Preventive Maintenance Activity

Recommended Frequency

Notes

Scan hard disk file systems for errors - Scandisk

Daily

Scan for viruses and Spyware

Daily

Back up data

Daily

Defragment hard disks

Weekly

Scan for hard disk read errors – Scandisk Thorough

Weekly

Check for and remove unnecessary files – Disk Cleanup

Weekly

Update AntiSpyware files

Weekly

Update virus definition files

Weekly

Clean CRT screen

Weekly or as needed

Clean mouse

Monthly

Check power protection devices to ensure they are still protecting the system

Quarterly

Check power supply fan for ventilation and dirt buildup and clean if necessary

Quarterly

Back up CMOS information

Quarterly

Not available on some systems.

Update emergency boot floppies

Quarterly

Clean floppy disk drive internals and read/write heads

Quarterly (depending on use)

Check processor temperature, inspect heat sink and fan to ensure they are working

Annually (or whenever case is opened)*

Check hard disk for temperature and vibration

Annually (or whenever case is opened)*

Clean exterior of case

Annually or as needed

Clean exterior of monitor

Annually or as needed

Check and clean interior, motherboard and expansion cards if necessary

Annually (or whenever case is opened)*

Check internal connections and cables

Annually (or whenever case is opened)*

Clean keyboard

Annually or as needed