bb 9900 charging solution

Few hours ago I taked my Bold 9900 battery off to put another SIM (I turned off my Bold, then took out battery) 5 minutes late I set my SIM card and my battery back to my BB Bold 9900, red light turn on as usual but then nothing happened. bb 9980 The problem is: My Blackberry Bold 9900 won't turn on. flash blackberry 9900 When I put battery into the device red light turn on