ubuntu is running in low-graphics mode

[Fehmi]

Binary package hint: yelp

after upgrading to Ubuntu 8.10 from 8.04, on booting there is a windows saying "ubuntu is running in low-graphics mode". After correcting the resolution and refresh rate from "Screen and Graphics", the same problem happens on the next start.

Ubuntu 8.10 (inrepid)
Kernel. 2.6.27-6-generic
GNOME: 2.24.0
Intel Pentium (R) D CPU Dual Core 2.8

Graphic card: on board Intel 945 G

ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 8.10
ExecutablePath: /usr/bin/yelp
Package: yelp 2.24.0-0ubuntu1
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=tr_TR.UTF-8
 SHELL=/bin/bash
SourcePackage: yelp
Uname: Linux 2.6.27-6-generic i686

[Sebastien Bacher (seb128)]

the issue is not a yelp bug