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820-3024 extrem slow and fan runs on highspeed
I have again a strange Macbook Air 11", it turns on but is extremly slow and the fan is going up to max. speed after a 5-10seconds. No visible liquid damage, tried another battery, harddiscs, all resets and also exchanged the logicboard into a different macbook air. Always same behaviour. On...- boxer
- Thread
- Replies: 7
- Forum: Macbook Logic Board Repair Questions
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820-2915 Chimes but no Video only blackscreen
Hello! I got an 15" 2011 Hi Res, 820-2915 which chimes and boots into OSX but there is no video, just a black screen. Also on external I get no video. What I did: -PRAM & SMC reset (successful) -tried another harddisc -checked LVDS connector, supplies are there but LCD_PWR_EN does not enable...- boxer
- Thread
- Replies: 13
- Forum: Macbook Logic Board Repair Questions
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Macbook Air 11" A1370 820-3024 only white screen
Hello! I have an Macbook Air 11", A1370 820-3024 which turns on, fan is spinning, it chimes but only has an white screen! I already checked all power rails => all are ok The LVDS connector + supply is also ok. Also no Video on external thunderbolt SMC Reset etc, trying to boot from external USB...- boxer
- Thread
- Replies: 10
- Forum: Macbook Logic Board Repair Questions