hi all , i am trying to install ununtu 10.04 lts on my laptop , first i installed it inside windows and when it boot for first time i got the error message "dont find root file system , try partition table to fix the problem " . and when i want to install it on a single partition (normally) and when it told me to chose a partition i dont find any partition (entire disk) .

i have 2 primary partitions and 3 logical partitions .

please help me

thanks .