Go to the Acer drivers and downloads area under support. Select your product from the list Download each driver and make a note of each file name. Start installing them in the following order:
Chipset, LAN driver - now you should be able to connect to the internet using an RJ45 cable to your router. Use Windows update to download all Microsoft updates and pay particular attention to the "Optional" ones related to the hardware. Install the ones offered. When you've finished installing them all and rebooting and rechecking you need to check in device manager for any exclamation marks against drivers.
Go back to your original downloads list and check for the missing one's. You will need to determine for example whether you have an Atheros, Broadcom or Intel wireless adapter. If you have a problem post back and we'll talk you through installing Belarc Advisor. Similarly Camera driverws and VGA driver but these may be installed automatically via Windows update anyway.