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2 wires leading to Compaq Presario F750US display screen's "lid closed sensor are severed somehow

Tags:
  • Presario
  • Display
  • Compaq
October 1, 2014 10:51:28 AM

Hello to all...my first post and any help will be greatly appreciated.

After fixing a friends Asus laptop........I bartered for a Compaq Presario F750US with display issues.

My friend told me there was an issue with the screen going dim but the first time I ran it it was completely fine for an hour.

Bingo !!
I thought I had it made.
Not the case as it did go completely dim.

Now it boots up and run fine but the screen will start to waver / flicker / appear pinkish / and go dim after only about twenty seconds to a minute.

The display can still be seen with a flashlight.
An external flat screen could also be seen fine.

I already tried a new Compaq Presario F750US laptop LCD screen back-light inverter but it is no help.

Could not see the forest for the trees maybe but after removing the cosmetic bezel around the display screen for possible replacement of the screen I noticed that the two wires leading from the main body / keyboard area going to the "lid closed sensor" were severed...duh !

I am seeking help from you fine folks as to a suggested plan of attack from here.

There is one black and one red wire with black sheathing that lead upward to the "lid closed sensor."

The bundled set of wires is in the extreme upper left portion of the computers main body .

Their location on the display screen is at the extreme lower left portion of the display.

There is nothing visible going from the main body to the severed wires.

I guess I'll have to remove the main cover and keyboard to get a glimpse at what I'm looking for.

I have no clue how they were severed or if their "mates" in the main body of the laptop are just laying there waiting to be found and reconnected.

I have the factory service manual for this unit that helps but I'm still not there solving this puzzle
[ not even close]

Thanks In Advance Folks,
Roy


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