dv4-1220us: do you really need to uninstall ATI Catallyst to upgrade to win 7 of win Vista on a dv4-1220us not

Do you really need to uninstall ATI Catallyst to upgrade to win 7 of win Vista on a dv4-1220us not

Hello

Normally SO but also sepending on what you are doing. This is a new installation or an upgrade. No need to uninstall both. Why you must ask this question?

Kind regards.

Tags: Notebooks

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