Originally Posted by deltaman

[snip]

Run a disk cleanup to get rid of junk files, and run a proper defrag. Use a powerful defragmenter like Diskeeper 2008 Pro to defrag the disk. You can grab free trial versions from http://www.diskeeper.com for the job. It's an awesome program for defragmenting hard drives.

Also, it would be a good idea to disable hibernation before the defrag, so the hibernation file is deleted and then re-enable it after the defrag to create a new hiber file. This will allow defrag to run smoothly and thoroughly.