Power Mac G4 1.25Dual shuts down when pressing T for target disk mode

I am hoping someone might be able to help me with this. I am trying to put my G4 dual 1.25Ghz into target disk mode to transfer my apps and settings to my new Quad G5. I start the G4, hold "t", and instead of showing me the comforting bouncing firewire symbol, the computer shuts down completely. Restarting it without holding "t" will result in normal bootup. I have tried a different keyboard and power cable to no avail. I have reset open firmware, reset the PMU all to no avail. Any ideas would be greatly appreciated.

Thanks for the response Dale. Unfortunately the computer I am putting into Target Disk Mode (The G4 1.25Dual) definitely has an ATA bus. I use target disk mode with other computers in the studio almost daily so was somewhat surprised to see that this one just shuts down instead. I am still hoping someone might have some insight.

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What is the set-up when transfer files through target disk mode

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If you mean that it just shuts off without any warning, then this might help:
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Well, you do not want to use a Disk with problems for anyehing, have you tried...
1. Insert the Mac OS X Install disc, then restart the computer while holding the C key.
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http://docs.info.apple.com/article.html?artnum=106214
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http://www.alsoft.com/DiskWarrior/
Your best bet is DiskWarrior, you need the CD/DVD though.
http://www.alsoft.com/DiskWarrior/
But others that may work…
Drive Genius…
http://www.prosofteng.com/products/drive_genius.php
TechTool Pro…
http://www.micromat.com/index.php?option=com_content&task=view&id=31&Itemid=83

My new mac Mini (Feb, 2013) shuts down when we are listening to iTunes or Pandora. Any thoughts?

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From the menu bar, select
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Power Mac G4 won't shut down

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Kind regards,
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First, try using Disk Utility to repair your startup disk (hard drive) as shown in Dr.Smokes repair thread.
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Here's his Spinning Beachball link.
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Cheers!
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sweetboo5
This current thread represents a duplicate of the original
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Dolly Jeane
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Add On....
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My Mac Book Pro 13 inch shuts down when I insert some usb on port. It will be dead for few days (no power, can't charge as well, no restarting) and after few days it will work? Any one facing same issue and any solutions please...

My Mac Book Pro 13 inch shuts down when I insert some usb on port. It will be dead for few days (no power, can't charge as well, no restarting) and after few days it will work? Any one facing same issue and any solutions please...

Hi ohmghimire,
Thanks for visiting Apple Support Communities.
If you're seeing unexpected behavior when using USB devices, try resetting the SMC on your MacBook Pro:
Resetting the SMC on portables with a battery you should not remove on your own
Note: Portable computers that have a battery you should not remove on your own include MacBook Pro (Early 2009) and later, all models of MacBook Air, and MacBook (Late 2009).
Shut down the computer.
Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
Release all the keys and the power button at the same time.
Press the power button to turn on the computer.
Note: The LED on the MagSafe power adapter may change states or temporarily turn off when you reset the SMC.
You can find the article with these steps here:
Intel-based Macs: Resetting the System Management Controller (SMC)
http://support.apple.com/kb/HT3964
If you still see this behavior after resetting the SMC, or your computer won't turn on, try the steps in this article next:
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http://support.apple.com/kb/ts1367
Best Regards,
Jeremy

