Notes
Slide Show
Outline
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Local Government Corporation
  • PC Maintenance


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Keeping Your Computer Healthy
  • Lightening and How to Protect
  • Microsoft Windows Updates
  • Viruses - Norton Antivirus
    • Updating
    • Performing Scans
    • Checking Virus Status
  • Spyware – Spybot 1.4
    • Updating
    • Performing scans
    • Removing items
  • Defragmenting
  • Scandisk
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Thermal Damage
  • Temperature extremes can damage your computer, but if you use a little caution and common sense you can minimize this effect. Only turn on your PC if the ambient room temperature is between 55-90 degrees Fahrenheit. Outside of this range and you should let the room cool or warm as necessary then allow another 30 min to 1 hr for the internal parts of the computer to reach the same temperature as the room before you turn on your PC. Performance PC's and servers should not be left on when the ambient room temp is above 85 degrees Fahrenheit.
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Electrical Damage
  • Industry studies show that 80% of electrical surge computer damage is caused by energy coming into the computer through the telephone line connection to your modem.
  • 24% of computer owners in the U.S. will suffer some kind of electrical surge damage to their computer this year.
  • According to an IBM study, 120 electrical “disturbances” hit a typical computer in a typical month.
  • Here is what experts in the field recommend as reasonable measures to take to protect your system from electrical storm surge damage:
  • The “pay me now or pay me later” adage really applies here. Purchase and install a GOOD surge suppressor that includes telephone modem line protection as soon as possible. The other applicable adage is “you pay for what you get”. Very cheap invariably means virtually useless.
  • If you get caught without surge protection, turn off and disconnect (unplug) both the power AND telephone line connections to your computer until the storm has passed. Later, reread and contemplate on #1 above.
  • DO NOT USE YOUR COMPUTER DURING ELECTRICAL STORMS.
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Electrical Protection
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Lightning Damage
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Windows Updates
  • If you are using Windows NT, 2000 or XP machines you need administrator privileges to do updates.
  • Microsoft does not supply new updates for Windows 95 & 98
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"To begin doing updates"
  • To begin doing updates,
  • 1. Click on "Start" in your computer
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"2"
  • 2. Go to "Programs" and then to "Internet Explorer"
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"3"
  • 3. In the Internet Explorer window go to "Tools" --> click on "Windows Update"
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"4"
  • 4. Click on "Scan for Updates" in the webpage
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"5"
  • 5. Webpage will change progressively from 0% to 100% and then Click on "Review and install updates"
  • Note:- Clicking on “Review and Install updates” will install only the “Critical Updates and Service Packs”
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"6"
  • 6. Click on "Install now" button
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"7"
  • 7. You may have to restart your computer after the installation is completed. Without restarting your computer most updates will not work.
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"8"
  • 8. After restarting computer go thru steps 1 to 5 and make sure there are NO "Critical Updates and Service Packs"
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What is a Virus or Worm?
  • Viruses, worms, and trojan horses are all different types of harmful programs that are sometimes collectively referred to as "malware" (malicious software). If they get onto your computer and “infect” it, they can cause a variety of problems such as the loss of your data or files and the corruption of your installed software programs so they do not work properly anymore.
  • Viruses hide themselves in other files, which often makes them impossible to detect just by looking at the file itself. Because of this, you need anti-virus software to detect viruses
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What is Spyware?
  • Any software that covertly gathers user information through the user's Internet connection without his or her knowledge, usually for advertising purposes. Spyware applications are typically bundled as a hidden component of freeware or shareware programs that can be downloaded from the Internet. Once installed, the spyware monitors user activity on the Internet and transmits that information in the background to someone else.
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If You Have A Virus or Spyware
  • Your system suddenly runs much slower
  • Your system crashes or locks up often
  • Your system restarts often without any interaction
  • You see strange error messages or pop-up boxes
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Norton Antivirus Updates
  • Norton Antivirus software is only effective if its virus definition file is up-to-date. This file is a database of current viruses used to detect and, in some cases, clean infected files. New viruses emerge often so it is crucial that you update Norton's virus definition file on a weekly basis.
  • The Norton Antivirus automated update process is called Live Update.
  • Note: You must be connected to the Internet to update Norton.
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"1"

