Hitachi CML190SXWB User Manual - Page 24
Troubleshooting
UPC - 050585658752
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ENGLISH Troubleshooting This LCD Monitor has pre-adjusted using factory to standard VGA timings. Due to the output timing differences among various VGA cards in the market, users may initially experience an unstable or unclear display whenever a new display mode or new VGA card is selected. ATTENTION This LCD Monitor Supports Multiple VGA Modes. Refer to the Standard Timing Table for a listing of modes supported by this LCD Monitor. PROBLEM Picture is unclear and unstable or new colorized The picture is unclear and unstable, please perform the following steps: 1. Enter PC to "Shut Down Windows" status while you're in a MS-Windows environment. 2. Check the screen to see if any black vertical stripes appear. If there are, use the "Clock" function in OSD menu and adjust (by increment or decrement numbers) until those bars disappear. 3. Move to "phase" function in OSD menu again and adjust the monitor screen to its clearest display. 4. Click "No" on "Shut Down Windows" and return to the normal PC operating environment. PROBLEM There is no picture on LCD Monitor If there's no picture on the LCD Monitor, please perform the following steps: 1. Make sure the power indicator on the LCD Monitor is ON, all connections are secured, and the system is running on the correct timing. Refer to Chapter 3 for information on timing. 2. Turn off the LCD Monitor and then turn it back on again. Press the right Function Select Control button once and then press either the left or right Adjustment Control button several times. If there is still no picture, press the other Adjustment Control button several times. 3. If step 2 doesn't work, connect your PC system to another external CRT. If your PC system Functions properly with a CRT Monitor but it does not function with the LCD Monitor, the output timing of the VGA card may be out of the LCD's synchronous range. Please change to an alternative mode listed in the Standard Timing Table or replace the VGA card, and then repeat steps 1 and 2. PROBLEM There is no picture on LCD Monitor If you have chosen an output timing that is outside of the LCD Monitor's synchronous range (Horizontal: 24 ~ 80 KHz and Vertical: 56 ~ 75 Hz), the OSD will display an "Input Signal Out of Range" message. Choose a mode that is supported by the LCD Monitor. If there is no signal input or you get a DPMS power saving signal from the PC, the monitor will display the message "No Input Signal", and then go into the POWER OFF mode. If the signal cable is not connected to the monitor, the monitor will display the message "Check Video Cable", and then go into POWER OFF mode. 23