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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Will not boot to safe mode imac g4


Starting up in Safe Mode Follow these steps to start up into Safe Mode.
  1. Be sure your Mac is shut down.
  2. Press the power button.
  3. Immediately after you hear the startup sound, press and hold the Shift key. The Shift key should be pressed as soon as possible after startup, but not before the startup sound.
  4. Release the Shift key when you see the Apple logo appear on the screen.
After the Apple logo appears, it may take longer than usual to reach the login screen. This is because your computer is performing a directory check as part of Safe Mode.
To leave Safe Mode, restart your computer without pressing any keys during startup.

Sep 25, 2014 | Apple Mac Desktops

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Mb324ll/a white screen


1.Try a Safe Boot
Mac OS X 10.2 and later Safe Boot includes disk checking and repair. First start your Mac in Safe Mode. To do this, shut down your Mac. Now Turn on your computer by pressing the power key while holding down the Shift key. When you see the Apple logo, release the Shift key. After your Mac fully starts, restart your computer normally without holding any keys/buttons during startup. Note that Safe Boot is slower to boot.
2.Run Disk Utility
Turn your Mac off by holding down the power button for a few seconds. Turn on your Mac and hold down the Command and R keys until you see the Apple logo. Then you should see a "Mac OS X Utilities" window. Select Disk Utility, click your OS X hard drive and select verify/repair disk.
3.Reset PRAM
This may fix your boot failure. PRAM ("parameter random-access memory") stores some of your settings. You may reset PRAM. To do that, turn off your Mac. Now turn on your Mac. Then, immediately, hold down the Option-Command-P-R keys until your Mac restarts. When your Mac is starting up, release the keys.
4.Reinstall Mac OS X
If nothing above works, you may try this. Your Mac needs to be connected to the Internet. See number#2 above. Follow the same steps. Restart your Mac and hold down the Command key and the R key until the Apple icon appears; when you see the Mac OS X utilities window, select the Reinstall option.

Mar 13, 2014 | Apple iMac A1224 20" Core2Duo 2.66GHz 2GB...

2 Answers

Where is the power button on the mac computer


The power button is on the back of the LCD screen in the lower left hand corner. You should power down by clicking on the Apple Logo in the upper left hand front corner and choose "Shut Down". If your screen freezes, you can power off by pushing the power button and holding it.

Jan 22, 2013 | Apple 24" iMac Desktop

2 Answers

CD stuck in imac


Have you tried holding the mouse or trackpad button down immediately after powering on. This forces the CD drive to eject during boot up.
See this page for all sorts of useful Mac tips.

http://www.danrodney.com/mac/


Aug 24, 2012 | Apple iMac Z0GF0005F Desktop

1 Answer

Whats wrong with my apple computer has a blank white screen with a ? and it also had a blue screen the other day not working please help


A question mark on the boot screen is an indication that the machine can't find your boot drive. Usually this is trivially fixed by resetting the PRAM (holding down command-option-P-R after turning on the machine with the power button, until you hear the chime three times).
However, taken in conjunction with your other symptom, I would suspect a failing drive or a failing SATA channel (less probable). Does it boot from the original DVD without these symptoms? After booting from the DVD, are there any indications from the tools that the hard drive may not be showing as present, or may show intermittently?
If you have a good backup (Time Machine or otherwise), I would erase and reformat the disk with "write zeroes to all records one time," then reload the backup, and see if that fixes the problem. If not, you will need to replace the drive, and reload the backup (hope you have one) onto the new drive.

Oct 29, 2010 | Apple M9248LLA iMac G5 1.6GHz Desktop...

1 Answer

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

2 Answers

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

3 Answers

Apple iMac 17 Model A1058 won't turn on


Re the light turning on for about 3 secs.
Does the computer make a 'start up' chime or any other tones?
If not, this could be for a variety or reasons.
Firstly you need to verify that the power supply is working. Remove all connections from the computer including the keyboard and mouse. Try to start up again. If the computer still fails to start up, you will need to gain access to the computers internals.
Lay the computer face down on a soft cloth to protect the screen. Undo the 3 silver screws on the lower edge of the computer. (one at each end and one central. These are captive screws.)
Lift the rear cover away from the main body of the computer.
On the Logic Board there are 4 diagnostic LEDs indicated by a yellow arrow on the board. To the left of these LEDs there is a small button. This allows you to power on the computer with the rear cover removed. Connect the power lead. LED1 should be 'ON'. If it is 'OFF' then you need to replace the power supply.
Turn the computer on by using the internal power button.(LEDs 2&3 should now be 'ON'. If LED2 only comes on momentarilty then replace the power supply).
Does the computer start up normally after pressing the internal power button?
- Yes: Press and hold the power button until the computer powers off.
• Unplug the power cord from the iMac, and reinstall the back cover.
• Return the computer to the upright position.
• Plug the computer back in, and press the power button to turn on the computer.
• Make sure the computer is starting up properly. If the computer will ONLY start up
from the internal power but will not power on from the power button on the back
cover, the power button on the back cover may be faulty.
- No: Reset the SMU.
• Unplug all cables from the computer, including the power cord.
• Wait 10 seconds.
• Plug in the power cord while simultaneously pressing and holding the power button
on the back of the computer.
• Let go of the power button.
• Press the power button once more to start up your iMac G5.
If the computer starts up normally then shut down and replace the rear cover.
If you feel uncomfortable about working on the computer, take it to a reputable repairer.
Hope this helps.

Jan 05, 2009 | Apple iMac G5 Desktop

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