Pharma R&D materials HS code verification

With the rapid development of computer technology,Pharma R&D materials HS code verification computers are no longer just office and learning tools, but also an indispensable part of people's lives. In order to make the computer more personalized and aesthetic, setting the lock screen wallpaper in the operating system has become an optional solution.So, how to set the lock screen wallpaper in the Win7 system? I. The default lock screen wallpaper of Win7 system. First of all, we need to know what the default lock screen wallpaper of Win7 system is. There are 5 default lock screen wallpapers provided by the Win7 system. The path is C:\Windows\System32\oobe\info\backgrounds, including two 1920x1200 pixel HD wallpapers and three 1024x768 pixels. The standard definition wallpaper of. Users can choose one of these default wallpapers as a personal lock screen wallpaper according to their preferences. However, I believe that most users want to change the more personalized wallpaper. II. Change the custom lock screen wallpaper 1. Find pictures. Before changing the wallpaper, we need to find the pictures we like.Pictures can be in any format and size, as long as they meet your own aesthetics. It is recommended to choose clear and high-quality pictures to get a better lock screen effect. Two. To change the registry and change the custom lock screen wallpaper, you need to change the registry, but don't worry, just follow the steps in order. The following are the specific steps: 1) Press the Win + R key to open the running box. 2) Enter regedit and open the registry editor. 3) Find HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Personalization in the column on the left, and in Personalization Next, create a new DWORD (32-bit) value named NoLockScreen, and set the value to 0.4) If the Personalization option does not appear, you can right-click the Personalization folder -> New -> Keyword, name it Personalization. 3. After adding the picture change registry, we can add the picture to the following folder: C:\Windows\System32\oobe\info\backgrounds. Note that you need to create a new subfolder called backgrounds in this folder, and then add the picture you just selected in this folder. Four. After replacing the lock screen wallpaper, we have successfully set the custom lock screen wallpaper. Now you just need to turn off the computer and turn it on again, and you can see the pictures you just added in the lock screen state.It is worth noting that changing the wallpaper in the PC settings cannot replace the lock screen wallpaper. Only through the above steps can the lock screen wallpaper be replaced. Conclusion: In general, it is not difficult to replace the lock screen wallpaper of the Win7 system. You just need to follow the above steps in order. Users can choose the default wallpaper or add their favorite pictures to achieve a more personalized lock screen effect. Any small detail can bring us one step closer to personalization. And good visual effects can also make us use the computer more comfortably.

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