Manual for the DHL32 (F600 series) LCD monitor
7.Common troubleshooting
If problems are not included in the following symptoms described, please contact the manufacturer
for treatment.
1) The power indicator is not lit
1. Turn on the power supply or not
2. Plug the power cord or not.
2) Cannot realize plug and play
1. Whether the PC matches the plug-and-play.
2. Whether the display adapter matches the
plug-and-play.
3. Whether the 15-pin D-type signal line contact is
Adjust the brightness and contrast
4) Image jitter or ripple
There may be electric equipment around it causing
electronic interference.
5) The power indicator is lit, however, the monitor
does not display any image
1. Inspect whether the PC power is turned on.
2. Inspect whether the PC video card has been
inserted properly
3. Inspect whether the monitor signal line has been
connected to the PC properly.
4. Inspect the monitor signal line contact and
identify that pins are not bent.
5. Identify by pressing the Caps Lock key indicator
6) Lack of color (Red, green, blue)
Inspect the monitor signal line and identify that
pins are not bent.
7) The screen is not in the middle or its size is not
proper
Adjust the clock (CLOCK) and phase (PHASE) or
press and hold the hot key
8) The screen displays "The signal line is not
connected"
1. Inspect whether the signal line is connected
correctly; if the contact gets loosened, please
fasten the screws to the contact.
2. Inspect whether the pin of the signal line contact
9) The screen displays "Input is not supported"
Your PC is set to an improper display mode,
please reset your PC to the display mode listed in
8. Product marking and explicit instructions
8.1 Product pollution control marking
Products manufactured by our company have adopted the following electronic
and information product pollution control markings:
8.2 Explicit instructions
1. Our company began to implement the requirements of the European Union's Restriction on
Hazardous Substances (RoHS) Directive in electronic and electric devices and all products in the
future will conform to the indicator requirements of relevant regulations.
2. This device complies with part 15 of the FCC ules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.