最近更新到Ubuntu11.10后adobe flash player开始不断崩溃，根据一些表现推断是硬件加速除了问题，正好碰上捣鼓Nvidia GT240的驱动，终于发现通过更换驱动能解决问题，下面的方法就简单了。
1.切换到tty1
Ctrl+Alt+F1
2.登录
输入用户名+“回车”+密码登录
3.停止X server
sudo services ligthdm stop
4.安装Nvidia驱动
可以安装软件源中的nvidia-current驱动
sudo apt-get install nvidia-current
也可以去Nividia 官网下载二进制驱动包NVIDIA-Linux-x86-290.10.run安装。目前测试只有这个版本的驱动工作的比较好，NVIDIA- Linux-x86-295.20的驱动会导致屏幕分裂，而其他几个版本的驱动会导致flash player崩溃。更早的版本没有测试。另外主要的是内核版本也会有影响，我现在用的的3.0.0.16的内核，ppa上3.2的版本和二进制驱动不兼 容。
安装方法：
sudo ./NVIDIA-Linux-x86-290.10.run
5.重新启动X server
sudo services ligthdm start
6.切换回GUI
Ctrl+Alt+F7
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