Reformatting my MacBook Pro Retina

I would like to know whether do I have to pay if I want to reformat my MacBook Pro Retina to it's original factory setting.

You should be able to do this yourself. Follow these guidelines:
http://www.thesafemac.com/how-to-prepare-your-mac-for-sale/
Ciao.

Similar Messages

I can't be the only one with this issue. MacBook Pro Retina Late-2013 WiFi disconnects after waking up from sleep.

Did anyone buy a MacBook Pro Retina 13" from Best Buy this Black Friday?
I'm having an issue where the WiFi disconnects after the MacBook wakes from sleep but only after a couple of minutes.
Once the WiFi disconnects, I can't reconnect to the same network and sometimes it won't find nearby networks.
I have to turn off the WiFi and wait for at least 5 seconds before turning it back on for it to auto-reconnect to my home network.
If I wait less than 5 seconds, it will continue to attempt connection to the home network but won't connect.
I've tried reformatting and deleting my network configurations as well as resetting my modem, power cycling it, etc.
I am using 2Wire Gateway modem/router from AT&T on b/g network.
I've tried connecting to a friend's network under Time Warner Cable and the same issue occurs.
I exchanged the MacBook at a Best Buy for a brand unopened one (I hope) and the same exact thing happens with this new one.
Really, I can't be the only one with this issue. Unless in a 0.00001% chance I received two defective units in a row?
Please.. does anyone have a clue why this is happening?

You're definitely not the only one. I have the same issue. I spent 6 hours over multiple days on the phone with Apple support trying a variety of things (some of which are mentioned above), and none of them worked. They finally sent me a replacement laptop. I made sure to try it periodicaly as I was moving files and installing applications to see if I ran into it again and things seemed okay at first but now I am running into the same issue and it is terribly annoying. I've got 5 other devices that connect to the same router and I've never had this issue with any of them.
My router is a Linksys E2000. I haven't tried changing the router channel but I have tried to cnnecting to other networks in the building I live in and I have run into the same issue there.

How do I erase the free space on macbook pro retina?

I went to erase the free space on my MacBook Pro Retina in the Disk Utility but it says not available for this type of drive. Is there a way I can get around this?

You can't use Disk Utility to securely erase a Solid State Disk drive, because of the fact that SSD's have limited write capability, unlike hard drives, thus have to protect the sectors from as little writes as possible.
In fact TRIM (wear leveling) is enabled to write new data to the least used sectors on a SSD each time.
The NSA guidelines for secure data destruction on SSD's is to grind them into a fine powder.
If you don't require this level of data destruction, you can do this trick below, but not often or you'll premaurely wear out your SSD.
Finder > Duplicate a small file repeatly in a folder until slightly more than 50% of the remaining free space on the SSD is used up, (use Activity Monitor) then delete this folder.
Then duplicate a different small file repeatly in another folder in the same manner.
What this will do is, because of the small file, OS X will fill the smallest unused spots on the SSD, the duplicates will fill the remaining free space half way, then the second folder will (because of TRIM) fill the other remaining 50% of the free space.
You can't fill your boot drive or the machine can refuse to function or boot, but because of the wear leveling this should overwrite all your available free space on the SSD once.
If you have a laptop and TimeMachine, there is a hidden database on the boot drive which will store a copy of the deleted data.
Then there is "versions" and it's possible a copy of the deleted data is stored in that cache file still on the SSD.
I can advise how to delete the TimeMachine backup file on the boot drive, but not the "versions" database or what it contains.
How do I securely delete data from the machine?
If your really paranoid it's likely best to reformat the entire MacintoshHD partition from recovery and then with a new user, then do the Finder > Duplicate procedure to overwrite the deleted data off the SSD, this way the "versions" and TimeMachine databases are also overwritten.
Nothing is safe anymore.

