Tablet [Q] samsung tab not booting up

hi all

my samsung tab is not booting up.when t force reseting it by pressing the power button and the volume up key simultaneosly it is is just staying at the booting image with an error icon on it.i have attached also the image.pls help me guys.
Attached Thumbnails
Click image for larger version

Name:	IMG_20140116_123849.jpg
Views:	687
Size:	255.2 KB
ID:	2519418