I have a Macbook Air with Mountain Lion..I upgraded to the latest version called Mavericks OX now it crashes a lot...when I use the shift key especially I now have version 10.9

I have a Macbook Air with Mountain Lion..I upgraded to the latest version called mavericks ox now it crashes a lot...when I use the shift and Caps keys especially. I now have version 10.9. how can I get mountain lion back and get rid of this update?

all of my software was current before i upgraded to maverick....i don't know why this is going on...any help?

Similar Messages

I use MB pro with Lion OSX 10.7.5 and Now I have bought MB Air with Mountain Lion,Can I transfer my MB Pro stuff running Lion to MB air running Mountain Lion or do I need to buy Mountain Lion for my Pro to create a backup and then transfer ,thnx

I use MB pro running Lion OSX 10.7.5 and Now I have bought MB Air with Mountain Lion,Can I transfer my MB Pro stuff running Lion to MB air running Mountain Lion or do I need to buy Mountain Lion for my Pro and create a backup and then transfer ,Although I want Mountain Lion for my MB Pro but can I use the one from MB Air,thnx?

Hello,
If you just do a normal time machine backup on your macbook pro and then plug that harddrive into your new air; you should be able to just use migration assistant to transfer all your files. You wouldnt need to upgrade to mountain lion on your macbook pro.
Hope it helps,
Ryan

How to print wireless? I have a MacBook Pro with Mountain Lion and printer is a Canon MP620

How to print wireless? I have a MacBook Pro with Mountain Lion and printer is a Canon MP620

http://www.usa.canon.com/cusa/support/consumer/printers_multifunction/pixma_mp_s eries/pixma_mp620#Wireless_Help

I have a macbook pro with mountain lion and now so I can not synchronize my outlook calendar office 2011 for mac with ical and, therefore, with icloude. Can anyone help?

I have a macbook pro with mountain lion and now so I can not synchronize my outlook calendar office 2011 for mac with ical and, therefore, with icloude. Can anyone help?

http://support.apple.com/kb/HT5922
If you want to mirror your desktop, see:
http://support.apple.com/kb/HT5404
Regards.

I have a MacBook Pro with mountain Lion, I was wondering if I could use dictation or any other application to have a voice password.

I have a MacBook Pro with mountain Lion, I was wondering if I could use dictation or any other application to have a voice password.

I'm not aware of any application that will allow this. Most applications won't launch until after you login (which would include any utility that could do this). I'm not sure how much use there would be for something like this. For obvious reasons, a spoken password isn't particularly secure. I would imagine a blind person using a computer would still be able to manually enter a password. I would make sense for folks with other types of disabilities I suppose... so long as there isn't anyone around whenever they use their password.

HT3500 Problem printing from MacBook Air with Mountain Lion to HP Photosmart Premium C310a Printer

My HP Photosmart Premium C310a printer used to work fine with my MacBook Pro printer running Lion. I bought a new MacBook Air that comes of course with Mountain Lion. I added a new printer from the System Preferences. The printer will print sometimes. Sometimes the printer just restarts itself and then will print. I used to have an excellent HP Scan Utitlity. That is now gone and it is really hard to scan anything. I am beginning to think it is time to get rid of the HP Printer and buy another one that fully supports Mountain Lion. Can anyone help me here?

Hi - if you haven't done this already, HP support lists several download options including software for OS X for your printer - I would try that route since what comes with Mountain Lion doesn't seem to work - let me know how you make out

HT1338 Can i update my apple macbook air with Mountain lion OS? Mine is Core 2 duo with 2 GB RAM aluminium case 2008 model

can i update my macbook air 2008 model aluminium case powered by intel core 2 duo with 2 gigabytes of RAM with mountain Lion? I have Leopard installed on it.

