Have you applied the patch? Share your results in the comments. For the original patch file, search the Internet Archive for "Xtreamer Prodigy 4.2.8 fix".
His Xtreamer Prodigy on firmware 4.2.8 started acting up: xtreamer prodigy firmware 42 28 fix
: While the machine is OFF, press and hold the Power button for approximately 10–12 seconds. Keep it pressed until the blue LED light turns on and then off again. Have you applied the patch
This patch is not signed by Xtreamer. It disables signature verification in the bootloader. Proceed at your own risk. xtreamer prodigy firmware 42 28 fix