Technical support
A.2 Troubleshooting
SIMATIC IPC127E
Operating Instructions, 01/2019, A5E44296915-AA
85
USB device not responding The USB ports are not correctly
supported.
• Turn on USB Legacy Support for mouse and
keyboard.
• For other devices, you need the USB device
drivers for the required operating system.
"chkdsk" is not functioning UWF (Unified Write Filter) is active.
The "chkdsk" command is not
supported if the UWF is activated.
Deactivate the UWF or use an alternative method to
"chkdsk".