HT201412 Apple iTouch5 Unexpected Power-Off

Hi. My iTouch5 unexpectedly shut down about an hour ago & it was on full battery, It's been charging for over 30 minutes now & it still hasn't restarted. I tried the sleep/wake button & it still hasn't powered on or appeared with the apple logo. I've had this iTouch for over 2 years now & I can't afford to buy a new one at the moment. Can somebody tell me what to do?

Try:
- iOS: Not responding or does not turn on
- Also try DFU mode after try recovery mode
How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
- If not successful and you can't fully turn the iOS device fully off, let the battery fully drain. After charging for an least an hour try the above again.
- Try another cable
- Try on another computer
- If still not successful that usually indicates a hardware problem and an appointment at the Genius Bar of an Apple store is in order.
Apple Retail Store - Genius Bar

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Unexpected my apple iphone 4s power off

my apple i phone power off unexpected ..ring tune and mesge tune is listen but not show nny disply only black screen show its show power off mobile.plz help me

Hey there amna,
It sounds like the phone turned off unexpectedly. I found this article to help you troubleshoot it that issue named:
iPhone: Hardware troubleshooting
http://support.apple.com/kb/ts2802
Will not turn on, will not turn on unless connected to power, or unexpected power off
Verify that the Sleep/Wake button functions. If it does not function, inspect it for signs of damage. If the button is damaged or is not functioning when pressed, seek service.
Check if a Liquid Contact Indicator (LCI) is activated or there are signs of corrosion. Learn about LCIsand corrosion.
Connect the iPhone to the iPhone's USB power adapter and let it charge for at least ten minutes.
After at least 30 minutes, if:
The home screen appears: The iPhone should be working. Update to the latest version of iOS if necessary. Continue charging it until it is completely charged and you see this battery icon in the upper-right corner of the screen . Then unplug the phone from power. If it immediately turns off, seek service.
The low-battery image appears, even after the phone has charged for at least 20 minutes: See "iPhone displays the low-battery image and is unresponsive" symptom in this article.
Something other than the Home screen or Low Battery image appears, continue with this article for further troubleshooting steps.
If the iPhone did not turn on, reset it while connected to the iPhone USB power adapter.
If the display turns on, go to step 4.
If the display remains black, go to next step.
Connect the iPhone to a computer and open iTunes. If iTunes recognizes the iPhone and indicates that it is in recovery mode, attempt to restore the iPhone. If the iPhone doesn't appear in iTunes or if you have difficulties in restoring the iPhone, see this article for further assistance.
If restoring the iPhone resolved the issue, go to step 4. If restoring the iPhone did not solve the issue, seek service.
Thank you for using Apple Support Communities.
All the very best,
Sterling

My i5 occur unexpected power off/ on

My iPhone was crack and I replaced front and back housing. The unexpected power on/off problem occur. How do I solve this? When charging the battery not show the correct amount but still charging. After I restart then show the correct amount

See here for tips of improving battery life and performance.
http://www.apple.com/batteries/ipods.html
To shut down the iPod Touch, press and hold the Sleep/Wake button until you see the Slide to Power Off option. Then slide the switch to power it off.
B-rock

AIR-LAP-1142N-E-K9 unexpected power offs

Hi we have two seperate Cisco wireless networks both based around the same infrastructure.
Cisco 5508 WLC/s running 7.4.100 Firmware in our datacentre, with AIR-LAP-1142N-E-K9 LAPS distributed at site offices.
This infrastructure has been running well until recently when we have had a spate of the LAPS appearing to power off.
The LAP appears to be off with no LED status light as if it has been powered off, but the power supplies are still connected and the LAPS are often warm to the touch as if drawing power even when they have been "off" for a couple of days.
Unplugging the power supply (at the LAP) and re-applying brings the LAP back on.
The LAPS involved all used the recommended Cisco manufactured power supplies as there was no POE/power injector infrastructure.
The LAPS vanish from the WLC as if disconnected, without any apparent errors in the WLC logs.
There are no crash logs for the LAPS which have powered off.
Console output from a LAP which has powered off on startup just shows the AP coming back from a "cold start".
LAPS operate normally after restart, but after avariable period, typically 2-7 days will power off again.
This is happening across multiple sites, to LAPS connected to different WLCs.
Has anyone seen this issue before?

