Ubuntu11.10 external display problems

Because I used my T61 notebook, I always felt that the display was too small, so I used an external display in the company. On the one hand, dual screen can improve efficiency and the big display looks comfortable, however, when I got home, I couldn't use an external reality. Sometimes I connect to a projector in the company. Recently I found a problem. When I connect to the external display and start the system, I came up with the following prompt, this also happened in Ubuntu11.04 on the desktop. Google, probably understood the reason. When Ubuntu is started into the desktop, it will call g

Because I used my T61 notebook, I always felt that the display was too small, so I used an external display in the company. On the one hand, dual screen can improve efficiency and the big display looks comfortable, however, when I got home, I couldn't use an external reality. Sometimes I connect to a projector in the company. Recently I found a problem. When I connect to the external display and start the system, the following prompt appears:

Later, I thought back to this situation in Ubuntu 11.04.

Google, probably understood the reason.

When Ubuntu is started into the desktop, it will call the gnome-setting-deamon program. This program calls some settings of the current user, such as fonts, monitors, boot programs, and so on.

Cocould not apply the stored configuration for monitors

The pop-up window above indicates that the current monitor settings cannot be applied, that is, the display settings are incorrect.

My personal analysis, because I am using dual-screen reality in my company, I made settings on the video card myself. When I shut down, gnome-setting-deamon will save the previous settings, generate a monitors. xml file. In the user directory $ user. home/. config/monitors. xml, the easiest way to solve the problem is to delete the monitors. xml file and restart your computer.