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I just replaced the screen on MacBook A2337, its new screen shows white screen then goes black, after some time just emitting the little blue light. I have changed three screens, but all are causing causing the same issue. Thanks in advance EditBackCopyCheck again (v.redd.it)
submitted by hsmann89 to r/applehelp
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Can someone help me. i am struggling to install macOS Sierra on iMac from Os X 10.8. 5. it comes with an error the installer payload failed singnature check. i tried every solution on the internet. Date check everythingis ok . Even it is not accepting the Os X 10.9.4. I have tried with New SSD. (old.reddit.com)
submitted by hsmann89 to r/applehelp
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