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G4 firm ware problem

It say type in "mac-boot" but it doest take me back to my computer

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  • Krabby May 11, 2010

    It can be a couple of things, it can be firmware or a hard drive problem do you have anymore info.

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  • 233 Answers

Take the battery out for an hour. Zap the PRAM about ten times and see if it starts. If not try booting from the OS CD holding down the "C" key at startup. If it still won't start try a different hard drive and test the memory. Try a different CD ROM drive. That is all I can think of right now.

Posted on Dec 30, 2008

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Posted on Jan 02, 2017

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1 Answer

G4 power light flashes


Thank for contacting Fixya, I will be glad to assist you.

Here are some steps you can try to resolve the issue:
• First, hold in your power button for approximately 10 seconds to do a hard shutdown.

• Once your Mac is shutdown, you will need to perform what is called a PRAM reset (Parameter RAM)

• Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously .

• Turn on the computer.
• Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.

• Now, hold the keys down until the computer restarts and you hear the startup sound for the third time.

• Release the keys and allow the Mac to start up.

If neither of these processes do not work, have your RAM memory checked, as this could be a factor in your G4 not booting up.

One other factor to consider, especially given consideration of the flashing light and no boot up, depending on the type of G4 mac you have, would be the power supply, which is what gives your G4 the power to boot up and function.

Hope this helps.

Regards,

-The MacTechTrainer

Jul 10, 2012 | Computers & Internet

1 Answer

I have an iBook G4 and don't have the administrator password. As i don't have the boot CD, i can't upgrade anything... how can i resent the administrator password without the boot CD?


You can reset your password with a few simple steps. 1. You must turn off your computer. 2. Turn your computer back on BUT, right after you here the chime sound you need to press the "command" key and the "s" key simultaneously. 3. This will cause a command prompt to come up instead of your usual desktop. 4. Type the following commands mount -uw/ (press enter) rm /var/db/.AppleSetupDone (press enter) shutdown -h now (press enter) 5. After rebooting you will have a new admin account which you can set the settings for under "System Preferences". Delete the old one if you wish.
And there you go! Hope this helped! Please rate my answer if you have the time! :)

Aug 24, 2011 | Apple iBook G4 Mac Notebook

1 Answer

My powerbook G4 froze with flyspin going.. I shut it down but when I restarted it it went to a blue screen with no activity. Clearly it is not starting up OS X. Any ideas what to do?


Boot it into single-user mode holding down Command(Apple) and S buttons when powering up. Then in terminal console, use chkdsk -fy. Use it and use it again until comes back with something like "Volume appears to be OK". Then use command: mount -uw / and then type reboot and try booting normally.
-juuko

Nov 18, 2010 | Apple PowerBook G4 Mac Notebook

1 Answer

I boot my mac up and the screen only has a file icon on it.


No operating system found. Re-install the operating system. If that don't do it, then remove RAM chips and push back in firmly. If that don't do it, then replace the hard drive and then re-install the operating system. If that don't do it then, your fu.ked and need to repair the logic board or replace it. Cheers old chap.

Oct 11, 2010 | Apple Powerbook G4 1.33GHz 512mb 60GB...

1 Answer

When i boot it up it makes a type of spinning sound in the computer then a screen pops up and shows a question mark flashing


sounds like the hard drive may be bad. Kind of like the heads are banging together, try a different hard drive in there and reset the laptop back to factory defaults. If you have the disks, i'll walk you thru it.

Jul 17, 2009 | Apple PowerBook G4 Mac Notebook

1 Answer

My powerbook G4 laptop screen will not come on it is totally black. help


You can open the computer up and see if the ribbon cable is connected firmly. Most likely the back light went out.

Jun 08, 2009 | Apple PowerBook G4 Mac Notebook

1 Answer

''imac g4 does not see dvd drive after Xferring files and setting


when booting in os x after the first boot chime immediately hold down keys <apple,option,o,f> all at the same time and allow computer to boot to open firmware once there type "reset-nvram" exactly like that but without quotation marks and press enter once it returns to command prompt type "reset-all"and press enter (you must have the "-" in between the commands) the computer should restart if not when the command prompt returns type "reboot" and hit enter ..... also you can check the drive status by going to "system profiler" in apple drop down menu--->about this mac-->more info or applications folder-->utilities folder--->system profiler then selct disk burning under hardware in the list on the left

Mar 18, 2009 | Apple iMac G4 Desktop

1 Answer

Apple laptop won't turn on


Try to boot from the CD the computer shipped with.

Insert CD and restart the computer holding the "c" key
Your computer should boot.

If so run disk utility from the cd and repair the disk as well as permissions.
If this is successful your computer "should" be repaired. If it still has problems booting, Use your CD to perform a Archive and install which should keep all your personal settings and installed software intact.

Feb 28, 2009 | Apple PowerBook G4 Mac Notebook

1 Answer

G4 problem


Hi, Try shutting the G4 completely down, waiting about 15 seconds, and then booting the Mac with the shift key down. That should clean up a lot, as it gives a safe boot. Then go to disc utilities and repair permissions. That might clean the whole thing up for you. If sounds like it's a Finder problem. If that doesn't work, boot from Disc Warrior or Tech Tools and run a few tests. Good luck!

May 09, 2008 | Apple iMac G4 Desktop

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