Table of Contents
Advertisement
Problem
USB device is not functioning.
The startup of a Windows
operating system on a GPT
data carrier is aborted with the
following error message:
"Status: 0xc0000225 Info: The
boot selection failed because a
required device is inaccessi-
ble".
Redundant power supply
Problem
Possible cause
Device failure de-
•
One module is not switched on
spite redundant
•
Both modules are connected so
power supply in
case of power fail-
the same AC circuit
ure
SIMATIC IPC1047E
Operating Instructions, 03/2021, A5E50259546-AA
Possible cause
The USB ports are disabled in BIOS.
USB 2.0 device connected although
USB 2.0 is disabled.
Operating system does not support
the USB ports.
The boot parameters in the boot
loader file "BCD" are incorrect or
damaged.
Possible remedy
•
•
Possible remedy
Enable the USB port or use a different USB port.
Enable USB 2.0.
•
Turn on USB Legacy Support for mouse and key-
board.
•
For other devices, you need the USB device driv-
ers for the required operating system.
Run "Startup and Repair" from Microsoft Windows:
1. Connect the USB stick (Recovery).
2. Start the boot manager using the <F12> key
during booting
3. Select the line with "UEFI" in front of the drive of
the USB stick.
4. Click "Next" in the language selection window.
5. In the following "Install Windows" dialog, click
"Repair your computer" or press the <R> key. The
"System Recovery Options" dialog appears. The
system is checked for errors.
6. Next, click "Repair and restart".
Switch on both modules
Connect modules to separate AC circuits
Technical support
A.2 Troubleshooting
117
Advertisement
Table of Contents