it has to be a late 2008 model or newer:http://www.apple.com/osx/specs/

Macbook Air with Mountain Lion Crash

I keep coming back to my laptop waking up to computer restart with the following report. Sometimes it crashes halfway when i'm using but it's pretty rare. Can anyone help me?
Interval Since Last Panic Report: 122385 sec
Panics Since Last Report:          2
Anonymous UUID:                    072B4BAA-85F3-89BF-5B10-800363F1AAC3
Fri Jul 26 23:19:51 2013
panic(cpu 2 caller 0xffffff80030b83c9): "Double fault at 0xffffff8003028034, registers:\n" "CR0: 0x000000008001003b, CR2: 0xffffff80f3b9ff98, CR3: 0x00000000052a9000, CR4: 0x00000000001606e0\n" "RAX: 0xffffff80f3ba00b0, RBX: 0xffffff7f83613c0e, RCX: 0xffffff80f3ba00b0, RDX: 0xffffff8003375b60\n" "RSP: 0xffffff80f3b9ffa0, RBP: 0xffffff80f3ba00a0, RSI: 0xffffff80f3ba0108, RDI: 0xffffff7f83613c0e\n" "R8: 0x000000000000000a, R9: 0x0000000000000010, R10: 0x0000000000000000, R11: 0x0000000000000000\n" "R12: 0x00000000e00002c2, R13: 0xffffff8015cd8a00, R14: 0xffffff7f83616ec0, R15: 0xffffff8015d56800\n" "RFL: 0x0000000000010286, RIP: 0xffffff8003028034, CS: 0x0000000000000008, SS: 0x0000000000000000\n" "Error code: 0x0000000000000000\n"@/SourceCache/xnu/xnu-2050.18.24/osfmk/i386/trap_native.c: 280
Backtrace (CPU 2), Frame : Return Address
0xffffff80eb125ec0 : 0xffffff800301d626
0xffffff80eb125f30 : 0xffffff80030b83c9
0xffffff80eb1260a0 : 0xffffff80030ceddf
0xffffff80f3ba00a0 : 0xffffff8003375c52
0xffffff80f3ba00c0 : 0xffffff7f8360f32e
0xffffff80f3ba0130 : 0xffffff7f8360af1b
0xffffff80f3ba01a0 : 0xffffff7f8360d038
0xffffff80f3ba0260 : 0xffffff8003447d9a
0xffffff80f3ba02c0 : 0xffffff7f835afa64
0xffffff80f3ba0330 : 0xffffff7f8398401d
0xffffff80f3ba0360 : 0xffffff7f83983d35
0xffffff80f3ba0390 : 0xffffff7f835a42fc
0xffffff80f3ba0480 : 0xffffff7f8360d52c
0xffffff80f3ba04f0 : 0xffffff7f835a3e8e
0xffffff80f3ba0580 : 0xffffff7f835a527e
0xffffff80f3ba0660 : 0xffffff8003447d9a
0xffffff80f3ba06c0 : 0xffffff7f835aa7de
0xffffff80f3ba0790 : 0xffffff7f835cdbf0
0xffffff80f3ba0810 : 0xffffff7f835afe41
0xffffff80f3ba0880 : 0xffffff7f835afdc7
0xffffff80f3ba08d0 : 0xffffff7f839845f1
0xffffff80f3ba0910 : 0xffffff7f8397e692
0xffffff80f3ba0940 : 0xffffff7f835a42fc
0xffffff80f3ba0a30 : 0xffffff7f8360d52c
0xffffff80f3ba0aa0 : 0xffffff7f835a3e8e
0xffffff80f3ba0b30 : 0xffffff7f835a527e
0xffffff80f3ba0c10 : 0xffffff8003447d9a
0xffffff80f3ba0c70 : 0xffffff7f835aa7de
0xffffff80f3ba0d40 : 0xffffff7f835cdbf0
0xffffff80f3ba0dc0 : 0xffffff7f835afe41
0xffffff80f3ba0e30 : 0xffffff7f835afdc7
0xffffff80f3ba0e80 : 0xffffff7f839845f1
0xffffff80f3ba0ec0 : 0xffffff7f8397e692
0xffffff80f3ba0ef0 : 0xffffff7f835a42fc
0xffffff80f3ba0fe0 : 0xffffff7f8360d52c
0xffffff80f3ba1050 : 0xffffff7f835a3e8e
0xffffff80f3ba10e0 : 0xffffff7f835a527e
0xffffff80f3ba11c0 : 0xffffff8003447d9a
0xffffff80f3ba1220 : 0xffffff7f835aa7de
0xffffff80f3ba12f0 : 0xffffff7f835cdbf0
0xffffff80f3ba1370 : 0xffffff7f835afe41
0xffffff80f3ba13e0 : 0xffffff7f835afdc7
0xffffff80f3ba1430 : 0xffffff7f839845f1
0xffffff80f3ba1470 : 0xffffff7f8397e692
0xffffff80f3ba14a0 : 0xffffff7f835a42fc
0xffffff80f3ba1590 : 0xffffff7f8360d52c
0xffffff80f3ba1600 : 0xffffff7f835a3e8e
0xffffff80f3ba1690 : 0xffffff7f835a527e
0xffffff80f3ba1770 : 0xffffff8003447d9a
0xffffff80f3ba17d0 : 0xffffff7f835aa7de
0xffffff80f3ba18a0 : 0xffffff7f835cdbf0
0xffffff80f3ba1920 : 0xffffff7f835afe41
0xffffff80f3ba1990 : 0xffffff7f835afdc7
0xffffff80f3ba19e0 : 0xffffff7f839845f1
0xffffff80f3ba1a20 : 0xffffff7f8397e692
0xffffff80f3ba1a50 : 0xffffff7f835a42fc
0xffffff80f3ba1b40 : 0xffffff7f8360b016
0xffffff80f3ba1bb0 : 0xffffff7f8360d038
0xffffff80f3ba1c70 : 0xffffff8003447d9a
0xffffff80f3ba1cd0 : 0xffffff7f835afa64
0xffffff80f3ba1d40 : 0xffffff7f8398401d
0xffffff80f3ba1d70 : 0xffffff7f83983d35
0xffffff80f3ba1da0 : 0xffffff7f835a42fc
0xffffff80f3ba1e90 : 0xffffff7f8360d52c
0xffffff80f3ba1f00 : 0xffffff7f835a3e8e
0xffffff80f3ba1f90 : 0xffffff7f835a527e
