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This website is for adults only. Please close this window if you are under 18.你可以将对自己最重要的内容放在开始屏幕上，可以是照片、好友动向或是你喜爱的应用和网站。 你还可以选择颜色并移动内容，直至一切都尽如人意。
使用应用进行多任务操作
Windows 8.1 可让你按照自己喜欢的方式工作。 任何 Windows 电脑或平板电脑都可进行多任务处理，使你能够轻松地
在不同任务间切换。 在 Skype 上与好友聊天期间，可随时提取 Wikipedia 文章，让争论烟消云散。 或在简
历中播放音乐视频，让简历更引人入胜。 根据屏幕大小，你可同时查看
最多四个应用。
一次搜索，无所不包
必应智能搜索可提供来自电脑、应用和网络的所有结果。 结果显示在一个整洁的图形化视图中，让你快速找到目标内容。 （某些功能并未在所有地区提供。）
你的 Windows，可以随处使用
任何地方，与你同行。
使用你的 Microsoft 帐户登录任何运行 Windows 8.1 的设备，你都会看到相同的布局
、应用和设置。 通过使用 Microsoft 帐户（只不过是一个电子邮件地址和你选择的
密码）登录，你还可以访问 Windows 应用商店中缤纷的应用世界，它们可帮助你在 O
neDrive 上在线保存、查看和编辑文档与照片。
你的文件始终和你在一起
OneDrive 是内置在 Windows 8.1 中的免费在线存储。 自动将文档、照片和其他文件保存到 OneDrive，你可以从自己的任一电脑或设备随时访问它们。 你可以使用 OneDrive 保护自己的文件，以免电脑遇到问题。
你还可以使用 OneDrive 与他人进行共享和协作，以及在手机和非 Windows 设备上查看各种内容。
Internet Explorer 11
快速、流畅、为触控而生
Internet Explorer 11 现在拥有更大的选项卡、更简单的控件和更流畅的触控响应，可带来完美触控体验。 Internet Explorer 硬件加速功能充分发挥硬件潜能，使网站加载速度更快，浏览更流畅。
Windows 应用商店
载满各色应用
直接从开始屏幕打开 Windows 应用商店，从中可以浏览和下载烹饪、照片、运动、新闻以及其他方面的应用，其中很多应用都是免费的。 按价格、评级和类别进行排序。 查找你喜欢的旧应用和热门的新应用。
AutoCAD是一款非常受欢迎的设计类软件，它的作图功能也十分强大，我们在Word编辑时
<font color='#ff
<font color='#ff
<font color='#ff
联想Win8鼠标滚轮不能用？当然有一种可能是鼠标滚轮坏了，那就要去换个鼠标了。How to install the latest Nvidia drivers on Ubuntu 14.04 Trusty Tahr
Nvidia drivers
If you have an Nvidia graphics card on your system, then its recommended to install the official drivers provided by Nvidia. The proprietory drivers would utilise the hardware properly delivering full performance.
Installation is pretty easy and it uses a ppa repository. So you do not need to compile anything. However, make sure to follow the steps properly.
These steps would work on Ubuntu and close derivatives like Xubuntu, Kubuntu, Lubuntu and also Linux Mint and Elementary OS.
1. Find out your graphics card model
Use the lspci command to find out the model of your graphics card
$ lspci -vnn | grep -i VGA -A 12
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GT218 [GeForce 210] [10de:0a65] (rev a2) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device []
Here its GeForce 210
2. Find out the right driver version for your graphics card
Fill in the details about your graphics card and system and then click Search. On the next page, it should tell you the correct driver version with a download link and additional information.
For the above GeForce 210 card, it showed 331.67 as the correct driver which can be downloaded from the website. However we shall install the drivers from ppa to make things easier.
3. Setup the xorg-edgers ppa
The xorg-edgers ppa provides the very latest nvidia drivers. Run the following commands to set it up.
$ sudo add-apt-repository ppa:xorg-edgers/ppa -y
$ sudo apt-get update
Now the ppa is setup and the package information is also updated.
4. Install the driver
Either you can install the driver directly by installing a single package containing "nvidia" and the major version number ( 173, 304, 310, 313, 319, 331, 334 or 337).
# 331 driver
$ sudo apt-get install nvidia-331
# 334 driver
$ sudo apt-get install nvidia-334
# install the latest version
$ sudo apt-get install nvidia-current
Or you can enable it from the "Additional Drivers" section. This is different on different Ubuntu flavors.
Synaptic package manager
If you have synaptic package manager installed, then go to Settings > Repositories > Additional Drivers tab and select the correct nvidia driver, and click Apply changes.
