Adjusting Virtual Memory

As noted earlier,if required,Windows Vista will automatically reserve a fraction of hard disk space to
be used as virtual memory or a paging ?le.Virtual memory is used as a temporary storage when the
system runs out of physical RAM.In most cases,you will not need to manually adjust the virtual
memory settings.Typically,Vista will allocate a minimum amount of virtual memory equal to the
amount of RAM in the system.The Task Manager,located in the Taskbar,provides a quick view of
memory usage in the system and can help you decide if you need to adjust the virtual memory set-
tings.The Resource Monitor also provides details on the available resources in the computer,
including system memory.Any of these two utilities can tell you if the system is running out of
memory.Under normal working conditions,if you are running out of virtual memory,Windows
Vista will display a warning message,indicating you need to adjust the size of the paging ?le.
Should you want to manually adjust the size of the paging ?le,the following steps will help you
understand the procedure:
1.Click Start | Control Panel | System and Maintenance | Performance and
Information Tools.
2.Click the link for Adjust Visual Effects on the left-hand panel.You will need to click the
Continue button in the User Account Control dialog box to con?rm your action.
3.The Performance Options window opens.Click the Advanced tab.
4.Click the Change button in the Virtual Memory section to open the Virtual Memory set-
tings page.
5.Notice that the Automatically Manage Paging File Size For All Drives option is checked,
while other options are grayed out.Click this option to clear the checkbox,as shown in
Figure 10.15.
6.Select the hard disk drive in the Drive (Volume Label) box.This will provide informa-
tion about the existing size of the paging ?le on each drive.Note there are three options to
select for the paging File size:Custom Size,System Managed Size,and No Paging File.
7.To manually adjust the paging ?le size,click the Custom Size radio button.
8.Type the Initial Size and Maximum Size in MB.
9.If you want to clear the paging ?le earlier con?gured,click the No Paging File radio
button.
10.Review the information in the Total Paging File Size For All Drives section.This informa-
tion is helpful in determining the minimum,recommended,and currently allocated size for
the paging ?le on each drive.
11.Click OK twice to close the Virtual Memory and the Performance Options windows.


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