0xffffff80f3ba2070 : 0xffffff8003447d9a
0xffffff80f3ba20d0 : 0xffffff7f835aa7de
0xffffff80f3ba21a0 : 0xffffff7f835cdbf0
0xffffff80f3ba2220 : 0xffffff7f835afe41
0xffffff80f3ba2290 : 0xffffff7f835afdc7
0xffffff80f3ba22e0 : 0xffffff7f839845f1
0xffffff80f3ba2320 : 0xffffff7f8397e692
0xffffff80f3ba2350 : 0xffffff7f835a42fc
0xffffff80f3ba2440 : 0xffffff7f8360b016
0xffffff80f3ba24b0 : 0xffffff7f8360d038
0xffffff80f3ba2570 : 0xffffff8003447d9a
0xffffff80f3ba25d0 : 0xffffff7f835afa64
0xffffff80f3ba2640 : 0xffffff7f8398401d
0xffffff80f3ba2670 : 0xffffff7f83983d35
          Backtrace continues...
      Kernel Extensions in backtrace:
         com.apple.iokit.IOUSBFamily(5.4)[C3094550-7F58-3933-A4F7-CD33AE83F8B9]@0xffffff 7f835a1000->0xffffff7f835f7fff
            dependency: com.apple.iokit.IOPCIFamily(2.7.1)[9901C237-547C-3B52-99DE-C4870A19E2B5]@0xffff ff7f83578000
         com.apple.driver.AppleUSBHub(5.2.5)[A70C7553-FFEA-355F-A292-6E2B0023FADD]@0xfff fff7f8397d000->0xffffff7f83991fff
            dependency: com.apple.iokit.IOUSBFamily(5.4.0)[C3094550-7F58-3933-A4F7-CD33AE83F8B9]@0xffff ff7f835a1000
         dl.uds.netusb.controller(1.0d1)[9B4B7696-F99B-52E9-E016-FDD42614AE11]@0xffffff7 f83603000->0xffffff7f8361efff
            dependency: com.apple.iokit.IOUSBFamily(5.4.0)[C3094550-7F58-3933-A4F7-CD33AE83F8B9]@0xffff ff7f835a1000
BSD process name corresponding to current thread: kernel_task
Mac OS version:
12C54
Kernel version:
Darwin Kernel Version 12.2.0: Sat Aug 25 00:48:52 PDT 2012; root:xnu-2050.18.24~1/RELEASE_X86_64
Kernel UUID: 69A5853F-375A-3EF4-9247-478FD0247333
Kernel slide:     0x0000000002e00000
Kernel text base: 0xffffff8003000000
System model name: MacBookAir5,2 (Mac-2E6FAB96566FE58C)
System uptime in nanoseconds: 683030186887
last loaded kext at 26703976922: com.apple.filesystems.smbfs          1.8 (addr 0xffffff7f84bce000, size 229376)
last unloaded kext at 78919925647: com.apple.driver.AppleFileSystemDriver          3.0.1 (addr 0xffffff7f84ae7000, size 8192)
loaded kexts:
dl.uds.netusb.controller          1.0.0d1
com.silex.driver.sxuptp          1.5.1
com.apple.filesystems.smbfs          1.8
com.apple.driver.AudioAUUC          1.60
com.apple.iokit.IOBluetoothSerialManager          4.0.9f33
com.apple.filesystems.autofs          3.0
com.apple.driver.X86PlatformShim          1.0.0
com.apple.driver.AGPM          100.12.69
com.apple.driver.ApplePlatformEnabler          2.0.5d4
com.apple.driver.AppleMikeyHIDDriver          122
com.apple.driver.AppleHDA          2.3.1f2
com.apple.iokit.BroadcomBluetoothHCIControllerUSBTransport          4.0.9f33
com.apple.driver.AppleMikeyDriver          2.3.1f2
com.apple.driver.AppleLPC          1.6.0
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.ApplePolicyControl          3.2.11
com.apple.driver.AppleSMCPDRC          1.0.0
com.apple.driver.AppleBacklight          170.2.3
com.apple.driver.AppleSMCLMU          2.0.2d0
com.apple.driver.AppleUpstreamUserClient          3.5.10
com.apple.driver.AppleMCCSControl          1.0.33
com.apple.driver.AppleIntelHD4000Graphics          8.0.0
com.apple.driver.AppleIntelFramebufferCapri          8.0.0
com.apple.driver.AppleUSBTCButtons          235.4
com.apple.driver.AppleUSBCardReader          3.1.0
com.apple.driver.AppleUSBTCKeyboard          235.4
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          34
com.apple.driver.XsanFilter          404
com.apple.iokit.IOAHCIBlockStorage          2.2.2
com.apple.driver.AppleUSBHub          5.2.5
com.apple.driver.AirPort.Brcm4331          602.15.22
com.apple.driver.AppleAHCIPort          2.4.1
com.apple.driver.AppleUSBEHCI          5.4.0
com.apple.driver.AppleUSBXHCI          1.4.0
com.apple.driver.AppleEFINVRAM          1.6.1
com.apple.driver.AppleSmartBatteryManager          161.0.0
com.apple.driver.AppleRTC          1.5
com.apple.driver.AppleACPIButtons          1.6
com.apple.driver.AppleHPET          1.7
com.apple.driver.AppleSMBIOS          1.9
