While the D610 is technically underpowered for Windows 7 by today's standards, with the right driver set and a bit of tweaking, it runs surprisingly well for basic tasks (word processing, legacy software, or acting as a retro media player). The biggest hurdle? Drivers. Dell never officially released Windows 7 drivers for the D610.
The D610 typically shipped with the Intel PRO/Wireless 2200BG card. dell d610 windows 7 drivers