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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1763202
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the
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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1763202
Title:
Lenovo X1 Carbon 6th Gen. HDMI not working for external monitor
Status in linux package in Ubuntu:
Incomplete
Bug description:
I have an X1 Carbon 6th Gen. (Intel Core i7 8th Gen, 16 GB RAM, 512 GB
SSD).
When I try to attach an external monitor via an HDMI cable the monitor
receives no signal. Similarly, when I use the Thunderbold dock and
attach two monitors (one via HDMI, one with DisplayPort) only the
monitor attached with DisplayPort works; the monitor attached with
HDMI stays black.
This made me think if this is really a bug in the software. I saw
people describing this issue with Windows installed; the solution was
to hit a special key combination. Unfortunately, the multimedia keys
all not all functional, specifically the F7 key, which seems to meant
for "activate external monitor", has no function.
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