The LAP appears to be off with no LED status light as if it has been powered off, but the power supplies are still connected and the LAPS are often warm to the touch as if drawing power even when they have been "off" for a couple of days.
Gareth,
Just want to make sure you are using a power brick/power injector. Can you please confirm?
Had issues with 7.4 when I noticed that some of my APs, running in PoE, would suddenly get "lost". They would suddenly reboot and they wouldn't negotiate PoE properly. I had to manually shut down the ports for at least 5 seconds. If I don't leave it off for that long the APs simply won't boot up.
Ever since I've moved to 7.5, I haven't seen this happen.
There is a well-known bug, can't seem to find it, about 1140 and WLC firmware 7.4. If I remembered correctly, the bug describes what you are seeing.
You may want investigate in using 7.5.

Unexpected power off now mac mini want boot up pass the grey screen

i have a mac mini the power went off when it came back on and i tryd to cut mini back on it only went to gray apple screen them goes out the monitor says not supported i need to get class assignments off of it.

Take each of these steps that you haven't already tried. Stop when the problem is resolved.
Step 1
The first step in dealing with a startup failure is to secure the data. If you want to preserve the contents of the startup drive, and you don't already have at least one current backup, you must try to back up now, before you do anything else. It may or may not be possible. If you don't care about the data that has changed since the last backup, you can skip this step.
There are several ways to back up a Mac that is unable to start. You need an external hard drive to hold the backup data.
a. Start up from the Recovery partition, or from a local Time Machine backup volume (option key at startup.) When the OS X Utilities screen appears, launch Disk Utility and follow the instructions in this support article, under “Instructions for backing up to an external hard disk via Disk Utility.” The article refers to starting up from a DVD, but the procedure in Recovery mode is the same. You don't need a DVD if you're running OS X 10.7 or later.
b. If Step 1a fails because of disk errors, and no other Mac is available, then you may be able to salvage some of your files by copying them in the Finder. If you already have an external drive with OS X installed, start up from it. Otherwise, if you have Internet access, follow the instructions on this page to prepare the external drive and install OS X on it. You'll use the Recovery installer, rather than downloading it from the App Store.
c. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, start the non-working Mac in target disk mode. Use the working Mac to copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
d. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. Use another Mac to copy the data.
Step 2
If the startup process stops at a blank gray screen with no Apple logo or spinning "daisy wheel," then the startup volume may be full. If you had previously seen warnings of low disk space, this is almost certainly the case. You might be able to start up in safe mode even though you can't start up normally. Otherwise, start up from an external drive, or else use the technique in Step 1b, 1c, or 1d to mount the internal drive and delete some files. According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation.
Step 3
Sometimes a startup failure can be resolved by resetting the NVRAM.
Step 4
If you use a wireless keyboard, trackpad, or mouse, replace or recharge the batteries. The battery level shown in the Bluetooth menu item may not be accurate.
Step 5
If there's a built-in optical drive, a disc may be stuck in it. Follow these instructions to eject it.
Step 6
Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to start up, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can start up now, one of the devices you disconnected, or a combination of them, is causing the problem. Finding out which one is a process of elimination.
Step 7
If you've started from an external storage device, make sure that the internal startup volume is selected in the Startup Disk pane of System Preferences.
Start up in safe mode. Note: If FileVault is enabled, or if a firmware password is set, or if the startup volume is a Fusion Drive or a software RAID, you can’t do this. Post for further instructions.
Safe mode is much slower to start and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
The login screen appears even if you usually log in automatically. You must know the login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
When you start up in safe mode, it's normal to see a dark gray progress bar on a light gray background. If the progress bar gets stuck for more than a few minutes, or if the system shuts down automatically while the progress bar is displayed, the startup volume is corrupt and the drive is probably malfunctioning. In that case, go to Step 11. If you ever have another problem with the drive, replace it immediately.
If you can start and log in in safe mode, empty the Trash, and then open the Finder Info window on the startup volume ("Macintosh HD," unless you gave it a different name.) Check that you have at least 9 GB of available space, as shown in the window. If you don't, copy as many files as necessary to another volume (not another folder on the same volume) and delete the originals. Deletion isn't complete until you empty the Trash again. Do this until the available space is more than 9 GB. Then restart as usual (i.e., not in safe mode.)
If the startup process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
Step 8
Launch Disk Utility in Recovery mode (see Step 1.) Select the startup volume, then run Repair Disk. If any problems are found, repeat until clear. If Disk Utility reports that the volume can't be repaired, the drive has malfunctioned and should be replaced. You might choose to tolerate one such malfunction in the life of the drive. In that case, erase the volume and restore from a backup. If the same thing ever happens again, replace the drive immediately.
This is one of the rare situations in which you should also run Repair Permissions, ignoring the false warnings it may produce. Look for the line "Permissions repair complete" at the end of the output. Then restart as usual.
Step 9
If the startup device is an aftermarket SSD, it may need a firmware update and/or a forced "garbage collection." Instructions for doing this with a Crucial-branded SSD were posted here. Some of those instructions may apply to other brands of SSD, but you should check with the vendor's tech support.
Step 10
Reinstall the OS. If the Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
Step 11
Do as in Step 9, but this time erase the startup volume in Disk Utility before installing. The system should automatically restart into the Setup Assistant. Follow the prompts to transfer the data from a Time Machine or other backup.
Step 12
This step applies only to models that have a logic-board ("PRAM") battery: all Mac Pro's and some others (not current models.) Both desktop and portable Macs used to have such a battery. The logic-board battery, if there is one, is separate from the main battery of a portable. A dead logic-board battery can cause a startup failure. Typically the failure will be preceded by loss of the settings for the startup disk and system clock. See the user manual for replacement instructions. You may have to take the machine to a service provider to have the battery replaced.
Step 13
If you get this far, you're probably dealing with a hardware fault. Make a "Genius" appointment at an Apple Store, or go to another authorized service provider.

