Instruction
1
To start, locate the image that you want to replace the boot screen. It should "weigh" no more than 256KB and have the extension *.jpg, or *.jpeg. The resolution should match the resolution of your monitor. Rename the image to backgroundDefault.
2
To learn the format and image size, open the section in which it is located. Click the right mouse button in the space section and from the menu select View > table. How to display files in the directory will change next to each graphic file will appear several columns, including "Type" and "Size", which specified the parameters you need.
3
To find out the resolution of the file, click right mouse button and from the appeared menu choose "Properties" and then tab "Detail". Here is a list of file parameters, grouped. Find the group "Image", and in it the paragraph "Dimensions". To the right of it indicates the picture resolution.
4
Press the key combination Win+R in the window that appears in the input line enter regedit and press Enter on the keyboard. Then you may receive a window requesting your permission to make changes to your computer. Click "Yes". Opens the registry editor.
5
Open the registry editor directory HKEY_LOCAL_MACHINE > SOFTWARE > Microsoft > Windows > CurrentVersion > Authentication > LogonUI > Background. If you did everything correctly, in the right part of the window you will see the settings related to the loading screen.
6
Locate the setting OEMBackground. If it is missing, create it. Right-click the white space in the right part of the program and in the opened menu, click "New > DWORD (32-bit)". Name this option OEMBackground, then open it and set the value to "1".
7
Copy the previously prepared image in the directory C:Windows\System32\oobe\info\backgrounds. If the folders info and backgrounds do not exist, create them. Restart the computer so the changes take effect.