Toshiba Satellite A55 - Manual (Page 54)

54 If something goes wrong
6 Save the file and refer to it when you contact the software
manufacturer.
Problems when you turn on the computer
These problems may occur when you turn on the power.
The computer will not start.
Make sure you attached the AC adapter and power cord/cable
properly or installed a charged battery.
Press and hold the power switch for at least 10 seconds.
If you are using the AC adapter, check that the wall outlet is
working by plugging in another device, such as a lamp.
Verify that the computer is on by looking at the on/off
indicator. If the indicator is glowing, the computer is on.
If you are using an AC adapter, verify that the computer is
receiving power from the external power source by looking at
the AC power light. If the indicator is glowing, the computer
is connected to a live external power source.
The computer starts, but when you press a key, nothing
happens.
Verify that the active program accepts text input. Try clicking
your mouse on an area where you can type text, and try
typing again.
Your computer may be in Standby mode and have a software
or resource conflict. When this happens turning the power on
returns you to the problem instead of restarting the system.
To clear the condition, press
Ctrl
,
Alt
, and
Del
simultaneously.
Clearing the condition may get the computer running, but it
will not solve a resource conflict. Read the documentation
that came with the conflicting device and “Resolving a
hardware conflict” in your electronic user’s guide.
The keyboard produces unexpected characters.
A keypad overlay may be on. If the numlock light or cursor
control mode light is on, press
Fn
and
F10
simultaneously to
turn off the cursor control mode light or
Fn
and
F11
simultaneously to turn off the numlock light.
If the problem occurs when both the keypad overlays are off,
make sure the software you are using is not remapping the