Acer KA270HK User Manual download pdf (Page 29)

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Troubleshooting

Before sending your LCD monitor for servicing, please check the

troubleshooting list below to see if you can self-diagnose the problem.

HDMI/DVI/DP/Mini-DP mode

Problem LED status Remedy

No picture visible Blue Using the OSD, adjust brightness and

contrast to maximum or reset to their

default settings.

Off Check the power switch.

Check if the power cord is properly

connected to the monitor.

Amber Check if the video signal cable is

properly connected at the back of

monitor.

Check if the computer system is

switched on and in power saving/

standby mode.

DP daisy chain and repeat functions

DisplayPort bandwidth limitations mean that two monitors (at 2560 x 1440 resolution) or four monitors

(at 1920 x 1080 resolution) are supported in a daisy chain. Daisy chain function only works with DP signal.

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Acer KA270HK User Manual Page 29