I have screwed up a bunch of settings etc. on macbook pro running preinstalled lion. I think I should is to wipe the computer and reinstall to start over again. I will loose nothing of importance except a few passwords. Is this wise? How do I do it?
I have screwed up a bunch of settings, folders, photos, etc on my macbook pro running factory installed Lion. To get everything straightened out, I was thinking I should do a delete and reinstall and just start over like it was a brand new computer. I will only loose some usermane and password info and my history and cookies. There is nothing else on the computer that is not on another device somewhere. Does this sound like the right thing to do? I cannot seem to find ways to correct the problems indivdually, though I am sure they are there. If so, how do I do it? My computer did not come with any type of disc, I do not believe. Thanks in advance for anyone's help!
Yes, that sounds reasonable.
Install or Reinstall Lion/Mountain Lion from Scratch
Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard 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.
Erase the hard drive:
1. Select Disk Utility from the main menu and click on the Continue button.
2. 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.
3. Set the format type to Mac OS Extended (Journaled.) Optionally, click on the Security button
and set the Zero Data option to one-pass. Click on the Erase button and wait until the process
has completed.
4. Quit DU and return to the main menu.
Reinstall Lion: Select Reinstall Lion/Mountain Lion and click on the Install button.
Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.
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Irelandbound wrote:
thank you, I have the adaptors so glad that would work. I just heard adaptors burn out often. So Just thought for my main iMac computer, a plug would be best. I will get one once I move.
Any other suggestions or things I should know about apple products in Ireland. I know there are no Apple stores there.
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I believe you are thinking of a transformer, which you do not need. A transformer converts one voltage to another.
You don't need to do that as the power supply of modern electronics can take almost any worldwide voltage.
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Additionally, I found the adapters cheaper in the UK than I found them in the US. They were available in most supermarket chains. I wasn't in Ireland, so I can't say one way or the other.
If you have something that doesn't have that input power spec, it would require a transformer.
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cashworth wrote:
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I have a slow startup or login, with numerious spinning wheels. Sometimes after a long ti,e I can sign into the computer and sometimes it just fails to startup or login. I have a MacBookPro OS X 10.7.5 from 2011. It became more serious recently as I think I might have let my battery run out I also tried to download the operating system to reinstall it but it allways stops around 1.4 GB out of 1.7 then the whell starts again.
Keep the MBP attached to the power adapter.
First try SMC and PRAM resets:
http://support.apple.com/kb/ht3964
http://support.apple.com/kb/ht1379
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I haven't checked reviews recently but there's a difference between bare drives and drives with enclosures. Western Digital made some of the most reliable drives last time I checked, though the enclosures weren't all that great. It is convenient to get both in one package but I usually buy a highly rated enclosure and then put a highly rated drive in it myself. OWC sells some good enclosures but if they put a so-so drive inside of it then the package is only as good as its weakest component. If you get a package from them, ask them what drive is inside (some vendors have no idea what's inside - went to an Apple Store recently and they couldn't tell me what was inside some of their Apple brand enclosures). My first thought if buying a new drive would be to buy a OWC enclosure with a WD drive, but chek around because I may be out of date.
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How do you reset an admin password on a MacBook Pro running Mountain Lion?
I forgot the admin password on my mac and I tried resetting it using the command+r technique at startup however a lock symbol appeared which requires a password to access.
Does anyone know how to reset the password without using a startup disc?Forgot Your Account Password
For Snow Leopard and earlier
Mac OS X 10.6- If you forget your administrator password
For Lion/Mountain Lion
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.
When the menubar appears select Terminal from the Utilities menu.
Enter resetpassword at the prompt and press RETURN. Follow
instructions in the dialog window that will appear.
Or see Reset a Mac OS X 10.7 Lion Password and
OS X Lion- Apple ID can be used to reset your user account password. -
How can I reset my password on my MacBook Pro running mountain lion
How can I reset my password on my MacBook Pro running mountain lion
https://discussions.apple.com/docs/DOC-4101
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HOW TO COMPLETELY DISABLE PASSWORD IN MACBOOK PRO RUNNING MOUNTAIN LION?
i am quiet annoyed with my mac because everytime i want to isntall something it asks me for password
i have deleted the password, now i dont have to type it anymore but simply have to press enter
but is there any way to completely disable this thing?
its my computer and i want to do whatever i wish and i know what i am doing, is there a way?
this thing is like using windows VISTA !
please help !You may have one of the 2010 models with the 'bad' GPU - see http://support.apple.com/kb/TS4088?viewlocale=en_US&locale=en_US.
If so, it should be fixed for nothing. Read the Knowledge Base article and call support to schedule a time that you can take your machine in and have it diagnosed.
Good luck,
Clinton -
I Have a 2.2 GHz Intel Core i7 macbook pro, I recieved it with OSx 7.2 lion installed, I need to us AHT (apple hardware test) according to the support page that I copy here
Additional Information
Apple Hardware Test is included on the DVDs that are shipped with some Macintosh computers. If the copy on your hard drive becomes unavailable, use the DVDs to run Apple Hardware Test.
For Intel-based Apple computers that shipped with Mac OS X v10.5.4 or earlier, Apple Hardware Test is located on the Mac OS X Install Disc 1 and should be included with your computer.
For Apple computers that shipped with Mac OS X v10.5.5 to 10.6.7, Apple Hardware Test is located on the Applications Install Disc 2 and should be included with your computer.
For some Apple computers that shipped with OS X Lion, if Apple Hardware Test cannot be found on the hard drive, an Internet-based version starts up instead.
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Please help mechrisfrommarion wrote:
Thanks, while it worked on yours it doesn't work on mine, any other ideas?
Are you holding down the "d" key, all by itself, just after the system shuts down for a restart?
And how long did you hold it down?
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If necessary:
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