G5 Dual 2.5 Randomly Sleeps

All of a sudden my G5 dual 2.5 has started putting itself to sleep randomly and frequently (minutes between sleep). I can wake it up fine but I can't get any work done. I'm running 10.3.9. I don't have any of the energy saver settings set to sleep (computer, hard drive or monitor) and I never have. It runs 24/7. The only software that has changed recently is an iTunes upgrade to 7.6.2.
I disconnected everything except ethernet, monitor and the USB keyboard and mouse. I can get it to run fine if I remove the air deflector. I worked on it for about 5 hours today with the deflector off and had no problems. I cannot see any signs of a coolant leak.
Although I'm certain it's a hardware problem. I tried running DiskWarrior from a special boot CD. It starts up fine from the CD and I can start DiskWarrior. But when it gets to step 6 (building replacement directory structure) it starts to go to sleep (all the fans stop and the monitor goes black). I hit the space bar and it wakes back up. The fans start up again and DiskWarrior continues. I've tried it twice with the same results. I never actually do the rebuild though because I'm afraid it will go to sleep and totally screw up the hard drive. The fact that the sleep problem exists even when running off the CD suggests that I have some sort of hardware problem doesn't it?

I disconnected the power over night and reset the PMU. Neither changed anything. Here's what looks to be a relevant section of the console log.
Apr 8 22:17:09 localhost kernel: PowerMac7,3 Thermal Manager: Thermal Runaway Detected: System Will Sleep
Apr 8 22:17:09 localhost kernel: PM73 T_cur=108 >= (T_max:88 + sleepOffset:20)
Apr 8 22:17:09 localhost kernel: PowerMac72PlatformPlugin core dump:
Apr 8 22:17:09 localhost kernel: IOHWControls:
Apr 8 22:17:09 localhost kernel: [0] "PWR SUPPLY" Type:"fan-pwm" Id:8960 TGT:16 CUR:42
Apr 8 22:17:09 localhost kernel: ASC::setProperties ERROR: invalid OSNumber
Apr 8 22:17:09 localhost kernel: [1] "Clock Slew" Type:"slew" Id:16 TGT:1 CUR:1
Apr 8 22:17:09 localhost kernel: [2] "CPU A ACS" Type:"fan-rpm" Id:16384 TGT:3200 CUR:0
Apr 8 22:17:09 localhost kernel: [3] "CPU B ACS" Type:"fan-rpm" Id:16640 TGT:3200 CUR:5294
Apr 8 22:17:09 localhost kernel: [4] "CPU A Intake Fan" Type:"fan-rpm" Id:17152 TGT:3104 CUR:412
Apr 8 22:17:09 localhost kernel: [5] "CPU A Exhaust Fan" Type:"fan-rpm" Id:17408 TGT:3200 CUR:1020
Apr 8 22:17:09 localhost kernel: [6] "CPU B Intake Fan" Type:"fan-rpm" Id:17664 TGT:3104 CUR:414
Apr 8 22:17:09 localhost kernel: [7] "CPU B Exhaust Fan" Type:"fan-rpm" Id:17920 TGT:3200 CUR:1019
Apr 8 22:17:09 localhost kernel: [8] "Drive Bay Fan" Type:"fan-rpm" Id:16896 TGT:1000 CUR:4958
Apr 8 22:17:09 localhost kernel: [9] "AGP/PCI Slot Fan" Type:"fan-pwm" Id:18944 TGT:11 CUR:682
Apr 8 22:17:09 localhost kernel: [10] "U3/Backside Fan" Type:"fan-pwm" Id:18688 TGT:7 CUR:3278
Apr 8 22:17:09 localhost kernel: IOHWSensors:
Apr 8 22:17:09 localhost kernel: [0] "CPU A POWER" Type:"power" Id:48 CUR:44.12080 W
Apr 8 22:17:09 localhost kernel: [1] "CPU B POWER" Type:"power" Id:49 CUR:46.33390 W
Apr 8 22:17:09 localhost kernel: [2] "CPU A AD7417 AD4" Type:"current" Id:14 CUR:35.50240 A
Apr 8 22:17:09 localhost kernel: [3] "CPU A AD7417 AD3" Type:"voltage" Id:13 CUR:1.15424 V
Apr 8 22:17:09 localhost kernel: [4] "CPU B AD7417 AD4" Type:"current" Id:19 CUR:37.23168 A
Apr 8 22:17:09 localhost kernel: [5] "CPU B AD7417 AD1" Type:"temperature" Id:16 CUR:108.1427 C
Apr 8 22:17:09 localhost kernel: [6] "CPU B AD7417 AD2" Type:"current" Id:17 CUR:8.6112 A
Apr 8 22:17:09 localhost kernel: [7] "CPU A AD7417 AMB" Type:"temperature" Id:10 CUR:22.16384 C
Apr 8 22:17:09 localhost kernel: [8] "CPU B AD7417 AMB" Type:"temperature" Id:15 CUR:21.49152 C
Apr 8 22:17:09 localhost kernel: [9] "CPU A AD7417 AD2" Type:"current" Id:12 CUR:7.42048 A
Apr 8 22:17:09 localhost kernel: [10] "BACKSIDE" Type:"temperature" Id:6 CUR:18.40960 C
Apr 8 22:17:09 localhost kernel: [11] "U3 HEATSINK" Type:"temperature" Id:7 CUR:64.0 C
Apr 8 22:17:09 localhost kernel: [12] "DRIVE BAY" Type:"temperature" Id:4 CUR:24.32768 C
Apr 8 22:17:09 localhost kernel: [13] "CPU B AD7417 AD3" Type:"voltage" Id:18 CUR:1.16064 V
Apr 8 22:17:09 localhost kernel: [14] "CPU A AD7417 AD1" Type:"temperature" Id:11 CUR:103.40959 C
Apr 8 22:17:09 localhost kernel: [15] "SLOT 12V" Type:"power" Id:20480 CUR:0.0 W
Apr 8 22:17:09 localhost kernel: [16] "SLOT 5V" Type:"power" Id:20736 CUR:0.0 W
Apr 8 22:17:09 localhost kernel: [17] "SLOT 3.3V" Type:"power" Id:20992 CUR:0.0 W
Apr 8 22:17:09 localhost kernel: [18] "SLOT COMBINED" Type:"power" Id:21248 CUR:8.37888 W
Apr 8 22:17:09 localhost kernel: IOHWCtrlLoops:
Apr 8 22:17:09 localhost kernel: [0] "U3/Backside Fan" Id:7 MetaState:0 "Normal"
Apr 8 22:17:09 localhost kernel: [1] "CPU Cooling" Id:6 MetaState:1 ""
Apr 8 22:17:09 localhost kernel: [2] "Clock Slew" Id:0 MetaState:1 "Force Reduced Speed"
Apr 8 22:17:09 localhost kernel: [3] "Drive Bay Fan" Id:1 MetaState:0 "Normal"
Apr 8 22:17:09 localhost kernel: [4] "PCI Slot Fan" Id:5 MetaState:0 "Normal"
Apr 8 22:17:09 localhost kernel: ---------------------------------
Apr 8 22:17:09 localhost mDNSResponder[180]: mDNSResponder Sleeping at 59405652
Apr 8 22:19:09 localhost kernel: Power Management received emergency overtemp signal. Going to sleep.
Apr 8 22:19:40 localhost last message repeated 31 times
Apr 8 22:21:41 localhost last message repeated 121 times
The last part about the overtemp signal doesn't sound good.