Macbook Pro Retina Display Disk is locked

Hi,
I have a macbook pro retina display with mountain lion 10.8.1.
Today I shutdown my machine and now when I try to turn it on it goes to a progress bar and spinning and it just turns off itself. I have tried recovery mode and it turns out the disk needs repair and after repair it says it can't be repaired and it should be reformat again. I've tried safe mode but it keeps doing the progress bar and spinning and it turns off again.
I don't know what happened to the machine it was on my desk all the time and it has flash storage so no failing in hard disk and bad sector.
What should I do? (I don't have a external hard drive with GUID to install ML on it and see if I can open my Macintosh HD. And I don't have a Time Machine backup).

Do you have any backups? If the answer is no, you've quite possibly lost all your data.

Macbook Pro Retina crashes with thunderbolt display

Whenver I plug the thunderbolt display into my macbook pro retina both displays black out and the computer becomes semi-unrespsonsive (ie I can hear the volume controls however that is all. I need to force shutdown.
I've noticed this problem happening since I installed xQuark (X11) a week ago, I have since removed it and any traces of it but the problem seems to have become worse.
Below was taken from /Library/Logs/DiagnosticReports/Kernel_2014-05-15-110032_Erics-MacBook-Pro.pani c
Anonymous UUID:       19585CF3-FBBE-A563-492E-2409319F5C2A
Thu May 15 11:00:32 2014
panic(cpu 0 caller 0xffffff7f88774fb0): "GPU Panic: [<None>] 5 0 a0 d9 9 8 0 3 : NVRM[0/1:0:0]: Read Error 0x00000100: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0x102c00000 0xffffff80fdc15000 0x0e7150a2, D0, P1/4\n"@/SourceCache/AppleGraphicsControl/AppleGraphicsControl-3.4.35/src/Apple MuxControl/kext/GPUPanic.cpp:127
Backtrace (CPU 0), Frame : Return Address
0xffffff80f9cdb320 : 0xffffff8006422fa9
0xffffff80f9cdb3a0 : 0xffffff7f88774fb0
0xffffff80f9cdb470 : 0xffffff7f86dfa22c
0xffffff80f9cdb530 : 0xffffff7f86ec4106
0xffffff80f9cdb570 : 0xffffff7f86ec4176
0xffffff80f9cdb5e0 : 0xffffff7f870e99de
0xffffff80f9cdb650 : 0xffffff7f86ee6c2d
0xffffff80f9cdb670 : 0xffffff7f86e00c75
0xffffff80f9cdb720 : 0xffffff7f86dfe780
0xffffff80f9cdb920 : 0xffffff7f86e000cf
0xffffff80f9cdb9f0 : 0xffffff7f87d0007b
0xffffff80f9cdbac0 : 0xffffff7f87c91c0b
0xffffff80f9cdbaf0 : 0xffffff7f87c903f4
0xffffff80f9cdbb70 : 0xffffff80068cd2aa
0xffffff80f9cdbb90 : 0xffffff80068cde0e
0xffffff80f9cdbbf0 : 0xffffff80068cb85f
0xffffff80f9cdbd40 : 0xffffff80064b65a8
0xffffff80f9cdbe50 : 0xffffff8006426bf1
0xffffff80f9cdbe80 : 0xffffff80064139f5
0xffffff80f9cdbef0 : 0xffffff800641e043
0xffffff80f9cdbf70 : 0xffffff80064c97bd
0xffffff80f9cdbfb0 : 0xffffff80064f3b96
      Kernel Extensions in backtrace:
         com.apple.driver.AppleMuxControl(3.4.35)[1BFF66C1-65E4-3BB3-9DEE-B61C3137019B]@ 0xffffff7f88767000->0xffffff7f88779fff
            dependency: com.apple.driver.AppleGraphicsControl(3.4.35)[09897896-ACBD-36B5-B1D4-0CCC4000E 3B3]@0xffffff7f8875f000