com.apple.driver.AppleACPIEC          1.6
com.apple.driver.AppleAPIC          1.6
com.apple.driver.AppleIntelCPUPowerManagementClient          196.0.0
com.apple.nke.applicationfirewall          4.0.39
com.apple.security.quarantine          2
com.apple.driver.AppleIntelCPUPowerManagement          196.0.0
com.apple.iokit.IOSerialFamily          10.0.6
com.apple.kext.triggers          1.0
com.apple.driver.DspFuncLib          2.3.1f2
com.apple.iokit.IOAudioFamily          1.8.9fc10
com.apple.kext.OSvKernDSPLib          1.6
com.apple.iokit.AppleBluetoothHCIControllerUSBTransport          4.0.9f33
com.apple.iokit.IOSurface          86.0.3
com.apple.iokit.IOBluetoothFamily          4.0.9f33
com.apple.driver.AppleGraphicsControl          3.2.11
com.apple.driver.AppleBacklightExpert          1.0.4
com.apple.driver.AppleSMBusPCI          1.0.10d0
com.apple.driver.AppleHDAController          2.3.1f2
com.apple.iokit.IOHDAFamily          2.3.1f2
com.apple.driver.X86PlatformPlugin          1.0.0
com.apple.driver.AppleSMC          3.1.4d2
com.apple.driver.IOPlatformPluginFamily          5.2.0d16
com.apple.driver.AppleSMBusController          1.0.10d0
com.apple.iokit.IONDRVSupport          2.3.5
com.apple.iokit.IOGraphicsFamily          2.3.5
com.apple.driver.AppleThunderboltDPInAdapter          1.8.5
com.apple.driver.AppleThunderboltDPAdapterFamily          1.8.5
com.apple.driver.AppleThunderboltPCIDownAdapter          1.2.5
com.apple.iokit.IOSCSIBlockCommandsDevice          3.5.1
com.apple.iokit.IOUSBMassStorageClass          3.5.0
com.apple.iokit.IOSCSIArchitectureModelFamily          3.5.1
com.apple.driver.AppleUSBMultitouch          235.7
com.apple.iokit.IOUSBHIDDriver          5.2.5
com.apple.driver.AppleUSBMergeNub          5.2.5
com.apple.driver.AppleUSBComposite          5.2.5
com.apple.driver.AppleThunderboltNHI          1.6.0
com.apple.iokit.IOThunderboltFamily          2.1.1
com.apple.iokit.IOUSBUserClient          5.2.5
com.apple.iokit.IO80211Family          500.15
com.apple.iokit.IONetworkingFamily          3.0
com.apple.iokit.IOAHCIFamily          2.2.1
com.apple.iokit.IOUSBFamily          5.4.0
com.apple.driver.AppleEFIRuntime          1.6.1
com.apple.iokit.IOHIDFamily          1.8.0
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.sandbox          220
com.apple.kext.AppleMatch          1.0.0d1
com.apple.security.TMSafetyNet          7
com.apple.driver.DiskImages          344
com.apple.iokit.IOStorageFamily          1.8
com.apple.driver.AppleKeyStore          28.21
com.apple.driver.AppleACPIPlatform          1.6
com.apple.iokit.IOPCIFamily          2.7.1
com.apple.iokit.IOACPIFamily          1.4
com.apple.kec.corecrypto          1.0
Model: MacBookAir5,2, BootROM MBA51.00EF.B01, 2 processors, Intel Core i5, 1.8 GHz, 8 GB, SMC 2.5f7
Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In, 512 MB
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1600 MHz, 0x80AD, 0x484D5434353153364D465238412D50422020
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1600 MHz, 0x80AD, 0x484D5434353153364D465238412D50422020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xE9), Broadcom BCM43xx 1.0 (5.106.98.81.22)
Bluetooth: Version 4.0.9f33 10885, 2 service, 18 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
Serial ATA Device: APPLE SSD TS128E, 121.33 GB
USB Device: hub_device, 0x8087 (Intel Corporation), 0x0024, 0x1d100000 / 2
USB Device: hub_device, 0x0424 (SMSC), 0x2513, 0x1d180000 / 3
USB Device: Internal Memory Card Reader, apple_vendor_id, 0x8404, 0x1d183000 / 6
USB Device: BRCM20702 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0x1d181000 / 5
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x821f, 0x1d181300 / 8
USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x024c, 0x1d182000 / 4
USB Device: hub_device, 0x8087 (Intel Corporation), 0x0024, 0x1a100000 / 2
USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8510, 0x1a110000 / 3

