Same problem here when trying to install 10.10 with an USB stick on a Sony VAIO VGN-P688. I can install 9.10 on the same notebook with no problems using the same USB stick.
Same problem here when trying to install 10.10 with an USB stick on a Sony VAIO VGN-P688. I can install 9.10 on the same notebook with no problems using the same USB stick.