xrabdr 增加分辨率失败---求助
Tofloor
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犇牛
deepin
2018-05-24 00:18
Author
显示器是 dell 1913,支持1440*900,但无法设置,手动设置也不行,操作如下:

jia@jia-ZT:~/Desktop$ xrandr
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 640 x 480, current 1024 x 768, maximum 1024 x 768
default connected 1024x768+0+0 0mm x 0mm
   1024x768      61.00*
   800x600       61.00  
   640x480       60.00  
jia@jia-ZT:~/Desktop$ gtf 1440 900 60

  # 1440x900 @ 60.00 Hz (GTF) hsync: 55.92 kHz; pclk: 106.47 MHz
  Modeline "1440x900_60.00"  106.47  1440 1520 1672 1904  900 901 904 932  -HSync +Vsync

jia@jia-ZT:~/Desktop$ xrandr --newmode "1440x900_60.00"  106.47  1440 1520 1672 1904  900 901 904 932  -HSync +Vsync
xrandr: Failed to get size of gamma for output default
jia@jia-ZT:~/Desktop$


请大神帮忙!  谢谢

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犇牛
deepin
2018-05-25 00:00
#1
xrandr: Failed to get size of gamma for output default   这个是什么问题呢?     求指教
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犇牛
deepin
2018-05-25 00:41
#2
sudo dmesg | grep -i 'VGA'

[    0.000000] Console: colour VGA+ 80x25
[    0.399744] vgaarb: loaded
[    0.399945] vgaarb: setting as boot device: PCI:0000:00:02.0
[    0.399946] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
[    4.466795] bbswitch: cannot find ACPI handle for VGA device 0000:00:02.0
[    4.466801] bbswitch: No discrete VGA device found



这个是什么
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152******14
deepin
2018-05-25 00:43
#3
系统没有正确识别显卡。也就是说兼容不好。
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yanbowen
deepin
Community Developer
2018-05-25 01:32
#4
https://bbs.deepin.org/post/156889
sudo dmesg | grep -i 'VGA'

[    0.000000] Console: colour VGA+ 80x25

什么显卡?
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犇牛
deepin
2018-05-26 00:22
#5
本帖最后由 jiao 于 2018-5-25 16:38 编辑

机器   HP 8180  显卡是 Intel HD Graphics
无法使用最下面的选项
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犇牛
deepin
2018-05-26 00:29
#6
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 640 x 480, current 1024 x 768, maximum 1024 x 768
default connected 1024x768+0+0 0mm x 0mm
   1024x768      61.00*
   800x600       61.00  
   640x480       60.00  
这里是看不到显示器么?     比如应该是“VGA”
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moolee
deepin
2018-05-26 00:44
#7
jiao 发表于 2018-5-24 16:00
xrandr: Failed to get size of gamma for output default   这个是什么问题呢?     求指教

需要安装驱动 我也是这个问题  ubuntu上可以解决 但是deepin上我没弄好
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犇牛
deepin
2018-05-26 01:02
#8
https://bbs.deepin.org/post/156889
需要安装驱动 我也是这个问题  ubuntu上可以解决 但是deepin上我没弄好

有经验么
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152******14
deepin
2018-05-26 01:07
#9
深度的xorg版本与  内核 版本  各种依赖版本太超前   。驱动跟不上  。
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yanbowen
deepin
Community Developer
2018-05-26 01:30
#10
https://bbs.deepin.org/post/156889
机器   HP 8180  显卡是 Intel HD Graphics
无法使用最下面的选项

用深度用户反馈上传下日志
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犇牛
deepin
2018-05-28 23:20
#11
https://bbs.deepin.org/post/156889
用深度用户反馈上传下日志

ok
我试试。看看有解决么
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tinglin
deepin
2018-05-29 03:33
#12
https://bbs.deepin.org/post/156889
ok
我试试。看看有解决么

关注,我也遇到这个分辨率无法设置的问题,后来改回15.3了,看看楼主这个问题能否解决。
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