我的电脑是1366*768noches 写了:Ubuntu 9.10, x64 系统。为了使用compiz桌面特效,安装了Nvidia的限制驱动,不过启动画面splash的分辨率由1440*900降低成640*480了。网上看了好多帖子,包括 jorux 的帖子 “解决升级显卡驱动后开机动画低分辨率问题”,一直没有解决问题。
今天终于在英文论坛上找到一个切实可行的办法,并经本人试验,在1440*900的分辨率下确实有效。特与大家分享:
原文地址:http://idyllictux.wordpress.com/2010/04 ... ed-driver/
现简述解决过程:
1. 确认grub和plymouth的系统配置文件是原始状态,没有应用过其它的修改方案。
2. 安装v86d和hwinfo包,下面我们要用到:3. 查看自己显卡支持的分辨率:代码: 全选
sudo apt-get install v86d hwinfo
代码: 全选
sudo hwinfo --framebuffer
4. 修改/etc/default/grub文件,使用uvesafb的framebuffer来启动None 00.0: 11001 VESA Framebuffer
[Created at bios.464]
Unique ID: rdCR.VSBbdW2x3qC
Hardware Class: framebuffer
Model: "NVIDIA G86 Board - NV_NB8M "
Vendor: "NVIDIA Corporation"
Device: "G86 Board - NV_NB8M "
SubVendor: "NVIDIA"
SubDevice:
Revision: "Chip Rev"
Memory Size: 14 MB
Memory Range: 0xd1000000-0xd1dfffff (rw)
......
Mode 0x0364: 1440x900 (+1440), 8 bits
Mode 0x0365: 1440x900 (+5760), 24 bits
.......
Config Status: cfg=new, avail=yes, need=no, active=unknown把下面的两行代码: 全选
sudo gedit /etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"修改为:#GRUB_GFXMODE=640×480GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nomodeset video=uvesafb:mode_option=1440x900-24,mtrr=3,scroll=ywrap"注意要把前面的#去掉。GRUB_GFXMODE=1440x900
5. 修改/etc/initramfs-tools/modules文件,添加下面这行:代码: 全选
sudo gedit /etc/initramfs-tools/modules
6. 运行下面的命令,启用framebuffer:uvesafb mode_option=1440x900-24 mtrr=3 scroll=ywrap7. 运行下面的命令,更新grub配置文件:代码: 全选
echo FRAMEBUFFER=y | sudo tee /etc/initramfs-tools/conf.d/splash
8. 重启。大功告成!代码: 全选
sudo update-grub2 sudo update-initramfs -u
注:有可能第一次重启后不管用,再重启一次就可以了。
为什么在命令行下的结果里面只有 1360*768
rossi@fedora-linux:~$ sudo hwinfo --framebuffer
02: None 00.0: 11001 VESA Framebuffer
[Created at bios.464]
Unique ID: rdCR.kaff6W423m6
Hardware Class: framebuffer
Model: "NVIDIA GT216 Board - 0695a2a0"
Vendor: "NVIDIA Corporation"
Device: "GT216 Board - 0695a2a0"
SubVendor: "NVIDIA"
SubDevice:
Revision: "Chip Rev"
Memory Size: 14 MB
Memory Range: 0xd1000000-0xd1dfffff (rw)
Mode 0x0300: 640x400 (+640), 8 bits
Mode 0x0301: 640x480 (+640), 8 bits
Mode 0x0303: 800x600 (+800), 8 bits
Mode 0x0305: 1024x768 (+1024), 8 bits
Mode 0x0307: 1280x1024 (+1280), 8 bits
Mode 0x030e: 320x200 (+640), 16 bits
Mode 0x030f: 320x200 (+1280), 24 bits
Mode 0x0311: 640x480 (+1280), 16 bits
Mode 0x0312: 640x480 (+2560), 24 bits
Mode 0x0314: 800x600 (+1600), 16 bits
Mode 0x0315: 800x600 (+3200), 24 bits
Mode 0x0317: 1024x768 (+2048), 16 bits
Mode 0x0318: 1024x768 (+4096), 24 bits
Mode 0x031a: 1280x1024 (+2560), 16 bits
Mode 0x031b: 1280x1024 (+5120), 24 bits
Mode 0x0330: 320x200 (+320), 8 bits
Mode 0x0331: 320x400 (+320), 8 bits
Mode 0x0332: 320x400 (+640), 16 bits
Mode 0x0333: 320x400 (+1280), 24 bits
Mode 0x0334: 320x240 (+320), 8 bits
Mode 0x0335: 320x240 (+640), 16 bits
Mode 0x0336: 320x240 (+1280), 24 bits
Mode 0x033d: 640x400 (+1280), 16 bits
Mode 0x033e: 640x400 (+2560), 24 bits
Mode 0x0345: 1600x1200 (+1600), 8 bits
Mode 0x0346: 1600x1200 (+3200), 16 bits
Mode 0x0347: 1400x1050 (+1400), 8 bits
Mode 0x0348: 1400x1050 (+2800), 16 bits
Mode 0x0349: 1400x1050 (+5600), 24 bits
Mode 0x034a: 1600x1200 (+6400), 24 bits
Mode 0x034b: 1360x768 (+1360), 8 bits
Mode 0x034c: 1360x768 (+2720), 16 bits
Mode 0x034d: 1360x768 (+5440), 24 bits
Mode 0x0352: 2048x1536 (+8192), 24 bits
Mode 0x0360: 1280x800 (+1280), 8 bits
Mode 0x0361: 1280x800 (+5120), 24 bits
Mode 0x0362: 768x480 (+768), 8 bits
Mode 0x0364: 1440x900 (+1440), 8 bits
Mode 0x0365: 1440x900 (+5760), 24 bits
Mode 0x0368: 1680x1050 (+1680), 8 bits
Mode 0x0369: 1680x1050 (+6720), 24 bits
Mode 0x0371: 1360x768 (+5440), 24 bits
Mode 0x037b: 1280x720 (+5120), 24 bits
Mode 0x037c: 1920x1200 (+1920), 8 bits
Mode 0x037d: 1920x1200 (+7680), 24 bits
Config Status: cfg=new, avail=yes, need=no, active=unknown