My Sony laptop, and why the power light will start, but the screen does not light ah?
Users questions: Ah ~
Experts answer: reloading did not recommend using the BIOS back to factory settings, see if you can enter safe mode, what if you can repair the system, or if the boot does not show, you need to start maintenance, at least the BIOS battery discharge (recovery BIOS factory default) plug what was Card, memory, clean up health and polished graphics, memory cheat. If you always boot no display, and can not boot repair, recommended repair (not necessarily a big failure, look at the hardware may be able to plug into the system).