Win7 desktop icon turns white is how it is?

I believe many of my friends have encountered such a common problem with Win7 desktop icons, suddenly found that their Win7 desktop icon turned into a white . How is this going? What caused this situation? In fact, this is most likely due to a problem with the icon cache. The icon cache is an icon buffer created by the Windows system for desktop icons. So how do you update and restore these icons? Here are a few ways to do this. You can easily deal with this kind of sudden situation where the Win7 desktop icon turns white when you master one of them.
Solution 1:
First click the right mouse button on the blank side of the Win7 desktop, and select “Personalization” in the right-click menu. Well, everyone should use it often, and then, from the Win7 personalized window. It's ok to change a theme. In this way, Windows 7 will automatically update the icon cache, which naturally solves this problem, simple.
Solution 2:
Some friends use Win7 Home Basic Edition. Don't be afraid if you don't have Win7 theme replacement function. Let's go to the control panel and click “Change desktop icon” , click to restore the default value.
Solution 3:
In addition, a more complicated way to solve such problems is to enter the system security mode. Press F8 when starting the computer, so that our computer can enter safe mode. After entering safe mode, don't worry, restart the computer again, Windows7 system will automatically update those useless cache icons, and simply restart the computer. It is useless.
Other icon cache tips sharing:
In the Windows7 system, the location of the icon cache file is: C:\\Users\\username\\AppData\\Local\\IconCache.db, the default cache size of the system is relatively small, if If you create too many shortcut icons, it will exceed the storage range of the cache, which will affect its display speed. Of course, the size of the cache is not the same, it can be changed, if you have a lot of icons on your Win7 desktop, we can set it slightly larger.
Press Win+R to open the running window, enter regedit and press Enter to open the registry. Locate the following location [HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer] and create a name in the right pane. ;Max Cached Icons” string value, set its value to “2048” (Note: the maximum can only be set to 8192), depending on how many icons on your desktop and how big the memory is. It is a waste to set up a large system memory, and it is not enough to set a small icon cache. Generally, it is enough to set 2048 (2M memory). It will take effect after restarting the Win7 system.
The above method for solving the Win7 desktop icon turns white. I believe that when you encounter the icon on the Win7 desktop and turn it into a white brick, the natural problem is solved. Due to the cache, the icon cache It is inevitable that problems will arise. It is not terrible to have problems. As long as we learn how to solve problems, we can solve them perfectly.