danyasalinas Said:
"restore macbook air: My computer is not working properly. Google chrome doesn´t work, switch control keeps enabling and disabling by itself, PDF usually freeze, keyboard doesn´t work properly. I want to restore the computer and see if it fixes the problem, but I can´t find how to restore it."
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Two Thoughts:
A. Restore in Safe Mode:
Boot in Safe Mode. In Safe Mode, only necessary items load (i.e. the caches), certain preferences are set aside, and damaged system files are intentionally fixed. Once booted in Safe Mode, restore your Mac from a Time Machine Backup you created. Go Here: Back up your Mac with Time Machine - Apple Support
or...
B. Create a New User:
If Safe Mode does not work, then try creating new administrator user, seeing if your an restore in that user.