Could Heating a Faulty Video Chip Affect iCamera?

I bought a used MacBook Pro 15" (A1260 - Early 2008) about 4 months ago, After about 2 months, the computer stopped working (no chime, nothing). I took it to a repair shop, and the technician told me that I had been cheated. He told me that the video chip had been repaired in such a way that it would only work for a couple more months before ultimately failing. Now, the entire logic board needs to be replaced (apparently, the 'repair' damaged other parts of the board).
I assume he is talking about using a heat gun to extend the life of a video chip - I've read up on this practice, and it seems like a logical conclusion. However, I am not 100% sure this is what happened. Assuming that the video chip was heated as presumed, is it possible/likely that this 'repair' would/could cause the iCamera to stop working? This technician was not a Mac expert, so he didn't know.
When I bought the laptop, the seller told me that the camera didn't work - since I rarely use a camera, this wasn't a problem for me. But if I can determine that a repair of this type could/would negatively affect the camera, then I would be able to deflect accusations that I performed this procedure after purchase (I didn't). The seller claimed to be the original owner, so it is obvious that this happened under his ownership.
Thanks for any and all constructive input. Links to technological documentation would be greatly appreciated, as I am trying to build a case for court. And please no comments about the laptop being too old for such trouble - this is more about principle than it is about money.

>this is because the keyboard didn't function.<
OK new piece of information. In this model the power button connects underneath the keyboard and then via the keyboard cable is connected to the logic board. If the keyboard didn't work (Was it always like that?) then most possibly the power button won't work either. This could have been an original condition or something that occurred within the 4 months that you had the machine.
There is a way to start the computer with the top case off (I.e. keboard and power button). There are two pads (circuit board lands) on the logic board marked seperated with a line and marked "pwr". They are on the lower left of the logic board between the RAM and the upper left of the optical drive. Shorting those will start the computer.
Also:
>This technician was not a Mac expert,<
I'd get an expert opinion especially before proceeding with a lawsuit.

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I wish I had only bought a cheap one. The blow would not be so bad.
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Message Edited by Emmaw on 11-18-2009 06:41 AM

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Another faulty G84 chip?

My t61p, which is out of warranty, would not startup. All I get is 3 beeps and a blank screen.
I have researched this problem and what I have conlcuded is that this problem is due to the video card. People have stated that this problem is due to the faulty G84 chip which Nvidia refuses to take responsibity for.
I also reseated the RAM and cleaned and dusted the internals of my computer, making sure everything was connected in place. The problem still persists.
I dont want to pay 500 dollars for another replacement that might break in a year or two anyways.
Its such a shame that a 1700 dollar computer broke within 2 years.
I rarely game on the computer, occassionally playing counterstrike 1.6 (which is not even a GPU/CPU intensive game) so I dont even know why heat would even be a issue
Your guy's thoughts

Make sure the SATA cable is firmly connected to the back of the drive before making any conclusions. If you are not comfortable doing this, your Apple-Authorized Service Provider can do it for you.
If this is a New Mac Pro, the drive with the sample defect can be replaced under warranty at no cost to you.
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Hello, lenovo community.
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Solved!
Go to Solution.

i_build_franken wrote:
Brilliant! Thanks for that clarification. I opened it up last night to check some internal things and when I put it back together the screen backlight wasn't working. Could this be caused by a loose connection or is it more likely that I messed up the screen now too?
**Edit as of 1741 EST** Also I can't find the FRU for that board. Found the fru so nevermind that. However I don't want the security chip. It seems a lot of people have had issues with it and it seems more trouble than it's worth. Is there a way to get a board with out the security chip? This page doesn't show that's possible for the 128 MB board.
You might have blown the fuse on the motherboard, or it may just have died completely. Hard to tell without knowing more details.
As for the security chip, all of these "p" boards have one AFAIK, just turn it off in BIOS and call it a day, that's what I've been doing for a decade now anyway.
Good luck.
Cheers,
George
In daily use: R60F, R500F, T61, T410
Collecting dust: T60
Enjoying retirement: A31p, T42p,
Non-ThinkPads: Panasonic CF-31 & CF-52, HP 8760W
Starting Thursday, 08/14/2014 I'll be away from the forums until further notice. Please do NOT send private messages since I won't be able to read them. Thank you.

After the video chip "fix"---now what

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Resetting PRAM and NVRAM
Shut down the computer.
Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
Turn on the computer.
Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
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Hi TheBulgarian,
Thank you for visiting the HP Support Forums and Welcome. I have read your thread on your hp Pavilion dv-7 4060us Notebook and needed to know a part number or Video chip number. Here is a link to the manual page 2 for a description of the Video cards. I would need the serial number of the Notebook and the same for the motherboard. Please review the HP Privacy Statement . Then send it to me in a private message.
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