POST boot delay

Recently, I reinstalled Linux Mint 9 after previous installation got corrupted. Since then, it really takes time from the POST screen to boot, it takes about 20 seconds. I'm getting more stresses when it also takes time before I can see the desktop after the login page. The error message said that Power Management in running, but luckily I can click on the "Cancel" or the "Logout Anyway" buttons.

After a few search, I found out it suppose to be because of the usb device connected to my computer. Later on, I unplugged my usb bluetooth, and then start the computer. Wow, the 2 problems above solved. Yeehaa !! :)

I didn't tried to plug back the usb bluetooth, but I'll try that later.