Help! i cant seem to do anything with my laptop. it is an Acer Aspire 8935 with ATI RADEON hd4670 1gb graphics. It crashes when i am downloading info or running multiple applications. 

My Computer
At a glance
Windows 7 ultimate x64
- Computer type
- Laptop
- Computer Manufacturer/Model Number
- Acer
- OS
- Windows 7 ultimate x64