What you stumbled upon is probably the manual update feature inside the Device Manager you tried to run. Windows reported that you have the latest driver version, and that is true, but those drivers are generic and cannot actually control your hardware, hence the low score on the WEI. To fix this, like we already mentioned, just figure out which GPU you have and download the appropriate drivers from the hardware manufacturer. Once you install them you can rerun the WEI test and you'll see a vast improvement 

My Computer
At a glance
Windows 7 Home Premium x64Intel Core i5 2500K8GB DDR3nVidia GeForce GTX650 Ti BOOST
- Computer type
- Laptop
- Computer Manufacturer/Model Number
- Custom
- OS
- Windows 7 Home Premium x64
- CPU
- Intel Core i5 2500K
- Motherboard
- MSI MS-7750
- Memory
- 8GB DDR3
- Graphics Card(s)
- nVidia GeForce GTX650 Ti BOOST
- Sound Card
- Realtek
- Monitor(s) Displays
- 21' Philips
- Screen Resolution
- Full HD
- Hard Drives
- 1TB
- PSU
- 500W
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