Ipad running hot after 8.3 upgrade

I just upgraded my iPad to 8.3. In the couple of hours since, it is uncomfortably warm to the touch. I've stopped all running apps and forced a shut down while I let it cool off. Is this a known issue with this upgrade?

What you need to do is what many others have done, and that is to reset your iPad to factory default condition by using your iTunes program. And ... don't forget your backups.
Choosing an iOS Backup Method (Should I Use iTunes or iCloud to back up ...)
https://support.apple.com/kb/HT5262
Back up and Restore your iOS Device with iCloud or iTunes
http://support.apple.com/kb/ht1766
iTunes: About iOS Backups
http://support.apple.com/kb/ht4946
iOS: Troubleshooting Encrypted Backups
http://support.apple.com/kb/TS5162
Use iTunes to Restore your iOS Device to Factory Settings
http://support.apple.com/kb/ht1414

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Powerbook G4 runs hot after OS X upgrade

I have a powerbookG4 that had 10.3.7. I upgraded today to 10.3.9 and upgraded iTunes from 4 to 6. (looking at the iPod video requirements) Now I'm noticing that it seems to run much hotter. I was on the internet, using AirPort (as usual) but the fan seemed to be running much faster and the bottom of the computer was almost too hot to touch. Plus, I also noticed in this form, that the computer automatically filled in the OS X form with 10.3.7, tho' I have verified in the 'about this apple' page that it now has 10.3.9.
Any suggetions? I wouldn't think running hot would be good for it, and if I want to use it on battery power, would use more power for the higher speed fan. (I did notice tho' that when I turned off AirPort for a few minutes and turned it back on that it's slowed the fan down some, and seems to be cooler, even after turning AirPort back on. Interesting.)
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Welcome to Apple Discussions!
It sounds like you do may not be using the right discs. If you want to install Leopard, you will need the retail DVD--black with the purple aurora. If you want to install the original OS (Panther?), you need the exact install discs for the PowerBook. If you don't have these, you can call Apple with the serial number and get a replacement set for a fee.
Any other gray machine specific discs will simply not work. These are optimized for the computer they were shipped with.
The ?/Mac face just reflects the fact that the drive you erased is empty and there is no OS on it.
The idea of erasing and reinstalling the system software is basically a good idea. It just sounds like you are trying to use the wrong discs and will need to try to acquire the right ones.
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Thanks for your links. My MacBook fan was running constantly from switch on and the underside was getting very hot. Using your first link, I followed the Activity Monitor instructions and found that Dashboard was using '117%'. As soon as I closed it down the fan instantly slowed and after only a few seconds switched off..
Thanks again..

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- PMC and PRAM resets don't fix the problem
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A secondary concern is that I only ran a Time Machine backup after installing 10.6.3 (I know, stupid to not backup before the upgrade). If I restore my backup with Migration Assistant, am I going to just re-introduce the problem on my computer?

According to the man page for ptmd, the ptmd daemon "relays to hardware any OS notifications effecting thermal conditions." IOW, it is just the messenger sending messages from the OS to the hardware. If it is using a lot of CPU time, the OS apparently very frequently thinks thermal conditions are changing & that the hardware should know about it. Thus, high ptmd activity would seem more a symptom than a cause.
Also, while my MacBook is a 4,1 model & not a 2,1 one like yours, the ptmd process terminates after startup, so assuming they are sufficiently similar in terms of thermal management it may be that whatever is failing to tell the process on your MB to terminate after startup is part of the culprit.
This is unlikely anything in 10.6.3 -- on all my Macs, the modification date of the /usr/libexec/ptmd file suggests that it has not been changed since 10.6.2. In fact, it is unlikely anything in any Snow Leopard update, since most users do not have this problem, regardless of model or 10.6 version.
I realize you said you did a fresh install & the problem disappeared, but for this kind of test to be definitive, you cannot allow any preexisting file that might have an adverse effect on system operation to remain active. Unfortunately, there are many types of files that can do this. Sometimes these files affect nothing besides the update process itself, making it seem as if the update is the cause when it actually is an effect.
Since there are so many kinds of files that can have adverse effects, it can be difficult to identify the offending one without first doing some diagnostic detective work to determine where it might be lurking in your Mac. A good way to start is to start up in Safe Mode, which loads only essential system components (see Mac OS X: What is Safe Boot, Safe Mode? for more about this). If the Mac doesn't heat up in Safe Mode, then you know one of the non-essential items is the cause.
You can determine if the problem file is in the user or system domain by creating a new, temporary user account. If automatic login is enabled, temporarily disable it -- it is important for this test that you log into this account for the first time immediately after restarting the Mac, before logging into any other account. If the Mac doesn't overheat now, then you know the problem is somewhere in the normal user account's home folder.
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Thanks for your links. My MacBook fan was running constantly from switch on and the underside was getting very hot. Using your first link, I followed the Activity Monitor instructions and found that Dashboard was using '117%'. As soon as I closed it down the fan instantly slowed and after only a few seconds switched off..
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I just installed Mountain Lion last night. I had no issues at all. Checked out some of the different new features and all seemed to work fine.
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http://gigaom.com/apple/is-mountain-lion-too-hot-for-your-mac-to-handle/
and also the CPU only runs hot while on Safari. Processor-heavy XCode consistently runs fine.
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How hot is hot. Actual numbers help.
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Ipad running hot after 8.3 upgrade

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