# or launch it from command line
$ sudo software-properties-gtk
If you are running Ubuntu unity desktop, simply launch the dash and search for "driver". Then click the application named "Additional Drivers". It will launch the same dialog box as shown above.
Go to "All Settings > Additional Drivers" and you should see a list of all available nvidia drivers ready to be installed. Select the correct driver and click Apply Changes. The new driver would be downloaded, installed and configured for use.
Go to System Settings > System Administration > Driver Manager and select the nvidia driver there and click Apply.
After the installation is complete, reboot the system. You should see an option called "Nvidia X Server Settings" in your applications menu. From there you can check information about the graphics card and configure it.
5. Verify the installation
The last thing to do is verify that the nvidia drivers are loaded and working. Run the lspci command again and this time the kernel driver should show nvidia
$ lspci -vnn | grep -i VGA -A 12
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GT218 [GeForce 210] [10de:0a65] (rev a2) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device []
Flags: bus master, fast devsel, latency 0, IRQ 46
Memory at e-bit, non-prefetchable) [size=16M]
Memory at d-bit, prefetchable) [size=256M]
Memory at e-bit, prefetchable) [size=32M]
I/O ports at 2000 [size=128]
[virtual] Expansion ROM at e3080000 [disabled] [size=512K]
Capabilities: &access denied&
Kernel driver in use: nvidia
Check the last line which says "kernel driver in use: nvidia". This shows that nvidia drivers are now in action. Also check hardware acceleration with the glxinfo command
$ glxinfo | grep OpenGL | grep renderer
OpenGL renderer string: GeForce 210/PCIe/SSE2
The OpenGL renderer string should be anything other than "MESA". Then it indicates that the hardware drivers are being used for hardware acceleration.
6. Nvidia settings tool
Nvidia would install a gui tool called "Nvidia X Server Settings" somewhere in the menu. It can also be launched from the command line using the command "nvidia-settings". The tool shows miscellaneous information about the graphics card and the monitor connected, and also allows to configure various options.
The tool allows to configure the resolution of the monitor. If you are using dual monitors for example, then you can configure the monitor positions as well.
Removing the drivers
Incase anything goes wrong after the installation, like you are not able to boot Ubuntu, then try removing the Nvidia drivers.
Boot into the recovery console from the grub menu and then issue the following commands
# remount root file system as writable
$ mount -o remount,rw /
# remove all nvidia packages
$ apt-get purge nvidia*
Additional Notes
Many tutorials out there talk about blacklisting the nouveau driver. This is no longer necessary, since the nvidia driver would blacklist nouveau itself. This can be verified by checking the contents of nvidia driver files in the the modprobe.d directory.
$ grep 'nouveau' /etc/modprobe.d/* | grep nvidia
/etc/modprobe.d/nvidia-331_hybrid.conf:blacklist nouveau
/etc/modprobe.d/nvidia-331_hybrid.conf:blacklist lbm-nouveau
/etc/modprobe.d/nvidia-331_hybrid.conf:alias nouveau off
/etc/modprobe.d/nvidia-331_hybrid.conf:alias lbm-nouveau off
/etc/modprobe.d/nvidia-graphics-drivers.conf:blacklist nouveau
/etc/modprobe.d/nvidia-graphics-drivers.conf:blacklist lbm-nouveau
/etc/modprobe.d/nvidia-graphics-drivers.conf:alias nouveau off
/etc/modprobe.d/nvidia-graphics-drivers.conf:alias lbm-nouveau off
Note that the files "nvidia-331_hybrid.conf" and "nvidia-graphics-drivers.conf" have blacklisted nouveau.
To check information about the nvidia driver module, use the commands lsmod, modprobe and modinfo
# check that nvidia kernel module is loaded or not
$ lsmod | grep nvidia
# find the real name of the nvidia module
$ modprobe -R nvidia
nvidia_331
# details about the nvidia_331 module
$ modinfo nvidia_331
/lib/modules/3.13.0-24-generic/updates/dkms/nvidia_331.ko
char-major-195-*
supported:
The kernel module file for the nvidia driver is located at "/lib/modules/3.13.0-24-generic/updates/dkms/nvidia_331.ko".
Note that it is a "dkms" module which means, its loaded dynamically. Due to this the grub screen, the Ubuntu/Kubuntu splash screens would have a low resolution since at that time the nvidia drivers are not in effect, and whatever resolution is available via the VESA extensions, are used.
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About Silver Moon
Php developer, blogger and Linux enthusiast.
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I had problems with Nvidia because ubuntu was forever selecting open source drivers, this is a good solution
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