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Computing Tips

As many of you know, CellStream is a Microsoft partner.  We always welcome questions and comments about computing, using servers, email, and what Microsoft has to offer from our customers and potential customers.  We dedicate this page to technical tips for computer and server users and welcome contributions and feedback.

A blanket disclaimer: we provide all the information below as informational.  We take no responsibility for any damage you may inadvertently cause by trying to do the things we discuss without the appropriate technical guidance.  Every computer is different.  So please take care to consult with a professional before altering content of your computing system.  Lastly we take no responsibility whatsoever for information we do not author but may point you to below.

List of topics

How can I save disk space?
What maintenance should I run on my computer, if any?
Removing unused Device Drivers
Faster Booting by cleaning out the Windows Pre-Fetch folder
Troubleshooting Device Drivers

 

Topics

How can I save Disk Space?

There is no one "great" answer to this question.  Usually saving disk space also maximizes performance of your computing platform.  We fundamentally recommend: a) proper maintenance (see other tips below) and b) the occasional 'spring cleaning' (as also discussed below) combined with the c) use of a utility to clean your unused space (we like both Eraser or BCWipe).  Want more specifics, well we have found a great PDF file that has some great suggestions in it.  You can grab a copy of this file by clicking here.

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What maintenance should I run on my computer, if any?

Maintaining the system is always a good idea, and it should be habitual.  We break maintenance into three types: a) continual, b) periodic, and c) occasional.  We recommend you get into a routine by inserting to-do's or calendar reminders to run maintenance until you do it automatically.  So let's look at a good maintenance plan:

  • Continual Maintenance
    • This refers usually to constant or daily practices.
    • Use a virus checking tool that is always active (like McAffee or Norton or other).  Make sure these applications are in an automatic update mode so if new viruses are found, your tool is automatically updated.
    • Use a Spyware remover/blocker such as Microsoft's AntiSpyware application.  Make sure it is also always operating and set to automatically update.
    • Use an anti-spam tool or provider and don't even open the spam.  We like that our email server marks spam and then we all have a rule set in outlook that deletes the spam before we even read it.  With the proper tools and laws in place today, you should receive very little spam, and if you receive enough to complain about it, you either aren't using the right tool or have not properly configured your applications.
  • Periodic Maintenance
    • This refers to weekly or monthly activities.  We suggest which is which below, but readers should adopt best practices based on their own usage of the computer.
    • Perform backup's of your essential documents.  There is usually little need to back up applications, as you probably have the CD's they came on.  Just about everything else is found in the My Documents area or as a function of the application itself having a backup process (i.e. Quicken).  We like to back up to our server, and we love a utility that essentially synchronizes our PC's with our backup directories called Beyond Compare.  You can also use this utility to synchronize two connected PC's.  Very nice!
    • Make sure your file system is error free and tidy.  We like doing this about two times a month, or monthly if you do more web browsing than file creation.  Windows provides the best utilities for this.  Before you do this, note that the process can take up to an hour or slightly more depending on your disk size and content, so plan accordingly.  OK.  They can be easily seen by clicking Start>>My Computer.  Then Right Click on your Hard Drive icon (i.e. Local Disk C:). Select Properties.  Click on the Tools tab - then in the Error Checking area, select the Check Now box.  Select both boxes and then click Start.  You will likely be prompted to do this at the next reboot - select Yes.  Now reboot your system and the Windows CHKDSK will start doing its thing.  DO NOT INTERRUPT this 5 step process.
    • Only after a CHKDSK process as described directly above - we recommend a monthly defragmentation of your hard drive.  Again, Windows has this utility and defragment only if windows recommends to do so.  Defragmenting will make a big difference on highly fragmented files systems.  This tool can be easily seen by clicking Start>>My Computer.  Then Right Click on your Hard Drive icon (i.e. Local Disk C:). Select Properties.  Click on the Tools tab - then in the Defragmentation area, select the Defragment Now box. Now click on the Analyze button.  The system will analyze your hard disk and tell you whether to proceed with defragmentation.  DO NOT interrupt or multitask with this utility running.  Let the computer do the job, and as we said earlier, it will take time.
    • About every week or so, we like to use the Microsoft AntiSpyware tool and click on the Advanced Tools icon.  From here, select the Tracks Eraser icon by clicking on it.  Select Check All and then the Erase Tracks button.  This tool essentially wipes out all the history files, including Internet Explorer, and other applications.   You will find this speeds up your web browsing and application launch!  Plus it provides great privacy if other use your system.  If you don't have this tool you should get it from Microsoft - it is free.
    • Depending on how much web browsing you do, it is always a good maintenance practice to get rid of temporary files that Explorer and other web browsers keep.  In Microsoft Explorer it is easy.  Right Click the explorer icon on your desktop and select Properties.  From the General Tab, click these in order (you may have to wait a while between each selection....be patient).   First, delete cookies...then Delete Files (select delete all offline content)...and lastly Clear History.
    • More to come......

