1. Enter Key Not Working On Dell Laptop

Maybe filter keys or sticky keys are on?Try this.Click 'Start' and select 'All Programs.' Click 'Accessories' and select 'Ease of Access.' Click 'Ease of Access Center.' Click 'Make Keyboard Easier to Use.'

I have a toshiba satellite m35x-s161 and the enter key is not working. I have tested the other keys, and this appears to be the only one. I happened to have another toshiba laptop which is very similar, and i removed the keyboard form it, and installed it in the machine in question. To my surprise, the enter key didn't work even with the new.

Click 'Set Up Sticky Keys.' Deselect the checkbox that says 'Turn on Sticky Keys When Shift is Pressed Five Times.' Make sure the box that says 'Turn on Sticky Keys' is not checked. Click 'OK' to save your changes.Click 'Set Up Filter Keys.'

Enter Key Not Working On Dell Laptop

Uncheck the box that says 'Turn on Filter Keys.' Click on the checkbox next to 'Turn On Filter Keys When Right Shift Is Pressed For 8 Seconds' to deselect it. Click 'OK' to save your changes.Click 'OK' again to save all of the keyboard accessibility changes you have made.Hopefully this gives some direction.