Do I need to turn Mac book air off after I used OR just make it sleep......?

No need to turn it off. Just put it to sleep.

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I can not get my mac book air off mute

I can not get my mac book air off mute and it is grayed out in the "system Preferance" sound section page.

OS X Mountain Lion 10.8.3
Hopefully one of these steps should solve the problem.
1. System Preference > Sound > Output > Internal Speakers
    Make sure Mute is not enabled.
2. Remove the headphone.
    If you see red light in the headphone port, plug the headphone
    in and out of the port 5 or 6 times to flip the microswitch inside.
    Sound output may be stuck in the digital mode.
3. Reset PRAM. http://support.apple.com/kb/PH4405
4. Reset SMC.     http://support.apple.com/kb/HT3964
    Choose the method for:
    "Resetting SMC on portables with a battery you should not remove on your own".
5. Applications > Utilities > Audio MIDI Setup.app
    Audio Devices window
    Side Bar
    Click the Built-in Output.
    Under Mute any of the boxes checked? If so uncheck it.
    Option click the speaker icon, if present and select Internal Speakers.
6. Install Combo Update ML 10.8.3
http://support.apple.com/kb/DL1640
Best.

Mac Book Air is charged but the circle just keeps going around and I can't even get to sign in?

Mac Book Air is charged, the apple appears but the broken circle just keeps going and does not even take me to the sign in; any hints?

If you don't see any option, maybe your hard disk is damaged.
Close the OS X installer pressing the red button at the top left corner of the window, and open Disk Utility. Then, after opening Disk Utility, look at the left sidebar. What do you see at the top of the sidebar? Do you see the hard disk? If not, take the Mac to an Apple Store or reseller to get it repaired.
If you see the hard disk, select it and try to repair it. If it shows an error at the end, you will have to take the Mac to an Apple Store

HT1338 Just got 27 inch display for my Mac Book Air how do I use extended desktop

How do I use the extended display to view a architectual print on the 27 inch display and have numbers running on mac book air

First, don't use Full screen mode or Mirror. Just drag the architectual print off the right side of the MBair monitor and it will appear on the external.
You can make adjustments in System Preferences > Displays > Arrangement tab

Just purchased an 11" Mac Book Air, and I'm using it as a desktop. Is it ok to lea the power adapter connected all the time?

I'm using my macbook air as a desktop unit, with an auxiliary flat panel display, as well as an external storage drive and a CD/dvd drive. Is it safe to leave the power adapter connected to the computer all the time? Will the battery life get affected or shortened by being fully charged all the time?

Apple recommends that for best battery life, you allow the battery to discharge occasionally.
Here's a good link:
http://www.apple.com/batteries/notebooks.html

HT1338 How to setup an external HDMI screen with a Mac Book Air

How do I setup an external HDMI screen with a Mac Book Air? I am using an Apple accessory Moshi cable interface with a Samsung Syncmaster screen SB24B300 and I am unable to get any response. Thank you.

You need to connect it to the computer using either USB or Thunderbolt. Setup is simply prepping the SSD:
Drive Partition and Format
1. Open Disk Utility in your Utilities folder.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Apply button and wait until the process has completed.

Installing windows 8.1 onto Mac Book Air (mid 2012)

Hi, trying to install Windows 8.1 on my Mac Book Air (mid 2012) when using early stages of bootcamp assistant i get the error message"Your bootable USB drive could not be created. An error occurred while copying the windows instalation files" Help?!

1. What type of USB drive is it? USB2 or USB3?
2. If you are using a Windows ISO please verify that it is valid and not corrupted.

My mac book air doesnt turn off and if i put the screen down doesnt sleep

My mac book air doesnt turn off if i click on shut down . it is not sleeping either. if i put the screen down it keeps turning on and the apple logo keeps blinking. it only turns off if i press the power button for few seconds . Please help. Another thing is condensation . i opened my mac 2 days ago there was water on keys and on the screen I guess extremes of temperature caused moisture to develop. What seems to be the issue with its turning off and sleeping. Thank God the water didnt short circuit it. Its still working but just not sleeping or shutting down normally. Please help needed. I love my MAC and cant afford to loose it ! HELP !!

You will want to show it to an AASP to have it checked.

Mac book air turns on then goes to a white screen. What should I do?

My Mac book air turns on then gets stuck on a white screen. What can I do to fix it?

Reinstall Lion, Mountain Lion, Mavericks or Yosemite without erasing drive
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported then click on the Repair Permissions button. When the process is completed, then quit DU and return to the main menu.
Reinstall Lion, Mountain Lion, Mavericks, or Yosemite
OS X Yosemite- Reinstall OS X
OS X Mavericks- Reinstall OS X
OS X Mountain Lion- Reinstall OS X
OS X Lion- Reinstall Mac OS X
Note: You will need an active Internet connection. I suggest using Ethernet
if possible because it is three times faster than wireless.

