Qosmio X770 starts up with no display.

My Qosmio X770 starts up normally but with no display, I tried connecting it to an external monitor but still nothing.
Sometimes I turn on the computer and the display goes on normally, I restart and it's gone again for another long period of no display. it's kind of random.. I opened it up and I didnt notice anything wrong, I cleaned it up and put it back together, turned it on and it worked.. then a few days later it blacked out again. This has been going on since the first week I bought the laptop a year and a half ago.. I never had the time to take it to the repair shop, as im always on the move, and now the warranty has expired and im looking for an easy fix up, if possible?
When I opened it up I noticed the case was kind of crumbling.. the plastic easily breaks. so I'm wondering if anyone else has these problems.. lousy plastic body and a faulty display.
Any help, suggestions are appreciated.

Intermittent problems are typically the hardest to diagnose. But let me try. Usually you can get an external monitor to show a display by doing an FN-F5 key combination. Hopefully you tried that. A black screen on the LCD can mean a bad LCD screen, bad FL inverter or a loose or bad cable. But if the external monitor doesn't work either then it goes down to the system board being at fault. With everything now being integrated into the system board including the video card, if the video isn't working internally or externally, the only fix is to replace the system board.

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Start up with no display

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Tiffany~

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Link to Your Service Manual
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I dont know which BSOD have you noticed (error code) and what can be the reason. Have you tried to reinstall recovery image and test functionality with factory settings again?
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ok thats what i thought its supposed to do
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Hello.
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PS. Excuse my bad english. Not an english speaker.

If something you're installing is interfering, try using System Restore to restore a previous restore point from before this became an issue.
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Qosmio X770 screen is definitely not as bright as other laptops

I have visited SEVERAL retail stores selling the Qosmio X770 and the X770's screen is definitely NOT as bright as other laptops such as Satellite even other models of Qosmio.
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I've even opened up Notepad in Windows when comparing laptops and I noticed that not only is the X770 less bright, it has a lower "whiteness level". The white space (eg. in Notepad or when browsing the web) is "less white". The whiteness seems very dull in the X770 compared to other laptops.
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Hi
I dont have the X770 Qosmio but Ive got the U400 and a Tecra A11.
The display of U400 is brighter as the Tecra A11 display.
The point is that Tecra A11 is equipped with different LCD panel.
Type of Lighting is Sidelight, LED and the Brightness NIT (value) at 8 level (highest level) is220.
The U400 is equipped wit other LCD display and the Brightness NIT (value) at 8 level is 250.
So its 30NIT higher then on display using by Tecra A11
The X770 supports the 17.3"(HD+) display and the Brightness NIT at 8 level is 220NIT
So its the same brightness like on Tecra A11 but is dimmer as on display of U400.
But this is not a display fault or hardware problem. Its simply different kind of display.. you know
Personally I like both... both displays have advantages and disadvatages in the usage...

Qosmio X770 starts up with no display.

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