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Hi,
my Mini has been also suddenly shutting down. Power light goes off. Not at start-up. First it lasts longer, but gradually, as I restart it, it gradually takes less and less time to suddenly shut down. Or yesterday, for example, I tryied starting it up and not touching it. It lasted for hours. Thought it was cured. Then I popped a CD in and opened iTunes. Didn't take to long before it was shutting down all of a sudden. It would seem not to be able to take any activity. Here is a Console Message I run a few days ago:
(in the meanwhile I'll try Safe Mode)
2/1/09 12:30:20 PM com.apple.launchctl.System[2] fsck_hfs: Volume is journaled. No checking performed.
2/1/09 12:30:20 PM com.apple.launchctl.System[2] fsck_hfs: Use the -f option to force checking.
2/1/09 12:30:23 PM com.apple.launchctl.System[2] launchctl: Please convert the following to launchd: /etc/mach_init.d/dashboardadvisoryd.plist
2/1/09 12:30:23 PM com.apple.launchd[1] (com.apple.blued) Unknown key for boolean: EnableTransactions
2/1/09 12:30:23 PM com.apple.launchd[1] (com.apple.ODSAgent) Unknown key: SHAuthorizationRight
2/1/09 12:30:23 PM com.apple.launchd[1] (org.cups.cupsd) Unknown key: SHAuthorizationRight
2/1/09 12:30:23 PM com.apple.launchd[1] (org.ntp.ntpd) Unknown key: SHAuthorizationRight
2/1/09 12:30:40 PM com.apple.SystemStarter[31] Starting Qmaster services
2/1/09 12:30:40 PM org.ntp.ntpd[29] Error : nodename nor servname provided, or not known
2/1/09 12:32:57 PM com.apple.launchd[1] (com.apple.UserEventAgent-LoginWindow[80]) Exited: Terminated
2/1/09 1:36:43 PM com.apple.launchctl.System[2] fsck_hfs: Volume is journaled. No checking performed.
2/1/09 1:36:43 PM com.apple.launchctl.System[2] fsck_hfs: Use the -f option to force checking.
2/1/09 1:36:46 PM com.apple.launchctl.System[2] launchctl: Please convert the following to launchd: /etc/mach_init.d/dashboardadvisoryd.plist
2/1/09 1:36:46 PM com.apple.launchd[1] (com.apple.blued) Unknown key for boolean: EnableTransactions
2/1/09 1:36:46 PM com.apple.launchd[1] (com.apple.ODSAgent) Unknown key: SHAuthorizationRight
2/1/09 1:36:46 PM com.apple.launchd[1] (org.cups.cupsd) Unknown key: SHAuthorizationRight
2/1/09 1:36:46 PM com.apple.launchd[1] (org.ntp.ntpd) Unknown key: SHAuthorizationRight
2/1/09 1:36:57 PM org.ntp.ntpd[24] Error : nodename nor servname provided, or not known
2/1/09 1:36:57 PM com.apple.SystemStarter[26] Starting Qmaster services
2/1/09 1:37:39 PM com.apple.launchd[1] (com.apple.UserEventAgent-LoginWindow[73]) Exited: Terminated
2/1/09 1:52:22 PM com.apple.launchctl.System[2] fsck_hfs: Volume is journaled. No checking performed.
2/1/09 1:52:22 PM com.apple.launchctl.System[2] fsck_hfs: Use the -f option to force checking.
2/1/09 1:52:25 PM com.apple.launchctl.System[2] launchctl: Please convert the following to launchd: /etc/mach_init.d/dashboardadvisoryd.plist
2/1/09 1:52:25 PM com.apple.launchd[1] (com.apple.blued) Unknown key for boolean: EnableTransactions
2/1/09 1:52:25 PM com.apple.launchd[1] (com.apple.ODSAgent) Unknown key: SHAuthorizationRight
2/1/09 1:52:25 PM com.apple.launchd[1] (org.cups.cupsd) Unknown key: SHAuthorizationRight
2/1/09 1:52:25 PM com.apple.launchd[1] (org.ntp.ntpd) Unknown key: SHAuthorizationRight
2/1/09 1:52:36 PM org.ntp.ntpd[24] Error : nodename nor servname provided, or not known
2/1/09 1:52:37 PM com.apple.SystemStarter[26] Starting Qmaster services
2/1/09 1:52:57 PM com.apple.launchd[1] (com.apple.UserEventAgent-LoginWindow[74]) Exited: Terminated
2/1/09 1:54:38 PM com.apple.launchctl.System[2] fsck_hfs: Volume is journaled. No checking performed.
2/1/09 1:54:38 PM com.apple.launchctl.System[2] fsck_hfs: Use the -f option to force checking.
2/1/09 1:54:39 PM com.apple.launchctl.System[2] BootCacheControl: could not open /var/db/BootCache.playlist: No such file or directory
2/1/09 1:54:39 PM com.apple.launchctl.System[2] BootCacheControl:
2/1/09 1:54:39 PM com.apple.launchctl.System[2] could not unlink playlist /var/db/BootCache.playlist: Unknown error: -1
