@silvester
more detailed specs (from system properties):
Manufacturer: eMachines
Model: eMachines E525
Rating: 3.3 EDIT: Re-ran assessment, same results.
Processor: Intel(R) Celeron(R) CPU 900 @ 2.20GHz
2.19GHz
Installed Memory (RAM): 2.00 GB
System Type: 64-bit Operating System
Windows Edition: Windows 7 Home Premium
@CoffeeGrunt
Actually, I can run source games on high with no lag or anything at all, this has just happened out of the blue for me.
@Everyone
None of these suggestions work, as I've already tried them. I think I found out the problem though (read this on another forum): the source engine uses WM_MOUSEMOVE for mouse finding instead of WM_INPUT. Anyone know what this means?
EDIT:
Windows Experience Index:
Processor: 4.4
Memory (RAM): 4.9
Graphics: 3.3
Gaming graphics: 3.3
Primary hard disk: 5.9
-TZK