I found this adaptor to work extremely well, but not immediately. I followed the instructions, i.e scart to scart; HDMI to HDMI; power to TVs USB, but found that each time I needed the DVD player connected via this adaptor, I had to pull out the power plug and reinesrt. However, and this may be of use to other users who have faced a similar difficulty, I have a multiplug tower for all my TV related items and it included 4 USB sockets. Using one of these, the adaptor works perfectly. I can only summise that the power my TV sends to the USB ports, is not sent until it registers a new connection? Who knows, but using a non-TV USB power source, the adaptor works exactly as described with an excellent upscaled picture and high quality sound.