Win7 system score appears "can not measure video playback performance" solution

After updating the graphics driver, we often prompt to update the "Windows Experience Index", but it may pop up when detecting the performance of Windows media decoding. "Cannot measure video playback performance", which causes this problem. One reason is that either the page file is set too small, or the page file is put into the virtual disk virtualized by the ramdisk, and the small face is told to solve the problem.

Case 1:

Ever since changed the video card replaced the previous HD2400 HD6570 1G DDR3 drive after Bahrain win7 score is refreshed in the regulation of Windows media appear after decoding “Video playback performance cannot be measured”.

Case 2:

After reinstalling the system, the system cannot be graded. After installing the decoder update driver, it cannot be graded. Solution: C:\\Windows\\System32”“msmpeg2vdec.dll”, “msmpeg2adec.dll” and “mfds.dll” These three file names have been modified, if modified, restored to the above Name, you can. Generally, these three file names are changed to be followed by *.blk. It is OK to modify it.