我剛從 12.04 升級到 14.04。一切順利，重啟也順利。然後，我重新啟動了一些第三方軟體套件來源，並做了一些更新。之後ubuntu就無法啟動了。出現帶有“ubuntu”的螢幕及其下面的一些點。然後，在我看到登入畫面之前系統就凍結了。我可以在凍結之前按 CTRL+ALT+F1 設法進入終端環境。
我已經刪除了所有第三方軟體，並重新安裝了 Unity 和桌面環境。這沒有幫助。
此外，我嘗試過
unity --replace
給予
WARNING: no DISPLAY variable set, setting it to :0
stop: Unknown job: unity-panel-service
start: Unknown job: unity-panel-service
compiz (core) - Info: Loading plugin: core
compiz (core) - Info: Starting plugin: core
compiz (core) - Fatal: Couldn't open display :0
compiz (core) - Info: Stopping plugin: core
compiz (core) - Info: Unloading plugin: core
sudo lspci -vnn |grep VGA -A 12
給出
VGA compatible controler [0300]: Advanced Micro Devices, Inc. [AMD/ATI] RV710/M92 [Mobility Radeon HD 4350/4550] [1002:9555] (prog-if 00 [VGA controller])
Subsystem: Hewlett-Packard Company Device [103c:1471]
Flags: bus master, fast devsel, latency 0, IRQ 49
Memory at c0000000 (32-bit, prefetchable) [size=256M]
I/O ports at 4000 [size=256]
Memory at d4400000 (32-bit, nonprefetchable) [size=64K]
Expansion ROM at d4420000 [disabled] [size=128K]
Capabilities: [50] Power Management version 3
Capabilities: [58] Express Legacy Endpoint, MSI 00
Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
Kernel driver in use: radeon
Kernel modules: radeon
並嘗試
startx
給出
X: cannot stat /ets/X11/X (No such file or directory), aborting
xinit: giving up
xinit: unable to connect to X server: Connection refused
xinit: server error What does that mean?
我非常感謝任何幫助！
謝謝。