Phone is just showing a apple will not power off or on .

showing itunes and will not power on or off .

Melinda ~ This Apple doc may help:
iOS: Not responding or does not turn on
...Found here:
http://www.apple.com/support/iphone/essentials/

Update 7.1.2 caused permanent iphone 4 power off

I have updated to ios 7.1.2 my iphone 4. Now after it locked the keyboard, sometimes it power off. Only cable connection helps to boot up. Hard reset does not help. Your suggestions?

Hello there, arturfrommoscowcity.
The following Knowledge Base article offers up some great, in-depth steps for troubleshooting issues with not being able to power on your iOS device:
iPhone: Hardware troubleshooting
http://support.apple.com/kb/ts2802
Particularly:
Will not turn on, will not turn on unless connected to power, or unexpected power off
Verify that the Sleep/Wake button functions. If it does not function, inspect it for signs of damage. If the button is damaged or is not functioning when pressed, seek service.
Check if a Liquid Contact Indicator (LCI) is activated or there are signs of corrosion. Learn about LCIsand corrosion.
Connect the iPhone to the iPhone's USB power adapter and let it charge for at least ten minutes.
After at least 30 minutes, if:
The home screen appears: The iPhone should be working. Update to the latest version of iOS if necessary. Continue charging it until it is completely charged and you see this battery icon in the upper-right corner of the screen . Then unplug the phone from power. If it immediately turns off, seek service.
The low-battery image appears, even after the phone has charged for at least 20 minutes: See "iPhone displays the low-battery image and is unresponsive" symptom in this article.
Something other than the Home screen or Low Battery image appears, continue with this article for further troubleshooting steps.
If the iPhone did not turn on, reset it while connected to the iPhone USB power adapter.
If the display turns on, go to step 4.
If the display remains black, go to next step.
Connect the iPhone to a computer and open iTunes. If iTunes recognizes the iPhone and indicates that it is in recovery mode, attempt to restore the iPhone. If the iPhone doesn't appear in iTunes or if you have difficulties in restoring the iPhone, see this article for further assistance.
If restoring the iPhone resolved the issue, go to step 4. If restoring the iPhone did not solve the issue, seek service.
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

