It looks like to me you have lost recovery so i believe the post below will help you

http://forum.gtvhacker.com/revue/topic254.html

Just thinking out load

You did format the pen and you did rename it to update and you have done alt-l fingers pressed down
Try hitting alt- L 20-30 TIMES REAL FAST. and have you tried to get into recovery with no usb stick inserted dont know if you can but worth a try

Other than that mate not ...

No, I'm still not able get recovery mode.

Just thinking out load

You did format the pen and you did rename it to update and you have done alt-l fingers pressed down
Try hitting alt- L 20-30 TIMES REAL FAST. and have you tried to get into recovery with no usb stick inserted dont know if you can ...

So I tried to hold sink button, to hold ALT+S, ALT+L, FN-LEFT while reboot from power or sink button with two different USB stick in any usb ports formated FAT32 with update.zip and unpacked data from this file.

I did as previous time when I got this $%#&% update :(

turn off revue
turn on
count ...

Just to let you all know
I am from the UK so did not think i would get the update OTA so installed the beta 3.1 then downloaded the OTA 3.1 but like others i could not get back into recovery like every one else
So i tried all combination of keys with no look then i remembered reading on here if you ...