8855!! power ups.. But no display...

hi all,
when i power up my 8855 the lcd screen blinks as if the mcu has booted up all correctly. but after that no display and after say about 30 sec, if switched off. i gave it full flash and evry type of every version of flash.

1 prob i face by flashing it by xpmobile 2002 is that when it is 100% it says "Error: MCU cannot restart"

plz comment on this.
then i flashed it with rolis as 3330. it flashed it ok but the same prob described above.

plz help

Naman

1 more important thing is that when i flashed the phone with a file which had fading lights on/off.,, and power up the phone,, i light fading was perfect , which means that phone is accepting the mcu correctly.

I HAD EXACTLY THE SAME PROBLEM WITH A 5210. I TOOK THE FONE DOWN TO A NOKIA REPAIR CENTRE AND WITHIN THE HOUR IT WAS FULLY FIXED !

BUT THEY WOULDNT TELL ME WHAT IT WAS - THEY JUST SAID SOFTWARE FAULT, AND I SAID ITS MORE THAN THAT --- BUT THEY KEPT QUIET !