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Macbook Pro Early 2009 Randomly Sleeps / Black Screen While In use

My macbook pro Early 2009, randomly goes to sleep while I am using the computer, I first noticed it occuring while I was using the mini display adapter to a computer monitor, and using a second monitor and watching a movie, the screen would go blank and I would have to wake it from sleep for it to come back on, sometimes closing the lid, sometimes pressing the trackpad, or keyboard to get it to work again, sometimes it would go back to sleep within 1 minute of waking.
I assume the problem could have been from perhaps water damage, as I recently used a wet paper towel to clean my keyboard, and perhaps the paper towel was a little to moist, not overly but perhaps just enough to damage the sleep sensor. I am still unsure where that is located, the only other problem I have noticed with the computer is my [battery service indicator] notification has been on for the last year, but since I never used the battery, I always have it plugged in at the desk I never bothered getting it serviced. So
I'm assuming its the Sleep Sensor? but here is what I hace done, just to make sure its not software. I was orignaly running 10.8, and after being frustrated while watching a movie and having my computer sleep every 2 minutes, I whipped my hardrive, put 10.9 developers preview on a usb and installed that.
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I can see Icons like, brightness, and sound, when adjusting the levels, but screen is black behind the icons
The mouse pointer cursor is visible but the screen is black
I can move the mouse and hear system sounds, but screen is black. Now I have to actually restart the computer because It seems like I cannot wake it up at all.
So I formatted the hardrive again and
I tried reinstalling Leopard OSX , as that was the disc that came with the mac,
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I ran hardware diagnostic off the leopard disc 2, by pressing the D key on startup with disc in drive, extended hardware test reported no problems.
I SMC reset and PRAM reset, [control]+[option]+[shift]+[powerbutton] while computer is turned off with power plugged in
and after that failed I tried pressing [Option]+[Command]+[P]+[R] before startup chime, chime repeat let go of keys and it booted normally.
Then computer randomly sleeps while in use, while using safari and it has happened 3 times within 2 minutes of typing this.
I have downloaded a program called InsomniaX, and activated the disable sleep for Lid and Idle, but now the screen will randomly just go black and then turn back on, sometimes it will just black screen for 10 seconds and come back on, altho after changing some more of the settings It appears to be not as frequent. It hasen't gone to sleep since writing this entire paragraph, so thats a good sign.
I was going to take it into the apple store, and have them run diagnostics, but I hate going into those stores because of all the iphone people, crowding the place.
Well my screen just blacked and came back within 10 seconds on while I typing this line so InsomniaX didn't work. I hope having the sleep sensor replaced isn't too expensive, or if my model even has such a sensor.
I read on another topic that this problem can be replicated by users putting a magnet on their laptop, something like an iphone or a money clip or even having one of these in their pocket while using the macbook on their lap. I have not had anything near the computer, so I have a different problem.
Just thought Id document this, will let you know what happens after the diagnostic, I tried apple support, and they said I did more than they would have done, so he couldn't really tell me anything besides take it into genius bar, (is that what its still called) and have them run diagnostic, [note its different than the hardware test on the cd]
and my computer screen goes black again, wow..