            dependency: com.apple.iokit.IOACPIFamily(1.4)[045D5D6F-AD1E-36DB-A249-A346E2B48E54]@0xfffff f7f876d7000
            dependency: com.apple.iokit.IOPCIFamily(2.9)[EDA75271-4E9D-34E7-A2C5-14F0C8817D37]@0xffffff 7f86aba000
            dependency: com.apple.iokit.IOGraphicsFamily(2.4.1)[4421462D-2B1F-3540-8EEA-9DFCB0565E39]@0 xffffff7f86d57000
            dependency: com.apple.driver.AppleBacklightExpert(1.0.4)[E04639C5-D734-3AB3-A682-FE66694C66 53]@0xffffff7f88762000
         com.apple.nvidia.driver.NVDAResman(8.2.4)[3D591202-DD24-3441-925A-F6808ABDF185] @0xffffff7f86daa000->0xffffff7f8700efff
            dependency: com.apple.iokit.IOPCIFamily(2.9)[EDA75271-4E9D-34E7-A2C5-14F0C8817D37]@0xffffff 7f86aba000
            dependency: com.apple.iokit.IONDRVSupport(2.4.1)[999E29DA-D513-3544-89D1-9885B728A098]@0xff ffff7f86d9a000
            dependency: com.apple.iokit.IOGraphicsFamily(2.4.1)[4421462D-2B1F-3540-8EEA-9DFCB0565E39]@0 xffffff7f86d57000
         com.apple.nvidia.driver.NVDAGK100Hal(8.2.4)[ACFCEA0C-4C80-36C0-8636-D10EE7D2DE1 7]@0xffffff7f87019000->0xffffff7f871c5fff
            dependency: com.apple.nvidia.driver.NVDAResman(8.2.4)[3D591202-DD24-3441-925A-F6808ABDF185] @0xffffff7f86daa000
            dependency: com.apple.iokit.IOPCIFamily(2.9)[EDA75271-4E9D-34E7-A2C5-14F0C8817D37]@0xffffff 7f86aba000
         com.apple.iokit.IOAcceleratorFamily(98.14)[E354596B-CE66-31A7-B0DC-834008B85FCA ]@0xffffff7f87c7a000->0xffffff7f87cd2fff
            dependency: com.apple.iokit.IOPCIFamily(2.9)[EDA75271-4E9D-34E7-A2C5-14F0C8817D37]@0xffffff 7f86aba000
            dependency: com.apple.iokit.IOGraphicsFamily(2.4.1)[4421462D-2B1F-3540-8EEA-9DFCB0565E39]@0 xffffff7f86d57000
         com.apple.GeForce(8.2.4)[401BA8AE-CD52-3810-A066-4C648B3FC46D]@0xffffff7f87cdf0 00->0xffffff7f87d6dfff
            dependency: com.apple.iokit.IOAcceleratorFamily(98.14)[E354596B-CE66-31A7-B0DC-834008B85FCA ]@0xffffff7f87c7a000
            dependency: com.apple.iokit.IOPCIFamily(2.9)[EDA75271-4E9D-34E7-A2C5-14F0C8817D37]@0xffffff 7f86aba000
            dependency: com.apple.iokit.IONDRVSupport(2.4.1)[999E29DA-D513-3544-89D1-9885B728A098]@0xff ffff7f86d9a000
            dependency: com.apple.nvidia.driver.NVDAResman(8.2.4)[3D591202-DD24-3441-925A-F6808ABDF185] @0xffffff7f86daa000
            dependency: com.apple.iokit.IOGraphicsFamily(2.4.1)[4421462D-2B1F-3540-8EEA-9DFCB0565E39]@0 xffffff7f86d57000
BSD process name corresponding to current thread: WindowServer
Mac OS version:
13C1021
Kernel version:
Darwin Kernel Version 13.1.0: Wed Apr 2 23:52:02 PDT 2014; root:xnu-2422.92.1~2/RELEASE_X86_64
Kernel UUID: E9CF78E2-1E9F-3B6F-81A4-FEE6C6D0E4D5
Kernel slide:     0x0000000006200000
Kernel text base: 0xffffff8006400000
System model name: MacBookPro10,1 (Mac-C3EC7CD22292981F)
System uptime in nanoseconds: 90093108152
last loaded kext at 84805683382: com.apple.driver.AppleUSBDisplays          360.8.14 (addr 0xffffff7f88070000, size 20480)
loaded kexts:
com.apple.driver.AppleUSBDisplays          360.8.14
com.apple.driver.AppleUSBCDC          4.2.1b5
com.apple.driver.AppleUSBOHCI          656.4.1
com.apple.driver.AppleFWOHCI          4.9.9
