Do you need help unbricking the Nexus 7 Tablet? Excluding the bricked device, here are a few items that you will need before, during and after the unbricking procedures.
* A Windows PC or Laptop with USB Ports
* A Nexus 7 Rooting Kit
* A Nexus 7 USB Sync/Charge Cable
Charge the unit that needs repair for at least thirty (30) minutes using the wall outlet to prevent the device from automatically shutting down itself during the procedure due to a low power state or sixty (60) minutes using your Windows PC or Laptop with USB Ports.
Once the unit that needs repair is charged, connect it to your Windows PC or Laptop using the USB Sync/Charge Cable then power it on into the Bootloader mode by holding both Up and Down Volume buttons and the power button. If Bootloader is no longer an option on your device, Asus or Google will have to replace your Nexus 7.
Using the Asus Nexus 7 Rooting Kit, push all the factory images needed once more to reboot the Android device correctly.