SharePoint caches the content (Could be images, etc.) in two of its system folders.
The cache is composed of these 2 folders:
In order to clear the cache, simply delete the files in these two folders.
I even created a batch file for doing this, which allows you to automate this function either as a scheduled job or manually by clicking on the batch file.
========Script Start below===================cd “%APPDATA%\Microsoft\Web Server Extensions\Cache”del *.web /S /Q “%APPDATA%\Microsoft\Web Server Extensions\Cache”cd “%USERPROFILE%\AppData\Local\Microsoft\WebsiteCache\”rmdir /S /Q “%USERPROFILE%\AppData\Local\Microsoft\WebsiteCache\.”mkdir “%USERPROFILE%\AppData\Local\Microsoft\WebsiteCache”dir “%APPDATA%\Microsoft\Web Server Extensions\Cache”dir “%USERPROFILE%\AppData\Local\Microsoft\WebsiteCache”========Script End========================