Dell Inspiron 531S Owner's Manual - Page 177
Clearing CMOS Settings
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3 Locate the 3-pin password connector (CLEAR P.W.) on the system board and remove the 2-pin jumper plug from pins 2 and 3 and fix it on pins 1 and 2 and wait for approximately five seconds to clear the password. 4 Remove the 2-pin jumper plug from pins 1 and 2 and replace it on pins 2 and 3 to enable the password feature. 5 Replace the computer cover (see "Replacing the Computer Cover" on page 165). NOTICE: To connect a network cable, first plug the cable into the network device and then plug it into the computer. 6 Connect your computer and devices to electrical outlets, and turn them on. Clearing CMOS Settings CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide. 1 Follow the procedures in "Before You Begin" on page 101. NOTE: The computer must be disconnected from the electrical outlet to clear the CMOS setting. 2 Remove the computer cover (see "Removing the Computer Cover" on page 103). 3 Reset the current CMOS settings: a Locate the 3-pin CMOS jumper (CLEAR CMOS) on the system board (see "System Board Components" on page 107). b Remove the jumper plug from the CMOS jumper (CLEAR CMOS) pins 2 and 3. c Place the jumper plug on the CMOS jumper (CLEAR CMOS) pins 1 and 2 and wait approximately five seconds. d Remove the jumper plug and replace it on the CMOS jumper (CLEAR CMOS) pins 2 and 3. 4 Replace the computer cover (see "Replacing the Computer Cover" on page 165). NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into the computer. 5 Connect your computer and devices to electrical outlets, and turn them on. Appendix 177