Dell Inspiron 15R 5521 Me and My Dell - Page 144

Laptop Keyboard, reconnect one device at a time to identify the device that is causing

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Laptop Keyboard 1. Shut down the computer. 2. Restart the computer and test the keyboard. 3. If the keyboard is still not working: a. Shut down the computer. b. Disconnect all the external devices. c. Test the keyboard. 4. If the keyboard works with all the external devices disconnected, reconnect one device at a time to identify the device that is causing the problem. 5. If a particular key is not working or is stuck, shut down the computer and carefully clean the keyboard using a can of compressed air. 6. Disable any software that may change the way the keyboard responds. 7. If the keyboard is still not working, contact Dell. 144  Troubleshooting

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144
Troubleshooting
Laptop Keyboard
1.
Shut down the computer.
2.
Restart the computer and test the keyboard.
3.
If the keyboard is still not working:
a.
Shut down the computer.
b.
Disconnect all the external devices.
c.
Test the keyboard.
4.
If the keyboard works with all the external devices disconnected,
reconnect one device at a time to identify the device that is causing
the problem.
5.
If a particular key is not working or is stuck, shut down the computer
and carefully clean the keyboard using a can of compressed air.
6.
Disable any software that may change the way the keyboard responds.
7.
If the keyboard is still not working, contact Dell.