Service and maintenance
11.12 BIOS Recovery
SIMATIC HMI IPC677C
162
Operating Instructions, 04/2013, A5E02722710-04
11.12
BIOS Recovery
The "BIOS-Recovery" function is used to reinstall the device when a BIOS is unusable.
The recovery resets all the BIOS setup settings to the default values. After successful
recovery, you will need to make these settings again if you require any customer-specific
values.
Procedure
1.
Switch off the device.
2.
Remove the device cover.
3.
Install a jumper at
①
on the "Recovery" interface.
4.
Close the device cover.
5.
Place the Siemens BIOS Update USB stick into an USB slot of the device front.
6.
Connect the power supply and switch on the device.
Recovery is executed automatically and cannot be interrupted or operated. The recovery
progress will be displayed on the screen.
7.
Complete the recovery:
–
Switch off the device.
–
Remove the device cover, plug the jumper
①
to "Park position" and close the device
cover.
–
Remove the USB stick.
–
Switch on the device.
–
Call up the BIOS Setup by pressing the F2 key. If necessary, reset the Setup values.