rMB Hardware failure?


hey, wondering if else has had similar issues , if it's hardware issue.
have less week old rmb base model, space grey.
i'm running el capitan public beta 4, have been on public betas day got macbook. has been running great, no issues other occasional crash. past 2 days i've been getting system lockups, occasionally. it's full freeze (can't anything, trackpad has no feedback, have hold power button until turns off) or black screen red lines (attached pic).
today when started getting bad, it's unusable. i'm lucky if minute past login screen, it's happened before apple logo (black screen red lines.). can't use internet recovery make sure it's not beta since same black screen eith red lines thing.
have trouble getting boot up, totally unresponsive anything, have hold power button few times chime. reset smc , nvram well.

i'm convinced it's hardware issue, seems me gpu failing. wanted see if has had issue before head store tomorrow, thanks!

image.jpeg image.jpeg
 

take apple. line on screen evidence of gpu failure. had similar line on 5k imac took in , gpu failure. running beta os.
 


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