73
T
roubleshooting
Question
Measure
Nothing is displayed
on the screen.
If the power indicator is lit, the display is turned off.
Press a key with no independent effect, such as
or
. Do not use a key
that may make a selection (
,
(Space),
,
,
, numeric keys,
and so on).
The display destination may be set to the external display.
Try changing the display destination by pressing
+
or
+
.
If you want to switch the display destination repeatedly by pressing
+
or
+
, make sure that the display destination has switched completely each
time before pressing
+
or
+
again.
The screen may become darker.
Press
+
to make the screen brighter. (
page 25)
If the power indicator
is blinking or is not lit, the sleep or hibernation is
entered.
Slide the power switch.
If an additional RAM module has been inserted or changed, RAM module
may be inserted correctly.
Power off your computer, check that the RAM module is the recommended
module, and insert it the module correctly.
If the problem persists, contact your technical support office.
DFQW5600ZA̲BasicManual̲CF-S10.indb 73
DFQW5600ZA̲BasicManual̲CF-S10.indb 73
2011/11/15 14:08:37
2011/11/15 14:08:37