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the bottom of my screen now has over an inch of...

the bottom of my screen now has over an inch of grey wavy lines with blank grey above it. It keeps increasing in size making it impossible to view the bottom tool bar or bottom of any window page.

Try an NVRAM reset:

How to reset NVRAM on your Mac - Apple Support

If that doesn't work it may be a graphics card problem, run Apple Diagnostics:

How to use Apple Diagnostics on your Mac - Apple Support

最后更新：2017-10-11 06:11:51

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