Rockwell-automation 6189V-xxxx Non-display Industrial Computers User M Manual de usuario descargar pdf (Pagina 89)

Rockwell Automation Publication 6177R-UM002D-EN-P - October 2014 89

System Troubleshooting Chapter 6

Clear the UEFI

You must clear the system configuration values that are stored in the UEFI if the

following conditions are present:

• The system configuration has been corrupted

• An incorrect setting has caused error messages to be unreadable

• You cannot access the UEFI set-up utility to load the system defaults

Follow these steps to clear the UEFI.

1. Back up all system data and then shut down the computer.

2. Follow the steps for Pre-configuration

on page 36.

3. Remove the cover as detailed in Remove the Cover

on page 38.

4. Locate the Clear UEFI (CMOS1) jumper

on the motherboard.

See Figure 5 on page 17

for its location.

5. Remove the jumper block from its default

position (over pins 1 and 2).

6. Place the jumper block over pins 2 and 3

for 10 seconds.

7. Return the jumper block to its default

position.

8. Reinstall the cover as detailed in Reinstall the Cover

on page 39.

9. Follow the steps for Post-configuration

on page 37.

10. During POST, press F2 on an attached keyboard to access the UEFI set-up

utility and reconfigure settings.

IMPORTANT

Use an antistatic wriststrap that is connected to a grounded surface.

IMPORTANT

The jumper block must be returned to its default position over pins 1

and 2. The computer does not start if you leave the jumper block over

pins 2 and 3.

IMPORTANT

When you clear the UEFI, all UEFI settings return to their defaults. Settings

other than default must be reconfigured after the UEFI is cleared.

123

Jumper

Block

Default

Position

Clear UEFI

Position

Pins

1 2 ... 84 85 86 87 88 89 90 91 92 93 94 ... 107 108

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