Windows 7 cannot change the resolution of the desktop background image

Windows 7 can't change the resolution of the desktop background image. Symptom: Windows 7 desktop background can't be changed suddenly. Reason analysis: www.hanwangtx.com virus or third-party optimization, or installing theme software, etc. may lead to Such a problem. Solution: General method: kill the virus, disable all startup items, this need to do the following attempts are invalid after the following operations. Method 1: www.2cto.com Enter the Easy Access Center in the Start Search box and press Enter. Pull the slider to "Browse all settings”. Click “ Make your computer easier to see”. Look at the bottom of the window “ Make the content displayed on the screen easier to view & rdquo; Partially delete the background image (if any) & rdquo; Is it checked? If so, please clear the check. Check if the wallpaper can be changed. Method 2: If the Windows7 desktop background is locked, you will not be able to change the background of the desktop. Just configure “Allow changes to desktop background” and “Desktop wallpaper” in Group Policy as “Unconfigured”. ; In the group policy, "Block change desktop background" is set to "Unconfigured", "Group wallpaper" is set to "Unconfigured", if the system version does not support Group Policy Editor, you can try directly Modify from the registry, as follows: Use the key combination <;Win+R” call up the run command box. Type regedit.exe and press Enter to open the Registry Editor. (If the user account control window pops up, please allow to continue) Tip: Modifying the registry is risky, please be cautious. Locate the following registry key in order: HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies Locate the ActiveDesktop entry. (If not, right-click on “Policies”, select “New->Items” and name it ActiveDesktop) Click to expand ActiveDesktop, right-click on the right detail window and select “New->DWORD Value&rdquo” ;, named NoChangingWallPaper. Assign a value to the new value NoChangingWallPaper. 1 means to prevent changes, 0 means to allow changes. Here, assign it a value of 0. Click “OK> Save changes and quit Registry Editor. Restart the computer, can the wallpaper be changed now? www.hanwangtx.com Method 3: If you still can't, then look at the TranscodedWallpaper.jpg file, maybe it is a problem. Enter the following address in the address bar and press Enter. %USERPROFILE%\\AppData\\Roaming\\Microsoft\\Windows\\Themes Rename TranscodedWallpaper.jpg to TranscodedWallpaper.old. (If the file suffix name is not visible, click “Alt+T” bring up the toolbar, open the “Tools->Folder Options”, uncheck the “ on the “View” tab to hide Know the extension of the file ”.) The following prompt will appear, skip directly, click “ is ”. Then, double-click to open slideshow.ini and clear all file contents. Exit the resource manager. Restart the machine, check it out, is the problem solved? If it still can't be solved, all the options about the background settings have been changed, only the system problems can be considered. This article comes from Wen Qi Climbing