I have set up Windows 7 Ultimate x64. In System Properties, Windows inform me I contain 4Gb RAM but simply 3Gb is working which is shown in the following manner format: Installed memory (RAM): 4.00 GB (3.00 GB usable). Proceeding to this fitting, I have Vista Ultimate x64 set up and that forever showed 4GB and every of it was useable. What is it regarding Windows 7 that has altered this? If this is certainly a trouble source by BIOS settings, I have not distorted them in any method so does this signify that Windows 7 modify the BIOS settings at the position of install? I do not consider this to be connected to a number of memories being owed to my Graphics Card; it previously has 512MB of enthusiastic memory. Why would Windows 7 allocate it one more 1GB of RAM, giving me a whole of 1.5GB graphics memory? As I supposed, this was by no means a trouble on Vista Ultimate x64. Please help me.
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