please could anyone advise me on how to get back the channel listings can watch programs but can not check whats coming on many thanks

I have lost everything on my Mag 254 all i have now is a blue screen with TV SYSTEM PAL (576i) Graphic res. 720x576 Boot mode DHCP# DEVICE INFO LOADER IFO IMAGE INFO UPGRADE TOOLS DEF.SETTINGS EXIT& save exit & discard CAN ANYONE PLEASE ADVISE ME ON HOW TO GET IT BACK UP AND RUNNING PLEASE