Why isn't my Google Nexus 7 tab turning on?

[Soumen Choudhury]

hi.my name is soumen.i have a Google nexus 7 tab.but my tab is not turning on.

i m trying to root the device with towel root app.then i install super su.after finishing install super su,the Google play has stop and tab is going to reboot.but after that my tab not turning on.one 4 color cross appearing in the screen and blinking.tab is fully charged.i m trying recovery mode now.how may time its need to recover.or i have to try any other thing?please help me. s

 

[Golfdriver97]

Re: hi.my name is soumen.i have a Google nexus 7 tab.but my tab is not turning on.

Welcome to Android Central Soumen. If the Kernel was made after June 2nd, towelroot won't work. You can find the kernel build date in Settings>about device.