Resolved Scrambled graphics/artifacts on startup screen MBA 11" early 2014

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hai.

everytime boot mba 11" (early 2014), scrambled grey screen 2 seconds. boots after , no other problem persists. bought laptop month ago , has been under heavy use ever since.

i'm on mavericks 10.9.5 (downgraded yosemite time ago)

gpu failing or something?

edit: reinstalling os recovery partition fixed it.
 

attached files:

something might wrong doubt it's gpu. that's part of intel cpu , don't know i've ever heard of intel cpu failing.

if it's problem happens 2 seconds during period makes no practical difference, wouldn't worry it.
 


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