Are you talking about opening a RAW file from Bridge? Or using the Camera RAW filter from inside Photoshop? If the former, exactly what camera did the RAW files come from? If it is a very new model, ACR might not support it yet. Can you describe in more detial what 'information' appears in stead of the image? (much) Better still, take a screen grab and upload it here.
Also, tell us what operating system you are using.