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A premium notebook PC, with a product number of sNB128UA#ABA

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Why is my screen not turning on?

I turn on my computer but the screen won't turn on. The computer is running and everything but the screen just doesn't turn on.

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Take a flashlight when the computer is turned on, shine it on the screen and look very closely. If you see a a very faint image then you are in luck, it is not the LCD cable that has come loose. it is either:

- The inverter

- High voltage transformer

- The lamps in the screen

- The lamps that actually supply the light for the back-light.

There is no way to tell which one is causing the actual problem, but the easiest and least expensive is the inverter.

If the problem turns out to not be your inverter, then it is most likley your lamps.

If your screen is totally blank, then you are going to have to check your LCD cable. It can either be lose, or it needs to be replaced.

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Hello Marshall,

I’ve begun experiencing the same issue with HDX18 -1000 CTO Premium Notebook / FW314AV Pavilion.

When laptop is turned on, screen flicker with slight buzzing noise and sometimes stays illuminated however, most times goes dark.

I’ve confirmed seeing desktop images / icons etc., very faint on screen when I shine a flashlight directly on it. I’ve since connected laptop to LCD TV vie HDMI cable to view. Ithink it may be LCD inverter board, and would like to confirm where its located, and if the HDX 18 has one or two installed (dual Lamp LCD screen inverter board).I believe part # is TBD512NR / AS023220500. The HP HDX 16 Entertainment PC, Maintenance and Service Guide (Document Part Number: 487263-001), references the following part; HP NTSC/ATSC/ANG TV tuner module / Part 482899-001). See attached photo.

Link to HP HDX 18 Entertainment PC Maintenance and Service Guide Document Part Number: 487262-001

FY!: I also posted inquiry in the following discussion; HP HDX 16-1160US Keyboard Replacement By: Daniel McBroom

It was prior to coming across this post.

Your time and any assistance is greatly appreciated, thank you.

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