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T-61 14.1" Wide NV140M WXGA+ LCD lines

T60/T61 series specific matters only
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hoanghuynh
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Joined: Thu Jan 11, 2018 11:50 pm
Location: hanoi, vietnam

T-61 14.1" Wide NV140M WXGA+ LCD lines

#1 Post by hoanghuynh » Fri Jan 12, 2018 1:41 am

I have two T-61 14.1" Widescreens with NV-140-M GPUs. Each have a Samsung WXGA+/WSXGA 1440x900 LCD screen and have developed a single pixel wide horizonatal white line about 3 cm from the bottom of the screen. It is intermittent on each, almost always starting on boot, visible on the BIOS screen, continuing through the Windows stat-up screen and then into the usual Desktop. Occasional by pressing on the screen, the line will disappear. One now has either that line, or one 1/2 way up the screen. Occasionally that line has a 3 cm segment that is blue, the rest white. Most often the lines disappear on their own.

My guess is that both these screens are defective, but the fact that the 3 cm line looks like it is in the same place makes me slightly suspect the GPUs. Both boards are the later 44C3933 version, so theoretically have the later GPUs that are not subject to the well-described early-run GPU problems

Has anyone else experienced this? Maybe a bad "run" of LCDs?

Fortunately I have several spare LCDs at a reasonable price, so this is not a catastrophe.

Any thoughts are appreciated.

theterminator93
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Re: T-61 14.1" Wide NV140M WXGA+ LCD lines

#2 Post by theterminator93 » Fri Jan 12, 2018 9:01 am

It's the LCD, the WUXGA on my wife's T61p with a repaired 2010 GPU motherboard has the same thing.
Daily: T25 | W520 i7-2860QM·Quadro 2000m·IPS FHD | T420 i7-2640M·NVS 4200m·IPS FHD | X220 i7-2640M | T601F T9900·NVS 140M·LED UXGA
Wife's: T61p T9500·2010 FX570m·WUXGA | X220T i7-2640M
Others: T61p·61·43·42p|X41T·24·23·22|G41|A31p·22m|i1200|TransNote|380D|365XD|701C|755C

Annecy
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Re: T-61 14.1" Wide NV140M WXGA+ LCD lines

#3 Post by Annecy » Thu Apr 05, 2018 12:49 am

hoanghuynh wrote:
Fri Jan 12, 2018 1:41 am
I have two T-61 14.1" Widescreens with NV-140-M GPUs.
Each have a Samsung WXGA+/WSXGA 1440x900 LCD screen and
have developed a single pixel wide horizonatal white line about 3 cm from the bottom of the screen.
~~~
Has anyone else experienced this? Maybe a bad "run" of LCDs?
~~~
Any thoughts are appreciated.
So ...
maybe I should not consider a Samsung WXGA+ ...
as a replacement/upgrade ... for my T61 WXGA display :eek: :?:

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