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.
Here are some general guidelines. Suppose you want to remove something called “BrickYourMac.” First, consult the product's Help menu, if there is one, for instructions. Finding none there, look on the developer's website, say www.brickyourmac.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 BrickYourMac.dmg and open it. There may be an application in there such as “Uninstall BrickYourMac.” If not, open “BrickYourMac.pkg” and look for an Uninstall button.
You may have to log out or reboot in order to complete an uninstallation.
If you can’t remove software in any other way, you’ll have to erase your boot volume and perform a clean reinstallation of 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.
Trying to remove complex system modifications by hunting for files by name often will not work and may make the problem worse. The same goes for "utilities" that purport to remove software.

My Mail app on my Macbook Air with Mountain Lion constantly crashes and freezes.

Can I uninstall and reinstall it?

Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
Step 1
Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left.
Enter the name of the crashed application or process in the Filter text field. Select the messages from the time of the last crash, if any. Copy them (command-C) to the Clipboard. Paste (command-V) into a reply to this message.
When posting a log extract, be selective. In most cases, a few dozen lines are more than enough.
Please do not indiscriminately dump thousands of lines from the log into this discussion.
Important: Some private information, such as your name, may appear in the log. Anonymize before posting.
Step 2
Still in the Console window, look under User Diagnostic Reports for crash reports related to the process. The report name starts with the name of the crashed process, and ends with ".crash". Select the most recent report and post the entire contents — again, the text, not a screenshot. In the interest of privacy, I suggest that, before posting, you edit out the “Anonymous UUID,” a long string of letters, numbers, and dashes in the header of the report, if it’s present (it may not be.) Please don’t post shutdownStall, spin, or hang logs — they're very long and not helpful.

