MBox Pro, Not able to get any signal input from front panel

[dkaudio]

I have an MBox Pro and when I plug the mic into the front panel I get no input from the mic, now I've made sure that the front selector is on and I have phantom power, but I get nothing...when I switch to the back panel it works fine. I've tried to use a different phantom pwr source and that didn't work, a preamp, that didn't work, but I'm able to get signal in the back..could it be that my front panel is defective and might need repair, or is there some settings I need to make..also I get not headphone audio and I can only get signal from channels 1 and 2 from the back panel (I've tried the xlr inputs on the back for 3 and 4, no signal there either)...I'm stumped...HELP!!!!

windows 7
pt 10
mbox pro, I'm not sure what generation it is, I've had it for a couple of years now..

[dkaudio]

It is a 3rd generation. I'm wondering if the phantom power isn't working or if there is a setting in the control panel I'm missing..please advise

[JoelG]

Just curious, do the 1/4" front inputs work? And/or do you have a dynamic mic you can test that doesn't require phantom power?

Joel

[albee1952]

If the front panel is all dead, but the rear works, I would open the unit and look for a loose connection to the front PCB Most of these types of hardware have plastic multipin plugs to connect the various circuit boards and this wouldn't be the first Avid box to have a poor connection inside