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Packard Bell oneTwo M3830 / M3831 AIO Computer Service Guide
Clearing CMOS
You may need to clear the Setup configuration values (CMOS) if the configuration has been corrupted, or if
incorrect settings made in the Setup Utility caused error messages to be unreadable. This procedure will clear
the BIOS supervisor password as well.
Use the JBIOS1 jumper to clear the CMOS data.
•
1-2 position: Normal operation (default)
•
2-3 position: Clear CMOS data
To clear the CMOS data:
1.
Turn off the power to the computer and all peripherals.
2.
Unplug the power cord from the computer.
3.
Unplug the network cable and all connected peripheral devices from the computer.
4.
Place the computer on a flat, steady surface with the rear cover facing upward.
5.
Remove the computer stand, rubber feet, rear cover, and the I/O cable plate by following the procedures
described on pages 28–30.
6.
Remove the wall mount plate by following the procedure described on page 39.
7.
Remove the graphics card and HDD assemblies by following the procedures described on pages 43–46.
8.
If necessary, remove any other assemblies or cables that prevent access to the CMOS clear jumper.
9.
Locate the JBIOS1 jumper on the mainboard.
10.
Remove the jumper block and set it over the 2-3 pins for 20 to 30 seconds.
11.
Return the jumper block to its default 1-2 position.
12.
Reinstall the graphics card and HDD assemblies.
13.
Reinstall any any other assemblies or cables that have previously been removed.
14.
Reinstall the wall mount plate, I/O cable plate, rear cover, rubber feet, and the computer stand.
15.
Connect the power cord to the system.
16.
Press the power button
to turn on the computer.
17.
During POST, press
Delete
to access the Setup Utility.
18.
Press
F9
to load the system default values.
19.
Press
F10
to save the changes you made and close the Setup Utility.
Summary of Contents for oneTwo M3830
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