I have a macbook air with OS 10.7.5 How do I delete Preview history ? Thanks.

I have a macbook air with OS 10.7.5 How do I delete Preview history ? Thanks.

Images can be cleared from history from the menu with File -> Close selected image.

I tried to airdrop Civilization V from a Macbook Pro with Mountain Lion to a Macbook Pro with Lion and it doesn't work. Other apps have but Civ V has not.

I tried to airdrop Civilization V from a Macbook Pro with Mountain Lion to a Macbook Pro with Lion and it doesn't work. Other apps have but Civ V has not.

Likely because it's a not self contained and/or it's game and copy protected, so install it via the developers instructions instead, which likely means it will have ot be uninstalled off the first machine, the developer contacted for a new license key before installing on the newer machine.
If you want it on both machines, you will need to likely buy another license.
Most developers are fine with transfering license between machines, you have to contact them.
They just want to make sure it's only on one machine so they are not getting robbed.

I have a 15" MacBook Pro with Mountain Lion installed. I have partitioned the hard drive into two partitions. Is it possible to install Snow Leopard on the second partition? If so how do I do it?

I have a 15" MacBook Pro with Mountain Lion installed. I have partitioned the hard drive into two partitions. Is it possible to install Snow Leopard on the second partition? If so how do I do it?

If your MacBook Pro had Snow Leopard on it at one time then sure. (Early 2011 or earlier)
How to erase and install Snow Leopard 10.6
Obviously choose the second partition to install into. It has to be OS X Extended journaled formatted in Disk Utility (BootCamp software makes it a MSDOS/FAT32 formatted partition if you used that to partition with)
If it's a Early 2011 or Late 2011 that came with 10.7, it's possible, but it's not easy.
https://discussions.apple.com/thread/3264421?start=0&tstart=0
If you can't install Snow Leopard, there is a thread over at MacRumors how to run Snow Leopard in a virtual machine program under 10.7 or 10.8

I have a MacBook Air with the Intel Core 2 Duo processor. Will it run Lion?

I have a MacBook Air with the Intel Core 2 Duo processor. Will it run Lion?

Yes, if it has at least 2 GBs of installed RAM.

I have a Macbook Air with Lion and have downloaded drivers for the Pico Pix 2055 which i am unable to run how do I override the security. I have followed the Mac procedure but to no avail :-(

I have a Macbook Air with Lion and have downloaded for the Pico Pix 2055 which I am unable to run. How do I override the security. I have followed the Mac procedure but to no avail :-(.

See the heading "How to open an app from a unidentified developer" on this support page. The instructions apply to installer packages as well as applications.

HT1338 Purchased a used macbook pro with Mountain Lion. My old Mac runs Snow Leopard is backed up to Time machine. How do I register the operating system to me and how do I use Time Machine to move my files to the new used computer?

Purchased a used macbook pro with Mountain Lion. My old Mac runs Snow Leopard is backed up to Time machine. How do I register the operating system to me and how do I use Time Machine to move my files to the new used computer?

