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Remove Ubuntu Dual Boot From Windows Boot Manager

  1. Log into Windows
  2. Click Windows menu, hold shift and left click to restart Windows into Advanced Options menu
  3. Choose Troubleshoot > Advanced Options > Command Prompt, wait for the reboot
  4. After reboot, reselect Windows
  5. In Command Prompt, type bootrec /fixmbr and bootrec /fixboot. Then close the Command Prompt and choose Continue to continue login to Windows
  6. After logging into Windows, run diskmgmt to remove the volumes from Ubuntu

You can also use GUI solution like EasyBCD to remove the Ubuntu boot item from Windows Boot Manager.

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GeForce 100M 系列顯卡在 Ubuntu 9.04 下安裝驅動後出現 “六屏幕” 的臨時解決方案 [導入的備份]

刚入手的 Lenovo Y550 用的是 GeForce GT 130M 的显卡,由于型号比较新(实际就是 9600GT),官网上稳定版与测试版的驱动均没有,从仓库里得到的安完重启后出现上图效果。六块 640×480 完全相同的图像,这时我们只需要修改一下 xorg.conf(sudo gedit /etc/X11/xorg.conf),添加 Option "ModeValidation" "NoTotalSizeCheck",重启即可

via #1, via #2, via #3