Question about IBM ThinkPad T30 2366 Notebook

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Screen prolem screen has matrix style static lines and grids which disrupts the screen

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I am having the same problem. there is a little plate below that says "FCC TRANSMITTER" w/ three screws. i found it was damaged this morning, and once removed, it works fine. there is something under there that screws with the image sent from the video if something touches it. try removing the plate, and cleaning under there. me, i'm going to buy a new plate to replace the damaged one. it's mazing how finnickey computer guts are.

my 0.02

Posted on Oct 26, 2008

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I have the same problem, tried to connect an external monitor, on boot, matrix like grid lines appeared still, (on the external monitor). This means it must be something inside the laptop.

Any ideas?
This is my only real source of work.
Right now i'm using my home made server to communicate with the the world which isn't the best solution.

Thanks Guys.

Posted on Jun 21, 2008

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First, plug a external monitor ant toggle the screen to see if it displays correctly. This will discard software or configuration issues.
If the external monitor works correctly the problem is in the LCD screen.
You can find replacement LCD screens here:

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Posted on May 28, 2008

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Try to lose the screen then make some clleaning n couple it back if it doesnt work, then suspect the connector

Posted on May 28, 2008

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Posted on Jan 02, 2017

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Heated windscreen not working on one side


There is a lead which connects power to the heater grid on the windshield. Make sure it is connected and the solder joint is intact. Check the gridlines for tiny cracks which can disrupt the flow of electricity to part of the grid.

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How i adjust horizontal size and vertical size


To answer your concern, all you have to do is to change the setting of your aspect ratio on your TV.

Here is my suggested way to procede:


1. Apply 1080i signal, which should produce an oversized HD image on ColorStream1or 2.
2. Select an HD channel that is broadcasting standard 4:3 image, not wide screen.
3. Switch to the Service Mode ( Please refer to the above links). In the Service mode, press channel up/down to find the Adjustment parameters needed for the following steps.

4. Adjust HIT with volume up/down control for the image height to 22.5 inches.

6. Adjust WID for image width of 30 inches, (22.5*4/3)
7. Adjust HPOS to center the image.
8. Adjust PARA and TRAP to minimize geometric distortion.
9. Switch into Convergence mode and Adjust VLIN to get equally spaced horizontal grid lines.
10. Measure the length of the central grid lines and note the number of horizontal and vertical grid lines. This information is used to create an overlay grid.
11. Create the overlay grid on 40x25 x0.003 inch clear Acetate sheet, which you can get at the Art Supply store for under $2. Draw the grid with a fine line erasable pen. Draw vertical and horizontal lines through the center of the sheet so that the lengths are the same as the central grid lines. Now draw the grid so that it has the same number of lines as the convergence grid but are equally spaced, with the outer ones at the ends of the central lines.
12. Cut off about 1/4 inch from the right side of the sheet so that the sheet can lay flat against the screen, which is slightly less than 40 inches.
13. Put a reference mark on the TV frame 2.5 inches down from the upper left side of the screen.
14. Place the overlay on the screen so that the upper edge lines up with the reference mark. The overlay sticks by electrostatic attraction.
15. Use convergence controls to remove grid distortion and converge grid colors. Refer to the Anamorphic link for details.
16. Enjoy 1080i.

Other Comments:
I didn't realize I could create the overlay grid before placing the Acetate sheet on the TV screen, until I finished drawing the grid with the sheet placed on the screen. I added grid lines as called for in the procedure. I'm sure this method took much longer no only to draw the lines but some of them were difficult to see.

Part way through the convergence procedure, I became concerned that the image width was off since I did my screen adjustment with wide screen image. Thus, I decided to repeat that step with a 4:3 screen.

I confirmed the need to press 7 often to save results since after I adjusted one grid color without it, I accidentally hit a key that switched me out of convergence mode and when I switched back, all settings were gone.

Another mistake I made was not realizing that the cursor color determines which grid gets moved.


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1 Answer

Matrix Style Lines


Yes, this could be a property value set in your display. Go to Control Panel, Display and hunt through your display adapter's advanced settings and see if there is a check box for display grid and turn that off.

Regards,
Worldvet

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Sounds like a problem with the LCD assembly or cable. You may want to reseat the LCD cable at the LCD end. It could be a loose internal connector in the LCD assembly.
Ron-

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