after installing r8

[Guest debbie24]

after installing r8 my advent vega wont turn on please help

[Guest add.thebad]

after installing r8 my advent vega wont turn on please help

read this and try agian

sounds like you've bricked it but the vega is easy to recover

[Guest simonta]

Hold down power for at least 8 seconds. Release it. Hold power until the backlight comes on then release it. Then just wait. Sometimes it can take a couple of attempts after flashing. Good luck.