Clean Your PC
Follow these steps to keep your computer healthy.
If you want your computer to last, you need to clean it regularly.
As Roger shows Chris on today's episode of "Call for Help,"
a little maintenance prevents some major hardware failures.
In case you missed the instructions on the show, this guide explains
how to clean your hard drive, monitor, mouse, laser printer, fax,
and scanner.
Before you begin, have the following supplies handy:
Simple Green
409 cleaner (not in a compressed can)
Rubbing alcohol
Goof Off
Compressed air -- 16-oz can
Clean white rags
Q-Tips -- the longer the better
3M toner vacuum
Since 1982, Mike Nadelman has owned his own computer repair business,
Advanced Computer Solutions.
Clean Your Hard Drive
Fans: Check the power supply fan for airflow and the processor
fan for movement at least every six months. Take the case off
of the computer and turn the computer on to check the processor
fan. If one of the fans stops while the machine is on, you need
to replace it immediately to prevent further damage.
Computer case: While the computer case is off, use a can of compressed
air (available at most office supply stores) to blow out the dust.
One caveat: If you are using canned or compressed air, use short
bursts to avoid condensation.
Drives: Clean the floppy drive(s), CD drives, and tape drive
to help prevent errors during use. Clean with either Simple Green
or 409 spray. Be careful not to get the insides of the drives
wet.
Tape drive: If you have a tape drive, you may be able to clean
it by using a long Q-Tip dampened with rubbing alcohol. Open the
door and clean the rubber pinch roller and head located inside.
If you have a DAT, SLT, or DLT drive, this may not be possible,
since the pinch roller and heads are too difficult to access.
Clean Your Monitor
Clean the outside of the monitor with Simple Green, 409, or a
similar cleaner.
Spray a cloth with glass cleaner and wipe the screen. If you
attempt to clean an LCD screen, be careful not to press too hard
on the screen. Be sure to use a clean, soft cloth.
We do not recommend cleaning the inside of a conventional monitor
(CRT) unless you are an experienced technician. The picture tube
retains a high voltage even after the power is shut off.
Clean Your Mouse
Mechanical mouses almost always need cleaning. The easiest way
to clean them is to remove the mouse ball to access the X and
Y rollers. A careful inspection of the small rollers usually reveals
gunk.
This stuff can be removed using a Q-Tip dampened with rubbing
alcohol and a steel dental pick or toothpick to help free the
particles. The ball can also be cleaned with an alcohol-dampened
rag.
Clean Your Laser Printer
Clean the outside of your printer with Simple Green or another
similar cleaner.
Check the fan. It's important to check the operation of the fan
while the printer is running. Some fans run only after the printer
gets hot, so testing this may take some time. A stopped fan will
cause a gradual overheating condition that is serious, but not
instantly fatal to the printer.
Blow dust out of the printer only if there is no major toner
spill.
Clean out toner spills. Toner -- especially color laser toner
-- is hazardous to your health. If you have to vacuum the printer,
use a toner vacuum with a micro-toner filter like the ones made
by 3M.
Check and replace the fuser wand that is usually marked with
the word "Hot." Caked-up toner on this wand will destroy
your printer's fuser and cause image defects.
Clean the ozone filter. In most laser printers this filter is
made of carbon. If there is a lot of dust on this filter you can
order a new one to replace it. If a new filter is not available,
simply remove it and blow out the dust with canned air.
Clean the roller. There are two types of rollers in printers:
hard plastic and rubber. Plastic rollers can only be cleaned with
alcohol. Rubber rollers can be cleaned with Goof Off, which is
available at most office supply stores. It smells awful, but works
well to rejuvenate rubber rollers. Try not to get Goof Off on
any plastic parts, as it will damage them.
Clean Your Fax Machine and Scanner
Scanners and fax machines have lenses that get dirty. Remove
the glass covers and clean them with Windex. Any dust inside these
covers has to be blown out with compressed gas.
The rollers in the fax machines can be cleaned with alcohol. If
the rubber is badly worn, use Goof Off. Be warned that Goof Off
will damage plastic parts, and in some cases it will damage synthetic
rubber rollers. If you're not sure, don't use it.
The outside of the cabinet can be cleaned with Simple Green or
409 cleaner.
What You Need to Clean Your PC
Most cleaning products can be substituted for common items you
have lying around the house.
Here is a comprehensive list of cleaning agents I recommend.
Methanol: Substitute rubbing alcohol or vodka. Use for cleaning
screens, cabinets, or electronic connectors.
Fiberglas brush: Substitute a toothbrush. Used for cleaning small
parts or connectors.
CO2 Dust and Particle Remover: Substitute canned air. Used for
dust removal.
Lint-free rags: Substitute old T-shirts. Use for cleaning screens
and dust-sensitive equipment.
Light machine oil: Substitute 3-N One oil. Use for drive rails
or printer carriage assemblies.
LPS solvent/Label-Off: Substitute D-Solvit. Use for removing
gummed labels.
LCD cleaner: Substitute Formula 409 glass cleaner. Use for LCD
screens and monitor screens.
Soft Scrub: Substitute any metal polish product. Use for removing
minor scratches from plastic.
Plastic abrasive pad: Substitute SOS non-metallic scrub. Use
for cleaning with Soft Scrub or polish.
Rubber Rejuvenator: Substitute Goof-Off. Use for rejuvenating
rubber rollers.
Philips screwdriver #2: Use for opening cases.
Magnifyer: Substitute any magnifying glass. Use for examination
of small parts.
Flux remover: Use for removing varnish from PC boards.
Antistatic wrist strap: Use as a grounding wire for antistatic
protection.
Antistatic bags: Substitute aluminum foil. Use for protecting
circuit boards.
Antistatic solution: Substitute Downey fabric softener. Use for
antistatic treatment of carpets and cleaning rags.
Needlenose pliers: Use for any case adjustments

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