Win8.1 system boot always flash before entering the desktop solution.
The method is as follows:
1, press Win+r key, open run, enter regedit, click OK;
2, in the Registry Editor interface, sequentially expand to Hkey_current_usercontrol paneldesktop;
3, under the desktop item to see if there is a "logpixels" key value, if there is deleted can be.
(some users indicate that there is no logpixels value, then select Personalization--Display--Change all item size, change to different size, select application, and then restore, there is logpixels this value)
4, if the above method has not solved the problem, update the video card driver.