Image flicker. Fault of LCD or cable?

Got my second G73JH running but now it has a problem were the screen will flicker + folders and detail are not sharp (@ 1920x1080 am not able to read folder names) . Its like a discoball

It is connected via HDMI to the input of the M17x R3 and on that the image is good so not a fault of the GPU and MoBo.
I recall having a problem with my first G73JH were the LCD cable was crushed under the rear cover and the screen was white but this is just silly. What do you guys think? more of a cable problem or the screen is almost dead ?

Uploaded a video on youtube.

 

Does it do the same when you run it on an external screen, not a laptop HDMI input?

The fact it is intermittent screams LCD cable to me, they were always getting caught under that bloody panel I tore a hole in my one during a disassembly once.

Assume Temps are all good and DIE and Pads all making good contact? Most probably just a loose cable though fingers crossed not damaged.

 

Can try an old VGA monitor tomorrow and a HDMI tv but i think it will be the same as in the video. The image starts flickering as soon as I press the start button. Temps seem to be OK. Idles at 54c, shader is 57c. The 15 min i tested skyrim i got a max of 73C and the fans kicked in a for a sec.

Hmm. Well ill test it with a nother screen and then will try looking at the cable that goes to the screen.

 

£5 on the Cable at 2:1 odds on. I will take 4:1 that it is loose at the connector centre of the motherboard ;0)

 

Well tested VGA and HDMI TV. The image on external screens is crisp. Working as should. Even did a furmark test to rule out the GPU. 82°C max was the temp and the image did not flicker on the external screens.

Nop Yiddo. The connector was pluged in as it should. After taking it apart and looking everything over i did not manage to get it working. Still flickers. So bad cable then?. I even took the screen apart and removed the cable from there. Moving the cable when notebook is on has no effect what so ever. It looks OK but might be damaged inside.

 

Seems like the cable. you can also try to move the screen to different angles and see if the issue is the same or if it gets worst that help to confirm if its the cable

 

Tricky one, could be a bad cable or could be a something driver related I suppose if it only happens when running dual screens. No crush marks or signs of damage on the cable?

 

No it is only on the notebooks screen. I just tested it with external monitor to rule out the GPU. The cable as said looks OK.

When i got the notebook it was on 209 bios aswell. Did the flashing via USB flashdrive to 213. Installed new video drivers and chipset. Nothing. It is just the screen that is off and acting cucu. Will take a look tomorrow if one of my salavage notebook asus U3 has the same connector as the G73jh. If it does then might try the 13 inch screen. If that has the same problem then its the mobo. if not then back to the cable or the LCD with would be bad as they cost over 100£


Moving screen or pulling, pushing, bending the cable does not make a dif.

 

I dont know what i did exactly but now it is flickering much much slower. I removed the tape from the cable and now the screen changes color from green, red, blue and white. Then for a sec the color turns to normal then the same cycle again. No line dou now. I ordered a new cable as it was 35 USD + free shipping.

A nother option i might try if the cable does not work is take my gf-s JH apart and test the screen.

 

The power and ground cables for the screen are insulated within the insulated cable but i've had times where i would be bending a cable to find the fault and it would short and start the fabric insulation on fire. With that being said, I'm glad to see you ordered a new cable.

 

Hmm thats odd. When i removed the tape the wires was all bundled up. I did not remove all of the tape just the length to the lids hinge. Do not want it to burn

Here is how it look.


And normal....well not fully normal as there seemes to odd number of pixles. (Its like one strand of pixles is then next is dead and then working again ...and so on ). You are not able to make out a lot of words and textures on the screen. The notebook on the wallpaper look blocky)

 

Well got my new cable form hong kong and damn

The screen when full retard on me.




It is not flickering anymore but damn that is messed up Looks like i will have to try to to but the cable again. Strange is when placing the cables, the mobo side connector looks like a mirror image of the one that i had. Is it even possible to connect the wrong way ? Will have to take it apart again :/ but seems that im getting there

 

Well this is getting weirder and weirder. With old cable skinned (the tape removed ) i am able to get the image to stop flickering if I move the mobo side plug wires however the image is not sharp. Color is OK. With the new cable moving anything does not help. No flicker but color is messed up.

Will have to talk my gf into letting me disable her JH to test the screen. Could it realy be a problem with screen or is it yet again the mobo?

 

Problem solved
So if you get the same picture as i have posted then it is the LCD and not the cable.

Funny thins is the made in china cable i ordered is faulty aswell but my old cable work as it should. With the cable i bought i have minor color displacement but with the original it is OK.

Also a funny thing. I was looking for screens by the model nr that is behind the screen. If you type G73JH screen in ebay the 1080 screen is over 100 £ but if you look by the model nr. I found a UK seller Monitor king or something and 54£ for a 1080 screen And also. The item description said glossy....have been looking for a matt screen for ages and have not found. Here is what my old screen looked like.



And what i got:


(Had to turn screen of to take a picture)
Look at that glossy screen.....wait a minute .....Its a matt screen Damn the matt screen make the G73JH look more agressiv as my AW is at warranty AGAIN have the G73JH to play with again

 

Congrats on getting it figured out, you did it the right way. The cable is usually the cheapest part of the display so that's the best place to start. Good to see you upgraded to a matte screen, i think they all should have came this way (my g53 did).