Machine does not reboot

[nirupama rout <nayanarout1233@yahoo.co.in>]

hi

After installation is completed in gui mode the cd
comes out and shows the installtion complete but the
system does not reboot.why?

It shows a whitish screen where even mouse move is not
visible.But when I restart the pc manually I get the
new os well installed

The same process in text mode of installtion works
fine and the system reboots automatically

The lines I added in preseed.cfg file is as follows:

#xserver-xorg xserver-xorg/config/monitor/lcd boolean
true
#xserver-xorg xserver-xorg/config/device/driver select
i810
xserver-xorg xserver-xorg/autodetect_monitor boolean
false
#xserver-xorg xserver-xorg/config/monitor/lcd boolean
true
#xserver-xorg xserver-xorg/config/display/modes
multiselect 1024x768, 800x600, 640x480
#xserver-xorg xserver-xorg/config/monitor/horiz-sync
string 28-72
#xserver-xorg xserver-xorg/config/monitor/vert-refresh
string 43-60
#xserver-xorg
xserver-xorg/config/monitor/selection-method select
Medium
#xserver-xorg xserver-xorg/config/monitor/mode-list
select 1440x900 @ 60Hz
d-i finish-install/reboot_in_progress note
d-i prebaseconfig/reboot_in_progress note
#d-i cdrom-detect/eject boolean false
d-i grub-installer/with_other_os boolean true


Even though I gave the option of rebooting it does not
reboot why?

Can any body help me out.


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