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Lenovo 3000H User Guide
4.5 Daily Maintenance
1. Component Maintenance
Cleaning: Since many components of computer are composed of sophisticated IC boards, it is mandatory to
clean periodically and avoid dusts.
Cleaning supplies: vacuum cleaner, soft cotton cloth, clear water (pure water preferred) and cotton swabs
can be used to clean the components.
2. General Cleaning Methods
TDusts on the surface of mainframe, monitor, printer, speaker and mouse can be wiped off using soft cloth
while dusts at inaccessible corners can be removed by vacuum cleaner.
To clean the keyboard thoroughly, you may shutdown the mainframe and scrub it gently with a cloth dipped
in water - do not use the keyboard until it is dry.
Prevent water from entering the computer.
Do not use wet cloth. Do not spray water directly onto the surface of monitor and inside of mainframe.
Special attention should be given to LCD monitors - keep it clean and avoid grease stain. It is recommended to
remove the dusts by brushing gently with a dry cloth for daily cleaning.