Do you have a trouble with slow response of windows photo viewer?
Slow open program about 3-5 seconds?
but your specification is good?
Here's how to solve your problem.
It was works on my laptop.
Just update or reinstall your Graphic driver:
Make sure you know what type of your graphic card.
You check it from:
1. Press windows button+R
2. Type DXDIAG
3. Select tab Display
Download your driver here:
ATI /AMD RADEON
Have a nice day!