HT1414 when i update iOS 7.1.1 in iphone 5s then my iphone always power off

when i update ios7.1.1 then my iphone 5s sometime turn on n sometimes off

Hello there, godpray2049.
The following Knowledge Base article provides some great steps for troubleshooting the issue you're describing:
iPhone: Hardware troubleshooting
http://support.apple.com/kb/ts2802
Particularly:
Will not turn on, will not turn on unless connected to power, or unexpected power off
Verify that the Sleep/Wake button functions. If it does not function, inspect it for signs of damage. If the button is damaged or is not functioning when pressed, seek service.
Check if a Liquid Contact Indicator (LCI) is activated or there are signs of corrosion. Learn about LCIsand corrosion.
Connect the iPhone to the iPhone's USB power adapter and let it charge for at least ten minutes.
After at least 30 minutes, if:
The home screen appears: The iPhone should be working. Update to the latest version of iOS if necessary. Continue charging it until it is completely charged and you see this battery icon in the upper-right corner of the screen . Then unplug the phone from power. If it immediately turns off, seek service.
The low-battery image appears, even after the phone has charged for at least 20 minutes: See "iPhone displays the low-battery image and is unresponsive" symptom in this article.
Something other than the Home screen or Low Battery image appears, continue with this article for further troubleshooting steps.
If the iPhone did not turn on, reset it while connected to the iPhone USB power adapter.
If the display turns on, go to step 4.
If the display remains black, go to next step.
Connect the iPhone to a computer and open iTunes. If iTunes recognizes the iPhone and indicates that it is in recovery mode, attempt to restore the iPhone. If the iPhone doesn't appear in iTunes or if you have difficulties in restoring the iPhone, see this article for further assistance.
If restoring the iPhone resolved the issue, go to step 4. If restoring the iPhone did not solve the issue, seek service.
My issue is still not resolved. What do I do next?
Contact Apple Support.
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

My 3gs will not switch on it had 70% left in the battery tried charging but no good also tried soft reboot only get apple logo then goes off do i need a new battery?

my 3gs will not switch on it had 70%power turned off but will not turn on,tried charging no joy tried soft reboot got the apple logo then it went off again,Do ineed a new battery or is it somthing else?

Hi colin198,
Welcome to the Support Communities!
The article below may be able to help you with this issue.
Click on the link to see more details and screenshots.
iPhone: Hardware troubleshooting
http://support.apple.com/kb/TS2802
Will not turn on, will not turn on unless connected to power, or unexpected power off
Verify that the Sleep/Wake button functions. If it does not function, inspect it for signs of damage. If the button is damaged or is not functioning when pressed, seek service.
Check if a Liquid Contact Indicator (LCI) is activated or there are signs of corrosion.Learn about LCIs and corrosion.
Connect the iPhone to the iPhone's USB power adapter and let it charge for at least ten minutes.
After at least 15 minutes, if:
The home screen appears: The iPhone should be working. Update to the latest version of iOS if necessary. Continue charging it until it is completely charged and you see this battery icon in the upper-right corner of the screen . Then unplug the phone from power. If it immediately turns off, seek service.
The low-battery image appears, even after the phone has charged for at least 20 minutes: See "iPhone displays the low-battery image and is unresponsive" symptom in this article.
Something other than the Home screen or Low Battery image appears, continue with this article for further troubleshooting steps.
If the iPhone did not turn on, reset it while connected to the iPhone USB power adapter.
If the display turns on, go to step 4.
If the display remains black, go to next step.
Connect the iPhone to a computer and open iTunes. If iTunes recognizes the iPhone and indicates that it is in recovery mode, attempt to restore the iPhone. If the iPhone doesn't appear in iTunes or if you have difficulties in restoring the iPhone, seethis article for further assistance.
If restoring the iPhone resolved the issue, go to step 4. If restoring the iPhone did not solve the issue, seek service.
I hope this information helps ....
Have a great day!
- Judy

HT201401 iPhone 4S will not power off.

Phone will power back on by itself. Can not get it to stay off.

Hello 7Milebch,
Thanks for using Apple Support Communities.
From what I understand from your post is that your iPhone 4s is restarting on its own. I definitely see how this is a frustrating experience, and I would also want this to be resolved. I'm not sure of the steps you have taken in TS2802 already, but lets make sure to do steps 5-7 of this section of the article:
Will not turn on, will not turn on unless connected to power, or unexpected power off
Verify that the Sleep/Wake button functions. If it does not function, inspect it for signs of damage. If the button is damaged or is not functioning when pressed, seek service.
Check if a Liquid Contact Indicator (LCI) is activated or there are signs of corrosion. Learn about LCIs and corrosion.
Connect the iPhone to the iPhone's USB power adapter and let it charge for at least ten minutes.
After at least 30 minutes, if:The home screen appears: The iPhone should be working. Update to the latest version of iOS if necessary. Continue charging it until it is completely charged and you see this battery icon in the upper-right corner of the screen . Then unplug the phone from power. If it immediately turns off, seek service.
The low-battery image appears, even after the phone has charged for at least 20 minutes: See "iPhone displays the low-battery image and is unresponsive" symptom in this article.
Something other than the Home screen or Low Battery image appears, continue with this article for further troubleshooting steps.
If the iPhone did not turn on, reset it while connected to the iPhone USB power adapter.
If the display turns on, go to step 4.
If the display remains black, go to next step.
Connect the iPhone to a computer and open iTunes. If iTunes recognizes the iPhone and indicates that it is in recovery mode, attempt to restore the iPhone. If the iPhone doesn't appear in iTunes or if you have difficulties in restoring the iPhone, see this article for further assistance.
If restoring the iPhone resolved the issue, go to step 4. If restoring the iPhone did not solve the issue, seek service.
iPhone: Hardware troubleshooting
http://support.apple.com/kb/TS2802
Take care,
Alex H.