com.apple.driver.AppleBluetoothMultitouch          80.14
com.apple.driver.AppleHWSensor          1.9.5d0
com.apple.filesystems.autofs          3.0
com.apple.iokit.IOBluetoothSerialManager          4.2.3f10
com.apple.driver.AudioAUUC          1.60
com.apple.driver.AppleMikeyHIDDriver          124
com.apple.driver.AppleMikeyDriver          2.6.0f1
com.apple.driver.AGPM          100.14.15
com.apple.driver.X86PlatformShim          1.0.0
com.apple.driver.ApplePlatformEnabler          2.0.9d1
com.apple.driver.AppleHDAHardwareConfigDriver          2.6.0f1
com.apple.driver.AppleUpstreamUserClient          3.5.13
com.apple.driver.AppleHDA          2.6.0f1
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.GeForce          8.2.4
com.apple.iokit.IOBluetoothUSBDFU          4.2.3f10
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport          4.2.3f10
com.apple.driver.AppleHWAccess          1
com.apple.driver.AppleIntelHD4000Graphics          8.2.4
com.apple.driver.AppleThunderboltIP          1.1.2
com.apple.nvidia.NVDAStartup          8.2.4
com.apple.driver.AppleIntelMCEReporter          104
com.apple.driver.AppleSMCLMU          2.0.4d1
com.apple.driver.AppleLPC          1.7.0
com.apple.driver.AppleSMCPDRC          1.0.0
com.apple.driver.AppleIntelFramebufferCapri          8.2.4
com.apple.driver.ACPI_SMC_PlatformPlugin          1.0.0
com.apple.driver.AppleMuxControl          3.4.35
com.apple.driver.AppleBacklight          170.3.5
com.apple.driver.AppleMCCSControl          1.1.12
com.apple.driver.AppleUSBTCButtons          240.2
com.apple.driver.AppleUSBTCKeyEventDriver          240.2
com.apple.driver.AppleUSBTCKeyboard          240.2
com.apple.driver.AppleFileSystemDriver          3.0.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          35
com.apple.driver.XsanFilter          404
com.apple.driver.AppleUSBHub          666.4.0
com.apple.driver.AppleSDXC          1.5.2
com.apple.iokit.IOAHCIBlockStorage          2.5.1
com.apple.iokit.AppleBCM5701Ethernet          3.8.1b2
com.apple.driver.AirPort.Brcm4331          700.20.22
com.apple.driver.AppleAHCIPort          3.0.0
com.apple.driver.AppleUSBEHCI          660.4.0
com.apple.driver.AppleUSBXHCI          670.4.0
com.apple.driver.AppleSmartBatteryManager          161.0.0
com.apple.driver.AppleRTC          2.0
com.apple.driver.AppleACPIButtons          2.0
com.apple.driver.AppleHPET          1.8
com.apple.driver.AppleSMBIOS          2.1
com.apple.driver.AppleACPIEC          2.0
com.apple.driver.AppleAPIC          1.7
com.apple.driver.AppleIntelCPUPowerManagementClient          216.0.0
com.apple.nke.applicationfirewall          153
com.apple.security.quarantine          3
com.apple.driver.AppleIntelCPUPowerManagement          216.0.0
com.apple.driver.AppleUSBAudio          2.9.5f4
com.apple.iokit.IOFireWireIP          2.2.6
com.apple.iokit.IOFireWireFamily          4.5.5
com.apple.driver.AppleThunderboltPCIUpAdapter          1.4.5
com.apple.driver.AppleBluetoothHIDKeyboard          170.15
com.apple.driver.AppleHIDKeyboard          170.15
com.apple.driver.IOBluetoothHIDDriver          4.2.3f10
