Yoga13 upgrade Win8.1 After a Dolby boot error and other issues

Operation Steps:

Unable to start Dolby Audio issue

The problem that the computer cannot sound after the upgrade is complete, as shown below:

This issue requires the driver to download the new version of win8.1 to the Lenovo website. Link Address:

Http://driverdl.lenovo.com.cn/lenovo/DriverFilesUploadFloder/38636/Yoga13_Audio_Win8.1.exe

Dolby Audio is normal after the sound card is installed.

Display image blur problem

After the upgrade on the Yoga13, the image display is blurry, the graphics driver and resolution are normal, and the view is that the magnification is 125%.

Press Win+x to open the Control Panel after opening the appearance and personalization;

"Enlarge or reduce text and other items" under "show";

Change the size of all items can be changed now to a larger smaller, restored to the most original state, the operation needs to log off after the effective.

Or you want to use your own definition of the pattern, change back to 100% is OK.

Also view IE browser has been modified the zoom scale.