Hi pictureswithPS, welcome to Apple Discussions!
1. I have an original late-2008 unibody MBP that was purchased a week after the introduction. I have never had a single "black screen of death" ever, and I do some gaming under OS X on my machine. The heat issues are, in my humble opinion, greatly exaggerated. Does the machine get warm? Yes. However, any computer with this much power in this thin of an enclosure is going to get warm. Mine has never crashed, frozen, black screened, etc. once.
2. I don't think PS is particularly intensive on the graphics card. It may use the graphics card, yes, but I don't think it will be quite as intensive as a 3D modeling application or 3D games. I would doubt you would ever run into problems anyway.
3. Lastly I am aware that their are tools to manage fan speed behavior - as a workaround to cool down temperatures. Using this software would it void the warranty that is provided by Apple?
No, it wouldn't likely void the warranty. However, if your fans die prematurely as a result of running them at high speeds for extended periods of time, I doubt Apple would be especially happy about replacing them. I do not use any 3rd party tools to manage my fans, and never will. It is simply not necessary.
--Travis

Random sleep mode after Mountain Lion install

Hello, I have a MacBook air 11" late 2011.
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At odd times, the display and keyboard backlight of my Macbook randomly sleep. The computer continues to wake after I click the trackpad, or press a few keys. The display sleep is not as a result of inactivity, while I am using it, typing, surfing or otherwise, it will sleep. It sometimes acts as a flicker because I am typing as it sleeps and wakes. The same thing can be reproduced by pressing the controlshifteject buttons.
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Apparently, the issue deals with the Logic board, and the motion sensor. I'm sure its repairable, unfortunately, Apple has lost me as a customer. I found that the audio device in my new Macs powersaves, making an annoying poping sound, that can be found here > http://discussions.apple.com/thread.jspa?threadID=2108844&tstart=0 .
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W520 random sleeping and black screens - videos of issue attached

Btw my mobo,cpu,memory i believe were all replaced last time i took it in with this issue...
Still getting it consistantly:
Random Black Screens and Random Sleeping:
www.youtube.com/watch?v=AvWl9ck26xI
Black Screen:
www.youtube.com/watch?v=7A3NqnC80iU
I thought before maybe its Bluetooth related as sometimes when screen would turn black and then come back, I would get a 'Bluetooth Device Not Discoverable'. So turned off Bluetooth in the BIOS, but still having display/sleep issues.
I removed hte Lenovo Power Manager/PM Driver, and turned off sleeping in the Windows power settings (in every setting including if Low Battery Action). Any ideas?
I just upgraded to a 3 year warranty (the more expensive one), should i just ask to replace mobo/cpu/memory again or will Lenovo actually test it for other issues?
Thanks,
Ari
Solved!
Go to Solution.

Well my issue wasn't an external monitor... it would goto sleep by itself when Im trying to write code/programming... then randomly wake and go back to sleep up constantly ruining workflow (or wait a few hours Im sleeping at odd times in the morning lol). or the monitor would turn black suddenly. I think I tested via external monitor but didn't matter what result was, the random sleeping issues indicated a larger issue.
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Their newer W540 manual seems to indicate do an OS on mSATA at your expense.
Do you have an mSATA OS? Anyway, thats a very small chance. not sure.

