My HP Pavilion (product B5R67UA#ABL, model g42189ca) started acting like the 7 key is stuck. Nothing was spilled on the keyboard, and the key looks fine. When I go to a text box (on a website, or on the login screen of the laptop, or anything), the box fills with 7s. I use Windows 7 Home Premium. There is no error message, and no recent changes were made to the system.
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