Sudden Helix shutdown

So my Helix has been hving sudden shutdown issues.
I either left the machine for a bit or been working on it and it suddenly shuts down. When iot tries ot restart it says it has a fan docking issue (black screen with a very short sentence) and won't restart without being removed from the keyboard.
I think this happening only when I am in Battery Heath Mode. I move it back to always fully charge to see if the issue occurs. Will report back on this
Anyone else have this issue. I'm thinking its a problem with the BIOS or the Firmware Update Utility for Enhanced Keyboard Dock
Anyone else have this issue

Hi, wlabar
I would recommend checking Event Viewer ► Windows logs ► System logs for the last date and time this issue ocurred and seeing if there are any warnings or errors that may be associated with this issue. Also, if you haven't already, I would recommend making sure the latest drivers and the latest BIOS have been installed on your machine, all of which can be found here.
Best of luck,
Adam
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I have a 2.16 first-gen Macbook Pro (Core Duo) that has recently become unusable. It will suddenly and abruptly shut down and at the same time turn both fans full on. Initially this would only happen under heavy load (encoding video), but it became more and more frequent, and now it happens typically within a minute of rebooting.
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Hi all
I am posting in hope that someone out there can help me solve this very puzzling problem.
The machine: A PowerMac dual processor G5/2.3GHz (early 2005). 1.5G RAM. 250G HD. SuperDrive. Radeon 9650.
The problem: When under some load, this machine will suddenly and abruptly shutdown as though someone pulled the power cord. There is no warning. Just a soft click, and it powers off. The machine can be manually restarted after the sudden shutdown with no problems.
This problem is very replicable. (eg go to a particular website, play an embedded video, and boom, the machine shutsdown. Each and every time.) It was replicated at an Apple Store and at two Apple Authorized Service Providers.
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How about an educated guess as to what's wrong?
I want to, if possible, and if reasonable, repair this machine.
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Lara

This sounds almost exactly like the problem I have. My G5 is also an Early 05 2.3G. I tried every tip I found on the forums from UPS vs. wall socket to stock RAM vs. 3rd party to booting from external HDs, etc.. I currently have 10.5.8 on it and it's running using the "Reduced" processor setting in Energy Saver prefs.
I have also made a trip to The Apple Store where the AS folks ran their diagnostics but were usable to replicate my problem. I understand they "can't fix it if it ain't broke".
Aside from the "Reduced" setting work-around has ANYONE actually solved this problem definitively? Although I have no interest in spending $1000 to fix this, I can't imagine disposing of it on Ebay.
Assuming this is a hardware issue, this would mark the first insurmountable failure of any of the 10 or so Macs I have owned.
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Stormblade
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Sir / Madam,
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{Personal Information Removed}
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Is the old "iMac 27inch (2010) shuts down by itself" again, but it's getting worse since OSX 10.8. (once a week to once a day).
Reset SMC, 12Gigs Ram (2x Apple chips), reinstalled OS, one USB port with Hub with Canon scanner, external time machine (1TB), cable for iPhone/iPad, headset, one USB port for wireless mouse.
GPU/CPU running hot around 150+ degrees, so installed smcFanControl, now at 99 to 115.
Any suggestions?. The Hub?, the Apple Ram chips?, more Ram?, less Ram?. Run some diagnostics?, Software apps?. Help?.

>Has the iMac stayed running since installing SMC Fan control?
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>What have you set the iMac's fans rpm to?
ODD: 2417 RPM
HDD: 3219 RPM
CPU: 1522 RPM
>To test your iMac, unplug all peripherals except the keyboard and mouse.
See if your iMac stays running.
No, good call. It died with all USB devives unplugged (keyboard/mouse wireless).

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I visited Apple in Brisbane, but one needs an appointment to get to see a tech. I was there for a day.
Is there a Self diagnostic site I can log into via my IBM computer with the iPad on the spade USB cable. Open to suggestions...

