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Hi,
After upgrading my kernel to 4.12.3 my laptop display is not detected by xrandr anymore.
Connecting a HDMI cable works just find and I can see the intel driver and kernel module are working just fine.
But xrandr only detects the HDMI output and not the laptop display (it was called eDP-1 idk if that's relevant or not)
My laptop is a zenbook ux305.
I don't know what else to do.
I might downgrade my kernel for now and try my luck with the next version.
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here's lspci output:
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 520 (rev 07) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device 1000
Flags: bus master, fast devsel, latency 0, IRQ 127
Memory at de000000 (64-bit, non-prefetchable) [size=16M]
Memory at c0000000 (64-bit, prefetchable) [size=256M]
I/O ports at f000 [size=64]
[virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities: [40] Vendor Specific Information: Len=0c <?>
Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
Capabilities: [ac] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [d0] Power Management version 2
Capabilities: [100] Process Address Space ID (PASID)
Capabilities: [200] Address Translation Service (ATS)
Capabilities: [300] Page Request Interface (PRI)
Kernel driver in use: i915
Kernel modules: i915
and xrandr output
Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 32767 x 32767
HDMI1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 530mm x 300mm
1920x1080 60.00*+ 50.00 59.94 59.99
1920x1080i 60.00 50.00 59.94
1600x1200 60.00
1680x1050 59.88
1280x1024 75.02 60.02
1440x900 59.90
1280x960 60.00
1366x768 59.79
1152x864 75.00
1280x720 60.00 50.00 59.94
1024x768 75.03 70.07 60.00
832x624 74.55
800x600 72.19 75.00 60.32 56.25
720x576 50.00
720x480 60.00 59.94
640x480 75.00 72.81 66.67 60.00 59.94
720x400 70.08
VIRTUAL1 disconnected (normal left inverted right x axis y axis
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I have similar problem but reversed, my laptop display works but my external HDMI monitor doesn't. It happen after kernel update to 4.12.3. I enabled my testing repo nd updated to kernel 4.12.4 but same problem.
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I am also facing the reverse problem, external display is not working through HDMI.
I do not see the "VIRTUAL1 disconnected" line in the xrandr output after the upgrade.
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I tried this link and it worked for me.
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Okay, this has turned to a thread hijacking. The OP is concerned with the LVDS display, not the HDMI outputs. When the HDMI first came up, I said nothing because the assessment that it might be the other side of the same coin had merit.
It is starting to seem this is not so. If there are HDMI issues, follow the link above, but do not continue here -- UNLESS -- there is evidence that the phenomena are related.
Thanks.
https://wiki.archlinux.org/index.php/Co … _hijacking
Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
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How to Ask Questions the Smart Way
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