my dell laptop (inspirion r 3521) was low on battery so i kept on sleep mode..after charging when i press power buton it started with a black screen with no cursor...and not appear any booting screen and after some time start tick ..tick a long sound .....please help me
i have window 8 os.
You seem to be stuck in hibernation - try the following:
1. unplug the power adapter from the wall and remove the battery
2. press and hold down the power button for 60 seconds
3. replace the battery and plug back into the wall socket
4. try to restart as normal