Try this - Reset the iPad by holding down on the Sleep and Home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons. (This is equivalent to rebooting your computer.) No data/files will be erased. http://support.apple.com/kb/ht1430
How much Available storage space do you have? Settings>General>About>Available
You may have many apps open which can possibly cause the slowdown and possibly the loss of wifi. For iOS 7 users, there’s an easy way to see which apps are open in order to close them. By double-tapping the home button on your iPhone or iPad, the new multitasking feature in iOS 7 shows full page previews of all your open apps. Simply scroll horizontally to see all your apps, and close the apps with a simple flick towards the top of the screen.
 Cheers, Tom

Random, Sudden Shutdowns - A redux and other things to rule out first

Do a google search for "macbook random shutdown" and you'll find many people with similar problems reporting on various forums. At present, this issue has not been picked up by the mainstream PC news media. However, one should also note that only a fraction of those with problems are suffering this particular fault. A large number of other reasons must be ruled out before a MacBook owner should become convinced their machine is one which suffers this problem. Bad RAM, poorly seated RAM, improperly installed hard drive, corrupted OS, corrupted plists, bad batteries, bad chargers, corrupted PMU, and corrupted NVRAM all need to be ruled out first!
My own MacBook suffered the random sudden shutdown malady and eventually required complete replacement after a logic board replacement did not solve the issue. Some of the MacBooks appear to have a hardware problem which surfaces after a period of use. Many reported their problems starting after a month of ownership. Coincidentally, that also coincided with the release of 10.4.7, but most likely that is not at the root of the sudden, random, shutdown problem.
(However, 10.4.7 is strongly implicated in a separate MacBook problem - colored vertical lines during boot on some machines. That is probably a separate issue.)
Description of the Random, Sudden Shutdown Problem
MacBook suddenly shuts off to a completely powered down state seemingly at random. There are no kernel panic, mouse freezing, or other premonitory symptoms. The machine simply powers down suddenly. The screen goes black. The hard drive spins down and no sleep light illuminates. The machine simply turns itself off.
The shutdowns may occur on either battery or with AC adapter attached. Some owners report their MacBook is less prone to sudden shut down while on battery vs AC adapter. My own afflicted MacBook would suddenly shutdown on a fully charged battery or on either of two AC adapters.
The shutdowns occur with either 10.4.6 or 10.4.7 OS loaded. I went through several cycles of clean installs of the base 10.4.6 and the Intel Combo update to 10.4.7 before it became clear that it mattered not which OS was running. Another indicator that this is not an OS issue is that sudden shutdowns can occur in target mode and also when running just the Apple Hardware Test - which relies on minimal software to operate.
The shutdowns tend to grow more frequent once they begin. They may worsen to the point that a machine will not complete boot up before shutting down. It may take several power up presses to start the machine. Oddly enough, a machine that had difficulty starting up, may be easy to start up several minutes later. It may run for hours or minutes before another sudden shutdown. The frequency is low and random enough that is very difficult to demonstrate this fault to a service technician.
Some users are able to induce a sudden shutdown by running their CPU's at high load and thus heating up the machine. This is easily done by running the yes command in two Terminal windows. Some users report their MacBook is more prone to sudden shutdowns when their CPU is relatively cool. The bipolar reporting is confusing. There may be more than one type of sudden shutdown being reported. One due to CPU overheating and another due to another hardware problem which has yet to be elucidated.