com.apple.driver.AppleMultitouchDriver          245.13
com.apple.kext.triggers          1.0
com.apple.iokit.IOSerialFamily          10.0.7
com.apple.iokit.IOSCSIArchitectureModelFamily          3.6.6
com.apple.driver.DspFuncLib          2.6.0f1
com.apple.vecLib.kext          1.0.0
com.apple.iokit.IOAudioFamily          1.9.5fc2
com.apple.kext.OSvKernDSPLib          1.14
com.apple.iokit.IOAcceleratorFamily          98.14
com.apple.nvidia.driver.NVDAGK100Hal          8.2.4
com.apple.nvidia.driver.NVDAResman          8.2.4
com.apple.iokit.IOBluetoothFamily          4.2.3f10
com.apple.iokit.IOBluetoothHostControllerUSBTransport          4.2.3f10
com.apple.iokit.IOSurface          91
com.apple.driver.AppleThunderboltEDMSink          2.1.3
com.apple.driver.AppleThunderboltDPOutAdapter          3.1.7
com.apple.driver.AppleHDAController          2.6.0f1
com.apple.iokit.IOHDAFamily          2.6.0f1
com.apple.driver.AppleSMBusPCI          1.0.12d1
com.apple.iokit.IOAcceleratorFamily2          98.14
com.apple.AppleGraphicsDeviceControl          3.4.35
com.apple.driver.IOPlatformPluginLegacy          1.0.0
com.apple.driver.X86PlatformPlugin          1.0.0
com.apple.driver.AppleSMC          3.1.8
com.apple.driver.IOPlatformPluginFamily          5.7.0d10
com.apple.driver.AppleGraphicsControl          3.4.35
com.apple.driver.AppleBacklightExpert          1.0.4
com.apple.iokit.IONDRVSupport          2.4.1
com.apple.driver.AppleSMBusController          1.0.11d1
com.apple.iokit.IOGraphicsFamily          2.4.1
com.apple.driver.AppleUSBMultitouch          240.9
com.apple.iokit.IOUSBHIDDriver          660.4.0
com.apple.driver.AppleThunderboltDPInAdapter          3.1.7
com.apple.driver.AppleThunderboltDPAdapterFamily          3.1.7
com.apple.driver.AppleThunderboltPCIDownAdapter          1.4.5
com.apple.driver.AppleUSBMergeNub          650.4.0
com.apple.driver.AppleUSBComposite          656.4.1
com.apple.driver.AppleThunderboltNHI          2.0.1
com.apple.iokit.IOThunderboltFamily          3.2.7
com.apple.iokit.IOEthernetAVBController          1.0.3b4
com.apple.driver.mDNSOffloadUserClient          1.0.1b5
com.apple.iokit.IOUSBUserClient          660.4.2
com.apple.iokit.IO80211Family          630.35
com.apple.iokit.IONetworkingFamily          3.2
com.apple.iokit.IOAHCIFamily          2.6.5
com.apple.iokit.IOUSBFamily          675.4.0
com.apple.driver.AppleEFINVRAM          2.0
com.apple.driver.AppleEFIRuntime          2.0
com.apple.iokit.IOHIDFamily          2.0.0
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.sandbox          278.11
com.apple.kext.AppleMatch          1.0.0d1
com.apple.security.TMSafetyNet          7
com.apple.driver.AppleKeyStore          2
com.apple.driver.DiskImages          371.1
com.apple.iokit.IOStorageFamily          1.9
com.apple.iokit.IOReportFamily          23
com.apple.driver.AppleFDEKeyStore          28.30
com.apple.driver.AppleACPIPlatform          2.0
com.apple.iokit.IOPCIFamily          2.9
com.apple.iokit.IOACPIFamily          1.4
com.apple.kec.corecrypto          1.0
com.apple.kec.pthread          1

