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Mid 2010 Model A1278 / 2.4 or 2.66 GHz Core 2 Duo processor

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Wouldnt boot (white screen), Now wont accept password

I previously had the white screen with a caveat, it would cycle / flash the white screen, then my desktop, and back to the white screen, yet would psudo-boot and only display the white screen. Psudo-boot means when it would flash back and forth between the white/desktop, I would get a notification on another computer from TeamViewer that my MAC was online....

I was unable to log into my Mac via the other computer thru TeamViewer...

Ive cleared the PRAM, run ALL the options on the Disc Utility (verify/repair etc), reinstalled the OS.

Now, I get to my log on, type in my password, it appears to accept it, yet returns to the log on.

When I enter a password I know is incorrect, I get the 'wiggle' to tell me its wrong.

Now - During the DIsc Utility 'verify permissions' - I get the following message;

" SUID File "System/Library/CoreS...." has been modified and will not be repaird

~So, I am at the log on, but the compuetr seems to reject my password.

Any suggestions before I take a hammer to this?

thanks in advance

Answer this question I have this problem too

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Additionally...I can add and/or remove the firmware password

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Additionally - Ive even reset the logon and keychain password.

When I hit enter at the logon screen, a white screen displays for about 6 seconds, a small gray wheel appears, then it returns to the logon screen.

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2 Answers

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Do you have an external USB boot source?

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I do -

I needed to use a program only native to this MAC so,

I logged in as root, created a new user with Admin Privileges, with access to my previous user account, and am working with the MAC now as a stop-gap measure till I get some deadline breathing room and can $h!tcan this, wipe it and start from scratch and have bootcamp on here.

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Hello,

1/ Try to enter your password in AZERTY ou Qwerty

2/ Remove only one ram chip and retry again

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Sorry - Did not work

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Will App will be eternally grateful.
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