suddenly on my MacBook Air there is a 2 inch bar of distortion on the left side of the screen
how can I fix this two inch bar of distortion on the left side of my MacBook Air that suddenly appeared
MacBook Air 13″, macOS 10.12
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Usually those types of issues are a hardware issue with the built-in display assembly which will need to be replaced and repaired by Apple or an Apple Authorized Service Provider. You can confirm the diagnosis by connecting an external display and enable mirroring. If the issue only appears on the laptop's built-in display, then the laptop will need to be repaired.