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Windows 8 locked because the password were lost, how can I change it without needing to reinstall it?
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Getting Windows 7 admin account password?
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How can I stop being prompted to unlock the 'default' keyring on boot?
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Encrypted Home... Forgotten Password, but no Passphrase
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Remove Fujitsu Lifebook Bios Password on Startup
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Reset or remove the BIOS password on my laptop
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How can I disable my laptop's built-in keyboard in Windows 7?