Similar problems here on brand new Gateway NV57H50u with Windows7
(SP1, updated etc.)
1. Touchpad cursor freezes after 5 minutes, usually briefly
curable by Alt-Tab to another window and back again.
2. Cursor repeats some action 25+ times, e.g. opening Firefox browser
25+ times, opening a text file once then inserting Line Feed 25+ times.
3. Intermittent problems at login, cycling Welcome screen 5 to 15 min.
Gateway declines to fix or advise.