How To Check Ram In Bios Windows 10

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Symptoms

On a computer that is running Windows 7, the usable retention (RAM) may be less than the installed memory.

For case, a 32-chip version of Windows 7 may report that there is only three.5 GB of usable organisation memory on a computer that has 4 GB of memory installed.

Or, a 64-bit version of Windows 7 may written report that at that place is simply 7.one GB of usable organisation retentivity on a computer that has 8 GB of memory installed.

Notation The amount of usable retentivity in the examples are not verbal amounts. Usable memory is a calculated amount of the total physical memory minus "hardware reserved" memory.

To view the installed memory and the usable memory in Windows 7, follow these steps:

Click Start , right-click Calculator, and then click Properties.
View the Installed memory (RAM) value under Organization. For example, if it displays 4.00 GB (iii.v GB usable), this means that you take three.five GB of usable retentiveness out of 4 GB of installed memory.

Cause

This is expected behavior on computers that are running Windows seven. The reduction in available system memory depends on the configuration of the following:

The devices that are installed in the computer and the retention that is reserved past those devices
The ability of the motherboard to handle memory
The System BIOS version and settings
The version of Windows 7 that is installed (For example, Windows vii Starter Edition just supports two GB of installed memory.)
Other organisation settings

For example, if you accept a video menu that has 256 MB of on-board memory, that retentiveness must be mapped inside the first 4 GB of address space. If iv GB of organization memory is already installed, office of that address space must be reserved by the graphics retentivity mapping. Graphics retentiveness mapping overwrites a office of the system retentiveness. These conditions reduce the full amount of system memory that is available to the operating system.

For more information well-nigh how to determine how memory is used on your figurer, see the "Physical Memory Allocation in Windows vii" topic in the "More Information" section.

What To Try

There are several boosted situations that could cause the usable RAM to be less than expected. These issues and possible solutions are listed here:

Check the system configuration settings

This trouble may occur considering the Maximum retentiveness pick is selected incorrectly. To set this, follow these steps:

Click Start , type msconfig in the Search programs and files box, and and so click msconfig in the Programs list.
In the System Configuration window, click Avant-garde options on the Boot tab.
Click to clear the Maximum memory check box, and then click OK.
Restart the computer.

Update the organisation BIOS

The problem may occur because the system BIOS is outdated. If you accept an older computer, the organization may be unable to admission all the installed RAM. In this case, you accept to update the system BIOS to the latest version.

To update the BIOS on your computer, visit the Spider web site of your calculator manufacturer to download the BIOS update. Or, contact your calculator manufacturer for assistance.

Check BIOS settings

The trouble may occur because some BIOS settings are incorrect.

Enable the retentiveness remapping feature

Bank check the BIOS settings to come across whether the retention remapping characteristic is enabled. Memory remapping gives Windows access to more than memory. You can enable the memory remapping feature in the BIOS by booting to the system setup. See the User'south Guide for your computer for instructions on how to boot to arrangement setup on your calculator. The name for the memory remapping characteristic may be different for dissimilar hardware vendors. This can be listed as memory remapping, retentivity extension, or something similar. Be aware that your estimator may non support the retention remapping feature.
Alter the AGP video discontinuity size in the BIOS settings

Cheque the BIOS settings to see how much memory that you lot have allocated to AGP video aperture. This is the retentivity that the system is sharing with the video card that is used for texture mapping and rendering. This memory would not be used past the system, because it is locked by the video carte du jour. You tin adjust the AGP video aperture size in the BIOS. Standard settings are "32MB,""64MB,""128MB,"and "Auto." Afterward yous change this setting in the BIOS, restart your computer, and then cheque the usable memory. You can test each setting to encounter which offers the all-time results.

Cheque possible issues with the concrete RAM

The trouble may occur because there are issues with the physical RAM installed.

Cheque whether you take bad retention modules

To cheque whether you are experiencing this result, turn off the computer, unplug the reckoner, and then swap the order of the retention.
Make sure that the retentivity arrangement is correct

Refer to the User'due south Guide of the computer to determine in what club the retention modules should exist inserted into the retention slots. The system may require you to use specific slots when you are not using all the available slots. For example, the figurer has four slots available. But you may take to apply slot one and slot 3 if you want to use just two memory modules.
Check whether memory standoff cards are used

If you employ a memory standoff carte to concur multiple retention modules on the computer, the system may require specific configurations for this scenario. Therefore, the usable memory may be less than expected.

