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현재 버전 게시자: mayer ,

텍스트:

See if it will boot in Recovery Mode by holding down the option key on start up. This sounds like a failing GPU to me.
 
UPDATE 6/8/19
 
Your machine shipped with a system installation DVD, insert it, and boot up holding down the C key.

현황:

open

원문 게시자: mayer ,

텍스트:

See if it will boot in Recovery Mode by holding down the option key on start up.  This sounds like a failing GPU to me.

현황:

open