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When I initiate the above process the internal drive do not appear , only Apple disk image Media and OS X Base System, so I can’t install

No changes

No changes

When I try to read or write to it , the machine would restart

hello guys , the machine am currently using is having where I can not assess the internal drive , although I can erase it and mount it , but when I try to install MacOs , the machine would restart , however I am currently using the machine through an external drive . I tried to install Linux...

I got the following that stand out crazily high GPU DIE = 128 GPU PROXIMITY=128 GPU DIE 2 =129 HEATPIPE 2 =128 HEATPIPE 3 = 128 HEATPIPE INCOMING AIR = 21 HEATPIPE OUTGOING AIR =128

I tried a trackpad and trackpad cable , the webcam is disconnected completely

Hello guys , have an 820-3787 and the board is spotless , it runs slow and the fans are crazy , I have so far replaced the system trackpad cable , but no changes , given the board is so clean , I have checked out page 44 and compared to a working board and it checked out , now I don't even know...

ok checking

already replaced L9080 before , still no changes

There is external image , and its a black screen , but proper backlight shine from the back of the display . I have also tried a known good display

hello guys , have got an 820-2936 with backlight but no image. below are what I get on the display connector . pin 2 and 3 and 4 = 3.3V pin 6 and 7 = 3.3V pin 8, 9 ,11,12,14,15,17 and 18 =1.2V pin 21 and 22 =26.90V pin 24,25,26,27,28 and 29 = 0.8V I have replaced the screen connector but no...

PIN 6 stays high, so I try to remove the keyboard/trackpad connector and tried it without it , and it worked , so I just replaced it. thank you so much for your help. The issue is now resolved.

I had already replaced U5110 before now , but no changes

I did try the board alone on the work desk, SMC_RESET_L signal drops at the same time as SMC_ON/OFF_L when I press the button

Am working on an 820-00165 board that would only power off with the power button , but when I try to power it back on with the same power button , it does not respond , even though SMC_ON/OFF_L as well as PM_PWRBTN_L drops when I press the power button , still nothing happens. I have replaced...

yes ,SMC_ON/OFF_L signal drops upon pressing the power button

Hello guys , have got an 820-00928 that the left fan runs really high ,and does not respond when I press and hold the power button to switch the machine off ( PLEASE NOTE THAT THE MACHINE POWERS UP AND BOOTS OKAY ) PM_PWRBTN_L remains high at 3.3V when I press the power Botton , even when I...

okay , thank you

yes, it charges the battery , it works with battery and charger and also charger only