Some keys on keyboard not working windows 7

My keyboard number keys [above the letters] stopped working properly, both as numbers and as symbols. Only and are functional. I have a few keys on my Toshiba that have stopped working. Specifically, Z, ?/, and all of the arrows.

I am using windows 7. But my keyboard keys are not working properly. Oh no, the keyboard on your laptop stopped working! Here are some fixes to help you get back to your previously scheduled typing.

Troubleshoot keyboard problems - Windows - Microsoft

Keyboard works there, that indicates wrong Windows settings. If the keys don't work there the keyboard might be damaged and needs to be replaced. But specifically it is not working in Outlook express. I need to restart my computer and middle of the work I have to save all my applications.

Sony VAIO laptop VPCEA4S1E running Windows Home Premium (64bits).Since a couple of days I have a strange keyboard problem: some keys ( p, Backspace, F F F F F FF12) are not working as expected.If you do have some difficulty with your typing, such as happens when a Mr. Arthur Itis comes to visit, or/and if you have tremors, here is where you can enable these aids and tweak their settings to get the most benefit from them.

windows - some keyboard keys not working properly - Super User

However, mouse and keyboard are working fine in Windows or Windows prior to upgrade to Windows 10. In addition, keyboard and mouse are working properly before Windows is loade i.e. mouse and keyboard can be used during the splash screen at the very early stage of computer startup, in the BIOS or diagnostics program provided by computer manufacturer, and it works fine too in the Windows boot menu.