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 Sleep mode. To save your preference for the brightness, follow these steps:
1
Right-click the power status icon on the taskbar and select
Power Options
.
2
Click
Change plan settings
under the current power plan.
3
Click
Change advanced power settings
.
4
Select the
Advanced settings
tab.
5
Double-click
Display
.
6
Adjust the LCD brightness setting in the item for brightness adjustment.
What should I do if the external display remains blank?
You may need to change the settings for the external display with the
VAIO Control Center
. To change the settings, launch
the
VAIO Control Center
, 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, change the display output. See
Selecting Display Modes
for
the detailed procedure.