Dell Alienware Area 51 R2 Service Manual - Page 131

Clearing CMOS Settings

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NOTE: The computer must be disconnected from the electrical outlet to clear the CMOS setting. 1 Lay the chassis on the left side. 2 Remove the stability foot 3 Remove both the left and right side-panel. See "Removing the Side Panels". 4 Locate the password reset jumper (PASSWORD1) on the system board. See "System Board Components". 5 Remove the jumper plug from pins 2 and 3 and fix it on pins 1 and 2. 6 Wait for approximately five seconds to clear the password setting. 7 Remove the jumper plug from pins 1 and 2 and replace it on pins 2 and 3. 1 pin 1 3 pin 3 2 pin 2 4 jumper plug 8 Replace the left side-panel. See "Replacing the Side Panels". 9 Replace the stability foot. 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 dell.com/regulatory_compliance. 1 Lay the system on the right side. 2 Remove the stability foot 3 Remove the both the left and right side-panels. See "Removing the Side Panels". 131

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NOTE:
The computer must be disconnected from the electrical outlet to
clear the CMOS setting.
1
Lay the chassis on the left side.
2
Remove the
stability foot
3
Remove both the left and right side-panel. See "
Removing the Side Panels
”.
4
Locate the password reset jumper (PASSWORD1) on the system board. See
"
System Board Components
”.
5
Remove the jumper plug from pins 2 and 3 and fix it on pins 1 and 2.
6
Wait for approximately five seconds to clear the password setting.
7
Remove the jumper plug from pins 1 and 2 and replace it on pins 2 and 3.
1
pin 1
2
pin 2
3
pin 3
4
jumper plug
8
Replace the left side-panel. See "
Replacing the Side Panels
”.
9
Replace the
stability foot
.
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
dell.com/regulatory_compliance.
1
Lay the system on the right side.
2
Remove the
stability foot
3
Remove the both the left and right side-panels. See “
Removing the Side
Panels
”.
131