Hi there ericdi,
It looks like you are experiencing persistent kernel panics. You may find the troubleshooting steps toward the bottom of the article below helpful. Please keep in mind, diagnosing a recurring kernel panic can be difficult. If you would like to avoid this process, or do not know how to perform any of the following steps, consider bringing the Mac to a Genius at an Apple Store or an Apple Authorized Service Provider for assistance. Be sure to ask that, if the drive needs reformatting or replacing, they contact you about escalating your case to a special data recovery service. If you plan to visit an Apple Retail store, make a reservation at the Genius Bar using http://www.apple.com/retail/geniusbar/ (available in some countries only).
OS X: About kernel panics
http://support.apple.com/kb/ts3742
-Griff W.

Macbook Pro Retina corrupting hard drives?

I work off a Macbook Pro Retina and G-Technology hard drives. I've been editing Sony 4K raw footage filmed on the Sony FS-700. I have noticed that when I am working with this footage on this computer and try to run other apps the computer will freeze and/or just shut down abruptly. Bringing the computer back on after this shut down has killed some of my hard drives. The computer won't even recognize them. I can only see them on the disk utility and was able to reformat most of the drives I've lost. One was unrepairable.
I've worked with these drives for years and have never had these issues. I've contacted them and they suggested I contact Apple. Sony in talking to their customers service suggested the same. This is after hours on the phone with both going through setup and video editing workflow. I do not have this issue on my iMac at home or another iMac at work. It only occurs with this laptop.
This is really frustrating as I've lost tons of data. Good thing I back up.
I don't know if this can be solved but really wanted to bring this to someone's attention.
I have a 15inch MCB Pro retina and have 2 thunderbolt displays.
Are the displays drawing too much power and killing my drives? Simplistic but my renders go faster or actually go when those displays are not connected.

There are two things you could do:
Turn your Aperture Library into a referenced library and relocate the master image files to your external drive. You will be able to browse, grade, and tag your images even if the external drive is not connected, but you can only edit those images whose masters are managed. Sp perhaps you could keep the masters of the most recent projects managed. while you are on the road import the new images into the library and relocate them to your external drive when you get back.
To relocate to an external drive: Select the images and use
File -> Relocate Masters
What I sometimes do when on vacation: create a new, second Aperture Library on my travel MacBook Pro and import my new pictures from the trip into this library. When I return I import the new Library from the trip into my main Aperture LIbraryFile -> Import -> Library/Project
Regards
Léonie

My macbook pro retina keeps on shutting down when installing OS X(Mountain Lion). Why is it so? Can anyone help? Thank you!

My macbook pro retina is experiencing random shutdowns. I reformatted my macbook pro but before that, I have windows 7 bootcamp on my macbook together with mac os mountain lion. So, I reformatted and installed OS Mountain Lion, but the installation is not working well as it keeps on shutting down halfway. Please help!

jterng,
did you use OS X Internet Recovery to reïnstall Mountain Lion onto your MacBook Pro?

Slow Shut Down Time For Macbook Pro Retina Snow Leapord

Hello, I was hoping somoene could help me with the following problems.
I have brand new Macbook Pro Retina, 15inch, 16G RAM, 500G of SSD, running Mountain Lion, and lots of professional recording software. My macbook frequently shuts down after 30 seconds, that wonderful grey wheel spinning in the center of the screen as if it were an old PC.
I've contacted apple frequently. They check to see that I've repaired disk permission, they reset...the RAM i believe, they ask if i shut down all the programs. Even through doing all of this, usually my macbook takes 30 seconds to shut down. Sometimes it takes only 5, which is how it usually should be. ANd this occurence seems to be inconsistent with the apps I use. Sometimes it takes long to shutdown when i've barely used a thing. Other times it shuts down immediately when i've used a lot of different programs at once. So there's no constant.
The apple boys suggest reformatting the computer to make sure it isn't a hardware issue. I refuse to accept that after only 3 months of use I already have to reformat everything. It's not the most enjoyable experience because I'd have to reinstal all my audio software despite Time Machine's magic tricks. Any suggestions?
Here is a link I've found on the matter: http://thecustomizewindows.com/2013/02/fix-mountain-lion-slow-shut-down-time/

