I have ubuntu 14.04 LTS and Windows vista .. both 32-bit.. dual-boot.. running on my laptop HP Compaq 6710b.
When I start the PC, the grub loader appears, then I select Ubuntu.. the Ubuntu login screen does not appear..but the login system sound plays and when I enter the root password.. the ubuntu home desktop appears..and from then on it works normally..
The issue is only the ubuntu login screen does not appear and I am entering my root password looking at a blank screen each time I boot :)
Please help me resolve this issue.