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TroubleshootingSymptom Charts/Power - 6
Power
Screen is blank; | 1 | Simultaneously press <Command> <Control> <Power On> keys |
computer does not | 2 | to reset computer. |
respond | Connect power adapter and reboot computer in | |
| 3 | Try |
| 4 | Check all logic board cable connections. |
| 5 | Replace logic board. |
Note: When replacing the logic board, check that the EMI clips are securely attached to the CPU stiffener. The “CPU Stiffener” topic in Take Apart helps you locate and identify the two EMI clips. If both clips are not secure, replace the CPU stiffener.