Read Before Connecting a Computer (Supported Resolutions)
Check the resolutions supported for PC input signals.
When you connect your TV to a computer, set the computer's video card to one of the standard resolutions listed in
the tables below. The TV will automatically adjust to the resolution you choose. Note that the optimal and
recommended resolutions are 3840 x 2160 @ 60 Hz (UHD models), and 7680 x 4320 @ 60 Hz (QN7**C series or
higher). Choosing a resolution not included in the tables can result in a blank or screen or can turn on only
the receiver of the remote control. Refer to the user manual of your graphics card for compatible resolutions.
The native resolutions are 3840 x 2160 @ 60 Hz (UHD models) and 7680 x 4320 @ 60 Hz (QN7**C series or higher) with the
Input Signal Plus set to On. The native resolution is 3840 x 2160 @ 30 Hz with the Input Signal Plus set to Off.
IBM
Resolution
(Dots x lines)
Display format
Horizontal
frequency
(KHz)
Vertical
frequency
(Hz)
Clock frequency
(MHz)
Polarity
(horizontal /
vertical)
720 x 400 70 Hz 31.469 70.087 28.322 - / +
MAC
Resolution
(Dots x lines)
Display format
Horizontal
frequency
(KHz)
Vertical
frequency
(Hz)
Clock frequency
(MHz)
Polarity
(horizontal /
vertical)
640 x 480 67 Hz 35.000 66.667 30.240 - / -
832 x 624 75 Hz 49.726 74.551 57.284 - / -
1152 x 870 75 Hz 68.681 75.062 100.000 - / -
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