在过去的几个月里,当窗口关闭或最小化时,我的显示屏不会清除背景。它显示窗口的轨迹。这是在更新之后。它似乎每四五次更新后都能正常工作。是什么原因造成的?
sudo lshw | grep -A9 VGA
:
description: VGA compatible controller
product: RS880 [Radeon HD 4200]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 5
bus info: pci@0000:01:05.0
version: 00
width: 32 bits
clock: 33MHz
capabilities: pm msi vga_controller bus_master cap_list rom
configuration: driver=radeon latency=0
答案1
您可以尝试要求较低的桌面环境,例如 Gnome、LXDE、XFCE 甚至 OpenBox,这些环境在旧系统上运行良好。
资料来源: 我可以更换我的桌面环境吗?
http://www.howtogeek.com/107368/how-to-install-the-lightweight-lxde-desktop-on-ubuntu/
https://www.liquidweb.com/kb/how-to-install-the-xfce-desktop-environment-on-ubuntu-14-04-lts/
http://linux.about.com/od/howtos/tp/How-To-Install-And-Configure-Openbox-Using-Ubuntu.htm