Erstmal danke für die Antwort.
Wohl kaum? Ich habe mir eine Radeon R7 250 gekauft. Hier sind die weiteren Angaben:
$ lspci -nnk | grep "VGA\|'Kern'\|3D\|Display" -A2
02:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Venus LE [Radeon HD 8830M] [1002:682b] (rev 87)
Subsystem: ASUSTeK Computer Inc. Venus LE [Radeon HD 8830M] [1043:7250]
Kernel driver in use: radeon
Falls nötig:
$ xrandr --prop
Screen 0: minimum 320 x 200, current 2560 x 1440, maximum 16384 x 16384
DisplayPort-0 connected primary 2560x1440+0+0 (normal left inverted right x axis y axis) 553mm x 311mm
EDID:
00ffffffffffff0010ac6ed04c343731
041b0104a5371f783e4455a9554d9d26
0f5054a54b00b300d100714fa9408180
778001010101565e00a0a0a029503020
350029372100001a000000ff00395832
565937314f3137344c0a000000fc0044
454c4c205532353135480a20000000fd
0038561e711e010a20202020202001c0
02031cf14f1005040302071601141f12
132021222309070783010000023a8018
71382d40582c450029372100001e011d
8018711c1620582c250029372100009e
011d007251d01e206e28550029372100
001e8c0ad08a20e02d10103e96002937
21000018483f00ca808030401a501300
29372100001e00000000000000000057
TearFree: auto
supported: off, on, auto
output_csc: bypass
supported: bypass, tvrgb, ycbcr601, ycbcr709
audio: auto
supported: off, on, auto
scaling mode: None
supported: None, Full, Center, Full aspect
dither: off
supported: off, on
underscan vborder: 0
range: (0, 128)
underscan hborder: 0
range: (0, 128)
underscan: off
supported: off, on, auto
coherent: 1
range: (0, 1)
2560x1440 59.95*+
2048x1152 60.00
1920x1200 59.88
1920x1080 60.00 50.00 59.94 30.00 25.00 24.00 29.97 23.98
1920x1080i 60.00 50.00 59.94
1600x1200 60.00
1680x1050 59.95
1280x1024 75.02 60.02
1200x960 59.99
1152x864 75.00
1280x720 60.00 50.00 59.94
1024x768 75.03 60.00
800x600 75.00 60.32
720x576 50.00
720x576i 50.00
720x480 60.00 59.94
720x480i 60.00 59.94
640x480 75.00 60.00 59.94
720x400 70.08
HDMI-0 disconnected (normal left inverted right x axis y axis)
TearFree: auto
supported: off, on, auto
output_csc: bypass
supported: bypass, tvrgb, ycbcr601, ycbcr709
audio: auto
supported: off, on, auto
scaling mode: None
supported: None, Full, Center, Full aspect
dither: off
supported: off, on
underscan vborder: 0
range: (0, 128)
underscan hborder: 0
range: (0, 128)
underscan: off
supported: off, on, auto
coherent: 1
range: (0, 1)
DVI-0 disconnected (normal left inverted right x axis y axis)
TearFree: auto
supported: off, on, auto
output_csc: bypass
supported: bypass, tvrgb, ycbcr601, ycbcr709
load detection: 1
range: (0, 1)
audio: auto
supported: off, on, auto
scaling mode: None
supported: None, Full, Center, Full aspect
dither: off
supported: off, on
underscan vborder: 0
range: (0, 128)
underscan hborder: 0
range: (0, 128)
underscan: off
supported: off, on, auto
coherent: 1
range: (0, 1)
Kannst du etwas damit anfangen? Das Problem kam urplötzlich auf. Mit der Live DVD kann ich auf die Festplatte zugreifen. Das Home-Verzeichnis ist verschlüsselt. Muss mir den entsprechenden Artikel noch durchlesen. Falls du weitere Infos brauchst, kannst du Bescheid geben.