User Manual
Table Of Contents
- Copyright
- Disclaimer
- Product support
- Power safety
- Getting started
- Getting to know your monitor
- How to assemble your monitor hardware
- Getting the most from your BenQ monitor
- How to adjust your monitor
- The control panel
- 5-way controller and basic menu operations
- Working with the hot keys
- Hotkey Puck G2 and its basic operations
- Adjusting Display Mode
- Choosing an appropriate color mode
- Working with two video sources (KVM Switch)
- Video source selection in PIP mode
- Video source selection in PBP mode
- Connecting multiple monitors (Thunderbolt™ 3 daisy chaining)(PD2720U / PD3220U)
- Working with HDR technology
- Working with two color settings on the same image (DualView)
- Navigating the main menu
- Troubleshooting
77 Troubleshooting
Thunderbolt™ 3 connection (models with Thunderbolt™ 3 ports)
KVM Switch
USB-C™ connection (models with USB-C™ ports)
Need more help?
If your problems remain after checking this manual, please contact your place of purchase or
visit the local website from www.BenQ.com for more support and local customer service.
When single monitor is connected, no video or audio output from the laptop with
Thunderbolt™ 3 connection.
Check the cable connections and menu settings in the following order.
• Check if an appropriate cable has been connected to the monitor and the laptop properly.
See Connectivity of Thunderbolt™ 3 port on your monitor (PD2720U / PD3220U only) on
page 18 for more information.
• Check if the input source has been selected to Thunderbolt 3 from Input > Signal Input.
• Check if it is either Thunderbolt™ 3 port or USB-C™ port used on the computer for
connection. If a USB-C™ port is used, make sure the port supports video signal
transmission.
No response after selecting KVM Switch > USB Upstream.
Check the cable connections and menu settings in the following order.
• Check if an appropriate cable has been connected to the monitor and the second video
source properly. See Connect the PC video cable. on page 24 for more information.
• Check if the input source has been selected to the second video input from KVM Switch >
Video Input.
No video or audio output from the laptop with USB-C™ connection.
Check the cable connections and menu settings in the following order.
• Check if the USB-C™ cable has been connected to the monitor and the laptop properly. See
Connect the PC video cable. on page 24 for more information.
• Check if the input source has been selected to USB-C on Input > Signal Input.