Random sleeping, sporatic battery

Well maybe not random sleeping....
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Well maybe not random sleeping....
So I have been having some battery issues lately, and as such I have been re-calibrating the battery often. Right when I started having the battery issues, i started having the following problem:
Usually, when my battery gets at about 10%, I get a warning that lets me know that I need to plug in my macbook before it dies. Lately, I get no warning and it goes to sleep at around 20-30%
Any ideas on what is going on
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10-29-2006 90% (4694 mAh)
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10-31-2006 60% (3142 mAh)
10-31-2006 64% (3330 mAh)
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11-01-2006 92% (4813 mAh)
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Random Sleep/Shutdown

As of recent my mini has started to randomly sleep and shutdown for no apparent reason. I have disabled all sleep options in energy savings, I have rebooted, I've removed all hardware, and still I get a shutdown or sleep every 20 seconds or so. I have no idea what to do.
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I had this same problem today, and I found that if the cable wire has broken away from it's solder that the fan likes to simulate a button press. Since you have to buy the entire bottom frame for the modular button I found a temporary solution that will work for now.
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Dual g5 goes to sleep in about every 6 seconds when i,m working , i tap the key and it wakes but goes back to sleep in about 6 seconds. when i,m working,

dual g5 goes to sleep when i,m working on it every 6 seconds, wakes up when i tap the mouse but goes back to sleep in about 6 seconds.

Get Temperature Monitor to see if it's heat related...
http://www.macupdate.com/info.php/id/12381/temperature-monitor
And/or iStat Pro...
http://www.islayer.com/apps/istatpro/
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Will watch for your report.

G5 Quad, fans @ full blast & random sleeping..

I'm using a PowerMac G5 Quad, 2.5ghz, running OS x 10.5.8 I have a problem with random sleeping,
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It has done it within minutes of starting up. After it goes to sleep it can be woken with a mouse click of keyboard stroke,
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Another symptom is constantly noisy fans.
How can I tell which firmware is running on the machine now?
Can anybody advise a course of action?

mrchrishouse wrote:
OK I,ve found my boot ROM version, It's 5.2.7f1 which is higher than any mentioned in any updates.
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Still have fans @full blast at all times.
What controls the fans? Is there somthing else I can re-load or reset?
There's always the SMU reset: http://support.apple.com/kb/HT1436
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Dual displays, one to sleep?

I have a dual monitor configuration with my new Mac Pro cylinder. One display is Thunderbolt, the other a Cinema Display (mini connector).
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SwitchResX
<http://www.madrau.com/srx_howtouseit/srx_howtouseit/srx_switchresx_menus.html>
can disable and enable displays.

Randomly sleeps

Running rMBP on 10.9.2, my computer will completely randomly go to sleep. The screen will just go black and keyboard lights turn off, then I have to wait 10 or so seconds to turn back on. Why?

A number of sleep-related issues can appear after incremental Mac OSX updates, including the inability to properly go to sleep, problems waking from sleep, and having your display go to sleep without your Mac going to sleep. The most common culprit is Bluetooth. Try these tips to fix your sleep problems.
WAKE UP
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FILE CORRUPTION
Your Bluetooth preference file may be corrupt-you'll need to delete it. Turn Bluetooth off, then go to the /Users/user name/Library/Preferences folder. Look for a file called com.apple.Bluetooth.plist and trash it.The OS will create a new preference file when you enable Bluetooth again.
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Some, in these forums, have had luck fixing sleep issues downloading the Combo update from this site (yours may be corrupt), not Software Update, disconnect all firewire + USB devices except keyboard + mouse, Repair Permissions, re-install update, Repair Permissions again + try.
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DALE

Dual monitor freeze on sleep

Mac OS X 10.9.5. Current model iMac: 3.5GHh i7. 32GB main mem. NVDIA GeForce GTX 780M 4096MB.
Runs fine without a second monitor. Sleep, both manual and timeout, works fine. Press any key awakes.
Plug in a second monitor (2 month old 27" Thunderbolt display) all works fine until Sleep happens, both manual and timeout, and then system is hard frozen. No wakey. Press and hold on/off key for a long time. Wait. Press on/off key 3 times, reboots and all is as before.
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Hi! Did you ever find a solution? I just bought a 2013 iMac and have the same problem- except mine will allow a login after sleep after an initial freeze of 4-5 seconds. Dual monitors as well.

Intermittent Dual Display Issue - Random "Detect Displays"?

