![]() ![]() If the system fails to power on, first reset the SMC. To power on, the computer’s logic board requires “trickle” power. To press the DIAG_LED button, use a nylon probe tool. To read LEDs 1, 6, 7, and 8, you must press the DIAG_LED button, which is adjacent to the LEDs (white button to the right). ![]() LEDs 2, 3, 4, and 5 are normally off and will automatically illuminate if an error occurs. You can view these LEDs by removing the computer’s side access panel and looking through the memory cage to the logic board below. The LEDs are located toward the rear of the logic board, under the memory cage, next to PCI card slot #1. The Mac Pro logic board includes a set of LEDs to help service providers troubleshoot theĬomputer.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |