我尝试使用不同的方法设置外接显示器分辨率，但都无济于事。目前我使用的是 1920x1080p 内置屏幕，现在我已连接 2560x1440p 显示器（型号：L27q-10）。
默认情况下，外接显示器的分辨率设置为 1920x1200，无法在系统设置中将其更改为全高清。列表中也没有 2560x1440，所以我使用了互联网上的一些指南。以下是日志：
[17:09:26] jakub@BMO:[~]: xrandr -q
Screen 0: minimum 8 x 8, current 3840 x 1200, maximum 16384 x 16384
eDP-1-1 connected primary 1920x1080+1920+119 344mm x 194mm
1920x1080 60.10*+ 59.93
1680x1050 59.95 59.88
1600x1024 60.17
1400x1050 59.98
1280x1024 60.02
1440x900 59.89
1280x960 60.00
1360x768 59.80 59.96
1152x864 60.00
1024x768 60.04 60.00
960x720 60.00
928x696 60.05
896x672 60.01
960x600 60.00
960x540 59.99
800x600 60.00 60.32 56.25
840x525 60.01 59.88
800x512 60.17
700x525 59.98
640x512 60.02
720x450 59.89
640x480 60.00 59.94
680x384 59.80 59.96
576x432 60.06
512x384 60.00
400x300 60.32 56.34
320x240 60.05
DP-1-1 disconnected
HDMI-1-1 connected 1920x1200+0+0 597mm x 336mm
1920x1200 59.95*
1920x1080 60.00 60.00 50.00 59.94
1920x1080i 60.00 50.00 59.94
1680x1050 59.88
1280x1024 75.02 60.02
1440x900 59.90
1280x720 60.00 50.00 59.94
1024x768 75.03 70.07 60.00
832x624 74.55
800x600 72.19 75.00 60.32
720x576 50.00
720x480 60.00 59.94
640x480 75.00 72.81 66.67 60.00 59.94
720x400 70.08
DP-1-2 disconnected
[17:09:28] jakub@BMO:[~]: cvt 2560 1440
# 2560x1440 59.96 Hz (CVT 3.69M9) hsync: 89.52 kHz; pclk: 312.25 MHz
Modeline "2560x1440_60.00" 312.25 2560 2752 3024 3488 1440 1443 1448 1493 -hsync +vsync
[17:09:55] jakub@BMO:[~]: xrandr --newmode 2560x1440_60.00 312.25 2560 2752 3024 3488 1440 1443 1448 1493 -hsync +vsync
[17:10:35] jakub@BMO:[~]: xrandr --addmode HDMI-1-1 2560x1440_60.00
[17:11:05] jakub@BMO:[~]: xrandr --output HDMI-1-1 --mode 2560x1440_60.00
xrandr: Configure crtc 1 failed
[17:13:11] jakub@BMO:[~]: xrandr --output HDMI-1-1 --mode 2560x1440_60.00 --verbose
screen 0: 3840x1440 1017x381 mm 95.85dpi
crtc 1: 2560x1440_60.00 59.96 +0+0 "HDMI-1-1"
xrandr: Configure crtc 1 failed
crtc 0: disable
crtc 1: disable
crtc 2: disable
screen 0: revert
crtc 0: revert
crtc 1: revert
crtc 2: revert
系统显示它正在使用英特尔驱动程序，而 Nvidia 驱动程序已被禁用。我也尝试过将 nouveau 列入黑名单，但没有任何进展。是否可以通过某种方式将分辨率更改为 2560x1440？