Transcript Unit 9- Data and Hardware Protection

DATA AND HARDWARE
PROTECTION
Unit 9
Objectives
■ Understand types of backups
■ Select a backup method
■ Determine a schedule for backing up data
■ Backup & restore files and folders
■ Clean and maintain a computer
■ Protect a computer from theft and damage
■ Buy or upgrade a computer
Protect Your Data
■ What files are important to
you?
■ Data is very valuable
■ Backup data
– External drive
– Online
Backup Your Data
■ Files= your pics, songs, files
– The files can be saved on a flash drive, CD/DVD, external
hard drive, network.
■ Image= Windows, Programs, Settings & Files
– Used if entire drive stops working
– The system image must be saved on a hard drive.
Win 10
File History
Backup
Mac
Time
Machine
Win 10
Image
Backup
Types of Backups
■ Full Backup
– Complete
■ Differential
– Files changes since last
full backup (Backup 1)
■ Incremental
– File changes since the
last backup
Back That Thing Up!
■ Software
– Built-in OS backup software
– 3rd party software (Acronis)
– Online backup (Carbonite)
■ Save it many places
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External HD
Optical disc
Flash drive
Network folder
Cloud
Review- 3Q
■ Which type of backup saves the changes since the 1st
full backup?
– Differential
■ Which backup would take the longest to make?
– Full
■ Which backup requires you to restore the full first and
then every backup after to recover all files?
– Incremental
Project
■ Carbonite.com
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One page report in teams of 2
What is it?
What can you backup?
How safe are the datacenters?
What is the cost for personal use? (create a chart)
What is a cloud backup & how is it different than cloud
storage
– Would you get it? Why/why not?
Why Keep the PC Healthy?
■ How much do computers cost?
■ You want to protect your investment
■ Easy to maintain
– Keep it physically clean
– Protecting it from bad software
– Protect/Backup your files
Dirty Screen
■ What makes the screen dirty?
■ LCD/LED screens
(Non-glass)
– NEVER spray liquid or Windex!
■ Ruins the anti-glare coating
■ Can leak into monitor
Cleaning the Screen
■ Pre-moistened Wipes
■ Spray & Cloth
– Spray liquid onto microfiber
cloth
■ Use on LCD/LED,
cell phone screen, Tablets,
photo frames, etc.
Dirty Keyboard
■ What makes the keyboard dirty?
■ Could cause it not to work
Cleaning the Keyboard
■ Unplug, turn upside down & shake
over trash can
■ Use compressed air
– Removes dust
– Do over trash can
■ Use wipes
– Clean dirt & germs, disinfects
How to
Clean a
Keyboard
Dirty Mouse
■ Can get sticky & dusty on bottom
– Causes erratic movement
■ Sticky/dirty on top
Cleaning the Mouse
■ Unplug mouse first
■ Use wipes
Activity
■ Let’s clean the monitor, keyboard and mouse in class
Review
■ Your laptop screen is dirty. Why should you NOT use Windex
to clean it?
– Ruins the anti-glare coating & can leak inside
■ What can be used to get food particles & dust out of your
keyboard?
– Compressed air
■ When cleaning an LCD screen with a liquid pump spray, how
do you apply the spray?
– Spray onto the cloth
Dirty Computer Case
■ Dust & dirt build-up clogs fans
– Causes it to overheat & shut down
Cleaning the Case
■ Vacuum outside only
– Unplug PC first!
– Anti-static vacuum inside
■ Use compressed air
– DON’T blow dust inside PC!
■ Wipes to clean surface or
damp cloth
Cleaning Your Devices
■ Keep the laptop, tablet & phone clean
Cleaning
Your
Laptop
Laptop Cooling
■ Take in air on bottom, expel
heat out back
– If you block intake, it gets hot!
■ Cooling Pad/Stand
– Keeps cool air going in
– Prevents overheating
Review
■ How can dust damage your computer?
– Clogs up fans; causes overheating
■ Vacuuming the inside of a computer with a regular vacuum
cleaner can cause what kind of damage?
