My Surface Pro 7 can't connect to a second monitor

  • Thread starter Windows Central Question
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Windows Central Question

Device:
SP7 i5/8/128, updated to the latest version of Windows.

Issue:
Can't connect to a second monitor (Acer)

Description:
1. Try connecting to the second monitor via an HDMI/USBc cable, device can't detect second monitor. Same monitor can connect to a SP3 via an HDMI/MINIdp cable without any issue. So the monitor is not the issue

2. Try connecting to the second minoor via the Surface dock, wth an HDMI/MINIdp connection. SP7 fails to detect the second monitor, while the SP3 can with the same set-up

3. The said SP7 can connect to a SP3 wirelessly, making the latter a second monitor. So graphic card driver shouldn't be the issue.
 

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