Dell OEM disc Solved Windows 7 Just a little background so you can better understand the issue at play here. When a computer comes with Windows Pre installed on a computer from a Large Manufacturer Dell, HP, so on they use a specal kind of Product Key. The key is called a OEM SLP key. When the key was entered into Windows at the factory Windows see the specal key and then looks at the Bios of that computer for a OEM Bios Flag. If the proper Flag is present, Windows will Self Activate I. Microsofts Activation serversNow, each OEM SLP key and OEM Bios Flag combination is Manufacturer and Windows version specific. Backup Oem Activation Vista' title='Backup Oem Activation Vista' />This means each Manufacturer has its own sets of OEM SLPBios Flags and each OEM SLPBios Flag pair is only good for one type of Windows. What this means is that your Dell computer originally came with Vista, so, from the factory, it had the Dell OEM SLPBios Flag for Vista. Later you installed the Dell copy of Windows 7 which contained the Dell OEM SLP key for Windows 7 Professional. Backup-and-Restore-windows-2.jpg' alt='Backup Oem Activation Vista' title='Backup Oem Activation Vista' />However, the computer still has the OEM Bios Flag for Vista. The OEM SLP key and OEM Bios Flag do not match so Windows fails to self activate. At this point, for your Windows 7 to work, one of two things needs to happen. You get a Bios your model of PC that includes the Dell OEM Bios Flag for Windows 7 Professional, so that Windows can match up the OEM SLP Key with the proper OEM Bios Flag that enables it to Self Activate. The only place to obtain this Bios would be thru Dell. You can change out the OEM SLP key with the Windows 7 Professional COA SLP key from the Certificate of Authenticity that came with the Windows 7 upgrade disk, from Dell. A COA SLP key is Always included with an OEM SLP key. This is a backup key just in case the OEM SLPBios Flag connection fails for some reason. You just us the Chage Product key function in Windows 7 to enter in the COA SLP key. The COA SLP key must be Activated manually using the Activate by Phone method. Note If Dell did not include a Certificate of Authenticity with the Windows 7 upgrade disk, then you do not have a Licensed copy of Windows 7 and would need to contact Dell for the Certificate of Authenticity. Backup Oem Activation Vista' title='Backup Oem Activation Vista' />Boot multiple Windows Install ISOs from a USB drive. Follow these simple steps to fix Windows 8 activation error 0xC004F074. Mini-Vci Driver For Toyota Tis 2.0 there. This is also applicable on Windows 8. Baixar Cd Musica Gratis Gospel For Today. No more missed important software updates UpdateStar 11 lets you stay up to date and secure with the software on your computer. Backup Oem Activation Vista' title='Backup Oem Activation Vista' />USR devotes significant time and effort to assure our products are compatible with various Microsoft operating systems. USR supports, or will support in the near. Tabtight professional, free when you need it, VPN service. Transformative technology can differentiate your business. Explore the many ways our products optimize industrial operations.