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blue shade on a QXGA screen

T60/T61 series specific matters only
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vavet
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blue shade on a QXGA screen

#1 Post by vavet » Mon Jun 25, 2018 2:25 am

hi,

Yesterday did a successful flush of the rom on a QXGA screen for my t61 build. The screen is being detected and works normally except the fact that there is a blueish tint.
the photos are below (big pics):

https://photos.app.goo.gl/wWGKJ3NyizdWYsLN6
https://photos.app.goo.gl/abfVXe4uufeJNWvs7
https://photos.app.goo.gl/bpXJVJb9Ga6no91b7

the problem is not related to the electronics as the tint is present even when the lcd connector is not connected. I have also tried replacing the backlight with xga one, same result.
The only thing I haven't tried is replacing the inverter, but I don't think it is to blame. The lamp lights up normally with a white light. The problem seem to be in the lcd itself.
Hash anyone dealt with such issue? Any thoughts and suggestions are appreciated.

best,
V
X61 (T9300, 8gb RAM, 120gb SSD, LED SXGA+, integrated webcam, invisible touchpad, modded battery etc.)

ajkula66
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Re: blue shade on a QXGA screen

#2 Post by ajkula66 » Mon Jun 25, 2018 3:59 am

I've seen that "blueish" hue on Hydis panels more than once, but not on an ID Tech. No wisdom to offer, you may just have to learn to live with it.

On a different note, is it my aging eyes or is that screen glossy ?
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FlexView AARP club members:A31p, T43pSF

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RealBlackStuff
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Re: blue shade on a QXGA screen

#3 Post by RealBlackStuff » Mon Jun 25, 2018 4:48 am

See if installing Middleton's BIOS helps.
And I agree with George, that screen must be glossy.
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vavet
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Re: blue shade on a QXGA screen

#4 Post by vavet » Mon Jun 25, 2018 7:48 am

thanks for your input
ajkula66 wrote:
Mon Jun 25, 2018 3:59 am
On a different note, is it my aging eyes or is that screen glossy ?
yes it is glossy.
RealBlackStuff wrote:
Mon Jun 25, 2018 4:48 am
See if installing Middleton's BIOS helps.
It does have Phoenix bios which is similar to Middleton with lower voltage on nvidia chip. But I don't see how the bios could affect blue tint as it appears even when screen is not connected and only light is connected. The only thing that might be possible to affect is the bulb itself but I have checked it is quite bright and white.
X61 (T9300, 8gb RAM, 120gb SSD, LED SXGA+, integrated webcam, invisible touchpad, modded battery etc.)

RealBlackStuff
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Re: blue shade on a QXGA screen

#5 Post by RealBlackStuff » Mon Jun 25, 2018 8:37 am

Check in BIOS -->Config-->Display-->Brightness
Is that set to normal or bright?

Thinkpad4by3
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Re: blue shade on a QXGA screen

#6 Post by Thinkpad4by3 » Mon Jun 25, 2018 9:04 am

RealBlackStuff wrote:
Mon Jun 25, 2018 8:37 am
Is that set to normal or bright
Off Topic: I've never seen a difference. What does it do?
Thinkpad4by3's Law of the Universe.

The efficiency of two screens equally sized with equal numbers if pixels are equal. The time spent by a 4:3 user complaining about 16:9 is proportional to the inefficiency working with a 16:9 display, therefore the amount of useful work extracted is equal.

Sweater Fish Deluxe
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Re: blue shade on a QXGA screen

#7 Post by Sweater Fish Deluxe » Mon Jun 25, 2018 9:34 am

If it looks like that even when it's unconnected, then it's just the way the panel is designed.

You might be able to set up the color configuration of the monitor in your OS to counteract it to some extent by boosting the red and green.

dr_st
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Re: blue shade on a QXGA screen

#8 Post by dr_st » Mon Jun 25, 2018 10:43 am

Thinkpad4by3 wrote:
Mon Jun 25, 2018 9:04 am
Off Topic: I've never seen a difference. What does it do?
"Normal" forces lower brightness on battery, no matter what the software settings are. "High" leaves the brightness at the same level.
vavet wrote:
Mon Jun 25, 2018 2:25 am
Yesterday did a successful flush of the rom on a QXGA screen for my t61 build. The screen is being detected and works normally except the fact that there is a blueish tint.
the photos are below (big pics):

https://photos.app.goo.gl/wWGKJ3NyizdWYsLN6
https://photos.app.goo.gl/abfVXe4uufeJNWvs7
https://photos.app.goo.gl/bpXJVJb9Ga6no91b7
The photos don't look all that abnormal. Some screens are bluer than others. I imagine it looks noticeably worse, and the camera does not capture the magnitude of the tint?
Thinkpad 25 (20K7), T490 (20N3), Yoga 14 (20FY), T430s (IPS FHD + Classic Keyboard), X220 4291-4BG
X61 7673-V2V, T60 2007-QPG, T42 2373-F7G, X32 (IPS Screen), A31p w/ Ultrabay Numpad, A21m 2628-GXU

vavet
Sophomore Member
Posts: 230
Joined: Mon Apr 15, 2013 8:32 am
Location: Geneva, Switzerland

Re: blue shade on a QXGA screen

#9 Post by vavet » Tue Jun 26, 2018 2:33 am

I tried changing screen to high brightness from bios, no difference.
Overall situation is not that bad, the blue tint (with static ripples) is visible only on dark bg. On light bg it is normal, almost invisible. Se photos below (big ones):

https://photos.app.goo.gl/JeyMZJDq6XgWxRB96
https://photos.app.goo.gl/V9gNZSofYjWTYaQT6
https://photos.app.goo.gl/ffgAhFks5iRXdEwy8
https://photos.app.goo.gl/coWyj4c1DasKwcmn9
https://photos.app.goo.gl/HFwPQLVPLhTYY2hTA

Nevertheless, I know myself, being a purist I won't cope with it and will go back to uxga. Will most probably put this screen up for sale after vacation. It is still very much usable and maybe someone will be able to fix it or use it as is.
X61 (T9300, 8gb RAM, 120gb SSD, LED SXGA+, integrated webcam, invisible touchpad, modded battery etc.)

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