Previous "Q&A" columns:
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New program can trip intruder alert
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'Rolling lines' likely fault of cable firm
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Battery-powered TVs suddenly turn digital
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In the right hands, cookies are harmless
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Spyware, adware are real drags
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Mouse, keys out cold when screen freezes
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Degauss monitor or shop for stylish flat-panel model
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Read this it may help you get rid of 'read only'
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TV viewers keep an eye on converter-box news
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Unplug gadgets during storms
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Focusing in on the cause of a distorted photo
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It's better to turn off an idle laptop
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Reset wireless router, then write down and save the password
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Wrong date/time? Bad battery is likely the cause
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On-or-off debate a stalemate, so you be the judge
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Ubuntu works great, easy to install
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Loud internal fans aren't always a sign of trouble
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All-in-one machines are fine, but the maintenance is tricky
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Have lots of photos? Use a Web page to share them
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Why does new camera need PhotoShop?
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Before reinstalling Windows, make sure you know the steps
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You don't need a special HD antenna
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If Windows XP is getting slow, consider a Mac
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Conversion to digital generates reader buzz
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AVG Free 7.5 anti-virus upgrade will also be free
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Add more memory, clear adware on slow computer
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Splits hurt quality of cable signal
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No guarantee an indoor antenna will get a digital signal
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For HDTVs, power protection depends on projection
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Battery-rejecting camera a mystery readers may solve
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There's no need to hack into your own machine
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Be wary of tucked-away disk
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Mounting flat-screen TV above fireplace a bad idea
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Installing a flat-screen TV is not like hanging a picture
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No permanent method to protect stored data
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Avoid programs that 'fix' what isn't broken
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Still leery of making a leap to jump drives
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Is HDTV the same as digital TV?
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Time can't erase all plasma TV burn-ins
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Don't rely on fire safe to protect hard drives
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DVD-RW lets you erase what you record
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Will we have to switch to digital radio?
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Neither Vista nor XP is perfect
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How often, how much to back up your computer
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A 'not here' reply is fine on the job, unwise at home
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In laptops, Mac vs. PC difference is less clear-cut now
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Free services are worth every penny
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A router keeps your computer relatively safe
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Moving data from XP to Vista should go well
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To transfer data, research first
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Backing up data is crucial when using restore disc
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Net linkup not cause of 'fluttering' monitor
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Ancient Apple floppy an unreadable riddle
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Registry cleaners can leave you in a fix
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Flickering monitor is ready to be retired
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PCs reveal their weak spots quickly
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It's not a bug, it's a feature
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Don't be afraid to seek repair shop's references
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Anti-virus programs usually don't get along
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Spam to outbox might foil anti-virus program
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Free anti-virus software available
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Satellite ISPs reach everywhere
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Power-saving options can be adjusted easily
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Hand-me-down PC may be right for son
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It's a mistake to type secrets using public Wi-Fi connection
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Laptop hard drives can be erased - if you dare
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Replacing entire computer often beats upgrading
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Adding memory can rev up a PC
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Sooner or later you'll get Vista, but don't rush
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Printers can be shared on network
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Several factors might cause computer slowness
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Microsoft knows when your Windows is fake
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Alternative to Office can be downloaded for free
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Vista isn't worse than other big upgrades
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AVG does a superb job in combating viruses
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Software can convert old videotapes to DVDs
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Rescuing hard drive can require lots of hard cash
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Two anti-virus programs can harm performance
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Mac users shouldn't get too cocky about viruses
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It's better to get a laptop that has Vista installed
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Digital cameras have no problems in airports
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Let your laptop battery run down, then charge it
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Using more than one spyware program is OK
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Backup power a good idea for projection screen TVs
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Hibernation mode OK on wireless networks
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Pull the plug on DSL problems
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Service contracts on PCs are a good bet -- for the seller
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Not all devices, software play nicely with Vista
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Wait a while before leaping to latest Microsoft browser
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Battery backup a good idea for some types of HDTVs
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Substandard HDTV signal calls for a better antenna
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Spybot anti-virus program gets along fine with Norton
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In a mass e-mailing, it's easy to hide addresses
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Band saw not necessary to protect hard drive data
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Slow computer can stem from numerous causes
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A home computer can be password-protected
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Don't despair if you need a part from a defunct firm
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Some HDTVs can use a card that functions like a cable box
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Internet Explorer 7 a pain to many, but relief is possible