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I have a Dual Boot-up with Windows 7 Ultimate and Ubuntu.

My Ubuntu 10.10 does not allow me to log in and says that the GNOME power manager

has not been installed properly & asks me to contact the system administrator.

However I'm sure that the my password is correct,because it worked perfectly fine until yesterday.How can I rectify this?

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up vote 1 down vote accepted

If you have a live cd, boot from this, and run a disk check on the ubuntu partition.

To do this, you need to first run fdisk -l from a root terminal, then once you know the location of the ubuntu partition, run fsck /path/to_drive.

Once the disk check is complete, you can restart your system (without the CD) and it should be working again.

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OK.I'll Do that.But can you please tell me what could have gone wrong? I have never touched the root directory or any system files.I've been using Ubuntu for over 2 years and this is the first time I had to face this – Pavitar Apr 1 '11 at 4:28
Could be one of a billion reasons. Hence the disk check, i am assuming that Roland thinks your system might be failing. – Thomas W. Apr 1 '11 at 5:02
@Pavitar: it's not something you did wrong. It has happened to me before as well. It happens when the filesystem has a serious error and needs to be checked. what happens is the system starts in read only mode (I'm not sure what triggers that) and so gnome-power-manager has a serious problem, and you won't be able to login either. – RolandiXor Apr 1 '11 at 16:13
Roland Taylor -- Hey I tried it but it does not let me run the Live CD. When I boot up with Ubuntu CD it takes me to a screen and then switches off my monitor. – Pavitar Apr 6 '11 at 5:24
@Pavitar: "takes you to a screen?" can you explain please? – RolandiXor Apr 6 '11 at 14:38

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