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Monitor (sometimes) not detected when plugged in any DisplayPort

Problem Formulation: Dual-Monitor setup currently not possible because monitor not detected when plugged in any DP. Symptoms: If monitor A is connected to HDMI and monitor B to any DP slot, only ...
2
votes
0answers
188 views

Monitor not waking up on start

I have two monitors (both are Dell u2515); they are connected to the motherboard by a daisy-chain cable, both DP 1.2, but I cannot get both of my monitors to wake up on start. The mointor connected ...
1
vote
1answer
256 views

Wrong number of lanes via DisplayPort, probably Nvidia GTX 1080 driver issue [closed]

Suddenly one of three monitors (DELL U2414H) stopped working. In nvidia-settings I can see 4 lanes instead of 2. It is the only visible difference between working and not working monitor ...
3
votes
1answer
622 views

Borders of external monitor constrained to “outside” of laptop monitor

I use Linux Mint 18 on a Lenovo ThinkPad T420, i5, 8 GB RAM and 256 GB SSD, and Intel HD Graphics 3000. I have experienced this problem on elementary OS Loki (which is based on Ubuntu 16.04 LTS), and ...
2
votes
1answer
932 views

HP DisplayPort Dual Monitor Setup with Fedora

I have two HDMI monitors coming out of a DisplayPort adapter with dual HDMI outputs. Right now they are cloned, but I want to extend the desktop instead of clone. How do I do that? The output of ...
4
votes
0answers
667 views

Second monitor doesn't wake after kernel update in Fedora Core 20

I have an odd problem with my dual monitor setup. The base system is a Dell 6005 desktop with an ATI Radeon card. My primary monitor is an HP 23", while the second monitor is an HP 20". The primary is ...