switched PCIE2 video card, do I need to reinstall CB?

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http://crunchbanglinux.org – I had nvidia PCIE card with latest waldorf after a fresh install.  It worked fine but I had to pull the card.Now I have Radeon HD4650 installed and it seems to run OK, except when I maximize chromium browser it takes several seconds to go to full.  When I enter "lspci" this is what I get.--01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RV730 PRO [Radeon HD 4650]01:00.1 Audio device: Advanced Micro Devices [AMD] nee ATI RV710/730 HDMI Audio [Radeon HD 4000 series]apa@naked:~$ --Does the Waldorf handle video driver install automatically?,  Can I (HowTos)