Most external displays have an on-screen menu that adjusts the port version used by the display. Solution 3: Check the port version setting on the external display Note: Common video input settings include VGA, DVI, DisplayPort, HDMI, Input, and Source. For example, if you’re using a DisplayPort connection to an external display, that display must be set to recognize DisplayPort as the video input signal.

If you’ve connected your Surface to an external display, make sure your external display is set to the current port. Solution 2: Check the video input settings Solution 8: Try the adapter on a different external displayįor another possible quick solution, unplug your monitor from the power outlet and then plug it back in. Solution 7: Change the supported resolution and refresh rates Solution 4: Duplicate or extend your display on the external screen Solution 1: Power reset your external display If you have problems connecting your Surface to a TV, monitor, or projector, try these solutions to identify the issue. Open Windows Update Troubleshooting solutions To find out how, see Install Surface and Windows updates. This reduces the throughput requirement to 8 Gb/s per display to fall within the 20 Gb/s bandwidth limit of the port.Often, downloading and installing the latest updates for Windows and your Surface will fix many issues. The displays 30 Hz refresh rate in the display On-Screen Display (OSD) setup must be enabled. If you desire to use dual 4 K x 2 K displays configured using MultiStream Technology (MST) (also known as daisy-chaining) option.

Thunderbolt 2 can support a single 4 K x 2 K display at 60 Hz refresh rate.

Standard 4 K x 2 K also known as UHD video requires at least 15 Gb/s video throughput per display. Thunderbolt 2 allows for channel aggregation which allows you to combine the two 10 Gb/s channels into one 20 Gb/s channel.Ĭonfiguring Dual 4 K x 2 K Displays on a Thunderbolt 2 Port Thunderbolt 2 ports are backwards compatible with Thunderbolt 1 ports, and physically the ports look the same. Thunderbolt combines the PCI Express (PCIe) and DisplayPort (DP) into one serial signal, and provides DC power all in one cable. Thunderbolt 1 and 2 cables use the same connector as a Mini DisplayPort (MDP). This article provides the information about 'Configuring Dual 4 K x 2 K Ultra High Definition (UHD) displays on a single Thunderbolt 2 port.'

Thunderbolt 2 to hdmi 4k