Clearing Forgotten Passwords; Clearing Cmos Settings - Dell Precision T7500 Service Manual

5 Password Jumper (PSWD)
Hard Drive Fan Connector
6
(FAN_HDD2)
7 Floppy Drive (DSKT)
8 Front Panel Connector (FRONTPANEL)
Front Panel 1394 Connector
9
(FP_1394)
Chassis Intrusion Header
10
(INTRUDER)
11
PCI-X Card Slot (SLOT7)
PCI Express 2.0 x16 Card Slot, wired
12
as x4 (SLOT6)
13 PCI Card Slot (SLOT5)
PCI Express 2.0 x16 Card Slot
14
(SLOT4)
PCI Express 2.0 x16 Card Slot, wired
15
as x8 (SLOT3)
PCI Express 2.0 x16 Card Slot
16
(SLOT2)
PCI Express 2.0 x16 Card Slot, wired
17
as x8 (SLOT1)
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.

Clearing Forgotten Passwords

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 and set the jumper plug aside.
4. Replace the computer cover.
5. Connect your keyboard and mouse, then connect your computer and monitor to electrical outlets and turn them on.
6. After the operating system loads, turn the computer off.
Ensure that the computer is off and not in a power management mode. If you cannot shut down the computer using the
operating system, press and hold the power button for 4 seconds.
NOTE:
Ensure that the computer is off and not in a power management mode. If you cannot shut down the
computer using the operating system, press and hold the power button for 6 seconds.
7. Disconnect the keyboard and mouse, then disconnect the computer and monitor from their electrical outlets.
8. Press the power button on the computer to ground the system board.
9. Remove the computer cover.
10. Replace the 2-pin jumper plug onto pins 3 and 4 of the password connector (RTCRST_PSWD) on the system board.
NOTE: The password jumper plug must be reinstalled on the password jumper pins in order to enable the password
feature.
11. Connect your computer and devices to electrical outlets, and then turn them on.
NOTE:
In System Setup, both system and administrator password options appear as Not Set. The password feature
is enabled, but a password is not assigned.

Clearing CMOS Settings

22 CPU Riser 1 (CPU_RSR1)
23 Primary Processor Connector (CPU1)
24 Power Connector (POWER_CPU1)
25
Front Fan Connector (FAN_FRONT)
26 Card Cage Fan (FAN_CCAG)
27 Memory Module Connectors (DIMM1-6)
Optional Serial/PS2 Connector
28
(SERIAL2)
Auxiliary Hard-drive LED Connector
29
(AUX_LED)
30 Battery Socket (BATTERY)
31 Internal Speaker Connector (INT_SPKR)
32 Flexbay USB (INT_USB)
33 RTC Reset Jumper (RTCRST)