Default [Q] couldnt switch on galaxy tab gt3100

hi every one ,i had bought a gt 3100 around one and a half years ago.since the warranty got over .i rooted it using odin.after rooting google play store stopped working.so i unrooted and rerooted again.still google play store did not work.so i installed mobogenie.installed google play store fixer and opened it.it said for me to restart the device but it displays the logo samsung galaxy tab 2 and then the screen is on but nothing is displayed.
.please dont suggest hard reset i already tried many a times.pls help.i had it rooted it has supersu.and it does not have any clock work mod.