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标题:Thinkpad T420机型BIOS切换独立显卡教程
<div style=""><font face="Arial"><span style="font-size: 14px;">【双显卡切换】Thinkpad T420机型BIOS切换独立显卡教程~ 原创</span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;"><br></span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;"><br></span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;">开机按F1进入BIOS设置界面,然后进入CONFIG子界面,找到Display这个子项,然后回车进入(这个是设置显示输入和显卡的地方)</span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;"><br></span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;">里面有三个项目:</span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;"><br></span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;">Boot Display Device(启动时使用的显示装置)</span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;">保持默认Thinkpad LCD就可以,这意味着使用的显示器是笔记本的显示器,而不是VGA接口上安装的显示器。</span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;">Graphics Device (可切换显示卡)</span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;">OS Detection for Switchable Graphics (是否允许检测操作系统)</span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;"><br></span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;"><br></span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;">Graphics Device(可切换显示卡)里面有三个选项</span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;">integrated graphics(集成显卡),Discrete Graphics(独立显卡),Nvidia Optimus(显卡智能切换)</span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;">XP系统不支持自动切换,所以只能选集成或者独立显卡</span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;"><br></span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;"><br></span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;">OS Detection for Switchable Graphics (是否允许检测操作系统)</span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;">Enabled(开启),Disabled(关闭)</span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;"><br></span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;">黑色头发:http://heisetoufa.iteye.com/</span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;">选择[Enabled],下次进入系统BIOS会自动检测到系统,并且开启对应系统的Graphics Device项目选择</span></font></div><div style=""><font face="Arial"><span style="font-size: 14px;">选择[Disabied],Graphics Device 项将不会根据系统更改,如果想单独使用独立显卡,应选择此项</span></font></div>