Acer Altos G540 M2 - Manual (Page 44)

2 System setup 34
2 Press the power button.
The system starts up and displays a welcome message on the
monitor.
After that, a series of power-on self-test (POST) messages
appears. The POST messages indicate if the system is running well
or not.
Note: If the system does not turn on or boot after pressing the
power button, go to the next section for the possible causes of the
boot failure.
Aside from the POST messages, you can determine if the system is in
good condition by checking if the following occurred.
• The power status indicator on the front panel lights up green.
• The Num Lock, Caps Lock, and Scroll Lock indicators on the
keyboard light up.
Power-on problems
If the system fails to boot after you have applied power, check the
following factors that might have caused the boot failure.
• The external power cord may be loosely connected.
Check the power cord connection from the power outlet to the
power cord socket on the rear panel. Make sure that the cord is