[mmax]

Originally Posted by Aydan

dd if=/dev/sdd of=serial bs=512 skip=1 count 1
dd if=/dev/sdd of=hwinfo bs=512 skip=1024 count 1
dd if=/dev/sdd of=waveform bs=512 skip=14335 count 2

and copy those files onto the new sdcard with

dd if=serial of=/dev/sdd bs=512 seek=1
dd if=hwinfo of=/dev/sdd bs=512 seek=1024
dd if=waveform of=/dev/sdd bs=512 seek=14335

Regards
Aydan

PS: seek means go to position in output, skip means goto position in input

Thanks for your help but still the same problem ... the kobo's screen flashes a couple of times, LED lights up green, blue and keeps blinkning green :-(