Palm TREO750, User Manual

Page: 273 / 350

T R O U B L E S H O O T I N G
S C R E E N 265
13
CH
AP
T
E
R
Screen
The screen appears blank
1 If you’re on a call, when the time period
specified in Backlight Settings expires,
the screen dims; one minute later, the
screen automatically turns off.
Press any key except Power/End to
wake up the screen. Pressing Power/
End hangs up the call.
2 Look closely at the screen. If you can
see a dim image, try adjusting the
screen brightness (see Adjusting the
brightness).
3 If that doesn’t work, perform a soft
reset (see Performing a soft reset).
4 If that doesn’t work, connect your
smartphone to the AC charger (see
Charging the battery) and perform a soft
reset again.
5 If that doesn’t work, perform a hard
reset (see Performing a hard reset).
The screen doesn’t respond accurately to
taps or activates wrong features
1 Make sure there is no debris trapped
under the edges of the screen.
2 Press Start and select Settings .
3 Select the System tab, and then select
Screen .
4 On the General tab, select Align
Screen .
5 Tap the screen where indicated.
6 Press OK .
Network connection
Signal strength is weak
1 If you’re standing, move about 3 meters
(10 feet) in any direction.
2 If you’re in a building, move near a
window. Open any metal blinds.
3 If you’re in a building, move outdoors or
to a more open area.
4 If you’re outdoors, move away from
large buildings, trees, or electrical wires.
TIP
If you are using a third-party application,
make sure that the application supports
240x240 screen resolution.