Grub error: no such disk
I installed Debian squeeze amd64 (using LVM with ext4 for /, /home, and ext2 for /boot). This is on a whole hdd on its own. Before I installed it, I have win7 on it. There is also another hdd with winxp. The dual boot loader is in the hdd. After I installed Debian, grub 1.98 was installed. After reboot, grub says "welcome", and after 10 seconds, it says "error: no such disk". It went on to display the menu with a choice of my debian and MS windows.
There does not seem to be any effect of this "error:no such disk". However, after I chose Debian to boot, gnome comes on, and I typed in the username and password. The screen goes blank for about 30 seconds before my desk top comes on.
I have 2 questions:
1. How do I fix my grub "error:no such disk" message?
2. Is there something wrong with a 30 seconds delay for the desktop to show after typing username and password, and if so, what can be done?
TIA
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