Dell Alienware Area 51 R2 Service Manual - Page 132

Flashing the BIOS - bios update

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4 Locate the CMOS jumper (CLEAR_CMOS1) 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 CMOS 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. Flashing the BIOS You may need to flash (update) the BIOS when an update is available or when you replace the system board. To flash the BIOS: 1 Turn on the computer. 2 Go to dell.com/support. 3 If you have your computer's Service Tag, type your computer's Service Tag and click Submit. If you do not have your computer's Service Tag, click Detect My Product to allow automatic detection of the Service Tag. NOTE: If the Service Tag cannot be detected automatically, select your product under the product categories. 4 Click Get Drivers and Downloads. 5 Click View All Drivers. 6 In the Operating System drop-down, select the operating system installed on your computer. 7 Click BIOS. 132

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4
Locate the CMOS jumper (CLEAR_CMOS1) 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 CMOS 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
.
Flashing the BIOS
You may need to flash (update) the BIOS when an update is available or when
you replace the system board. To flash the BIOS:
1
Turn on the computer.
2
Go to
dell.com/support
.
3
If you have your computer's Service Tag, type your computer's Service Tag
and click
Submit
.
If you do not have your computer's Service Tag, click
Detect My
Product
to allow automatic detection of the Service Tag.
NOTE:
If the Service Tag cannot be detected automatically, select
your product under the product categories.
4
Click
Get Drivers and Downloads
.
5
Click
View All Drivers
.
6
In the
Operating System
drop-down, select the operating system
installed on your computer.
7
Click
BIOS
.
132