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Previous shutdown 128


A negative shutdown code may be from a hardware problem. (The codes are not publicly documented.)

Please, backup your system and important data before doing anything.

It could be from heat buildup, if your vents look clogged with dust, turn off your computer, then, gently vacuum or blow out any dust or other obstructions from the vents on your computer.

If you have an Intel based Mac, try this:
Intel based Macs Resetting the System Management Controller SMC

If this doesn't work, please consult an Apple Genius Bar:
Apple Retail Store Genius Bar

May 09, 2014 | Apple Mac OS X

1 Answer

Unexpected shut down


Good chances this is a thermal shutdown. if this is the case, the computer is shutting off to protect itself from permanent damage. if your OS is old enough (Snow leopard, I think) then the system logs show what caused the shutdown. it will give a number. anything other than a 0 or a 1 are bad. if I recall correctly 1, 5, 13 are thermal shutdowns. Newer OS's don't seem to show these codes. and Apple does not publish their meanings.

Dec 11, 2013 | Apple 13inch Economy MacBook laptop Intel...

1 Answer

How do i unlock my macbook mac os x from the login


Try this:

This worked for me, when I had to reset the pw on my brothers mac pro.

Creating a new Admin on Mac Os X:
Here's how to reset your OS X password without an OS X CD.
the Working solution for me was to create a new admin
you can create new admin like this by deleting a specific file.

You need to enter terminal and create a new admin account:

1. Reboot
2. Hold apple + s down after you hear the chime.
3. When you get text prompt enter in these terminal commands to create a brand new admin account (hitting return after each line):
* mount -uw /
* rm /var/db/.AppleSetupDone
* shutdown -h now
4. After rebooting you should have a brand new admin account. When you login as the new admin you can simply delete the old one and you're good to go again!

Aug 27, 2012 | Apple MacBook Pro Laptop Computer with...

1 Answer

Mac hangs on shutdown during automatic restart - black screen, flashing power light.


Apple icon top left corner, click menu drop down, click FORCE SHUTDOWN click each item intern to close.

Apr 13, 2012 | Computers & Internet

1 Answer

When I start my computer I can't get past the password becuase I forgot it and I dont have a disk can you help me


Try this :-
Creating a new Admin on Mac Os X: Here's how to reset your OS X password without an OS X CD.
1. Reboot 2. Hold apple key + s key down after you hear the chime. (command + s on newer Macs) 3. When you get text prompt enter in these terminal commands to create a brand new admin account (hitting return after each line):
mount -uw / rm /var/db/.AppleSetupDone shutdown -h now
4. After rebooting you should have a brand new admin account. When you login as the new admin you can simply delete the old one and your good to go again!
Apple stores wont reset it for you. Computer shops may have charged you $50 to $200 trying to reinstall the Mac.

Nov 16, 2010 | Apple iMac OS 9.1

1 Answer

My laptop shutsdown automatically after showing the dialog box of shutting down even after canceling the shutting down option whats the matter to my mac !!!!


reset the smc and pram followed by Apple website, also check the ystem with an external OS.If the issue remains same then probably the issue is with Logic board.If the system doesnot gets shutdown autometically after checking with external os then u need to format the HDD and then install OS freshly.The issue will get solved

Apr 16, 2010 | Apple MacBook 13"White /2.0Ghz Intel Core2...

1 Answer

My screen is on but just have a small camera in the middle of the screen blinking.. G4 power book can you help?


I seen a blinking folder with a question mark in the middle in folder, in the middle of a display screen, but not a camera.

Either way, you are not able to access your main desktop so that is where I want to help.

A blinking folder with a ? in middle, is an indication that your bootable Mac OS X volume cannot be found.

If you do, I would first recommend you try this procedure first:
(PRAM Reset)
Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} • First, hold in your power button for approximately 10 seconds to do a hard shutdown, if you have not already turned your Mac off.

• Once your Mac is shutdown, you will need to perform what is called a PRAM reset (Parameter RAM)
• Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously .

• Turn on the computer.
• Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
• Now, hold the keys down until the computer restarts and you hear the start up sound for the third time.
• Release the keys and allow the Powerbook G4 to start up.
------------------------------------------------------------------------------
If this still returns you to a blinking ? folder, try this process:
Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} DISK UTILITYYou can use your Mac OS X install disc to repair your hard drive and Mac OS X volume using Disk Utility. Click the link below to try this procedure.
* Apple Support Link:
Use Disk Utility to Repair Disk

Should neither of these processes work and you still boot up to a flashing ? folder, then your only recourse is to use your Mac OS X installation disc and perform an Archive and Install procedure.
----------------------------------------------------------------------------

Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} This procedure also allows you to save your applications, files and folders without the old directory interferring with you then accessing those files and creating a new Mac OS X Directory.

Here is the Apple Support Link for that procedure:
Archive and Install



This should get your Powerbook G4 back to normally functionality without any serious data loss.



Regards,


-Mactechtrainer

Feb 02, 2010 | Apple 15" PowerBook G4 Aluminum 1.67 GHz...

1 Answer

The circular timer startup screen NEVER STOPS! Powerbook G4


Hi

Safe Boot is a special way to start up in Mac OS X 10.2 or later when troubleshooting. Safe Mode is the state Mac OS X is in after a Safe Boot. To perform a Safe Boot, hold the SHIFT key as your Mac starts up.

Some features don't work in Safe Mode Safe Mode can be useful for troubleshooting. However, certain Mac OS X features do not work in Safe Mode. For example, you can't use DVD Player, capture video in iMovie, use audio input or output devices, or use an internal or external USB modem. The behavior of some devices such as an AirPort card may vary depending on computer and Mac OS X version.
Safe Mode in Mac OS X 10.5 or later also disables Quartz Extreme (hardware accelerated graphics). Applications that depend on Quartz Extreme will not open, and the Mac OS X menu bar will appear solid even if "Translucent Menu Bar" is enabled in Desktop & Screen Saver preferences.

Aug 03, 2009 | Apple PowerBook G4 Mac Notebook

1 Answer

Leopard os Troubleshooting


Does this happen often or is this the first time? The first thing to do is shutdown the computer, restart it, login and open Console (use Spotlight to find it) and post back with the bottom 15 results. This will tell us A)What happened to the system just before the crash B) Any errors that you may encounter on bootup C) Additional system info to solve the issue.

Sep 04, 2008 | Apple Mac OS X 10.4

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