Dell T7500 service manual

WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

NOTE: The computer must be disconnected from the electrical outlet to clear the CMOS setting.

1.Remove the computer cover.

2.Locate the 4-pin password connector (PSWD) on the system board.

3.Remove the 2-pin jumper plug from pins 3 and 4.

4.Locate the 4-pin CMOS jumper (RTCRST) on the system board.

5.Move the 2-pin jumper plug from the password jumper to pins 1 and 2 of the CMOS jumper.

6.Plug in AC power to the system and wait ten seconds for the CMOS to clear.

7.Move the 2-pin jumper plug back to pins 3 and 4 of the password jumper.

8.Replace the computer cover.

9.Connect your computer and devices to electrical outlets, and turn them on.

NOTE: You can use the RTCRST jumper procedure above to attempt recovery from a No POST, No Video situation.