Hi! I need help, today I connected my mac Book Air to a tv for a presentation and as soon as I conected it the image on my screen went bigger. And I cant find the way to put it back as it was before. The Images are too big! heelp

Hi! I need help, today I connected my mac Book Air to a tv for a presentation and as soon as I conected it the image on my screen went bigger. And I cant find the way to put it back as it was before. The Images are too big! heelp

Morning DeeHutton,
Thanks for using Apple Support Communities.
For more information on this, take a look at this article:
iPhone: Hardware troubleshooting
http://support.apple.com/kb/ts2802
Best of luck,
Mario

My app store won't work on my iPod Touch 4gen running on ios 6.1.5 and when I open app store it says "cannot connect to iTunes Store" i shut my ipod down and turned it back on but it still dosn't work but it will open on my Mac Book Air

My app store won't work on my iPod Touch 4gen running on ios 6.1.5 and when I open app store it says "cannot connect to iTunes Store" i shut my ipod down and turned it back on but it still dosn't work but it will open on my Mac Book Air. If sombody could tell me how to fix this that would be awesome!

Can't connect to the iTunes Store

My mac book air turn on with grey apple icon and spining wheel. then it wont turn off.

my mac book air turn on with grey apple icon and spining wheel. then it wont turn off.pls help

Have exactly the same problem with my wife's MacBook Air. After restaring in Restore mode and trying to repair the disk (Disk Utility showed errors in the verification), the system tells me to backup as much data as possible (how?), re-format the disk and restore backed-up files. Error comes up when "updating boot support partitions for the volume as required".
Original restart action was done due to software update requesting it, if I remember correctly, iTunes was updated.
I don't want to start a painful back-up procedure (although I do regular back-ups): how should I know, where iPhoto stores it's data or where my mails are (yes, still using local mail)? How can I access the data if I can't boot?
My iMac's disk crashed also a couple of months ago and I'm still recovering. I have four Apple devices, two of them have failed. Can Apple afford such a ratio?

I have the mac book air and when I turn it on its a light blue screen with a flashing folder with a question mark on it and I cant get past it. Anyone know about this?

I have the mac book air and when I turn it on its a light blue screen with a flashing folder with question mark on it. Any one know how to get past it?

The MBA is trying to tell you that it is not able to find a bootable system
Either the file is corrupt or access to the storrage has failed
I would start by seeing if it will boot with Command + R depressed

Need to reinstall OS on new Mac Book air

I purchased a new mac book air and migration assistant overwrote the whole hard drive. I want to red o migration assistant and select only some applications. How do i reinstall mavericks and all the applications to the original state? Computer came with no disks??

What you are trying to do is erase the storage and reinstall Mac OS X. To do that, restart the MBA and hold the Command and R keys. That will restart you on the recovery hard drive partition, what Apple now uses instead of an install DVD.
From the menu bar, select Utilities, then Disk Utility. Highlight the internal storage name in the left side bar, usually Macintosh HD, and then select Erase in the button bar top center of the main window pane.
After the storage is erased, Quit Disk Utility and from the Utilities on the menu bar select Install Mac OS X. That will download the Mavericks installer and reinstall the operating system. This will take some time as the installer is about 5.1 GB...you need a good internet connection because this is downloaded from Apple's servers. Also, be sure you are plugged into a wall outlet and not running on battery power. You do not want the machine to shutdown during this.
After you have reinstalled, you are at the out-of-the-box form of the MBA and will have to resetup all of your information from scratch.

I am new to mac air. Today i installed (unsuccessfully!) MAPLE16 on my mac book air. Now since it does not work properly (it also does not appear in applications) i decide to delete it. I could not remove it from launchpad . i need urgent help

i am new to mac air. Today i installed (unsuccessfully!) MAPLE16 on my mac book air. Now since it does not work properly (it also does not appear in applications) i decide to delete it. I could not remove it from launchpad . i need urgent help from your side.

Any third-party software that doesn't install by drag-and-drop into the Applications folder, and uninstall by drag-and-drop to the Trash, is a system modification.
Whenever you remove system modifications, they must be removed completely, and the only way to do that is to use the uninstallation tool, if any, provided by the developers, or to follow their instructions. If the software has been incompletely removed, you may have to re-download or even reinstall it in order to finish the job.
I never install system modifications myself, and I don't know how to uninstall them. You'll have to do your own research to find that information.
Here are some general guidelines to get you started. Suppose you want to remove something called “BrickMyMac” (a hypothetical example.) First, consult the product's Help menu, if there is one, for instructions. Finding none there, look on the developer's website, say www.brickmyrmac.com. (That may not be the actual name of the site; if necessary, search the Web for the product name.) If you don’t find anything on the website or in your search, contact the developer. While you're waiting for a response, download BrickMyMac.dmg and open it. There may be an application in there such as “Uninstall BrickMyMac.” If not, open “BrickMyMac.pkg” and look for an Uninstall button.
You generally have to reboot in order to complete an uninstallation.
If you can’t remove software in any other way, you’ll have to erase and install OS X. Never install any third-party software unless you're sure you know how to uninstall it; otherwise you may create problems that are very hard to solve.
You may be advised by others to try to remove complex system modifications by hunting for files by name, or by running "utilities" that purport to remove software. I don't give such advice. Those tactics often will not work and maymake the problem worse.

Do I need to turn Mac book air off after I used OR just make it sleep......?

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