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My screen shows multi colors unless I physically hold the screen up in one place near the frame. I have to do a fair amount of adjusting to get it to stay so that I can see whats on the screen. I have a Toshiba Satellite M45 S169.

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This is usually to to the graphics chip not being properly soldered to the circuit board - the chip is probably what is known as a ball-grid array and these are notorious for this problem.
If this is the case then you really cannot fix it and it will need a new mainboard.
If it is a loose connection to the screen then you may have a dodgy graphics cable which leads from the mainboard to the TFT display panel. Sometimes it may be that the connector on the mainboard is loose. If this is the case then it may be worth trying to take it apart (if out of warranty) and check that the multi-wire plug leading to the screen is firmly seated into the connector.
However, taking apart a notebook is quite tricky!

Posted on Aug 03, 2008


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First check the scan coils, The connections , (both ends) and the small pcb on the scancoils, then measure the resistance of them, 1 to 5 ohms is ok
Now find and test the S corrections cap ,its usually 220nf to 1uf at 250v-400v , look for burnt ends and/or swollen case
Now find the Linearity/width coils, these are fairly big , sometimes with an adjustable core

They measure very low zero on my meter. 1 or 2 ohms
3fcce55.jpg Better take it to a sony service station to check it.

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