Resetting of the PMU and PRAM MAY temporarily reduce the frequency of the sudden shutdowns, but the effect is temporary. Indeed, the effect may not even be real given the randomness of the shutdowns. None-the-less, one must perform PMU and PRAM resets to ensure that some corruption of those devices is not creating a reason for shutdowns. On my own MacBook, resetting PMU and PRAM (four chimes) did not prevent the random sudden shutdowns.
The sudden shutdowns occur with well seated stock RAM, replacement RAM, and reseated/replaced hard drives. Swapping out and testing both RAM and hard drive helps to eliminate those as the source of the problem. On my own machine, I exchanged the RAM and the hard drive to eliminate them as the cause. This made it considerably easier for the Apple genius to decide it was an internal problem.
In my case, a logic board replacement did indeed solve the fault, but several days later, sudden shutdowns began again. Presumably either the replacement board has the same weakness as the original or some other component of the machine was the actual reason for the sudden shutdowns. The former is quite likely because the machine was made stable for several days with a new logic board. At that point, I requested to be swapped to a new machine and the Apple Store manager wisely decided to help out his customer. For that I am most grateful. However, it is unlikely that the majority of people will have their machines swapped out, but instead repaired.
At this time, no official statement regarding cause for or acknowledgment of the MacBook's sudden random shutdown problem has been made. Because the underlying cause has not been revealed, it is impossible to know that a logic board replacement will permanently solve the problem or merely result in the same fault recurring later on the replacement board. Of course, we do not know if it actually is a logic board flaw.
My advice to MacBook owners whose machines develop the sudden random shutdown symptoms are to...
1. Get your data backed up immediately. The machine will likely suffer more and more frequent shutdown events.
2. Revert to stock RAM and hard drive if you have installed after-market replacements. You must do this and see if the shutdowns continue to occur. Otherwise, the first thing blamed will be your RAM and hard drive.
3a. Perform a PMU reset, by shutting down the MacBook. Removing the battery. Disconnect the AC Adapter. Then, press the power button for five seconds. The reinstall the battery and mains adapter. Restart the machine.
3b. Reset PRAM by holding option-command-P-R keys down during startup until you hear the chime at least three or four times.
Resetting the PMU and PRAM are standard procedures you'll otherwise be asked to perform to diagnose your machine.
4. Do a CLEAN install of the OSX if you wish to totally eliminate a bad OS install as the problem. This will destroy all your data. Alternatively, an archive and install will be helpful without totally destroying your data, but that will not let you exonerate your system files and settings. An alternative is to run Apple's hardware test utility which is found on your OS installation disc. However, an extended hardware test is needed because the shutdown flaw may take hours to surface.
Note: If your MacBook has become so "narcoleptic" that it cannot even complete a boot up sequence, try holding the power button down until you hear a loud beep. That may allow an otherwise balky machine to start.
Once you have done the above, and are still seeing random sudden shutdowns, you have largely done the preliminary footwork that you'll need to prove whether your MacBook has this particular problem and not something more common. Then, call AppleCare or visit your Apple Genius to have the machine repaired or replaced. Hopefully, the root cause of this problem will be discovered, disclosed, repaired and prevented. For now, it appears only a fraction of the MacBooks are suffering this fault, but the machine population is still young. Overall, the MacBook is perhaps the finest laptop I've bought from Apple. It will be nice to trust the machine to not lose my work.
BTW - resetting PMU may induce a separate 10.4.7 related bug which results in your MacBook exhibiting a white screen with progressively more numerous vertical color lines during startup. This appears to be fixable by resetting PRAM and then temporarily changing display resolution to something other than the current setting and then back.

