vertical line appears on MacBook Pro 2019

imch2020 wrote:

Do I need to back up my MacBook before resetting NVRAM and SMC ?

No.

I will add however you should have a backup plan in place. All drives fail in due time. Do not wait for a catastrophic failure before you get the backup religion .

You can read more:

3-2-1 Backup Strategy: three copies of your data, two different methods, and one offsite.

Boot clone https://discussions.apple.com/docs/DOC-10081

How to use Time Machine to back up or restore your Mac: https://support.apple.com/en-us/HT201250

Use DiskUtility Restore feature  https://support.apple.com/guide/disk-utility/restore-a-disk-dskutl14062/mac

         note: >System Preferences>Security & Privacy >Privacy>Full Disk Access

                  unlock the  padlock,  press the + button and add Disk Utility 

imch2020 wrote:

Hi,

There is a thin vertical line suddenly appeared on the screen of my MacBook Pro 2019 . it also changes the color with different programmes like in google it appears red. in photoshop it changed into blue. I tried to make screenshot it didn't appeared in screen shot. so I just added line in screenshot with photoshop to give an idea how and where it appears. I tried to restart my MacBook but it appears again. its really annoying. can someone please let me know the problem ? How can I remove it. is it software problem hardware. ? please help.

https://discussions.apple.com/content/attachment/c58ae043-cd50-4aa9-a768-e0386235cf16

Try resetting NVRAM/PRAM http://support.apple.com/kb/ht1379

Try resetting the SMC https://support.apple.com/en-us/HT201295

Call Customer Support (800) MY–APPLE (800–692–7753)

or call AppleCare Support at 1-800-APLCARE (800-275-2273)