– Static electricity can damage components
■ When using compressed air to clean dust from computer
fans, how should you do this?
– Blow dust outside of the computer, not in
Laptop/Tablet Transportation
■ Padded Bags or Backpacks
– Protect and cushion when
carrying
■ Sleeves
– Look nice but offer no drop
protection
Protect from Theft
■ Kensington Lock
■ Secure physical devices
■ Businesses or Personal use
Protect from Theft
■ Tracking Software
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Identify location of computer
Alarm sounds
Lock device remotely
Erase data remotely
Remote camera activation
Protect from Environment
Organizing Under Desk
■ Organize cables under desk with Velcro cable ties
■ Keep PC off ground/rug
Project
■ Shop for maintenance accessories
Review- 4Q
■ Before you vacuum any dust from the outside of a PC, what
should you do?
– Power down & unplug the PC
■ When dust clogs fans, what could happen?
– PC overheats
■ The outside of a PC case can be wiped with what two things?
– Cleaning wipes or damp cloth
■ What can be put under a laptop to keep it cool?
– Cooling pad
Power Strip
■ Allows many plugs into one
■ Not recommended!
Protect from Electrical Damage
■ Surge or Spike
– Too much electricity
– Lightning strike or power
fluctuation
■ Power Outages
– No electricity
What’s a surge?
■ An increase in voltage significantly above the designated level
■ Surge Protector diverts extra voltage like a valve
Surge Suppressor
■ AKA Surge Protector
– Better than Power Strip
– Diverts excess electricity
■ What to look for?
– # of outlets
– Joule rating
■ More joules better protection
– Cord length
– $$ protection warranty
Surge Suppressor Features
# of Outlets
Length of cord
# of Joules
Connected equipment
warranty $$
Battery Backup
■ Uninterruptable Power Supply
(UPS)
■ Battery backup PLUS surge
protection
■ Will power equip until you can
save & shutdown
– 7-20 min.
Projects
■ Find a single outlet surge protector for your laptop
■ Find a 6-8 outlet surge protector (strip or wall) for computers with at
least 2500 joules
■ Find a surge/UPS strip with at least 10 minutes of backup time
■ Comparing Surge Protectors Handout (group)
■ Surge Protector Homework Handout
Review- 3Q
■ To protect against stronger types of electricity, what
feature should you look for in a surge protector?
– Joules
■ What surge protector feature describes the replacement
of devices in case of a surge?
– Connected equipment warranty
■ What device gives you time to save your files in the event
of a power outage?
– UPS
Useful Life
■ Personal PC: 3-5 years
■ Special Recycle
– Check with town/county
■ Donate
Buy or Upgrade
■ Consider the costs to upgrade versus a new PC
■ 8GB RAM= better performance; you have 4GB
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You need 4GB more RAM & a 1TB hard drive
RAM: $50
Hard Drive: $100
New computer would cost: about $500
■ Is it worth it? Is your PC in good shape & performing
well?
Buying a Computer
■ What to consider
– Who is using it?
– What will it be used for?
– List the tasks, software
■ Check requirements
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Portability or not
MAC or PC
Brand/Reliability
Storage devices
Peripherals- how many?
Warranty/Support
Support & Warranty
Product Support
Product Warranty
■ Tech support (for the hardware, not OS)
■ Written guarantee for a time period
■ Company will help you troubleshoot
■ If product doesn’t work, manufacturer
will repair/replace
■ Free for a time period
■ Normal wear & tear
■ Then, may charge per call/per hour
■ Does NOT cover damage you do
Upgrading Components
■ New keyboard, mouse (check connections)
– Anyone can add themselves
■ Add RAM or Drives/Cards
– May require pro to install
Project
■ Buying a Computer
– Each student will get a budget amount
– Meet requirements given
– Add to your “My Computer” PPT
■ Slide 1= budget & requirements
■ Slide 2= brand, model, specs, picture, price
■ Recycling
– Look up your town’s/county’s computer recycling program
– Describe what to do with items
DATA AND HARDWARE
PROTECTION
Unit 9