Acer Aspire S5-391 Acer S5-391 Notebook Service Guide - Page 88

Servo Motor Troubleshooting To calibrate the motor, perform the following: Two selections to run Motor initialization Run as administrator (see Run Tool as Administrator on page 4-15) Run disable UAC (see Run Tool with Disabled UAC on page 4-19) Motor calibration "PASS/FAIL" Figure 4-10. Motor Calibration Flow When to Use the Tool for Motor Calibration? • Either the Left Motor or Right Motor, or both, are removed • The Mainboard is removed • The Motor board is removed Left Side Motor Right Side Motor Mainboard Motor Board Figure 4-11. Requires Motor Calibration Tool Troubleshooting 4-14