Recently upgraded memory, not in use

Hi, I have a HP Probook 6555 mobile computer b, which came with 4 GB installed RAM. Operating system is Windows 7 Professional 64 bit. The record said that the maximum memory that can be installed is 8GB.

I upgraded the RAM 8 GB, DDR3 SODIMM 2x4G.

When I go to system properties, it shows the memory installed as 8 GB, but can be used as on 2.74 GB memory.

When I go to the Task Manager, performance, resource monitor, it shows 5.3 GB as reserved for the material.

I googled a bit and a few people mentioned that I have to remap the memory in the BIOS. The BIOS also indicates the memory installed as 2x4B, but unfortunately the BIOS has no option to remap the memory. The BIOS is updated.

Can someone please help?

Thank you very much.

OK, found the solution.

Nothing to do with the remapping of the BIOS, etc.

Open "msconfig", went to the "boot" tab and click on 'advanced options' ticked 'maximum memory '. After the reboot, now it shows can be used as 7.74 GB memory.

Tags: Notebooks

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