laptop screen gets lines when moved around

[bagellad]

Humm now why do you assume its a new inverter and not a new screen? I am just curious, as I am still learning about laptops.

 

[computergeek1]

Humm now why do you assume its a new inverter and not a new screen? I am just curious, as I am still learning about laptops.

if you have a flash light, look at the screen with the flash light, if you see windows then it's the inverter.

 

[computergeek1]

Humm now why do you assume its a new inverter and not a new screen? I am just curious, as I am still learning about laptops.

Also don't forget if you want to view the laptop to a external monitor, you have to change the settings in the bios, if you still can't view it on the external monitor, you may have a video problem

 

[atlanticjim]

I have also been dragged kicking and screaming into laptop repairs but that is where 80% of my work is now. So. . without hijacking the thread, here is my advice. Know your limitations and don't promise beyond what you really can accomplish. Collect some old laptops and tear them down and put them together. Collect your screws on a piece of styrofoam so you remember which goes were (and therefore do not punch a hole in the MB on reassembly. Get the nylon probes. Get a good gooseneck magnifying light. Keep www.laptoprepair101.com in your bookmarks and when you have a spare minute. . . . read random things. Link to as many laptop SERVICE manuals as you can find, or better yet, save the pdfs for future reference on the same unit.

Just some thoughts.

 

[bagellad]

But how would you do that if the screen isn't working? the Light is still on.. the screen is just blank now.. with some little blue lines of colour.

 

[NYJimbo]

Well now it is gone to just a couple rectangles and flashes and a dark screen, nothing seems to come up on the display from an external monitor but i know it was working before, with the graphic error. Would I be correct in assuming its new screen time?

You wouldnt happen to have a digital camera you could take a picture with and upload it so we could see what this looks like?

 

[batemantech]

Yeah laptop repair is nice if you are one of the few that do it. Especially DC jack repairs. I have had people bring them in where they took it to a friend or another pc guy and had it totally screwed up. Tons of solder and burnt up.

 

[RevivedCS]

Laptop repair is a hot commodity right now. Most of the pc repair shops near you will send you their laptop repairs that they can't do. Don't rush in though.

DC jack repairs are good. +1 batemantech. Over time, you'll be able to diagnose laptop problems very easily(after about 1-2 years). I too would take a laptop repair any day over a pc repair.

 

[bagellad]

yes, ive seen the statistics of laptop sales. I need to learn this stuff.. That being said.. Heres an update..


Laptop isn't "dark", you can see the images on the screen. but images appear as distorted fast moving squares, similar colour to what is on the screen.

Also when screen is on it makes a loud buzzing noise now.

External display works fine with key combination. Thanks michana for the assist on that one. So it is definitely the screen, or cord.

Is there any way to test the cord with a multimeter or something?

 

[JRDtechnet]

take a picture of the fast moving squares for us. Right now though I'm inclined to lean towards faulty lcd, namely the LCD IC...the thing that says "DO NOT TOUCH" but since that's not replaceable you'll have to get a new LCD. See if your buzzing sound is coming from that IC and then you'll know.

 

[computergeek1]

yes, ive seen the statistics of laptop sales. I need to learn this stuff.. That being said.. Heres an update..


Laptop isn't "dark", you can see the images on the screen. but images appear as distorted fast moving squares, similar colour to what is on the screen.

Also when screen is on it makes a loud buzzing noise now.

External display works fine with key combination. Thanks michana for the assist on that one. So it is definitely the screen, or cord.

Is there any way to test the cord with a multimeter or something?

The buzzing noice you can hear is coming from the inverter, if you strip the screen out and put you ear next to the inverter you will see thats where the buzzing is coming from, i still say you need to replace the inverter.

 

[MrUnknown]

im not sure why you are saying inverter, seeing how that powers the backlight and has nothing to do with displaying the images on the screen.

 

[computergeek1]

im not sure why you are saying inverter, seeing how that powers the backlight and has nothing to do with displaying the images on the screen.

The buzzing noise is a sign that it is the inverter, where is the buzzing noice coming from?

 

[MrUnknown]

The inverter may be going, but I do not see how this will affact the images on the actual screen, besides making them dim or hard to see.

I will admit that I may not be the best at diagnosing laptops, but I am not aware of a bad or dying inverter causing the actual images on the screen to mess up.

maybe I amreading your responseses wrong and you're only trying to fix the buzzing, not the graphics issues.

 

[computergeek1]

The inverter may be going, but I do not see how this will affact the images on the actual screen, besides making them dim or hard to see.

I will admit that I may not be the best at diagnosing laptops, but I am not aware of a bad or dying inverter causing the actual images on the screen to mess up.

maybe I amreading your responseses wrong and you're only trying to fix the buzzing, not the graphics issues.

You may have more then one problem, order a new cable and see if that corrects the problem, there are not that expensive.

 

[computergeek1]

Can you post picture so we can see the problem

 

[bagellad]

THis is while loading up

This is while in windows, i hit the start button thats why the blue thing is up. The customer has a black background.

 

[bagellad]

Alright I added the new pictures. Can everyone see them now?

 

[Doctor Micro]

Order a new cable assembly, please.

Rationale: Works ok with external monitor (rules out the graphics card/onboard graphics). You get something on the screen (CCFL probably OK). Inverter may also be bad, but try the cable assembly first. Symptoms earlier described as changing when the laptop lid was moved or jiggled (big clue). Loose hinges (another big clue).

 

[bagellad]

Actually the hinges were kind of loose.. now that you mention it.. but how is that a hint of a bad cable?