Where can I find the lid closed switch on sony vaio vpcej3t1

June 24, 2013 at 05:01:18
Specs: Windows 7 ultimate x64, intel core i5 2.5GH dual core/6GB
When I turn on my laptop, the screen is extremely dark I can hardly see anything. I've connected another monitor and it worked well. I've tested the connector from the motherboard to the monitor and there is no problem with it. I've also tested the inverter and there is continuity. There is also no problem from the motherboard to inverter. I want to believe it's the switch used to turn off the display when the lid is closed that might have stuck. It is usually located near the hinges but I could not find it on my vaio vpcej3t1e. Please can someone help me locate the switch? Thanks.

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June 24, 2013 at 05:29:19
If it were the switch it would be completely blank, not just dark, so you can rule out that possibility.

It is almost certainly a problem with the inverter or the back light, both of which can be replaced with reasonable care.


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June 25, 2013 at 07:24:22
I've opened the computer again. When I turned on the machine I observed from beneath the screen that the backlight was on but I couldn't see any image on the screen. Is it possible that the inverter isn't supplying enough power to the backlight? Is it possible that it's the switch (or sensor) I mentioned earlier that might be faulty? Please help.

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June 26, 2013 at 00:18:11
The backlight is now working. I believe it was the connector to the inverter that was not fixed properly. After I opened it yesterday I tried removing it and fixing it again and it was after then that I noticed the backlight coming on. The thing is I have solved 1 problem and created another. Now no image is visible on the screen and this is likely the video cable. Now I know it's not the switch. Now I know what the problem might be and it'll be less expensive to change the video cable than the inverter or backlight. If anyone has any suggestion on this please post, maybe I don't need to change the cable. Thanks for your replies.

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