Running mountain lion, display won't sleep

Anyone else have this problem ? I don't know if its a macbook retina issue or mountain lion issue, just want to see how common it is. The screen won't turn off even after I set power preferences to turn off when idle for 2 min. When I try to force it to sleep from apple drop down menu, the screen turns black and freezes.

Hey mzmarsha91,
Thanks for the question. When troubleshooting iTunes on OS X, the following articles provide some of the best information:
iTunes: Troubleshooting issues with third-party iTunes plug-ins
http://support.apple.com/kb/TS3430
There are several ways in which an add-on can cause iTunes to act erratically, such as those listed below:
- Loss of iTunes functionality, such as the Visualizer.
- Distortion or irregularity in the iTunes interface.
- Slow performance.
- iTunes won't open or quits unexpectedly.
- You see an alert while syncing stating "... cannot be synced. A duplicate file name was specified."
If you notice any of the above symptoms or other unusual behavior, you can disable any plug-ins not manufactured by Apple by opening iTunes in Safe Mode. This is done by holding down the Option and Command keys (on Mac OS X) or holding down the Shift and Control keys (on Windows) while opening iTunes. If performed correctly, you should see the following dialog before iTunes finishes starting up:
"iTunes is running in Safe Mode. Visual plug-ins you have installed have been temporarily disabled."
Isolating an issue by using another user account
http://support.apple.com/kb/TS4053
Symptoms
When isolating issues and/or troubleshooting software issues in OS X, you might want to use a different user account. Learn how to use this technique to narrow down the cause of an issue.
Resolution
The issue at hand may simply be caused by a bad preference setting or user-specific data file. With proper isolation, you can avoid time-consuming and inappropriate troubleshooting methods.
Thanks,
Matt M.

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HI,
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 iMac 2.5Ghz 5i 2011 (Lion 10.7.3)
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I have a late 2011 model MacBook Pro running Mountain Lion. I love the AirPlay mirroring feature with Apple TV...BUT, how do I mirror with TVs that don't have Apple TV? I used to run a cable from my mini display port to the HDMI input of a TV. This feature seems to be lost in the Mountain Lion upgrade. Did Apple feel that once Mountain Lion came out that EVERYONE would have Apple TV? There are no settings in System Preferences/Display like there used to be...only for AirPlay Mirroring.

Running a cable to the HDMI port is still supported. (and still works on mine).
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http://support.apple.com/kb/ht1379

New macbook pro running mountain lion does not work in clamshell mode when attached to a thunderbird display.

