How to Diagnose a Dell E1705 Keyboard
The Dell Inspiron E1705 has an internal hardware troubleshooter called Dell Diagnostics. If you are having trouble with the notebook's internal keyboard, running Dell Diagnostics is the best option to diagnose the problem. If the keyboard fails the Dell Diagnostics test, the program will display an error code and provide a solution to resolve the issue. If the keyboard passes the diagnostics test, check the keyboard itself for dirt or liquid, which can affect the performance of the device.
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Instructions
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Restart the computer. Press "F12" when the boot screen appears. Use the arrow pad to go to "Diagnostics." Press "Enter."
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Follow the on-screen steps to complete the Pre-Boot System Assessment. Press "Y" to continue to the next test if an error occurs. Write down the error codes that appear and look up an explanation of the codes on Dell Support.
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Press any key when prompted. Click the "Custom Test" option. Double-click "Keyboard" to run a diagnostics test on the keyboard.
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Follow the on-screen directions to complete the test. You must be at the computer to complete the diagnostic test, as you'll need to press each key on the Dell E1705 to check the keyboard for problems.
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Read the results to find out if there is a problem with the Dell Inspiron E1705 keyboard. Check the error code on the Dell Support page for an explanation of the error.
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Turn off the computer and check for residue underneath the keycaps. To remove a keycap, pull up on one edge of the key until a "snap" is heard. Pull up on the other edge of the key to remove it from the keyboard. If there is debris or dried-on liquid beneath the keycaps, clean the keyboard with a cotton swab dabbed in rubbing alcohol.
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Push the keycap back down on to the keyboard to snap it in place.
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Tips & Warnings
If the above steps don't resolve the problem, run an anti-virus on the computer to check for infections, which can also affect keyboard behavior.
