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A1286 (820-2915-B) not respond to power key https://vlab.su/viewtopic.php?f=51&t=61445 |
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R EZ A [ 18 май 2017, 14:09 ] | |
Заголовок сообщения: | A1286 (820-2915-B) not respond to power key |
hello masters i have a macbook here that when i plug ac,led light turnes to green and use 0.02A PP3V3_S5=3.3V PP5V_S3=0V i flash bios but no change do you have any idea whats problem? thanks |
R EZ A [ 20 май 2017, 13:14 ] | |
Заголовок сообщения: | Re: A1286 (820-2915-B) not respond to power key |
thip laptop also has battery problem i find SMC_BATLOW_L is low ,so PM_SUS_EN is also low i add R7917 for laptop turn on with low battery was it true? now i have PM_RSMRST_L = 3.3V and PM_CLK32K_SUSCLK_R =32KHz when i press pwrbtn ,PM_PWRBTN_L change how can i find that PCH work or not? |
pyry [ 25 май 2017, 20:43 ] | |
Заголовок сообщения: | Re: A1286 (820-2915-B) not respond to power key |
I think your problem is that you have open resistance R5040 |
dupahuj [ 29 авг 2017, 02:13 ] | |
Заголовок сообщения: | Re: A1286 (820-2915-B) not respond to power key |
1 Did You connect correct 85W power adapter? 2 Did You try to start without SMC test mode (safe mode) ? (press and hold power button, and keep hold power button to ~7 sec, and release).? |
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