• Do not use fingernails, gloved fingers, or inanimate objects except the approved digitizer pen for input on
the screen.
• Regularly calibrate the accuracy of the finger input to avoid a discrepancy.
Tips on cleaning the multi-touch screen
• Turn off the computer before cleaning the multi-touch screen.
• Use a dry, soft, and lint-free cloth or a piece of absorbent cotton to remove fingerprints or dust from the
multi-touch screen. Do not apply solvents to the cloth.
• Gently wipe the screen using a top-down motion. Do not apply any pressure on the screen.
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Summary of Contents for Thinkpad T440
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