13
8
Troubleshooting
Many problems can be the result of an incorrect or loose cable
connection, so please make sure that all connections are secure.
Fault
Possible cause
Remedy
LED on front panel
lights up, but LCD
monitor remains dark.
Computer is switched
off.
Turn computer power ON.
LED on front panel
lights up, and LCD
monitor lights up red
and no picture
appears.
VGA cable is not
correctly connected.
Check cable connection
of VGA connection
including pins on
connector.
The display shows only
part of the picture or
the picture is
distorted.
Display resolution is
set to an
incompatible setting.
Resolution should be
set to 1024X768 or
less.
LCD shows indistinct
vertical stripes.
Display H.POSITION is
not set correctly.
LCD shows fine
horizontal stripes.
PHASE adjustment is
not correctly set.
Use the AUTO TUNE
feature.
(see Chapter
5)
Touch cannot be
calibrated under
Windows because the
calibrate
button is
not active.
RS-232 cable
connection may be
incorrect.
Check serial cable
connection and restart
computer. While
booting, check for any
indication of driver
errors. Check touch
screen with diagnostic
program “COMDUMP” (see
3M utilities)
8.1
Additional help
If you have problems with the connection or the installation of the
LM15
monitor, please contact your distributor or direct to the
manufacturer:
Partner Tech Corp.
Tel: (8862) 2918-8500
Fax: (8862) 2915-3405
www.partner.com.tw
When returning the device, the original packing
must
be used;
otherwise the sender will be responsible for any transport damage.
