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How to increase the virtual memory size in your computer

If you receive a message in Microsoft Windows Vista or XP stating that your system is running low on virtual memory, the following steps can be performed to prevent this message from appearing and even enhance the performance of your system. To increase the size of your virtual memory, select your operating system and follow the steps below.

Windows Vista
Windows XP

Windows Vista
First, determine how much memory (RAM) you have installed on your system. To find out how much memory (RAM) you have installed on your system:
  1. Click Start, then click Control Panel.
  2. Click System and Maintenance, then click System. Under Memory (RAM), the amount of RAM you computer has will be displayed.

Increase the Virtual memory size

  1. Click Start, then click Control Panel.
  2. Double-click System and Maintenance, then click System.
  3. In the left hand menu, click Advanced system settings. If you are prompted for an administrator password, type the password.
  4. Click the Advanced tab.
  5. Under Performance, click Settings.
  6. Click the Advanced tab.
  7. Under Virtual memory, click Change.
  8. Uncheck the "Automatically manage paging file size for all drives" check box.
  9. Under Drive [Volume Label], click the drive that contains the paging file you want to change.
  10. Click Customize size.
  11. Change the Initial Size and Maximum size text boxes (these sizes are in megabytes).
  12. Click Set, then click OK.

Windows Vista sets the initial minimum size of the paging file to the amount of memory (RAM) installed on your system plus 300 MB, and the maximum size at 3 times the amount of memory (RAM) installed on your computer.

Increasing the size of virtual memory size does not usually require a restart in Windows Vista. If you decrease the size, restart the computer for the changes to take effect. Deleting or disabling the paging file is not recommended.

Windows XP
First, determine how much memory (RAM) you have installed on your system. To find out how much memory (RAM) you have installed on your system, right-click My Computer, then click properties. The amount of RAM will be displayed at the bottom under the General tab.

Increase the Virtual memory size

  1. Open My Computer.
  2. Click View system information in the left hand side of the My Computer window.

    View system information

    The System Properties window will be displayed.

  3. Click the Advanced tab. Under performance, click Settings. The Performance Options dialog box will be displayed.
  4. Under the Performance Options dialog box, click the Advanced tab.
  5. Under the Virtual memory section, click Change. The Virtual Memory dialog box will be displayed.
  6. In the Virtual Memory dialog box, change the Initial Size and Maximum size text boxes (these sizes are in megabytes).
    For example: You can change the Initial and Maximum sizes to 1.5 times the amount of RAM you have. If you had 768 MB of RAM installed on your system, you would enter 1152 MB RAM in both the Initial Size (MB) and Maximum Size (MB) text boxes.

    Virtual memory

  7. Click Set, then click OK. A message will appear stating that you will need to restart your computer. Click OK.
  8. Click OK.
  9. Click OK.
  10. You will be asked if you want to restart your computer, click Yes.

 

 


  • Alias ID: MIGR-67530
  • Document ID: HT002951
  • Last Updated :6/17/2014
  • (c) 2014 Lenovo