Having problems with your Gateway MX6447 Notebook ?
Lights on, no display, doesn't boot
\015 I've diagnosed mine as a bad hard drive controller on the motherboard. Drive works in another laptop and another good drive won't register either.\015
Had similar problem on sony vaio. when power depressed, i could hear the cd drive turn a bit, the hard drive light blink once, and that's it. power light would remain on, but nothing else. I took it apart and resoldered all the main chasis grounds on the motherboard and shorted/resetted the board battery(memory/clock) and put everything back together and started up fine. got lucky i guess.
Repair Help & Product Troubleshooting for Gateway MX6447 Notebook
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