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I've seen it asked a lot of times. I've seen the same answer every time, which is "so long as it's a late 2008 model"
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Apple uses descriptors like "Late 2008" to indicate when models change. It has nothing to do with the time of year a system might be sold. The late 2008 MBA specs are here.
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http://www.wilmut.webspace.virginmedia.com/notes/icloudmail.html
http://ihelpyourmac.com/wordpress/?p=23
http://hints.macworld.com/article.php?story=20111014102515403
http://hints.macworld.com/article.php?story=20111014102515403
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com.apple.backupd-helper[1741]
Not starting Time Machine backup after wake - failed to resolve alias to backup volume.
I decided to disconnect my TM and see what the result was - firstly I noticed there was a definite increase in the speed of my system and secondly that if I let the system go to sleep by itself when woken it worked fine, however if I forced sleep it froze on waking up, below is snapshot of the log at 3.00am in the morning
11/07/2013 02:59:48.000
kernel[0]
IOPMrootDomain: idle revert
11/07/2013 03:00:17.347
com.apple.backupd-helper[1399]
Not starting Time Machine backup after wake - failed to resolve alias to backup volume.
11/07/2013 03:00:18.698
com.apple.backupd-helper[1401]
Not starting Time Machine backup after wake - failed to resolve alias to backup volume.
11/07/2013 03:02:12.718
StatusMenu[189]
receiveSleepNote: NSWorkspaceWillSleepNotification
11/07/2013 03:02:12.723
StatusMenu[189]
receiveSleepNote: NSWorkspaceDidWakeNotification
11/07/2013 03:02:12.000
kernel[0]
PM notification cancel (pid 59, WDDMService)
11/07/2013 03:02:12.000
kernel[0]
IOPMrootDomain: idle revert
11/07/2013 03:02:42.769
com.apple.backupd-helper[1402]
Not starting Time Machine backup after wake - failed to resolve alias to backup volume.
11/07/2013 03:09:47.314
StatusMenu[189]
receiveSleepNote: NSWorkspaceWillSleepNotification
11/07/2013 03:09:47.000
kernel[0]
PM notification cancel (pid 59, WDDMService)
11/07/2013 03:09:47.320
StatusMenu[189]
receiveSleepNote: NSWorkspaceDidWakeNotification
11/07/2013 03:09:47.000
kernel[0]
IOPMrootDomain: idle revert
11/07/2013 03:10:17.363
com.apple.backupd-helper[1404]
Not starting Time Machine backup after wake - failed to resolve alias to backup volume.
11/07/2013 03:14:47.324
StatusMenu[189]
receiveSleepNote: NSWorkspaceWillSleepNotification
11/07/2013 03:14:47.000
kernel[0]
PM notification cancel (pid 59, WDDMService)
11/07/2013 03:14:47.339
StatusMenu[189]
receiveSleepNote: NSWorkspaceDidWakeNotification
11/07/2013 03:14:47.000
kernel[0]
IOPMrootDomain: idle revert
11/07/2013 03:14:47.629
StatusMenu[189]
receiveSleepNote: NSWorkspaceWillSleepNotification
11/07/2013 03:14:47.766
StatusMenu[189]
receiveSleepNote: NSWorkspaceDidWakeNotification
11/07/2013 03:14:47.000
kernel[0]
PM notification cancel (pid 59, WDDMService)
11/07/2013 03:14:47.000
kernel[0]
IOPMrootDomain: idle revert
11/07/2013 03:14:47.876
StatusMenu[189]
receiveSleepNote: NSWorkspaceWillSleepNotification
11/07/2013 03:14:48.016
StatusMenu[189]
receiveSleepNote: NSWorkspaceDidWakeNotification
11/07/2013 03:14:48.000
kernel[0]
PM notification cancel (pid 59, WDDMService)
11/07/2013 03:14:48.000
kernel[0]
IOPMrootDomain: idle revert
11/07/2013 03:15:17.381
com.apple.backupd-helper[1406]
Not starting Time Machine backup after wake - failed to resolve alias to backup volume.
11/07/2013 03:15:17.878
com.apple.backupd-helper[1407]
Not starting Time Machine backup after wake - failed to resolve alias to backup volume.
11/07/2013 03:15:18.108
com.apple.backupd-helper[1408]
Not starting Time Machine backup after wake - failed to resolve alias to backup volume.
Appreciate that this possibly relates to me not having the TM connected - will reconnect and see what the result is and follow up.
I have spoken to our local Apple shop however they have not heard of the problem! The advice given is to save everything and do a clean install, however have noted on the net that this is not necessarily the answer to the problem. Am a bit loath to place my Imac in the shop for many hours work and not necessarily get the problem solved.
So any ideas as to where I go from here please!
Many thanks
B

Make a "Genius" appointment at an Apple Store, or go to another authorized service center.
Back up all data on the internal drive(s) before you hand over your computer to anyone. If privacy is a concern, erase the data partition(s) with the option to write zeros* (do this only if you have at least two complete, independent backups, and you know how to restore to an empty drive from any of them.) Don’t erase the recovery partition, if present.
Keeping your confidential data secure during hardware repair
*An SSD doesn't need to be zeroed.

Display won't sleep and screen saver won't sart

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Long shot.
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Quit the application.
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Restart the computer, open the application and test. If it works okay, delete the plist from the desktop.
If the application is the same, return the .plist to where you got it from, overwriting the newer ones.
If you want to make your user library permanently visible, run the below command in Applications/Utilities/Terminal.
chflags nohidden ~/Library/
You will need to do that after any updates.

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What is the best application to optimize my Macbook Pro running Mountain Lion???

