminates the need to remove the computer?s cover to reset it (as required for some other models).

Jun 10, 2009 | Apple Mac OS X 10.4

1 Answer

Laptop wont switch on fully


Did you press F8 as you boot up to get boot up options and did try the Last Known good Configuration and Safe Mode?
If these didn't work I suggest you re-install Windows.

Apr 10, 2009 | Acer Computers & Internet

1 Answer

Friend has a Emachine T1862 that won't start


May be the CPU fan is going bad. I hope it is that simple.

Dec 14, 2008 | E-Machines Computers & Internet

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