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    Removing unused Device Drivers

    When you install a device driver on a Windows XP machine, the operating system loads that driver each time the computer boots regardless of whether the device is present—unless you specifically uninstall the driver. This means that drivers from devices that you have long since removed from your system may be wasting valuable system resources.

    Follow these steps to view and remove these unnecessary device drivers:

    1. Press [Windows]+[Break] to bring up the System Properties dialog box.
    2. Select the Advanced tab and click the Environment Variables button.
    3. Click the New button below the System Variables panel.
    4. In the New System Variable dialog box, type devmgr_show_nonpresent_devices in the Variable Name text box and 1 in the Variable Value text box.
    5. Click OK to return to the System Properties dialog box and then click OK again.
    6. Select the Hardware tab and click the Device Manager button.
    7. In Device Manager, go to View | Show Hidden Devices.
    8. Expand the various branches in the device tree and look for the washed out icons, which indicate unused device drivers.
    9. To remove an unused device driver, right-click the icon and select Uninstall.

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Faster Booting by cleaning out Windows Pre-Fetch Folder

One of Microsoft's big selling points for Windows XP was that it loads applications much faster than its predecessors. To accomplish this feat, Windows XP uses what is called the "Prefetch technique," in which the operating system gathers information about each program that you launch and stores that information in the \Windows\Prefetch folder. Then on subsequent restarts, Windows XP uses the information in the Prefetch folder to essentially preload parts of those programs at boot time. Thus, when you launch your application, it appears to load really fast.

However, the Prefetch folder can accumulate too much information over time. This makes the operating system so busy loading bits and pieces of lots of applications into memory that it ends up slowing down the boot process. Fortunately, you can clean out the Prefetch folder at any time. Follow these four steps:

  1. Access the Run dialog box by pressing [Windows]R.
  2. Type Prefetch in the Open text box and click OK.
  3. Press [Ctrl]A to select all the files.
  4. Press [Delete].

As you use your system, Windows XP will rebuild the contents of the Prefetch folder.

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Troubleshooting Device Drivers

Device drivers: which ones are running on your Windows Xp Professional System??  Here is how you find out:  you can find detailed information about specific drivers being used in a Windows XP system by going to Device Manager, selecting the device from the list, and drilling down to the device's properties sheet. While this technique is fine when you're looking for information on one specific device driver, it's not very efficient when you're interested in information about a number of device drivers—it's just too time consuming.

To ease the task of gathering information on a number of device drivers, you can use a tool called Driver Query (Driverquery.exe). When you run this tool, Driver Query provides you with a detailed list of all the device drivers installed on a local system, or on any system on a network—and using it is easy.

  1. Open a Command Prompt window. Start>Run>cmd
  2. Type Driverquery on the command line.

The results are displayed in a table format in the Command Prompt window. If you want to perform more detailed analysis, you can direct the Driver Query to save the results in a CSV file so you can open them in a spreadsheet application such as Excel. To do so, type the following on the command line:

Driverquery  /v  /fo  csv  > drivers.csv

Note: This tip applies only to Windows XP Professional.

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