Acer Aspire S5-391 Service Manual page 93

Run Tool with Disabled UAC
Press the power button to start up the system.
1.
Click the "Start" menu.
2.
Start menu
Click the user account icon.
3.
4-19
Figure 4-22. Start Up System
Figure 4-23. Click "Start"
User account
Figure 4-24. Click the User Account Icon
Click Power button
Troubleshooting