MacBookPro does not power up on AC power or battery.
I've noticed a number of "My Macbook Pro won't turn on" posts here, but my symptoms seem to be different (read: worse) than the other posts that I've read, such as this MacBook Pro no startup sound, and not able to start.
Here's what's going on:
I have an A1226 15" MacBook Pro (mid 2007) with serial number: W872218YX92. I can't get it to turn on; whether it's plugged into the AC adapter or on a battery, I get no visible or audible response from the machine when I push the power button--none of the lights turn on, none of the fans spin, etc.
I've read about the nVIDIA 8600GT issue, but I don't get any response from the machine at all, so I'm not sure if that's what the problem is. The other thing I've read could be at fault is the 'Left I/O' board', but this thing won't turn on when using AC or a battery. One thing I haven't tried yet is to open it up and check the top cover power switch; is the power switch something that frequently breaks?
Lastly, when the MagSafe adapter is plugged into the machine, the LED on it always glows green--whether or not the battery is plugged in. When the battery is plugged in, the 'charging' LEDs on it do not light up or blink and thus the battery does not charge.
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