Basic Troubleshooting (Grade 11 NSC Matric Computer Application Technology): Revision Notes
Basic Troubleshooting
Understanding how to perform basic troubleshooting on your storage devices is crucial, especially when these devices contain important information. This section will explore some essential troubleshooting techniques for storage media that every computer user should know.
Storage and processing devices
Many of the basic troubleshooting methods for external storage devices can also be applied to internal storage and processing devices. However, keep in mind that some specific situations may require different approaches, particularly when dealing with RAM or ROM modules where storage media advice might not be suitable.
When troubleshooting storage devices, it's important to distinguish between external devices (like USB drives and external hard drives) and internal components (like RAM, ROM, and internal hard drives), as they may require different approaches and safety considerations.
Formatting
Formatting is the process of preparing a disc to store data effectively. Various discs, including flash discs and hard drives, may require reformatting from time to time.
Remember that formatting will completely erase any existing data on the disc, so you must back up your important files before you begin the formatting process.
Windows 10 includes a built-in disc management tool that makes formatting discs much simpler than in previous versions.
How to format a disc
The Windows 10 disc management tool provides a user-friendly interface for formatting storage devices safely and efficiently.
Worked Example: Formatting a Disc in Windows 10
Follow these steps to format a disc using Windows 10's disc management tool:
Step 1: Click on the Search icon located in the bottom left corner of your screen.
Step 2: Type in "format" to search for the formatting tool.
Step 3: Select "Create and format hard drive partitions" from the search results.
Step 4: This action opens the Disc Management dialogue box.
Step 5: Right-click on the disc you want to format and click on "Format" from the context menu.
Step 6: Choose NTFS (new technology file system) as your file system and select "Default" as the Allocation Unit Size.
Step 7: Click "OK" to format the drive. BE VERY CAREFUL AS THIS ACTION WILL DELETE ALL DATA ON THE DRIVE.
The Disc Management tool provides a comprehensive view of all your storage devices, showing their capacity, file systems, and health status. This makes it easier to identify which drive you want to format and avoid accidentally formatting the wrong device.
Disc scans
Disc scans are powerful tools that can help detect and fix errors in USB flash drives, hard drives, and SSDs. Windows 10 comes with a built-in disc scanner that can identify and resolve many common storage device problems.
Using the disc scanner
The Windows 10 disc scanner works by systematically checking your storage device for problems and attempting to fix them automatically.
Worked Example: Running a Disc Scan in Windows 10
To use Windows 10's disc scanner effectively, follow these steps:
Step 1: Click on the Search icon in the bottom left corner of your screen.
Step 2: Type "Explorer" to open Windows Explorer (or press the Windows key + E as a shortcut).
Step 3: In the File Explorer window, click on "This PC" in the left navigation pane.
Step 4: A list of drives will appear in the right window. Right-click on the drive you want to scan and select "Properties" from the menu.
Step 5: In the Properties window, click the "Tools" tab to access maintenance tools.
Step 6: Click the "Check" button in the Error Checking section.
Step 7: Allow the scan to run without any interruptions for best results.
Step 8: You may need to restart your computer if the scan detects any problems that require fixing.
The disc scanner works by examining each sector of your storage device, looking for errors, bad sectors, or corrupted data. When it finds problems, it attempts to fix them automatically or marks bad sectors as unusable to prevent future data corruption.
Disc defragmentation
Over time, files on your computer's hard drive become scattered across different locations, making your computer slower. This scattered arrangement is called disc fragmentation. Defragmenting your hard drive pulls these scattered bits of data back together, reorganising them in a more efficient way. Windows 10 automatically defragments your hard drive once a week to maintain optimal performance.
The defragmentation process moves data blocks around on the hard drive to bring all parts of each file together in one location. This reorganisation reduces file system fragmentation, which increases the efficiency of data retrieval and improves your computer's overall performance. Additionally, defragmentation cleans up storage space and can provide additional storage capacity by removing gaps between files.
Think of defragmentation like organising a messy bookshelf. Instead of having different chapters of the same book scattered across different shelves, defragmentation puts all the chapters back together in order, making it much faster to read the entire book.
Disc cleanup
While using your computer, you generate many types of files that gradually take up space on your system, eventually making it run slower. In previous grades, you may have learned about zipping and unzipping files to save space, but this might not be sufficient to keep your system running smoothly.
Windows 10 includes a built-in disc cleanup tool that automatically removes various unnecessary files, including:
- Temporary files from internet browsing
- Deleted files and folders stored in the recycle bin
- Temporary files created by the operating system
- Components of the operating system you are not currently using
- Applications or programmes that you do not use
The disc cleanup tool shows you exactly what types of files it will remove and how much space you'll gain. For example, it might show temporary internet files taking up 16.4 MB, downloaded programme files using 267 KB, or delivery optimisation files consuming 44.6 MB of space.
You can review each category of files before deciding whether to delete them. The tool provides descriptions of what each file type contains, helping you make informed decisions about what to remove. For instance, downloaded programme files are typically ActiveX controls and Java applets that download automatically when you view certain web pages.
Regular disc cleanup helps maintain your computer's performance by removing digital clutter that accumulates over time. It's similar to cleaning out your desk drawer - removing items you no longer need makes it easier to find and access the things you do need.
Remember!
Key Points to Remember:
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Always back up important data before formatting any storage device, as formatting completely erases all existing data.
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Use Windows 10's built-in tools for basic troubleshooting - they're designed to work safely with your system and are easily accessible.
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Regular maintenance prevents problems - disc scans, defragmentation, and cleanup should be performed regularly to keep your system running smoothly.
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Disk scans can fix common errors automatically, but you may need to restart your computer after scanning to complete any necessary repairs.
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Defragmentation happens automatically in Windows 10, but understanding the process helps you appreciate why your computer maintains good performance over time.