I use Windows 7 and Ubuntu 10.04 on my laptop: Acer Aspire 5349.
Ubuntu 10.04 doesn't work with LAN and WLAN. Where can I download a driver:
Atheros WLAN AR5B91 Driver
.deb only, can that?
This should work "out-of-the-box." Have you checked the BIOS settings, as suggested here: