Acer Aspire S5-391 Service Manual page 65

Press and hold <Fn> and <Esc> and plug the AC adapter.
3.
Figure 2-43. Hold Down <Fn> + <Esc> and Plug the AC Adapter
As <Fn> and <Esc> keys are pressed, press the Power button to turn on the target machine.
4.
Wait for 3~5 seconds to make sure the system fan is in full speed before releasing <Fn> and
<Esc> keys.
Wait for 3 ~ 5 minutes for the system to complete Crisis mode.
5.
NOTE:
If the waiting time takes more than 5 minutes, the system recovery might have failed. Please
check the following:
BIOS filename (i.e. Q3ZMCX64.fd) and BIOS ROM size are correct on the USB flash
•
Crisis disk.
Pull out the AC adapter to reset the embedded controller status.
•
Repeat steps 1~5.
•
System Utilities
A
B
Plug in!
Power On!
Figure 2-44. Press the Power Button
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