Commissioning the device and device functions 
  4.2 Switching the device on/off 
SIMATIC IPC277G 
Operating Instructions, 08/2021, A5E50059956-AA 
41 
Following the initial switch-on, the operating system pre-installed on the device is set up 
automatically on the device.  
 
Faulty installation 
If you change the default values in the BIOS setup or turn off the device during the 
installation, the operating system cannot be installed correctly. The operating safety of the 
device and the plant is at risk. 
Do not switch off the device during the entire installation process. Do not change the 
default values in the BIOS setup. 
Procedure - Switching on the device 
1.  Set the On/Off switch to "ON" position. 
The device carries out a self-test. During the self-test, the following message appears: 
Press Esc for Boot Options 
2.  Wait for the message to disappear. 
3.  Follow the instructions on the screen. 
Procedure - Switching off the device 
To turn off the device, always select the function "Start" > "Shut down". 
If the device is not going to be used for a long period of time after shutdown, set the On/Off 
switch to the "OFF" position after device has finished shutdown operation. 
Additional information 
Information on your operating system can be found on the Internet: 
•  Microsoft® Windows® 10 
(https://support.industry.siemens.com/cs/ww/en/view/109749498) 
•  Reinstalling the operating system (Page 66)