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Your mouse pad is not working now? Nothing was done to remove anything mouse related. However, you need to fix your MBR.

If you don't have your Win7 disc, you can create a Recovery Environment disc for your system here:

Win7 64bit Recovery Environment

Win7 32bit Recovery Environment

You can use ImageBurn to create the disc.

Once the disc is created, boot into the bios and change the boot order to CD/DVD as first boot device. Put in the disc and reboot. Once in the RE, type this:

Bootrec.exe /fixmbr

Note the space after the exe.

Exit out when done and boot back into normal mode. Re-run MBRCheck and attach the new log.