Kappy's Personal Suggestions About OS X Maintenance
For disk repairs use Disk Utility. For situations DU cannot handle the best third-party utility is: Disk Warrior; DW only fixes problems with the disk directory, but most disk problems are caused by directory corruption. Drive Genius provides additional tools not found in Disk Warrior for defragmentation of older drives, disk repair, disk scans, formatting, partitioning, disk copy, and benchmarking.
Four outstanding sources of information on Mac maintenance are:
1. OS X Maintenance - MacAttorney.
2. Mac maintenance Quick Assist
3. Maintaining Mac OS X
4. Mac Maintenance Guide
Periodic Maintenance
OS X performs certain maintenance functions that are scheduled to occur on a daily, weekly, or monthly period. The maintenance scripts run in the early AM only if the computer is turned on 24/7 (no sleep.) See Mac OS X- About background maintenance tasks. If you are running Leopard or later these tasks are run automatically, so there is no need to use any third-party software to force running these tasks.
If you are using a pre-Leopard version of OS X, then an excellent solution is to download and install a shareware utility such as Macaroni, JAW PseudoAnacron, or Anacron that will automate the maintenance activity regardless of whether the computer is turned off or asleep. Dependence upon third-party utilities to run the periodic maintenance scripts was significantly reduced after Tiger. (These utilities have limited or no functionality with Snow Leopard, Lion, or Mountain Lion and should not be installed.)
Defragmentation
OS X automatically defragments files less than 20 MBs in size, so unless you have a disk full of very large files there's little need for defragmenting the hard drive except when trying to install Boot Camp on a fragmented drive. But you don't need to buy third-party software. All you need is a spare external hard drive and Carbon Copy Cloner.
Cheap and Easy Defragmentation
You will have to backup your OS X partition to an external drive, boot from the external drive, use Disk Utility to repartition and reformat your hard drive back to a single volume, then restore your backup to the internal hard drive. You will use Carbon Copy Cloner to create the backup and to restore it.
1. Get an empty external hard drive and clone your internal drive to the
       external one.
2. Boot from the external hard drive.
3. Erase the internal hard drive.
4. Restore the external clone to the internal hard drive.
Clone the internal drive to the external drive
1. Open Carbon Copy Cloner.
2. Select the Source volume from the left side dropdown menu.
3. Select the Destination volume from the left side dropdown menu.
4. Be sure the Block Copy button is not depressed or is ghosted.
5. Click on the Clone button.
Destination means the external backup drive. Source means the internal startup drive.
Restart the computer and after the chime press and hold down the OPTION key until the boot manager appears. Select the icon for the external drive and click on the upward pointing arrow button.
After startup do the following:
Erase internal hard drive
1. Open Disk Utility in your Utilities folder.
2. After DU loads select your internal hard drive (this is the entry with the
       mfgr.'s ID and size) from the left side list. Note the SMART status of the
       drive in DU's status area. If it does not say "Verified" then the drive is
       failing or has failed and will need replacing. SMART info will not be
       reported on external drives. Otherwise, click on the Partition tab in the
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3. Under the Volume Scheme heading set the number of partitions from the
       drop down menu to one. Set the format type to Mac OS Extended
       (Journaled.) Click on the Options button, set the partition scheme to
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       until the process has completed.
Restore the clone to the internal hard drive
1. Open Carbon Copy Cloner.
2. Select the Source volume from the left side dropdown menu.
3. Select the Destination volume from the left side dropdown menu.
4. Be sure the Block Copy button is not selected or is ghosted.
5. Click on the Clone button.
Destination means the internal hard drive. Source means the external startup drive.
Note that the Source and Destination drives are swapped for this last procedure.
Malware Protection
As for malware protection there are few if any such animals affecting OS X. Starting with Lion Apple has included built-in malware protection that is automatically updated as necessary.
Helpful Links Regarding Malware Protection:
1. Mac Malware Guide.
2. Detecting and avoiding malware and spyware
3. Macintosh Virus Guide
For general anti-virus protection I recommend only using ClamXav, but it is not necessary if you are keeping your computer's operating system software up to date. You should avoid any other third-party software advertised as providing anti-malware/virus protection. They are not required and could cause the performance of your computer to drop.
Cache Clearing
I recommend downloading a utility such as TinkerTool System, OnyX 2.4.3, or Cocktail 5.1.1 that you can use for periodic maintenance such as removing old log files and archives, clearing caches, etc. Corrupted cache files can cause slowness, kernel panics, and other issues. Although this is not a frequent nor a recurring problem, when it does happen there are tools such as those above to fix the problem.
For emergency cleaning install the freeware utility Applejack. If you cannot start up in OS X, you may be able to start in single-user mode from which you can run Applejack to do a whole set of repair and maintenance routines from the command line. Note that AppleJack 1.5 is required for Leopard. AppleJack 1.6 is compatible with Snow Leopard. (AppleJack works with Snow Leopard or earlier.)
Installing System Updates or Upgrades
When you install any new system software or updates be sure to repair the hard drive and permissions beforehand. I also recommend booting into safe mode before doing system software updates.
Backup and Restore
Having a backup and restore strategy is one of the most important things you can do to maintain your computer. Get an external Firewire drive at least equal in size to the internal hard drive and make (and maintain) a bootable clone/backup. You can make a bootable clone using the Restore option of Disk Utility. You can also make and maintain clones with good backup software. My personal recommendations are (order is not significant):
1. Carbon Copy Cloner.
2. Deja Vu
3. SuperDuper!
4. Synk Pro
5. Tri-Backup
Visit The XLab FAQs and read the FAQs on maintenance and backup and restore.
Always have a current backup before performing any system updates or upgrades.
Be sure you have an adequate amount of RAM installed for the number of applications you run concurrently. Be sure you leave a minimum of 10% of the hard drive's capacity or 20 GBs, whichever is greater, as free space. Avoid installing utilities that rely on Haxies, SIMBL, or that alter the OS appearance, add features you will rarely if ever need, etc. The more extras you install the greater the probability of having problems. If you install software be sure you know how to uninstall it. Avoid installing multiple new software at the same time. Install one at a time and use it for a while to be sure it's compatible.
Additional suggestions will be found in:
1. Mac OS X speed FAQ
2. Speeding up Macs
3. Macintosh OS X Routine Maintenance
4. Essential Mac Maintenance: Get set up
5. Essential Mac Maintenance: Rev up your routines
6. Five Mac maintenance myths
7. How to Speed up Macs
8. Myths of required versus not required maintenance for Mac OS X
Referenced software can be found at CNet Downloads or MacUpdate.

