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Thread: (ubuntu 11.10 ) after inserting a dvd , the cd/dvd drive icon disappeared

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(please tolerate english)
upgraded 12.04 lts . before upgrade updated ubuntu 11.10. did not check whether cd/dvd drive working or not , after installation or update or upgrade. i'm new ubuntu. have following additional issues :

1. drive can not read dvds can read cds. cant retrieve files on backup dvd. must cleared possible. tested using brasero , burned dvd, @ last showed error . still drive can not read it.

2. system settings utility not opening. nothing displayed on screen if click .

3. dont know whether ubuntu 11.10 upgraded properly. if open update manager shows "not updates installed " , button caption "partial upgrade" . if click , message says "an upgrade precise oneiric not supported in tool. say?
4. if switch unity 3d , cant see desktop items such taskbar , launcher etc.
(i'm using lenovo machine(inter i3 pro ) nvidia geforce cuda graphics card 512mb). , have restart , switch unity 2d . affect system badly?

5. when open applications such libre writer , update manager , error message thrown " internal error on ubuntu 12.04 " , prompted sending report developers of ubuntu , allowed send information regarding error. fear went wrong.

installed following softwares (after reading tutorials) :

1. vlc
2. sqeeze
3.eidete
4.lamp (i did not configure enough work)
5. bluetooth manager
6. cheese webcam booth
7. computer janitor
8.netbeans 7.0.1
9. synaptic pakage manager.


waiting kind , guys . in advance !



Forum The Ubuntu Forum Community Ubuntu Official Flavours Support General Help (ubuntu 11.10 ) after inserting a dvd , the cd/dvd drive icon disappeared


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