Troubleshooting
What should I do if the LCD brightness of my screen changes?
The LCD brightness setting, adjusted with the
Fn
+
F5
/
F6
keys, is temporary and may be restored to the original setting when
your computer returns to Normal mode from Standby or Hibernate mode. To save your preference for the brightness, follow
these steps:
✍
To do the following procedure, you must have administrator rights on your computer.
1
Click
Start
and then
Control Panel
.
2
Click
Performance and Maintenance
.
3
Click
Power Options
.
4
Select the tab for power scheme settings.
5
Select the desired power scheme from the drop-down list.
6
On the
VAIO Power Management
tab, select
No change
for
LCD Brightness
.
7
Click
OK
.
The preference for the LCD brightness adjusted with the
Fn+F5/F6
keys is saved and the brightness of your computer screen
remains unchanged regardless of operating conditions.
What should I do if the external display remains blank?
If you cannot change the display output with the
Fn
+
F7
keys, you need to change the settings for the external display with
VAIO Central
. To change the settings, launch the
VAIO Central
, select the control item for the external display, and then
click to select the check box for changing the options to detect the external display. Then, try the
Fn
+
F7
keys to change the
display output.
