Partner Tech lm-12 User Manual

 

14 

 

 

Many problems can be the result of an incorrect or loose cable connection, so please make 
sure that all connections are secure. 

 

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 
800x600 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 5.2.7) 

Touch does not work under 
DOS or Windows 3.1 
 
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 touchscreen with 
diagnostic program 
’COMDUMP“ (see Elo utilities) 

 

 

If you have problems with the connection or the installation of the LM12 series 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

 or service@partner.com.tw 

 
When returning the device, the original packing must be used; otherwise the sender will be 
responsible for any transport damage.