Dell Alienware Aurora R7 Aurora R7 Service Manual - Page 107

Clearing CMOS Settings, Post-requisites, Procedure

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9 Replace the jumper plug on pins 215. Figure 57. Clearing forgotten passwords 1 jumper plug 2 P215 Post-requisites 1 Follow the procedure from step 10 to step 11 in "Replacing the power-supply unit". 2 Replace the left-side cover. Clearing CMOS Settings WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites 1 Remove the left-side cover. 2 Follow the procedure from step 1 to step 4 in "Removing the power-supply unit". Procedure 1 Locate the CMOS jumper (P217) on the system board. For information on the location of the CMOS jumper, see "System-board components". 2 Disconnect the system-board power cable from the system board. 3 Remove the jumper plug from pins 217 and replace it on pins 216 (P216). 4 Wait for 5 seconds. 5 Remove the jumper plug from pins 216 and replace it on pins 217. 107

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9
Replace the jumper plug on pins 215.
Figure 57. Clearing forgotten passwords
1
jumper plug
2
P215
Post-requisites
1
Follow the procedure from step 10 to step 11 in "
Replacing the power-supply unit
".
2
Replace the
left-side cover
.
Clearing CMOS Settings
WARNING: Before working inside your computer, read the safety information that shipped with your computer and
follow the steps in
Before working inside your computer
. After working inside your computer, follow the instructions
in
After working inside your computer
. For more safety best practices, see the Regulatory Compliance home page at
www.dell.com/regulatory_compliance
.
Prerequisites
1
Remove the
left-side cover
.
2
Follow the procedure from step 1 to step 4 in "
Removing the power-supply unit
".
Procedure
1
Locate the CMOS jumper (P217) on the system board.
For information on the location of the CMOS jumper, see "
System-board components
".
2
Disconnect the system-board power cable from the system board.
3
Remove the jumper plug from pins 217 and replace it on pins 216 (P216).
4
Wait for 5 seconds.
5
Remove the jumper plug from pins 216 and replace it on pins 217.
107