Siemens SIMATIC Rack PC 840 V2 Getting Started page 32

Troubleshooting
7.1 General problems
USB device not
responding
DVD/CD: The front
loader does not open
7-2
The USB ports are
disabled in your BIOS.
USB 2.0 device
connected, but USB 2.0 is
disabled.
Operating system does
not support the USB port.
The device is switched
off, or the open/close
button is disabled by a
software application
Use a different USB port, or enable the port.
Switch on USB 2.0.
No remedy.
Emergency removal of the data medium:
1. Switch off the device
2. Insert a pin, for example, or an opened paper clip into the
emergency extraction opening of the drive. Apply slight pressure
to the contact until the front loader opens.
3. Pull the loader further out
SIMATIC Rack PC 840 V2
Getting Started, Edition 04/2004, A5E00248069-02