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Ubuntu 14.04 dual-card displays "unknown display"

Source: Internet
Author: User
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After Ubuntu 14.04 was installed, a serious problem occurred. The mouse floated. After the workspace was set, two screens were found in the workspace. An unknown monitor was found in the displayed settings ", after "unknown monitor" is disabled, the system returns to normal. This problem occurs again when you start the instance again.

The official explanation for this bug is that the dual-graphics card driver (such as Intel and NVIDIA graphics cards), UBUNTU will read two monitors at the same time, the display effect is a "built-in monitor" and an "unknown monitor ". The solution is to install Bumblebee. After the restart, the "unknown monitor" will disappear.

Sudo apt-Get install bumblebee-NVIDIA

650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M01/47/DC/wKiom1QBvdLwVowkAAHiAxSTLdk700.jpg "Title =" ubuntu-trusty-screen-settings-default.png "alt =" wkiom1qbvdlwvowkaahiaxstldk700.jpg "/>


Ubuntu 14.04 dual-card displays "unknown display"

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