  • 1. Open the Norton Antivirus application. Click the Start Button, select Programs, then Norton Antivirus Corporate Edition. Or double Click the Yellow Shield in the Task Bar
  • 2. Click Live Update.
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"3"
  • 3. Live Update is preconfigured to update itself so you should not need to change any settings.
  • Click Next.
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"4"
  • 4. Live Update will begin to download files from the Internet.
  • 5. Click Finish when this has been completed
  • 6. Return to Live Update until it reports there are no new updates available
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Performing Scans
  • Norton scans all downloaded files for computer viruses, but unfortunately, it's not a foolproof system. Viruses can occasionally slip past if there is no record of the virus in Norton's virus definition file. For best security, perform occasional virus scans of the entire hard drive.
  • Note: Run Live Update to download the latest virus definition files before scanning.
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"1"
  • 1. Open Norton Antivirus in the Start menu.
  • 2. Double-click Scan in the left frame and click Scan Computer.
  • 3. Select the desired drives and folders to scan and click Scan to begin. The icons used to select folders is explained below.


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Check Virus Status
  • 1. Double-click Histories in the left frame and click Threat History.
  •  2. In the window on the right look at the action taken. It should say Deleted or Quarantined. If it says Left Alone, then the virus is still there.


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Spybot 1.4
Updating
  • 1. Start Spybot - Search & Destroy.
  • 2. The main program screen will appear.
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"3"
  • 3. Click on the Search for Updates button.
  • 4. A list of updates appears.
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Immunize
  • Click on the Immunize button in the left column.


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Search & Destroy
  • 1. Click on Search & Destroy icon on the left-hand side of the screen.


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"2"
  • 2. Click on Check for problems. The scan will take several minutes to complete. The scan progress bar appears at the bottom of the window. A list of problems found will appear in the window.


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"3"
  • 3. Read through the list of threats. Sometimes all the boxes in the list are not automatically checked and you will need to manually check them (you can do so by checking the items that are in red).
  • NOTE: Our recommendation is that you check all items to fix all of the problems.
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"4"
  • 4. Click on Fix selected problems.


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"5"
  • 5. Spybot will create a System Restore point before repairing the problems.
  • 6. Click Yes in the window that says You are about to remove these entries. Do you want to continue?


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"7"
  • 7. A green check mark appears next to all of the problems fixed and a window will appear notifying you x problems fixed, where x is the number of problems you had.


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Defragmenting
  • 1.  To defragment your hard drive in Windows XP, 2000, 2003 open My Computer and right-click on the C: drive. Select Properties, then click on the Tools tab and select Defragment Now...
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"2"
  • 2.  The Windows Disk Defragmenter program will open and all drives are listed in the top window pane.  Since the program is going to be arranging files on your hard drive, it is important that no files are being accessed during the process, or the program won't be able to move them.  Close all open program.




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"3"
  • 3.  The C: drive is where operating system files and programs are installed by default, so make sure that it is selected, then click Defragment. While the program is running, it is recommend that you not use your computer. The time is takes to run the defragmenting process is dependent on the size of your hard drive and amount of fragmentation.
  • While the program is running you will see a graphical representation of the blocks of files on your hard drive being moved and the fragmented segments joined together.  Usually the less gaps of free space between the contiguous segments the better, but as long as the fragmented files are put together into contiguous segments, it will help your computer's performance.



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"4"
  • 4.  Once the process is complete, the graphic should display most of the contiguous files on the left and the majority of the free space on the right. Close the Disk Defragmenter window and resume using your computer.
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Scandisk
  • Windows 95/98/ME Users:
    Click on the Start Menu then select Programs, Accessories, System Tools, then Scan Disk. Select the drive you would like to check, then select the type of test you would like to run (standard or thorough). Finally, click Start .
  • WindowsNT/2000/XP Users:
    What we all came to love as "Scan Disk" is now called "Error Checking"
  • Double click your My Computer icon. Right click on the C: drive. Select Properties then choose the Tools tab . Under Error Checking , click the Check Now button. A dialog box will pop up, check both check boxes and click Start .
  • A dialog box will pop up telling you, "The disk check could not be performed because exclusive access to the drive could not be obtained. Do you want this disk check to be scheduled the next time you restart the computer?"
  • Click Yes!
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Thank You For Attending
PC Maintenance
Resource 2006
  • Please Feel Free To Ask Any Questions