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My screen goes dull if I double click

I have peculiar problem my screen goes dull if i double click but when used with the control button it works perfectly well .How do i restore the original working,kindly help me thank you

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it works well on the guest protocol but the problem persists on the regular mode i use probably some thing wrong with the software.please guide me


Thank you for the wonderful answer,I need a guide how to proceed if you can kindly guide me with the steps to proceed it will be very helpful.


THat's Mac basics. Start in the guest account and use Apple Help search for "Create User Account for others". Once that is done from System Preferences:Users & Accounts -(the same place you created your new account) at the bottom left pane: Login Options you change which is the Automatic Login. Once restarted and logged in you can use the Migration (but don't choose to move everything!) to migrate data from your old account, OR, you could migrate files by drag & drop from a backup drive.


Thank you very much for the procedures which i will adopt it and use it.Thank you


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That it works ok from a guest account tells me that you have a corruption issue with either a driver (in the mac world they're called extensions) or a preference file... though it could possibly be a font or some other file.

In any event the solution is to create a new master user account. Transfer only your essential files (manually reset your personal preferences and network settings, you don't want to import the corrupt file).

Once everything is working to your satisfaction you can compress and store (make an image or zip file) the old account, or delete it it.

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