2/1/09 1:54:40 PM com.apple.launchctl.System[2] launchctl: Please convert the following to launchd: /etc/mach_init.d/dashboardadvisoryd.plist
2/1/09 1:54:40 PM com.apple.launchd[1] (com.apple.blued) Unknown key for boolean: EnableTransactions
2/1/09 1:54:40 PM com.apple.launchd[1] (com.apple.ODSAgent) Unknown key: SHAuthorizationRight
2/1/09 1:54:40 PM com.apple.launchd[1] (org.cups.cupsd) Unknown key: SHAuthorizationRight
2/1/09 1:54:40 PM com.apple.launchd[1] (org.ntp.ntpd) Unknown key: SHAuthorizationRight
2/1/09 1:54:50 PM org.ntp.ntpd[25] Error : nodename nor servname provided, or not known
2/1/09 1:54:53 PM com.apple.SystemStarter[27] Starting Qmaster services
2/1/09 1:56:27 PM com.apple.launchctl.System[2] fsck_hfs: Volume is journaled. No checking performed.
2/1/09 1:56:27 PM com.apple.launchctl.System[2] fsck_hfs: Use the -f option to force checking.
2/1/09 1:56:28 PM com.apple.launchctl.System[2] BootCacheControl: could not open /var/db/BootCache.playlist: No such file or directory
2/1/09 1:56:28 PM com.apple.launchctl.System[2] BootCacheControl: could not unlink playlist /var/db/BootCache.playlist: Unknown error: -1
2/1/09 1:56:29 PM com.apple.launchctl.System[2] launchctl: Please convert the following to launchd: /etc/mach_init.d/dashboardadvisoryd.plist
2/1/09 1:56:29 PM com.apple.launchd[1] (com.apple.blued) Unknown key for boolean: EnableTransactions
2/1/09 1:56:29 PM com.apple.launchd[1] (com.apple.ODSAgent) Unknown key: SHAuthorizationRight
2/1/09 1:56:29 PM com.apple.launchd[1] (org.cups.cupsd) Unknown key: SHAuthorizationRight
2/1/09 1:56:29 PM com.apple.launchd[1] (org.ntp.ntpd) Unknown key: SHAuthorizationRight
2/1/09 1:56:40 PM org.ntp.ntpd[25] Error : nodename nor servname provided, or not known
2/1/09 1:56:41 PM com.apple.SystemStarter[27] Starting Qmaster services
2/1/09 2:02:45 PM com.apple.launchctl.System[2] fsck_hfs: Volume is journaled. No checking performed.
2/1/09 2:02:45 PM com.apple.launchctl.System[2] fsck_hfs: Use the -f option to force checking.
2/1/09 2:02:46 PM com.apple.launchctl.System[2] BootCacheControl: could not open /var/db/BootCache.playlist: No such file or directory
2/1/09 2:02:46 PM com.apple.launchctl.System[2] BootCacheControl: could not unlink playlist /var/db/BootCache.playlist: Unknown error: -1
2/1/09 2:02:47 PM com.apple.launchctl.System[2] launchctl: Please convert the following to launchd: /etc/mach_init.d/dashboardadvisoryd.plist
2/1/09 2:02:47 PM com.apple.launchd[1] (com.apple.blued) Unknown key for boolean: EnableTransactions
2/1/09 2:02:47 PM com.apple.launchd[1] (com.apple.ODSAgent) Unknown key: SHAuthorizationRight
2/1/09 2:02:47 PM com.apple.launchd[1] (org.cups.cupsd) Unknown key: SHAuthorizationRight
2/1/09 2:02:47 PM com.apple.launchd[1] (org.ntp.ntpd) Unknown key: SHAuthorizationRight
2/1/09 2:02:57 PM org.ntp.ntpd[25] Error : nodename nor servname provided, or not known
2/1/09 2:03:00 PM com.apple.SystemStarter[27] Starting Qmaster services
2/1/09 2:03:24 PM com.apple.launchd[1] (com.apple.UserEventAgent-LoginWindow[74]) Exited: Terminated
2/1/09 3:08:48 PM com.apple.launchctl.System[2] fsck_hfs: Volume is journaled. No checking performed.
2/1/09 3:08:48 PM com.apple.launchctl.System[2] fsck_hfs: Use the -f option to force checking.
2/1/09 3:08:51 PM com.apple.launchctl.System[2] launchctl: Please convert the following to launchd: /etc/mach_init.d/dashboardadvisoryd.plist
2/1/09 3:08:51 PM com.apple.launchd[1] (com.apple.blued) Unknown key for boolean: EnableTransactions
2/1/09 3:08:51 PM com.apple.launchd[1] (com.apple.ODSAgent) Unknown key: SHAuthorizationRight
2/1/09 3:08:51 PM com.apple.launchd[1] (org.cups.cupsd) Unknown key: SHAuthorizationRight
2/1/09 3:08:51 PM com.apple.launchd[1] (org.ntp.ntpd) Unknown key: SHAuthorizationRight
2/1/09 3:09:01 PM org.ntp.ntpd[24] Error : nodename nor servname provided, or not known
2/1/09 3:09:02 PM com.apple.SystemStarter[26] Starting Qmaster services
2/1/09 3:12:51 PM com.apple.launchd[1] (com.apple.UserEventAgent-LoginWindow[74]) Exited: Terminated