These terminal commands decrease the excecution time of a process that has caused slow shutdown times for many users. This resolved my slow shutdowns. IF you are comfortable using terminal you can give them a shot, but be VERY careful using terminal.
These terminal commands should also fix the problem then and kill the services after 2 seconds:
Code:
sudo launchctl unload /System/Library/LaunchDaemons/com.apple.coreservices.appleevents.plist sudo defaults write /System/Library/LaunchDaemons/com.apple.coreservices.appleevents ExitTimeOut -int 2 sudo launchctl load /System/Library/LaunchDaemons/com.apple.coreservices.appleevents.plist

What is the best external battery to use with a macbook pro retina?

Looking for the best option here. What is the best external battery to use with a macbook pro retina?

You should check your date of purchase against the manufacturer's warranty
or guaranty since some of those better brands have some recourse should
they fail within a specified time period. A good reason to save dated receipts.
Since solid-state USB drives probably don't (all) use a wear-leveling software
to equally utilize their recordable space evenly, it is possible that some of these
may exhibit a failure in some sector areas due to excessive over-writing. If the
ones you use do not have such a technology or an undercounted total capacity
with a means to automatically write in other sections, you may have to consider
manually using a disk utility to zero-overwrite and reformat them occasionally.
Even so, that may only help a marginal flash or thumb drive work a little longer.
Should a camera memory card fail you still may be able to attempt with margin of
success, to +recover image files+ from it. re: http://www.cgsecurity.org/wiki/PhotoRec
The standard default format they ship with works well for most file types; so if
you aren't moving OS X or Mac app specific files around on a USB flash drive,
the original format should be fine. Oh, you can use Disk Utility to attempt to do
a repair; but in some cases you may have to reformat them, etc.
{Some of the flash drive warranties or guarantees may vary from between regions;
so if you have one with a '5 Year' guarantee in the US, other rules may apply in EU,
or when you seek to replace an item under warranty outside of where it was bought.}
Good luck & happy computing!

How do restore factory settinngs ( macbook pro retina) after i used migrate wrongly

how do restore factory settinngs ( macbook pro retina) after i used migrate wrongly. and want to start from the original

Use Lion Recovery to reformat the drive.

Macbook pro retina doesn't turn on for a day or two

Macbook Pro Retina 13-inch Late 2012
2.5GHz Intel Core i5
OS X Yosemite (10.10.2)
So this is a weird one... I recently purchased a used Macbook Pro Retina and the previous owner had upgraded the hard drive for a bigger size. My macbook worked great for a few days but then one night I closed it and the next day when I opened it, it would not turn on. I tried rebooting the battery (SHIFT+CONTROL+OPTION and POWER) then hitting power but NOTHING. At one point, I heard a clicking sound when I would leave the power button down. Then... two days later I push the power button just because and BAM! The screen comes on. (I didn't hear the start up sound, and it wasn't like it restarted.) It was as if the screen brightness was all the way down but then came back. (I kept trying to adjust that too before it turned on).
I don't understand!!! Two days later, same thing happened. Then again, it turned back on a day later.
The only thing I noticed that was weird was when I connected it to my tv with HDMI cable. The laptop screen would freeze and get distorted and I would have to force a restart (the black screen with the apple would appear and the loading bar as if I would updating the software).
I'm soooo confused and I don't want this to keep happening. I would appreciate any type of help or advice!!

Hi RACan2,
Welcome to the Apple Support Communities!
I understand that your MacBook Pro has had some strange startup and power issues. In this situation, To begin troubleshooting, I would recommend reading over and working through the attached article.
If your Mac won't turn on - Apple Support
Best regards,
Joe

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http://h30434.www3.hp.com/t5/Printer-networking-and-wireless/HP-Officejet-6500-E 709n-wireless-issue/m-p/258853
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