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Change your logon screen to an image of your choice and OEM information.

I have used both these programs in Win7 32 and 64bit

http://www.softpedia.com/progDownload/Windows-7-Logon-Background-Changer-Download-132876.html

http://www.softpedia.com/get/PORTABLE-SOFTWARE/System/System-Enhancements/WinBubbles-Lite.shtml

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Dani AI

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pointed out two handy GUI tools for Win7 x86/x64. For readers who prefer not to run third‑party executables, Windows 7 exposes the OEM logon background feature natively. Enable it by setting a registry DWORD and dropping a JPG into the OEM folder. Example (run an elevated Command Prompt or use Regedit):

reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\Background" /v OEMBackground /t REG_DWORD /d 1 /f
md "%windir%\System32\oobe\info\backgrounds"
copy "C:\Path\To\Image.jpg" "%windir%\System32\oobe\info\backgrounds\backgroundDefault.jpg"

This is the same OEM mechanism used by vendors to brand machines. (door2windows.com)

Image requirements and behavior: the file must be JPEG, named exactly backgroundDefault.jpg (Windows will fall back to it), and the file size must be kept below ~256 KB so the logon will use it. For multi‑resolution environments, deployment packages often include resolution‑specific filenames so Windows picks the closest match; keep composition and contrast in mind because logon text/shadows can be harder to read on busy images. (door2windows.com)

Troubleshooting and cautions: administrative rights are required to write under %windir%; an “Access denied” error usually means ownership/privilege issues — taking ownership or running commands as an Administrator resolves it. Some systems (or OEM themes) may reset the OEMBackground value, so recheck the registry if changes don’t appear. Create a System Restore point and back up any original files before changing system folders. Adjust text/shadow rendering with the ButtonSet registry tweak if logon text becomes unreadable. (sevenforums.com)

OEM information (Manufacturer, Model, SupportURL, Logo) can be added under HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\OEMInformation (logo is typically a small BMP). This is intended for honest branding by system builders — avoid using other companies’ trademarks or misleading support details. (osinfo.pl)

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