Computer hangs during update and after reboots.

[hvn]

Hi,

I just installed Xubuntu 10.10. It indicated 202 updates, so I started to update and next thing I notice is that the computer is frozen on probably the screensaver. I reboot the computer by pressing the reset-button (ctl-alt-del doesn't work) and after reboot it flashes the update-tool processing a kernel-update. Then it flashes back to login screen and hangs. Another reboot I only get to login screen and it hangs. When booting into recovery mode, it hangs on

EXT4-fs (dm-0): mounted filesystem with ordered data mode. Opts: (null)
Begin: Running /scripts/init-bottom ... done.
done.
Begin: Running /scripts/init-bottom ... done
(blinking cursor)

Can somebody please tell me how to go on and get my system running?
HW: 2GHz, 80 GB disk, 1 GB RAM

Thanks

[zenwalker]

Im some where suspecting the RAM! perhaps you could do a memtest to just verify.

[hvn]

Im some where suspecting the RAM! perhaps you could do a memtest to just verify.

Memtest completed without a problem. Which doesn't surprise me, because it's dual boot (other harddisk) with openSuse which has no problem at all. Any other suggestion ?