Dell OptiPlex E1 - Manual (Page 49)

Using the System Setup Program 2-21
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If you forget your system or setup password, you cannot operate your system or
change settings in the System Setup program until you remove the computer cover,
change the password jumper setting to disable the passwords, and erase the existing
passwords.
To disable a forgotten password, follow these steps.
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Refer to Table 5-1 for jumper information and to Figure 5-6 for the location of the
password jumper (labeled “PSWD”) on the system board.
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Booting your system with the PSWD jumper plug removed erases the existing
password(s).
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See “Chassis Intrusion” found earlier in the chapter for instructions.
NOTE: If a setup password has been assigned by someone else, contact your
network administrator for information on resetting the chassis intrusion detector.
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NOTE: Before you assign a new system and/or setup password, you must
replace the PSWD jumper plug.
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