More Information

The following sections offer additional information about retention allocation as reported in the Resource Monitor, draw the terminology used, and offer additional information on Memory reporting and retentiveness limitations in Windows seven.

Physical memory allotment in Windows 7

The following tabular array shows how the Resources Monitor categorizes the retentiveness currently installed on a Windows 7-based figurer.

Retentiveness allocation	Clarification
Hardware Reserved	Memory that is reserved for use by the BIOS and some drivers for other peripherals
In Employ	Retention that is used by process, drivers, or the operating system
Modified	Retentivity whose contents must get to deejay before information technology can be used for another purpose
Standby	Retentivity that contains cached data and code that is not actively in apply
Free	Memory that does not incorporate any valuable data and that volition be used first when processes, drivers, or the operating system demand more memory

Annotation To view how the installed memory is allocated in Windows seven, follow these steps:

Click Kickoff , blazon resource monitor in the Search programs and files box, and then click Resource Monitor in the Programs list.
Click the Retentiveness tab, so view the Concrete Retentivity section at the bottom of the page.

Retentivity status in Windows vii

The following tabular array defines the Resource Monitors current reported status of the installed retentiveness on a Windows 7-based figurer.

Memory allotment	Description
Available	Amount of memory (including standby and gratuitous retentivity) that is immediately available for use by processes, drivers, and the operating system
Buried	Corporeality of retentiveness (including standby and modified memory) that contains buried data and code for rapid access by processes, drivers, and the operating system
Total	Amount of physical memory that is available to the operating organization, device drivers, and processes
Installed	Corporeality of physical retention installed in the figurer

Windows 7 retention reporting

Windows 7 reports how much physical retention is currently installed on your figurer. Windows NT-based operating systems earlier Windows Vista Service P1 report how much retentiveness is available to the operating arrangement. The bachelor retentivity reported in these earlier versions of Windows does not include hardware reserved retention. This is a reporting alter just.

You volition see this reporting change in Windows Vista SP1 and later versions of Windows in the following locations:

The RAM value in Welcome Center
The Memory value at the bottom of the My Reckoner windows
The Retentivity value in the System Properties windows
The Full corporeality of organisation memory value of the View and Print Details page of the Operation Information and Tools item in Control Panel

Additionally, the System Information tool (Msinfo32.exe) displays the post-obit entries on the System Summary page:

Installed Physical Memory (RAM)
Total Concrete Memory
Available Physical Memory

The reporting in the following diagnostic tool has not inverse:

The Performance tab in Task Manager

When the concrete RAM that is installed on a computer equals the address space that is supported by the chipset, the total organisation memory that is available to the operating organisation is always less than the physical RAM that is installed.

For example, consider a computer that has an Intel 975X chipset that supports 8 GB of address space. If you install eight GB of RAM, the system retention that is bachelor to the operating system volition be reduced by the PCI configuration requirements. In this instance, PCI configuration requirements reduce the memory that is available to the operating organization by an amount that is between approximately 200 MB and approximately 1 GB. The reduction depends on the configuration.

Concrete memory limits in Windows 7

The post-obit tabular array specifies the limits on physical memory for the unlike versions of Windows 7.

Version	Limit in 32-bit Windows	Limit in 64-bit Windows
Windows vii Ultimate	4 GB	192 GB
Windows 7 Enterprise	4 GB	192 GB
Windows vii Professional	4 GB	192 GB
Windows 7 Dwelling house Premium	4 GB	16 GB
Windows 7 Home Basic	four GB	eight GB
Windows 7 Starter	2 GB	ii GB

For more information near memory limits for Windows releases, click the post-obit link to view the article on the Microsoft Web site:

Memory Limits for Windows Releases

References

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, unsaid or otherwise, about the functioning or reliability of these products.

Demand more aid?

Source: https://support.microsoft.com/en-us/topic/the-usable-memory-may-be-less-than-the-installed-memory-on-windows-7-based-computers-3d194dc3-39b9-fae7-74d8-59931b53d2c2

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