Resetting The System - Acer Altos G530 Series User Manual

Resetting the system

Before going through in-depth troubleshooting, attempt first to
perform reset the system using one of the methods below.
To do this
Soft boot reset to clear the system memory and reload the
operating system.
Cold boot reset. Turn the system power off and then on.
This clears system memory, restarts POST, reloads the
operating system and halts power to all peripherals.
123
Press
Ctrl+Alt+Del
Power off/on