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It is as if it 'looses' the dual display then gains it back. And the 'blue screen' seems the equivalent of "Detect Displays" being randomly instantiated.
[NOTE: the 'blue screen' is not the screen of death nor does the MBP lock up. In fact, as I've typed in this posting, it has happened approx. six times, I can keep typing and when the screen returns the stuff I typed in while the screen is blue is all there.)
I've checked the cables, the connectors, the power sources, etc.
Thoughts?

This has been happening to me regularly since buying one of the new mid-2009 MacBook Pros. It had never happened with my previous early-2008 MacBook Pro.
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Slow start up & shut down, freezes randomly, sleep issues

My mother has an iMac Intel Core 2 Duo, 2.8 GHz, model iMac8,1, with 4 GB RAM, and a 300 GB hard drive. She uses this computer primarily for email and the internet, and some writing using Pages. So on her hard drive, only 22 GB is used, and the rest is free. She is on OS 10.6.8.
She originally had 2 GB RAM so I thought the lack of RAM was causing her issues. So I recently installed 4 GB RAM, but she's still having problems.
A few of the problems are:
• She'd be typing an email and the monitor will suddenly go black.
• Safari and Mail sometimes are really slow to load, and often we get the spinning beachball.
•   Random freezes, especially in Safari, Mail and Pages.
•   It takes a long time to go to sleep.
•   It takes a long time to start up and/or shut down.
When the computer freezes, she'd try to restart it, and when that fails, she'd try to manually shut it down by pressing and holding the power button. Sometimes that doesn't even work and she ends up unplugging it.
She still has the same issues, even with the 4 GB of RAM. Her iMac is 2.8 GHz but seems very slow to me (and my MacBook Pro is only 2.0 GHz!)
I ran the Tech Tool Deluxe that she has with the extended Apple Care, and everything passed. I was also concerned about the hard drive's S.M.A.R.T. status, but Disk Utility reported that the S.M.A.R.T. status was verified. I ran the Apple Hardware test in Extended Mode, and everything passed. I also reset the SMC too, along with the PRAM. And of course repaired permissions. PageOuts are zero, and was even zero before increasing the RAM from 2 GB to 4 GB.
I checked Console, and I did find a few weird items that came up often:
com.apple.print.FaxPrefs.Fax#lookup
/usr/bin/fax
So I deleted the first one, but was unable to find the second one to delete. I figured it was from my mother's old all-in-one HP which has since been replaced with an Epson, as it seemed to be looking for a fax number or something. I had hoped all my work along with the new RAM would solve the problems but they haven't.
Thank you in advance for any help and suggestions.

One way to test is to Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, Test for problem in Safe Mode...
PS. Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive
Reboot, test again.
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Check the System Preferences>Other Row, for 3rd party Pref Panes.
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/private/var/run/StartupItems
/Library/StartupItems
/System/Library/StartupItems
/System/Library/LaunchDaemons
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G5 Dual 1.8Ghz -randomly very NOISY & FAST fan!

Hi I couldn't find a post for this elsewhere!
1 or 2 times a week my G5 dual 1.8Ghz fan will begin to speed up and become incredibly fast and noisy, when this happens it doesn't slow back down, it keeps going!
Once this begins I am often unable to shutdown or restart the computer and I have to resort to pressing the power button.
On restarting the fan is normal again, but it always happens again at some point.
This happens while the computer is 'awake', but might have happened from sleep once or twice (I can't remember).
Many thanks for your help,
Colin
G5 dual 1.8Ghz Mac OS X (10.3.9) 2gb RAM

Hello Colin and welcome to the Apple forums.
1 or 2 times a week my G5 dual 1.8Ghz fan will begin to speed up and become incredibly fast and noisy, when this happens it doesn't slow back down, it keeps going!
Once this begins I am often unable to shutdown or restart the computer and I have to resort to pressing the power button.
This is what we call a "Kernal Panic" and basically the OS stops responding, also to hardware which slows down the fans from the default "turbo" mode your experiencing.
What could be causing this requires a careful process of elimination.
Disconnecting all other external hardware except a wired mouse, keyboard and one monitor is the first step.
Next is to backup all data, c boot from the G5 Tiger (not upgrade over Panther disk!) and Disk Utility Erase w/Zero option your boot drive. Reinstall Tiger fresh and immediatly Software update until clear. Install only vital apps from original sources and cd's (avoid those that alter your sytem/ use a admin password to install), files and data from backup. Update your drives driver software from the makers sites for Tiger.
If these two methods don't resolve the problem, then you should try installing a new boot drive (Zero it first) and repeating the step above to eliminate a bad boot drive.
Once these three steps are done and you still have problems, it could be a RAM or defective video card or other major hardware problem.

G5 Dual 2.5 Randomly Sleeps

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