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I had dismantled my toshiba A75, and when i turn it on again (i solved the overheating problem) but i lost a color (red), i tried to reconnect the lcd, i received a better image, buy any red color.
Do u know how to repair it?
First, plug a external monitor and toggle the screen with ALT+F4 to see if the image is correct there. This will discard software or configuration problems.
If the image in the external monitor is OK you problably have a hardware problem in the LCD panel or its cabling. You can get the replacement parts here:
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Reboot ur HDTV box buy unplug and replug is an hour later,see if get the color back.If not,than ur Sharp tv Main Tuner signal board is dead that the problems,must replaced the Tuner signal board to solved this problems.
I have a Satellite A75-S2292. It did the same thing to me. I just blow the vents & fans out weekly with canned air. I also have an under the laptop cooling fan, to increase the air flow. I haven't had it shut done for months, since I started doing some preventive maintenance.
The changing the thermal paste is not a good repair. Thermal paste will last for at least 20 years, under worse conditions than most computers will ever experience. Removing the processor chip, wiping everything clean & replacing the paste & chip just make more chances for damage.
I own a Laptop Toshiba Satellite A75-S2131.
This series have a problem with the cooling flow to the processor.
The processor overheats and the laptop shuts down.To solve this particular problem you must tear down the laptop and clean up the processor heatsink (you will find it totally plugged or partially dirty).
Find in the internet the step by step instructions (with photos) for dismantling this laptop. Do not forget to apply thermal paste between processor & heatsink.
Problem solved. Lap top stripped apart and that little line of dust got cleared out and now the laptop works as if new. Thanks to the website I posted above that shows how to safely dismantle the A75-S211.
My Satellite A75 was also shutting down unexpectedly. The problem was overheating. I sprayed compressed air into the vent openings on the back of the computer to blow the dust and dirt, and then used a vacuum cleaner on the fans on the bottom to **** it all out. This solved my problem.
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