Acer AR160 F1 - Manual (Page 102)

5 System troubleshooting 86
Resetting the system
Before going through in-depth troubleshooting, attempt first to reset
the system using one of the methods below.
Initial system startup problems
Problems that occur at initial system startup are usually caused by an
incorrect installation or configuration. Hardware failure is a less
frequent cause. If the problem you are experiencing is with a specific
software application, see "There is problem with the application
software" on page 93.
To do this Press
Soft boot reset to clear the system memory and
reload the operating system. <Ctrl>+<Alt>+<Del>
Cold boot reset. Turn the system power off and then
on. This clears system memory, restarts POST, reloads
the OS and halts power to all peripherals. Power button