A user reports that several keys on a company-issued laptop feel sticky and sometimes fail to register when pressed. What should the technician do first to try to restore proper key movement and operation?
Power down the laptop and use a soft antistatic brush or compressed air to remove debris under the affected keys.
Reinstall or roll back the keyboard driver in Device Manager.
Order a replacement keyboard because the built-in unit is likely defective.
Remove the keyboard assembly to inspect the membrane and switch mechanisms.
Physical contaminants are a common cause of sticky or intermittently responsive keys. Turning the laptop off and gently dislodging debris with a soft antistatic brush or short bursts of compressed air is a manufacturer-recommended, non-invasive first step. This should be attempted before moving on to software checks or labor-intensive hardware replacement.
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