All, I have a problem with my installation of Lion. Whenever my computer wakes from sleep - it doesn't renew it's DHCP lease. This means that: web page loads just hang until I manually renew the lease, or toggle WiFi on and off my Mac won't "wake for network access" I have 27" iMac with a two drives, an SSD where the OS is installed, and a HDD where my user data is installed. I performed a clean install of the SSD on the weekend, but as soon as I relinked the files on my HDD with my user profile the problem reappeared. I'm thinking that there must be files in my user Library folder causing the problem. Is it ok for me to just delete this folder?