There are several additional situations that could cause the usable RAM to be less than expected. These conditions reduce the total amount of system memory that is available to the operating system.įor more information about how to determine how memory is used on your computer, see the " Physical Memory Allocation in Windows 7" topic in the "More Information" section. Graphics memory mapping overwrites a part of the system memory. If 4 GB of system memory is already installed, part of that address space must be reserved by the graphics memory mapping. The version of Windows 7 that is installed (For example, Windows 7 Starter Edition only supports 2 GB of installed memory.)įor example, if you have a video card that has 256 MB of on-board memory, that memory must be mapped within the first 4 GB of address space. The ability of the motherboard to handle memory The devices that are installed in the computer and the memory that is reserved by those devices The reduction in available system memory depends on the configuration of the following: This is expected behavior on computers that are running Windows 7. For example, if it displays 4.00 GB (3.5 GB usable), this means that you have 3.5 GB of usable memory out of 4 GB of installed memory. View the Installed memory (RAM) value under System. To view the installed memory and the usable memory in Windows 7, follow these steps:Ĭlick Start, right-click Computer, and then click Properties. Usable memory is a calculated amount of the total physical memory minus "hardware reserved" memory. Note The amount of usable memory in the examples are not exact amounts. Or, a 64-bit version of Windows 7 may report that there is only 7.1 GB of usable system memory on a computer that has 8 GB of memory installed. Go back to the ‘Performance’ tab and see how much memory you have freed up.On a computer that is running Windows 7, the usable memory (RAM) may be less than the installed memory.įor example, a 32-bit version of Windows 7 may report that there is only 3.5 GB of usable system memory on a computer that has 4 GB of memory installed. Find any non-system or network tasks that you do not need to be loaded or running. You will now see a list of processes running on your machine. Following this go back to the ‘Performance’ tab and see how much memory you have freed up. You have now freed up some memory by ending a nonessential task. If you notice any nonessential applications running then right click the application in the application section and select ‘End Task’. Take a note of how much memory and percentage of the CPU you are using. Here you can view a monitor of your CPU usage and physical memory usage. Once task manager is open you will see the following tabs: ‘Applications’, ‘Processes’, ’Services’, ’Performance’, ’Networking’ and ‘Users’. This can be done by pressing CTRL+ALT+DEL and then selecting ‘Start task manager’ from the menu. The second method is to increase the amount of free memory available to the processor by ending unnecessary or inessential tasks. And what do you know – you have improved your system’s performance by allocating more virtual memory. Lastly type in the amount of hard drive space on the selected hard drive needed for virtual memory. Deselect ‘Automatically manage paging file size for all drives’ if it is selected. Now click on the ‘Advanced’ tab and then select ‘Change’ in the virtual memory section. After this, click on the ‘Advanced system settings’ and clicking ‘Settings’ in the ‘Performance’ section. In windows 7 this can be done by opening ‘Control Panel’ and then clicking ‘System and Security’ followed by ‘System’. The first method to make more memory available on your PC is allocating more virtual memory. Read on to find out some of these tips and tricks. There are however certain tips and tricks to free up or create more memory. The amount of free random access memory or RAM, virtual memory or virtual RAM (made up of free hard drive space called page file) and Graphics Memory can affect the performance of your PC dramatically. All Computers require free memory to run faster and operate efficiently.
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