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The problem
The PC screen does not appear or it
flickers.
A beeping sound is heard when my PC is
booting.
A special key on the keyboard or mouse
is entered automatically.
When the PC screen does not appear or the PC is not recognised, check the
power supply of the PC and then reconnect the HDMI cable between the PC and
product. When the symptom persists, check that the PC is in Sleep mode.
When the set resolution is not matched, the screen may flicker. For the PC
supported resolution, see 'Read Before Connecting a Computer (Supported
Resolutions).'
If a beeping sound is heard when your PC is booting, have your PC serviced.
If the product is connected to a USB Type-C port and then a keyboard or mouse
is connected to the USB port of the product, it may cause malfunction due to
USB packet handling errors of the graphic card.
If any error occurs, it is recommended to contact the graphic card manufacturer
or to connect the keyboard or mouse directly to the computer's motherboard.
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