Samsung Galaxy Tab GT-P1000 won't come up

[Emma Ajoku]

i have rebooted severally,tried going into the recovery mode,tried factory reset/wipe data or rebooting but all shows error sign.
It is not recognized by the pc when plugged using the USB cable.Have tried different cables on different PCs.

 

[popatim]

How far can u get int eh hard factory reset?
Did you remove the SD card?