Acer only release Windows XP and Windows Vista Drivers for this model. If you want to upgrade into windows 7 here is the drivers you will need.
Touchpad Issue :
If your touchpad does not working properly, it might be cause by a bad battery. Try to remove the battery and run your Aspire 3050 with only power chord.
Realtek High Definition Audio driver
Windows 7 32/64-bit : Download
ATI Radeon Xpress 1100
Run Windows Automatic updates for automatic installation. Installer Link
Latest drivers can be found on AMD website , select Integrated Motherboard Graphic - Radeon Xpress Series - Radeon Xpress 1100 and download the latest legacy drivers. Current drivers is Catalyst 10.2.
Choose one base on your specification (drivers compatible with both win 7 32/64-bit).
Atheros Wireless AR5007: Download
Broadcom Wireless : Download
Synaptic Touchpad Drivers
Windows 7 (32/64-bit) : Download
Install the following drivers below using compatibility mode for Windows Vista (tutorial with pictures here.) It i your original windows Vista drivers but it works with windows 7. You just need to set the compatibility first before installation.
Camera/Webcam Suyin : Download
Camera/Webcam Bison : Download
Card Reader ENE : Download
Conexant Modem : Download