only alphabets are not working in keyboard

AtWindows Logon Screen, the letter keys are not working. Pressing them causes no response. Number keys work. I turned of laptop and plugged in an external keyboard and had the same results. My password has letters in it so I cannot log on. I turned of the computer and restarted pressing the ESC key to get to the startup menu. Updateyour drivers. Outdated or corrupted drivers could prevent your keyboard from connecting and responding. Update the driver, restart the computer, and then test the keyboard again to see if it's working again. Check your keyboard language settings. PressWindows Key + R to open Run. Type control and press OK to open the Control Panel. In the Control Panel, click on Ease of Access. Open Ease of Access Center. Click on " Make the Keyboard easier to use ". Click on Set up Filter Keys. In the Filter Options, select Turn on Repeat Keys and Slow Keys. Click on Apply and click OK to save the Somekeys are designed to repeat when pressed and held down. On some keyboard models, these keys only repeat when the keyboard is connected to the computer using a universal serial bus (USB) plug. The following keys may be designed to repeat: Back, Forward, Next, Prev Track, Next Track, Volume-, Volume+, Zoom-, and Zoom+. berikut pernyataan yang benar tentang keanekaragaman hayati tingkat gen adalah.

only alphabets are not working in keyboard