安装ubuntu12.04后nvidia显卡驱动安装详解步骤
<p style='margin: 0px; padding: 5px 0px; outline: none; font-size: 14px; line-height: 30px; font-family: tahoma, arial, "Microsoft YaHei";'>首先申明本机的概况：</p>
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<span><u>复制代码</u></span>
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代码如下:</p>
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robinson@robinson-homepc:~/Downloads$ uname -a<br>
Linux robinson-homepc 3.11.0-15-generic #23~precise1-Ubuntu SMP Tue Dec 10 16:43:53 UTC 2013 i686 i686 i386 GNU/Linux</div>
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显卡是今年刚出来的Nvidia GTX650，集显不知道，应该是自带驱动吧。</p>
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1.下载驱动：http://www.nvidia.com/page/drivers.html下载下来后, 一般都像我一样，放在下载文件夹里。</p>
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2.卸载已有驱动sudo apt-get remove --purge nvidia*</p>
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3.然后点Ctrl + Alt +F1到第一控制台.输入用户密码（如果num lock亮着，再按两次）, 然后输入命令关闭X.</p>
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（大家可能对切换控制台可能有点陌生，这里我提供另外一个方案，就是用SSH，不管你是Window还是其他的系统，用SSH连接到本机上操作，我就是这样操作。）</p>
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<span><u>复制代码</u></span>
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代码如下:</p>
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robinson@robinson-homepc:~/Downloads$ sudo stop gdm</div>
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<span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>（注意这里，一般Ubuntu默认是lightgdm，我安装的gdm）</span></p>
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4.然后运行安装文件</p>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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robinson@robinson-homepc:~/Downloads$ sudo ./NVIDIA-Linux-x86-331.20.run</div>
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提示：可以先在图形界面的终端中输入sudo sh ，此时把run文件拖入，回车，不能安装，但是这段代码会被记录，在非图形界面就可以按方向上找到了。</p>
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5. 进入安装界面后，首先接受协议，选“接受” 可能会有提示已经安装了旧的驱动（视乎你自己是否有手动安装过），是否删除，选yes就是了， 一般会提示缺少模块，问是否网上下载，选“no”， 提示需要自己编译模块，选“ok”，然后编译安装开始， 最后提示需要修改xorg.conf，是否允许，选yes， 完成安装，选ok。</p>
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（这里有点要说的就是需要DKMS，因为这个是编译内核需要的，我这个是在升级内核时候，把所有的包都安装了，所以自带，如果在编译出现问题，有可能是你DKMS没有安装吧。在我安装的时候，的确问到了，我们需要DKMS编译你的内核模块。）</p>
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6.启动看效果。</p>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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robinson@robinson-homepc:~/Downloads$ sudo start gdm</div>
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