Routine Maintenance
Chapter Seven - Software Utilities
119
System File Checker
If a program that has been working suddenly stops, it’s usually because there’s
either a problem in the Registry, or a system file has been corrupted or replaced
by a recently installed program. If the Registry Checker doesn’t report a problem,
you’ll want to inspect the system files with the System File Checker utility.
By default, System File Checker scans all the Windows 98 system files—the ones
with extensions like .DLL, .COM, .VXD, .DRV, .OCX, .INF, and .HLP—looking for
any that have been modified or corrupted. If it finds one, it lets you restore the
original file from your CD, verify the change as a legitimate update, or ignore the
change, in which case you’ll be asked about it again the next time you run System
File Checker.
To run the System File Checker:
1. Click on Start.
2. Select Programs>Accessories>System Tools>System Information.
3. On the taskbar choose Tools>System File Checker.
4. Select Scan files for errors, and then click the Start button.
The program begins checking all your files. If a file is found to be corrupted, the
original file (on the Windows 98 CD-ROM) is copied to your hard drive to replace
the damaged file.
Defragmenting Your Hard Disk
Running Defrag can speed up the operation of your computer. Data is stored on
your hard drive in clusters. Through normal use of your computer, these clusters
will become spread out or fragmented on your hard drive. When your files become
fragmented, it takes longer for the CPU to read and write data. For best system
performance, it is a good idea to defragment your hard drive so that the clusters of
data are in a contiguous string.
To Defragment your hard drive, follow the instructions as outlined below:
1. Click on Start.
2. Select Programs>Accessories>System Tools>Select Disk Defragmenter.
3. Select the drive you wished defragmented. If you have more than one hard
drive, you may wish to select All Drives.
4. For more advanced options, Advanced Options tab.
5. Chose a defragmentation method.
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