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Touch Bar Flashing

Recently my Touch Bar is 'flashing' white light when MacBook is idling.

The time is less than a second and go off again.


I have re-installed MacOS but issue still not solved.


Please advice.

MacBook Pro 15″, macOS 11.4

Posted on Jun 5, 2021 3:48 AM

Reply
Question marked as Top-ranking reply

Posted on Jun 5, 2021 4:32 AM

Hi,

Try to check your MacBook Pro with Apple Diagnostics if it reports TouchBar related error(DFR001).

Use Apple Diagnostics to test your Mac - Apple Support

If it doesn't help, contact Apple Support or make Genius Bar reservation if your local retail Apple Store is open or find opened local Apple Authorized Service Provider to be examined your MacBook Pro with their special tools.

Official Apple Support

Genius Bar Reservation and Apple Support Options - Apple

Apple - Find Locations - Location Selector


5 replies
Question marked as Top-ranking reply

Jun 5, 2021 4:32 AM in response to xuanyi

Hi,

Try to check your MacBook Pro with Apple Diagnostics if it reports TouchBar related error(DFR001).

Use Apple Diagnostics to test your Mac - Apple Support

If it doesn't help, contact Apple Support or make Genius Bar reservation if your local retail Apple Store is open or find opened local Apple Authorized Service Provider to be examined your MacBook Pro with their special tools.

Official Apple Support

Genius Bar Reservation and Apple Support Options - Apple

Apple - Find Locations - Location Selector


Jun 5, 2021 4:05 AM in response to xuanyi

Go step by step and test.


1. Reset PRAM:  Reset NVRAM or PRAM on your Mac - Apple Support

     Settings that can be stored in NVRAM include sound volume, display resolution, startup-disk selection, time zone, 

     and recent kernel panic information. 

     The settings stored in NVRAM  depend on your Mac and the devices that you're using with your Mac.


2. Reset  SMC:   How to reset the SMC of your Mac - Apple Support   Choose the appropriate method.

    Quote:

    Resetting the system management controller (SMC) can resolve certain issues related to power, battery, fans,

    and other features.


3. Startup in Safe mode. https://support.apple.com/en-gb/HT201262

    To leave Safe Mode, choose “Restart” at the bottom.


4 Contact Apple support.

  Click inside the box to choose an option.

  https://getsupport.apple.com/?caller=kbase&PGF=PGF63005&category_id=SC0245&symptom_id=23362

Touch Bar Flashing

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