If you look at the User Tips tab, you will find a write up on just this subject:
https://discussions.apple.com/docs/DOC-4053
The subject of buying/selling a Mac is quite complicated. Here is a guide to the steps involved. It is from the Seller's point of view, but easily read the other way too:
SELLING A MAC A
Internet Recovery, and Transferability of OS & iLife Apps
Selling an Old Mac:
• When selling an old Mac, the only OS that is legally transferable is the one that came preinstalled when the Mac was new. Selling a Mac with an upgraded OS isn't doing the new owner any favors. Attempting to do so will only result in headaches since the upgraded OS can't be registered by the new owner. If a clean install becomes necessary, they won't be able to do so and will be forced to install the original OS via Internet Recovery. Best to simply erase the drive and revert back to the original OS prior to selling any Mac.
• Additionally, upgrading the OS on a Mac you intend to sell means that you are leaving personally identifiable information on the Mac since the only way to upgrade the OS involves using your own AppleID to download the upgrade from the App Store. So there will be traces of your info and user account left behind. Again, best to erase the drive and revert to the original OS via Internet Recovery.
Internet Recovery:
• In the event that the OS has been upgraded to a newer version (i.e. Lion to Mountain Lion), Internet Recovery will offer the version of the OS that originally came with the Mac. So while booting to the Recovery Disk will show Mountain Lion as available for reinstall since that is the current version running, Internet Recovery, on the other hand, will only show Lion available since that was the OS shipped with that particular Mac.
• Though the Mac came with a particular version of Mac OS X, it appears that, when Internet Recovery is invoked, the most recent update of that version may be applied. (i.e. if the Mac originally came with 10.7.3, Internet Recovery may install a more recent update like 10.7.5)
iLife Apps:
• When the App Store is launched for the first time it will report that the iLife apps are available for the user to Accept under the Purchases section. The user will be required to enter their AppleID during the Acceptance process. From that point on the iLife apps will be tied to the AppleID used to Accept them. The user will be allowed to download the apps to other Macs they own if they wish using the same AppleID used to Accept them.
• Once Accepted on the new Mac, the iLife apps can not be transferred to any future owner when the Mac is sold. Attempting to use an AppleID after the apps have already been accepted using a different AppleID will result in the App Store reporting "These apps were already assigned to another Apple ID".
• It appears, however, that the iLife Apps do not automatically go to the first owner of the Mac. It's quite possible that the original owner, either by choice or neglect, never Accepted the iLife apps in the App Store. As a result, a future owner of the Mac may be able to successfully Accept the apps and retain them for themselves using their own AppleID. Bottom Line: Whoever Accepts the iLife apps first gets to keep them.
SELLING A MAC B
Follow these instructions step by step to prepare a Mac for sale:
Step One - Back up your data:
A. If you have any Virtual PCs shut them down. They cannot be in their "fast saved" state. They must be shut down from inside Windows.
B. Clone to an external drive using using Carbon Copy Cloner.
1. Open Carbon Copy Cloner.
2. Select the Source volume from the Select a source drop down menu on the left side.
3. Select the Destination volume from the Select a destination drop down menu on the right
side.
4. Click on the Clone button. If you are prompted about creating a clone of the Recovery HD be
sure to opt for that.
Destination means a freshly erased external backup drive. Source means the internal
startup drive.
Step Two - Prepare the machine for the new buyer:
1. De-authorize the computer in iTunes! De-authorize both iTunes and Audible accounts.
2, Remove any Open Firmware passwords or Firmware passwords.
3. Turn the brightness full up and volume nearly so.
4. Turn off File Vault, if enabled.
5. Disable iCloud, if enabled: See.What to do with iCloud before selling your computer
Step Three - Install a fresh OS:
A. Snow Leopard and earlier versions of OS X
1. Insert the original OS X install CD/DVD that came with your computer.
2. Restart the computer while holding down the C key to boot from the CD/DVD.
3. Select Disk Utility from the Utilities menu; repartition and reformat the internal hard drive.
Optionally, click on the Security button and set the Zero Data option to one-pass.
4. Install OS X.
5. Upon completion DO NOT restart the computer.
6. Shutdown the computer.
B. Lion and Mountain Lion (if pre-installed on the computer at purchase*)
Note: You will need an active Internet connection. I suggest using Ethernet if possible because
it is three times faster than wireless.
1. Restart the computer while holding down the COMMAND and R keys until the Mac OS X
Utilities window appears.
2. Select Disk Utility from the Mac OS X Utilities window and click on the Continue button.
3. After DU loads select your startup volume (usually Macintosh HD) from the left side list. Click
on the Erase tab in the DU main window.
4. Set the format type to Mac OS Extended (Journaled.) Optionally, click on the Security button
and set the Zero Data option to one-pass.
5. Click on the Erase button and wait until the process has completed.
6. Quit DU and return to the Mac OS X Utilities window.
7. Select Reinstall Lion/Mountain Lion and click on the Install button.
8. Upon completion shutdown the computer.
*If your computer came with Lion or Mountain Lion pre-installed then you are entitled to transfer your license once. If you purchased Lion or Mountain Lion from the App Store then you cannot transfer your license to another party. In the case of the latter you should install the original version of OS X that came with your computer. You need to repartition the hard drive as well as reformat it; this will assure that the Recovery HD partition is removed. See Step Three above. You may verify these requirements by reviewing your OS X Software License.

I have a Macbook Air with Mountain Lion..I upgraded to the latest version called Mavericks OX now it crashes a lot...when I use the shift key especially I now have version 10.9

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