thanks for the comprehensive info. i experienced this for the first time today. i bought my macbook the day they were released. the shutdown happenned for me after leaving my computer on overnight with no programs running. about two minutes into web browsing it shutdown. it then shutdown in the middle of restarts. i disattached power cord, external hard drive, dvd burner & ethernet & it powered up and has been working for about 20 minutes since.
this computer has really been a lemon. first my superdrive scratches the **** (just previewed this, i can't believe they sensor the h_ word?) out of discs, then the trackpad button becomes very hard to push. i've been working around those issues using an external dvd burner and mouse, but not sure how to work around sudden shutdowns. i haven't been able to send it in for repairs yet since i bought it cause i needed it's dvd authoring capabilities for a class i was taking, plus i wanted to make sure nothing else went wrong (self fulfilling prophecy?). i was planning on taking it on vacation with me, but guess i better pack my old ibook too (which other than a cd burner which sucked from the start, has been very reliable). i'll send in my macbook when i get back.
anyway, thanks for the info & advice! i'll back up my crucial data now.
white macbook, 2GHz, 1GB ram (factory installed) Mac OS X (10.4.7)
macbook Mac OS X (10.4.6)
macbook Mac OS X (10.4.6)

PowerMac G4 (AGP) suddenly won't boot from its internal HDs

Hi, here's a description of a weird and sudden issue on my mac. Hope one of you out there has a cure.
The system: Powermac G4 (AGP) 450MHz, 512MB RAM, upgraded a couple of years ago with an 133 ATA controller card (Acard 6280M). The card controls my two internal HDs of 160GB, which are from two separate brands. Until 1 week ago I regularly booted from one HD with OS10.4.6 (let's call it hd_A), while used the other HD as a data backup space (hd_B).
The problem:
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-I thus booted from the install DVD (10.4) and installed OS10.4.0 into hd_B. The system was then able to boot from hd_B only on the first attempt. From the second, again flashing question mark. Note that on that single successful boot, I verified that hd_A was readable and apparently intact, plus ran DiskUtil which reported no problems on either HDs.
-Running DU from the Install DVD reports no problem on either HDs.
-Running Startup Disk from the Install DVD correctly reports bootable systems 10.4.7 on hd_A and 10.4.0 on hd_B, but attempting a restart from either of them leads to the flashing question mark.
-Resetting PRAM didn't help.
-Holding option during startup brings up the boot volume selection screen with the options of the Tiger install DVD or the 10.4.0 system on hd_B (note that 10.4.7 on hd_A is not shown). Selecting 10.4.0 on hd_B leads, after a delay of a few seconds with a blank screen to a sudden autonomous shutdown of the computer!
Other data:
-The battery reads 3.7V on a voltmeter, so it must be ok.
-Curiously, System Profiler run from the install dvd reports the two internal HDs as 'removable media'. Can's say how it reported them previous to the entire issue.
Thanks, Lo

You can't use the iBook installer on another model Mac. You need a retail version of Panther 10.3 or Tiger 10.4.
If you do a Google search for M9227LL/A (Panther 10.3 retail install CDs) or M9228LL/A (Family Pack), you may find a set. The CDs should be black with a white X.
After you install the base 10.3.x, update to the final Panther version 10.3.9. See Mac OS X 10.3.9 Update (Combo) http://support.apple.com/kb/HT2464
Tiger install DVDs are in short supply. Tiger is no longer available at the Apple Store but may be available for $129 by calling Apple Phone Sales @ 1-800-MY-APPLE (1-800-692-7753). For other sources, do a Google search for MA453Z/A (10.4.6), MA190Z/A (10.4.3) and M9639Z/A (10.4) . Also look on eBay. Be sure & buy a retail version (black with silver X) and not a model specific version (gray). Expect to pay (possibly a lot) more than the Apple list price of $129.
Also check this web store http://www.lacomputercompany.com/cgi-bin/rpcart/index.cgi?command=dispitem&type= sku&sku=19521
Possible Alternative if you are currently using Panther 10.3 – Do a Google search for Tiger 10.4 Upgrade DVD . It will upgrade your 10.3 to 10.4, but it doesn’t contain the full retail Tiger installer. Should be cheaper than the retail Tiger install DVD.
After you install the base 10.4.x, update to the final Tiger version 10.4.11. Here's the link for the 10.4.11 combo update http://support.apple.com/kb/TA24901?viewlocale=en_US
Look at this link Mac OS X v10.4 Tiger Installing Software Support Page
http://www.apple.com/support/tiger/install/
You can also download the Tiger Installation and Setup Guide
http://manuals.info.apple.com/en/TigerInstall_SetupGuide.pdf
When you upgrade the OS, do it via Archive & Install. See About the Archive and Install feature http://support.apple.com/kb/HT1710
Be sure to select Preserve Users & Settings. Also, repair permissions before and after the install.
 Cheers, Tom

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Sudden Helix shutdown

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