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Created attachment 1217752 [details] Xorg log Description of problem: When I plug in an HDMI cable, there's no signal. Also, if the VGA cable is also present, it's also lost and only thing I can do is to ssh the machine and pull the logs. Only way to recover is unplugging the HDMI cable and restarting the computer. If the computer boots with the HDMI cable and the "quiet" option removed in grub, then there's video signal until gdm starts. Afterwards, I can ping and ssh the machine so everything seems fine but X. Version-Release number of selected component (if applicable): X.Org X Server 1.18.4 Release Date: 2016-07-19 [ 79.492] X Protocol Version 11, Revision 0 [ 79.492] Build Operating System: 4.6.4-301.fc24.x86_64 [ 79.492] Current Operating System: Linux localhost.localdomain 4.7.9-200.fc24.x86_64 #1 SMP Thu Oct 20 14:26:16 UTC 2016 x86_64 How reproducible: Always Steps to Reproduce: 1. Plug the HDMI cable Actual results: Video signal is lost and only way to recover is to unplug the HDMI cable and restart computer with VGA Expected results: Video signal on screen Additional info: !!DMI Information !!--------------- Manufacturer: HP-Pavilion Product Name: KZ687AA-ABE m9351.es Product Version: Firmware Version: 5.43 !!Kernel Information !!------------------ Kernel release: 4.7.9-200.fc24.x86_64 Operating System: GNU/Linux Architecture: x86_64 Processor: x86_64 SMP Enabled: Yes Tested with different Samsung monitors (SyncMaster B2230HD). I use this monitor with a Lenovo laptop (different hardware) running Fedora 24 with no issues whatsoever
Created attachment 1217753 [details] su -c 'lspci -nn' output
Created attachment 1217754 [details] dmesg / journalctl output
Tried installing xorg-x11-drv-nvidia-340xx drivers with the same result
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Fedora 24 changed to end-of-life (EOL) status on 2017-08-08. Fedora 24 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.