Can I reset SMC manually?

My MacBook keyboard and trackpad started to malfunction. My keyboard only responds to a few keys. I tried doing a SMC reset but it does not work. I tried a PRAM reset, but it does not work. Is there a manually button to reset the SMC? Will an external keyboard work? I've already spent 10 hours on this and have tried all the Apple instructions, so I'm looking for new ideas on what to do.

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What are the last four digits of the serial number of your Macbook? this will help to properly identify your computer.

by oldturkey03

Last four of the Macbook is SF5W.

by Roger

Does this look right ? 2.4 GHz Core 2 Duo (P8600) Intro Date: May 18, 2010 Disc Date: February 8, 2012* Order No: MC516LL/A Model No: A1342 (EMC 2395*) Subfamily: Mid-2010 Model ID: MacBook7,1 Std RAM: 2 GB Std VRAM: 256 MB Std Storage: 250 GB (5400 RPM) Std Optical: 8X DL "SuperDrive" Complete MacBook "Core 2 Duo" 2.4 13" (Mid-2010) Specs

by oldturkey03

Yes, that does look right.

by Roger

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