Question about Computers & Internet
Problem can be;
1) Graphics chipset
2) Video Cable
3) screen Inverter (IF Used)
4) LCD screen
Diagnose to find out.
I need the laptop manufacturer name, and model number.
Model number can be found on the Bottom of the laptop.
Post back in a Comment.
A) Graphics chipset:
An external monitor is used to check, and see if the display is also pinkish on it; or it is OK. Info posted I need, I will detail this procedure out step by step.
Display good on external monitor means graphics chipset is OK.
(Mounting is usually the problem)
Means problem is screen Inverter (IF used), or Video Cable, or LCD screen.
B) Video Cable:
The Video Cable connects to the motherboard, in an area under the Keyboard, or under the Switch Cover.
(Depending on laptop design, Switch Cover may be an integral part of Palm Rest Cover)
From there it leads under, or close by the left Hinge; and then goes up into the Display Assembly.
IF, a screen Inverter is used, the Video Cable has a separate small cable that branches off; and connects to one side of the screen Inverter.
The main part of the Video Cable connects to the back of the LCD screen.
Just due to normal repeated opening, and closing of the laptop; the Video Cable may become pulled on, and/or pinched.
This can lead to a loose connection at the motherboard side, or LCD screen side. (and/or screen Inverter, IF screen Inverter is used)
Can also lead to a damaged Video Cable. (Stretched/Broken wires inside it)
This can cause a pinkish screen.
C) screen Inverter:
With Backlighting that uses CCFL/s for a Backlight, a screen Inverter is used.
(Cold Cathode Fluorescent Lamp)
For Backlighting that is LED, a screen Inverter MAY, or MAY NOT be used.
(First design LED backlighting seemed to. Later design LED backlighting, does not. Light Emitting Diode)
A screen Inverter is used to convert the power (Electricity), from the laptop; for the LCD screen and Backlight.
Screen Inverter going out, can cause a pinkish screen.
D) LCD screen:
Graphics chipset is good, Video Cable connections are good; no damaged Video Cable, screen Inverter is good (IF used); problem is LCD screen.
Awaiting manufacturer name, and model number.
Posted on Apr 30, 2013
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Posted on Jan 02, 2017
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