Hi, I need help here. I have been searching on google and reading several articles trying to figure what's going on. Here is my situation.
I have a Sony laptop, model number is PCG-7142L. This is a Windows Vista Home Premium OEMAct system. Service tag is C6U0K0HG. Everytime I turned on the power, I can see the power LED light turned on (I can hear the system was running) and within 5 second, the light turned off (with a very tiny sound and then no any sound at all) and then in a second, the power LCD light turn on again. However, nothing showing on my screen. I mean nothing. not even showing the mouse arrow.
I have tried to hold F12 or F8 or "shift" Key and almost all keys on the keyboard but just nothing happening at all. I also tried to hook up another desktop monitor because I suspect the problem was my Sony Laptop screen was dead but still showing noting on that desktop monitor. I also tried to take off the battery and unplug the power for days and re-start my laptop, but nothing.
Here is probably my last hope before I throw my laptop to the wall. Can someone help me here.