This document provides instructions for running error checking and disk defragmenting utilities in Windows. It contains two activities: Activity 1 describes how to run scan disk to check for file system errors and bad sectors, while Activity 2 explains how to use disk defragmenter to consolidate fragmented files and free up space on the hard disk. Following the steps in each activity allows students to learn how to use these OS-based utilities to optimize computer performance and disk space usage.

1. KKEEMMEENNTTEERRIIAANN PPEELLAAJJAARRAANN MMAALLAAYYSSIIAA
SSeellff AAcccceessss LLeeaarrnniinngg MMoodduullee
CCoommppuutteerr SSyysstteemm
PUSAT PERKEMBANGAN KURIKULUM
KEMENTERIAN PELAJARAN MALAYSIA
IIICCCTTT LLLiiittteeerrraaacccyyy fffooorrr
SSSeeecccooonnndddaaarrryyy SSSccchhhoooooolll
PPPrrrooogggrrraaammmmmmeee

2. ICTL for Secondary School - Computer Software Module
1
MODULE 4
OS BASED UTILITY
Curriculum Development Centre
Ministry of Education Malaysia

3. ICTL for Secondary School - Computer Software Module
2
1. Name of Module : OS Based Utility
2. Learning Outcomes : The Students should be able to
a. run scan disk on the computer
b. defrag the hard disk
3. Knowledge and Skills
a. Error Checking
b. Disk Defragmenting
4. Module Summary
At the end of the module, students should be able to running scan disk and
defrag the hard disk.
5. This module contains acitivities;
Activity 1: Error Checking
Activity 2: Disk Defragment

4. ICTL for Secondary School - Computer Software Module
3
Activity 1: Error Checking
Notes: Error-checking is a tool to check for file system errors and bad sectors on the hard disk
1. Open My Computer, then select the Local Disk (C)
2. On the File menu, click Properties.

5. ICTL for Secondary School - Computer Software Module
4
3. Local Disk (C:) Properties dialog box appears.
4. Click Tools tab, under Error-checking, click Check Now.

6. ICTL for Secondary School - Computer Software Module
5
5. Under Check disk options, select the Scan for and attempt recovery of bad
sectors check box. Then click Start.
6. Checking Disk Local Disk (C:) appears.
Click Start
Click Here

7. ICTL for Secondary School - Computer Software Module
6
7. A message Disk Check Complete will appear once you have succeeded scanning.
Click OK.
8. Close the Local Disk (C:) Properties dialog box.

8. ICTL for Secondary School - Computer Software Module
7
Activity 2: Disk Defragment
Notes: Disk Defragmenter consolidates fragmented files and folders on your computer's hard
disk so that each occupies a single, contiguous space on the volume. As a result, your system
can gain access to your files and folders and save new ones more efficiently. By consolidating
your files and folders, Disk Defragmenter also consolidates the volume's free space, making it
less likely that new files will be fragmented. Disk Defragmenter is a system utility for analyzing
local volumes and locating and consolidating fragmented files and folders.
1. Click Start All Programs Accessories System Tools Disk
Defragmenter.

9. ICTL for Secondary School - Computer Software Module
8
2. Disk Defragmenter dialog box appears. Click on Partition C, then click Defragment.
3. Disk Defragmenter will then initiate analyzing partition C.
Click Partition C
Click Defragment

10. ICTL for Secondary School - Computer Software Module
9
4. Next Defragment begins.
5. Once completed the message box appears. Click View Report.

11. ICTL for Secondary School - Computer Software Module
10
6. The Defragmentation Report will appears. Click Close, to close the report.
7. Click Close in Disk Defragmenter dialog box.
Click Close

12. ICTL for Secondary School - Computer Software Module
11
8. Click File, then click Exit to close the Disk Defragmenter.
9. Repeat Activity 2 to defragment partition D.