Table 5-1. Troubleshooting Chart (continued)
Should you require assistance with a suspected hardware fault, please contact the support line below. You will require
your unit serial number. The operator will attempt to diagnose any fault and will take action as appropriate.
UK Warranty Support
Tel. 08450 724 999
Email.
services@steljes.co.uk
Symptom Possible Cause(s) Solution
Image appears “washed out
” and
/ or dark areas appear too bright.
Brightness is set too high. Decrease the brightness setting.
Image is too dark.
Brightness and / or Backlight are set too
low.
Increase the brightness and / or
backlight settings.
Images from an HDMI source do
not display.
The resolution and frequency of the
video card in the computer are not
compatible with the display.
HDMI cable from source to display is
either defective or too long.
Select a compatible resolution and
vertical frequency (refer to
Timings on page 67).
Try a known-good and / or shorter
HDMI cable.
Computer images do not display
correctly.
The resolution and frequency of the
video card in the computer are not
compatible with the display
Clock and Phase settings need
adjustment.
Select a compatible resolution and
vertical frequency (refer to
Timings on page 67).
Adjust Clocks and Phase settings
(refer to Setup Settings page 45).
Touch screen doesn’t work.
Multi-touch controller host computer is
not connected correctly.
Host computer hardware or OS
incompatibility.
See Figure 3-7.
Refer to Enabling the Touch Screen
on page 33.
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