Ipod 4 is displaying blue frozen screen and black screen with apple logo. I try to turn power off but as soon as it goes out it automatically reboots. Plugged it into the usb port on my mac and it doesnt do anything. It doesnt appear in Itunes. Help?

ipod 4 is displaying blue frozen screen and black screen with apple logo. I try to turn power off but as soon as it goes out it automatically reboots. Plugged it into the usb port on my mac and it doesnt do anything. It doesnt appear in Itunes. Help?

Let the battery fully darain. After charging for an least an hour try a reset and restore. Use Recovery mode if necessary.
If not successful, then time for an appointment at the Genius Bar of an Apple store.

Mac OSX 10.6.8 Garage Band '11. This error happens occasionally : I am forced to power-off-on. Pop-up states that error info will be sent to apple. I never hear back from apple. Second prob: Fan sometimes comes on, runs high speed, then slowly stops.

Garage Band '11: pop-up error forces me to power off-on. Message states that info will be sent to Apple.
I never hear back from anyone about this.
Second prob: Fan sometimes comes on, runs high speed, then slowly runs down and stops running.

First thing to do is a SMC Reset, you can find instructions at:
http://support.apple.com/kb/HT3964
READ THE INSTRUCTIONS CAREFULLY!!!!
Then try Repairing Disk Permissions, do this at least 2x. You will find this in Disk Utility which is located in Applications - Utilities - Disk Utility.
Finally you may need to uninstall Garage Band and reinstall. You may have to use Pacifist to do this, you can find it at:
http://www.macupdate.com/app/mac/6812/pacifist

My iPod touch is stuck. I can't get it to power off. all that comes up on the screen is the Apple Logo. Is there anything I can do to fix this problem?

My iPod Touch is stuck. I can't get it to power off. All that comes up on the screen is the Apple Logo. Is there anything I can do to fix this problem?

You may need to hold the sleep/wake button and the home button until the apple logo appears. Or anther thing you can try is draining the battery until the battery is dead. That's what i tried and worked. You may need to do those things more than 2 times. OH anther thing is you can try connecting you ipod to your computer and see if it appears on itunes. If those don't work you can send it to apple. So that's what helped me I hope I answered your question.

My ipod touch goes blank 5 senconds after apple logo appears after i power off device(i do not have a jailbroken device)

what the title says. i was able to get out of it but i dont remember how. i want to know how so next time i power off the device it does not get stuck on the blank screen.
btw my device is not jail-broken. i noticed i was getting ignored last time a asked a question.

Try in order:
- Restting the iPod:
Reset iPod touch: Press and hold the On/Off Sleep/Wake button and the Home
button at the same time for at least ten seconds, until the Apple logo appears.
- Conectng the iPod to it syncing computer and restoreing from backup
- Restoring the iPod to factory defaults.

While doing a non-iTunes upgrade to 8.02 my iPad froze on the apple screen. After hours of waiting I forced a power off. Froze in same place. Tried attaching to iTunes on PC from power off. Freezing in same place. Any ideas?

While doing a non-iTunes upgrade to 8.02 my iPad froze on the apple screen. After hours of waiting I forced a power off. Froze in same place. Tried attaching to iTunes on PC from power off. Freezing in same place. Any ideas on how to get past this so that I can at least run a restore?

I Don't know that recovery mode would work, but did you try it?
If you can't update or restore your iPhone, iPad, or iPod touch
IF that fails, have you considered erasing the device using Find my iPhone in iCloud.com? I'm not sure what good that would do either of the iPad continues to freeze, but if nothing else is working .....

HT201412 Apple iTouch5 Unexpected Power-Off

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