htc one x(att) stuck in cm 10 bootscreen with no access to bootloader

hey guys.. i need your help please.. i tried flashing cm10 on my htc, but forgot to wipe cache and dalvik before flashing.. i then flashed boot.img.. i restarted and now am stuck at cyanogen bootscreen.. no access to bootloader.. adb says device is offline.. i have tried everything to get to bootloader but it just restarts to bootscreen... any help would be appereciated.. thanks