1. Maintaining and Protecting Your PC David Cox Region VI TLTC Facilitator

2. Keeping Your PC Clean What will I learn today? How to clean the outside and inside of your PC How to use built in features of Windows to clean your PC

3. IMPORTANT NOTE Shut down your PC normally and unplug it before doing any external cleaning to avoid damage to your computer and possibly yourself Shut down your PC normally and unplug it before doing any external cleaning to avoid damage to your computer and possibly yourself Create and keep a home-made cleaning kit handy: clean soft cotton cloths, a small paint brush, an old toothbrush, foam-tipped & cotton swabs, compressed air, bleach/wipes, white vinegar, rubbing alcohol, dishwashing liquid, spray bottle, small bucket, a small screwdriver, and tweezers Create and keep a home-made cleaning kit handy: clean soft cotton cloths, a small paint brush, an old toothbrush, foam-tipped & cotton swabs, compressed air, bleach/wipes, white vinegar, rubbing alcohol, dishwashing liquid, spray bottle, small bucket, a small screwdriver, and tweezers

4. Keeping Your PC Clean Outside Outside Inside Inside Do the right thing Do the right thing

5. Keeping Your PC Clean Bacteria Exposure Rankings Teacher Teacher Accountant Accountant Banker Banker DJ DJ Doctor Doctor

6. Keeping Your PC Clean Bacteria Exposure Rankings TV producer TV producer Publicist Publicist Consultant Consultant Lawyer Lawyer

7. Keeping Your PC Clean Facts Some cold and flu viruses survive on surfaces to 72 hours Some cold and flu viruses survive on surfaces to 72 hours Bacteria levels rise during the day and peak after lunch Bacteria levels rise during the day and peak after lunch The number doubles every 15- 20 minutes The number doubles every 15- 20 minutes

8. Keeping Your PC Clean Facts Bacteria Levels: Toilet seat 49 psi Toilet seat 49 psi Copier 69 psi Copier 69 psi Mouse 1676 psi Mouse 1676 psi Keyboard 3295 psi Keyboard 3295 psi Desk 20961 psi Desk 20961 psi Phone 25127 psi Phone 25127 psi

9. Outside Use a small brush, a vacuum cleaner, or a can of compressed air to remove dust from all external parts you can seetake a keyboard or computer outside if compressed air is used Use a small brush, a vacuum cleaner, or a can of compressed air to remove dust from all external parts you can seetake a keyboard or computer outside if compressed air is used Use a soft cloth and plain* water in a spray bottle with a tablespoon of bleach* to remove rubbed in dirt and germs from the keyboard & mouse Use a soft cloth and plain* water in a spray bottle with a tablespoon of bleach* to remove rubbed in dirt and germs from the keyboard & mouse

10. Outside Use a soft damp cloth to remove material from a CRT monitor screen Use a soft damp cloth to remove material from a CRT monitor screen Use a soft damp cloth and a cleaning solution of distilled* water in a cheap spray bottle with a tablespoon of white vinegar for LCD,* which can be left on to clean. Use a soft damp cloth and a cleaning solution of distilled* water in a cheap spray bottle with a tablespoon of white vinegar for LCD,* which can be left on to clean.

11. Outside Always dampen the cloth, not the computer component Always dampen the cloth, not the computer component If you use swabs, use foam not cotton If you use swabs, use foam not cotton Never use an abrasive on the computer or the monitor Never use an abrasive on the computer or the monitor

12. Outside Avoid using disinfectants due to kids allergies Avoid using disinfectants due to kids allergies Clorox or other bleach wipes are fine Clorox or other bleach wipes are fine A few drops of dishwashing liquid with water is good A few drops of dishwashing liquid with water is good Rubbing alcohol as a cleaning agent is good on desks, tables, mice, and keyboards Rubbing alcohol as a cleaning agent is good on desks, tables, mice, and keyboards

13. Outside IOGEAR now makes an optical mouse with a surface which is said to be auto-disinfecting due to its coating IOGEAR now makes an optical mouse with a surface which is said to be auto-disinfecting due to its coating http://www.iogear.com/main.php?loc=product&Item=GME227RW6 Whatever you do to clean, consistency and frequency are important Whatever you do to clean, consistency and frequency are important

14. Inside Delete unwanted files on a regular basis Delete unwanted files on a regular basis Empty your Recycle Bin weekly: right-click on Recycle Bin icon and click on Empty Recycle Bin Empty your Recycle Bin weekly: right-click on Recycle Bin icon and click on Empty Recycle Bin Empty Internet Explorer files weekly: click Tools->Internet Options-> Delete Files->check Delete all offline content box->click OK Empty Internet Explorer files weekly: click Tools->Internet Options-> Delete Files->check Delete all offline content box->click OK

15. Inside Delete unwanted system files monthly in one fell swoop Delete unwanted system files monthly in one fell swoop Click Start All Programs Accessories System Tools Disk Cleanup Click Start All Programs Accessories System Tools Disk Cleanup

17. Warning: Do NOT check the Office Setup Files to remove them! Warning: Do NOT check the Office Setup Files to remove them! Other items may be checked for removal as shown in the prior graphic. Other items may be checked for removal as shown in the prior graphic. Click on the More Options tab to see other things you can remove, but remove only those things you understand Click on the More Options tab to see other things you can remove, but remove only those things you understand

19. Inside After removing files and perhaps programs, the hard drive has numerous gaps in its arrangement of programs and files After removing files and perhaps programs, the hard drive has numerous gaps in its arrangement of programs and files To improve performance after removing files, the next step is to close those gaps To improve performance after removing files, the next step is to close those gaps

20. Defragment After deleting all of those files, you need to remove the space on the hard drive where the files had resided, a process called defragmenting or defragmentation After deleting all of those files, you need to remove the space on the hard drive where the files had resided, a process called defragmenting or defragmentation Defragmentation speeds up your hard drive a great deal Defragmentation speeds up your hard drive a great deal Defragmentation makes your programs run faster Defragmentation makes your programs run faster

21. To defragment At the Windows XP desktop, click Start At the Windows XP desktop, click Start Programs Programs Accessories Accessories System Tools System Tools Disk Defragmenter Disk Defragmenter Defragment Defragment

22. This process is similar in Windows 95 through XP This process is similar in Windows 95 through XP Be prepared to wait several minutes for the process to complete Be prepared to wait several minutes for the process to complete

23. Whats it look like? The following slide is a screen capture of a program view of a defragmented hard drive The following slide is a screen capture of a program view of a defragmented hard drive I usually use the Windows application but there are others like Norton SystemWorks Speed Disk, Perfect Disk, I usually use the Windows application but there are others like Norton SystemWorks Speed Disk, Perfect Disk, and Diskkeeper and Diskkeeper

25. Conclusions Cleaning the outside of your PC makes it look better to you and others, making you happy Cleaning the outside of your PC makes it look better to you and others, making you happy Cleaning the inside of your PC makes you and your computer happy because everything works better so you dont end up like this lady Cleaning the inside of your PC makes you and your computer happy because everything works better so you dont end up like this lady

26. Bye now!

27. Maintaining and Protecting Your PC David Cox Brenda Hobdy Region VI TLTC Facilitators