My new 2520 won't boot up...please help!!

[FAHMI BASSEM]

Hello!
After updating, the system crashed and asked to RESET, looks like the RESET process failed and the Lumia keeps on with blank screen.
How to fix? Note that I don't have the product key so clean installing isn't an option I believe?!?

 

[charlatan1978]

Try option 2 from this link.
How to Easily Master Format NOKIA LUMIA 2520 / RX-113 / RX-114 Tablet with Safety Hard Reset ? : Hard Reset & Factory Default Community

 

[FAHMI BASSEM]

Doesn't work, still booting a blank screen Thank you for help though!