Dell OptiPlex GX520 - Clearing Forgotten Passwords

Clearing Forgotten Passwords
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1. Follow the procedures in "Before You Begin."
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2. Locate the 2-pin password jumper (PSWD) on the system board, and remove the jumper to clear the password.
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CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.
NOTICE: This process erases both the system and administrator passwords.
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Mini Tower Computer
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Desktop Computer
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Small Form Computer
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Jumper
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Setting
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Description
PSWD
Password features are enabled (default setting).
Password features are disabled.
RTCRST
The real-time clock has not been reset.