5.4.0.13150 not working with 19 rack ok on toester

  • hi
    can anyone through any light on this.
    the new 5.4.0.13150 will not run on my rack. it will load . but the input and output LEDS are glowing and no sound at all.
    i have to then use Rig manager to put back the os to 5.3 reboot reload settings and ok..
    BUt this only happens on my 19" rack the old Toester is fine
    Help please


    ps also all the efx leds dont switch of if you hold button down the button the dissplay will show of but leds always on.
    again if i go back to 5.3 it works ok. any others having this problem
    i have now got it running on 5.3 again all ok. so downloaded frtesh copy of 5.4 beta still same problem all loads ok reboots but then back to
    no sound
    input / output leds alwaays on
    this time loud buz
    reloaded 5.3 ok

    Steve
    Mainly my own built valve amps and Kemper

    Edited once, last by Stevebeale ().