Is it possible to use the ipad to access a mac mini running mountain lion and back to my mac?

Is it possible to access a mac running mountain lion using Back to my Mac?

To my knowledge the iPod can only be used as a secondary monitor since you have to boot up the Mac and turn on the secondary display. You would still need a KB and pointing device for the Mac
However, you can log into the Mini from an iOS device like an iPad using app like LogMeIn, GoTo MyPC or TeamViewer on both the Mac and the iPad. You use the touch screen on the iPad for all control of the Mac.
As you said,that would be tedious for a lot of typing but you could use a BT keyboard for the iPad.

Need to reformat HDD running Mountain Lion and install Snow Leopard

I bought a new Retina Display MBP and want to sell my Late 2008 MBP.
My 2008 MBP is running Mountain Lion, but I want to format the HDD and install Snow Leopard. When I try installing Snow Leopard from the DVD, I get the following message: "You can;t use this version of the application Install Mac OS X.app with this version of Mac OS X."
How can I get this done?

The only way to do it is to boot from the Snow Leopard installer disc and the erase and install. In other words you cannot "downgrade" OS X 10.6 over top of 10.8. Besides, if selling it an erase and install is the best thing to do anywya - gets all your info off it.

I would like to leave my iMac on Snow Leapord to use Power PC software, and run Mountain Lion on my Macbook pro. I am getting an iPhone 5. Is there a way to use mail on all of them?

I would like to leave my iMac on Snow Leapord to use Power PC software, and run Mountain Lion on my Macbook pro. I am getting an iPhone 5. Is there a way to use mail on all of them with the same accounts?

Any IMAP e-mail account can be accessed from all devices just fine. You don't need to upgrade from Snow Leopard to be able to access an IMAP e-mail account. However, Snow Leopard won't have built-in support for iCloud. As mende1 points out, you can still read your iCloud e-mail from Snow Leopard, but you have to set it up manually. You won't be able to do things like sync your iCloud calendar or addresses with iCal or Address Book on the iMac, though.

My time machine backup disc has apps from Mountain Lion that won't open now that I have Yosemite. They all say need to be upgraded to Yosemite. Go to app store. But app store sees that I have yosemite so doesn't even show me an udate option. How can

My time machine backup disc has apps from Mountain Lion that won't open now that I have Yosemite. They all say need to be upgraded to Yosemite. Go to app store. But app store sees that I have yosemite so doesn't even show me an udate option. How can Update these files??

How do you know they won't run in Yosemite? You're not trying to fiddle with stuff in your backup from the Finder, are you? If so you are likely to render that backup unusable.
WHen when you restore them from your backup, they should be updateable.

Running mountain lion, display won't sleep

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