My mac mini will not shut down. I need to manually shut it off with the power button.

My mac mini will not shut down or restart. I need to manually shut it off with the power button.

If you have more than one user account, these instructions must be carried out as an administrator.
Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
Step 1
Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left. If you don't see that menu, select
View ▹ Show Log List
from the menu bar.
Enter "BOOT_TIME" (without the quotes) in the search box. Note the timestamps of those log messages, which refer to the times when the system was booted. Now clear the search box and scroll back in the log to the last boot time after you had the problem. Select the messages logged before the boot, while the system was unresponsive or was failing to shut down. Copy them to the Clipboard by pressing the key combination command-C. Paste into a reply to this message (command-V). Please include the BOOT_TIME message at the end of the log extract.
If there are runs of repeated messages, post only one example of each. Don’t post many repetitions of the same message.
When posting a log extract, be selective. In most cases, a few dozen lines are more than enough.
Please do not indiscriminately dump thousands of lines from the log into this discussion.
Important: Some private information, such as your name, may appear in the log. Anonymize before posting.
Step 2
Still in Console, look under System Diagnostic Reports for crash or panic logs, and post the entire contents of the most recent one, if any. In the interest of privacy, I suggest you edit out the “Anonymous UUID,” a long string of letters, numbers, and dashes in the header of the report, if present (it may not be.) Please don’t post any other kind of report — it will be very long and not helpful.

MacBook shuts down when not connected to power supply

Hey everyone, I'm making this topic for an issue that has gotten me edgy lately.
My MacBook (not new) has a habit on shutting down on me instantly for some reason when the MacBook is not plugged into charge. Here is the strange thing though, if I unplug the charger plug and set it still on my desk, I have more of a chance of the laptop not failing on me, but when I carry the MacBook around, it has a 90% (guestimate) chance of shutting down on me.
Even after having the laptop plugged in for 12 hours, the laptop just goes into suspend mode.
I have to wait a couple of seconds before I can turn it back on (by pressing the power button, not any key).
Also, when I shut down more programs at certain times when not plugged in, and having the screen brightness low, the Mac does not shut down so fast.
Any advice?!
Thanks
Message was edited by: Biz Bizzle

Could be you battery. Mine shuts down when showing 40% charge left and I have to plug it into the power supply to fix it. I found out it was the battery by downloading coconut battery. It's an application that allows you to check the status of your battery (Link at bottom). I suggest you get that and when your macbook shuts down again, plug it into the mains, start it up and run coconut battery. If it shows your nearly out of battery power then that's your problem.
I was showing 40% left when it shut down. Did the above and I had no power left. It happens when the battery is old about 250-400 loadcycles
Hope this helps.
http://www.coconut-flavour.com/coconutbattery/index.html

Battery doesn't charge AND frequent shut down when only on AC power

Hello all,
I've spent some time browsing and searching this forum to avoid asking a question that has already been answered but I haven't seen a complete answer to this situation so here goes.
I have a Lenovo 3000 N100 model 0768DKU. Battery (P/N 92P1185) started not charging/not holding a change about 6-8 months ago AND the laptop now abruptly shuts down even when on AC power. From the forum I found out about the 18 month battery replacement policy but I'm just a few months past the 18 months so out of luck there. Normally I would just buy a new battery but the last few months I've been getting very frequent shut downs when the laptop is exclusively on AC power even with the battery removed! This has kept me from buying a battery because the laptop won't stay on even when it's plugged into the wall then how will a battery help?
This has really thrown me for a loop since the laptop may run 30 minutes then it's dead like you pulled the power cord. Turn it back on maybe 10 minutes then dead, or 5 minutes then dead repeat over and over.
Steps I've taken since browsing the forums:
Virus scans/spyware are clean
Used compressed air on the fan vent to remove a little dust, opened up and sprayed out dust nothing major.
Speedfan is reporting cpu temperatures of 65C to 69C at 99% idle.
Reseated memory
Questions:
Would a new battery potentially solve this problem? I'm not sure how since it shuts down even with the battery removed and only the power cord plugged in.
Bad AC adapter?
Thermal problem? It looks like the cpu is still below temperature ranges based on Intel but it sure seem like a thermal problem to me the way it shuts down. I'm trying some new thermal grease tonight but not sure if that will realy make a difference.
Any suggestions, I'd hate for it to be motherboard, etc.
Sorry if this was answered elsewhere I've seen all the battery posts but not how the battery would address the fact the laptop shuts down even when on AC power with or without the battery installed.
Thanks,
Chad

Hard reset didn't work for me either, thanks for the tip it was worth a shot.
Thermal paste kept temps lower around 45C still suddenly shut off like usual while on AC power. 3, 5, minutes, etc. Doesn't appear to be thermal.
Could the "bad" battery somehow be messing up the power circuit and cutting off. Looks like the battery problem with these units is huge wish I'd been looking earlier since I was within the extended 18 month period at the time. Just want to hear that someone bought a battery and it fixed the problem....

Power Mac G4 1.25Dual shuts down when pressing T for target disk mode

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