修改Win7登陆界面墙纸
修改注册表.reg
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionAuthenticationLogonUIBackground]
"OEMBackground"=dword:00000001
创建墙纸
C:WindowsSystem32oobeinfoackgroundsBackgroundDefault.jpg
墙纸大小不应超250KB