As per http://www.dell.com/support/drivers/us/en/19/Product/xps-15z a newer BIOS (A11) is available. Any change on the black screen problem if you upgrade to this?
As per http:// www.dell. com/support/ drivers/ us/en/19/ Product/ xps-15z a newer BIOS (A11) is available. Any change on the black screen problem if you upgrade to this?