【08-07】 安装增强后还是无法调分辨率

我用使用virtualbox安装增强功能，但是还不能调整分辨率。
[root@localhost 桌面]# sh ./VBoxLinuxAdditions-x86.run
Verifying archive integrity... All good.
Uncompressing VirtualBox 3.2.6 Guest Additions for Linux........
VirtualBox Guest Additions installer
Removing installed version 3.2.6 of VirtualBox Guest Additions...
Building the VirtualBox Guest Additions kernel modules
Building the main Guest Additions module ...done.
Building the shared folder support module ...done.
Building the OpenGL support module ...done.
Doing non-kernel setup of the Guest Additions ...done.
You should restart your guest to make sure the new modules are actually used

Installing the Window System drivers
Installing X.Org Server 1.5 modules ...done.
Setting up the Window System to use the Guest Additions ...done.
You may need to restart the hal service and the Window System (or just restart
the guest system) to enable the Guest Additions.

Installing graphics libraries and desktop services components ...done.
[root@localhost 桌面]#