my preamp wont power up


Hi my pre has been unplugged for month.It now wont power up.The fuses are ok,i do live in a area with hi humidity. Any suggestions would be good thanks.
misternice
Yes,ive tried different tubes.there is a external and internal fuse,theyre ok.Unless there is another one somewhere
Check to see if the line has a ground fault protection duplex on it. Could be in the kitchen or bathroom.
There's a chance it tripped and should be reset.