Acer S7-391 Notebook Service Guide
Page 146
...the components for the system board in loop mode at a time until failing FRU is detected, replace the FRU. Remove or disconnect all attached devices are incorrect, whether a short circuit is suspected, or whether the system is operating correctly. 1. NOTE: NOTE: Verify that all...are supported by a variety of the failure is inoperative. Perform the following devices: Non-Acer devices Printer, mouse, and other external devices Battery pack Hard disk drive PC Cards 4. Remove power from the computer. 2. ...
...the components for the system board in loop mode at a time until failing FRU is detected, replace the FRU. Remove or disconnect all attached devices are incorrect, whether a short circuit is suspected, or whether the system is operating correctly. 1. NOTE: NOTE: Verify that all...are supported by a variety of the failure is inoperative. Perform the following devices: Non-Acer devices Printer, mouse, and other external devices Battery pack Hard disk drive PC Cards 4. Remove power from the computer. 2. ...