Having problems with your PC Laptops ?

Brand new gateway m-6846 vista 64bit

\015 I keep having to take my brand new laptop back 4 times in one week. they keep giving me a new one cause they dont know what is wrong. i did a little research and in 3 minutes i found the problem online. it says something about 64 bit vista not liking anything higher than 3 gb of ram, yet my brand new one comes with 4gb ram on it from factory. how can i fix this so i dont have to keep returning and can enjoy my laptop that i paid for. the blue screen keeps popping up. that is how i found the problem but i dont understand how to fix it? help\015

Answers :

The maximum amount of memory that your system can use is actually limited in two ways — not only is there a maximum amount of memory that your computer motherboard can accept, there is also a maximum amount of memory that your operating system (OS) can accept.

For instance, when you install 4GB of memory in a 32-bit Windows system (the most common version; 64-bit systems are typically used only by high-end users), your system will see (and utilize) only 3GB or 3.5GB.
Relax, there isn't a problem with the memory. Windows allows for 4GB of memory to be addressed, but this isn't 100 percent the same as having 4GB of physical memory.

What happens is that some of the addressable memory (regardless of how much you have physically installed) is reserved for use by page files or by some of the devices that you are using, such as a graphics card, PCI card, integrated network connections, etc., so it's unavailable for use as normal main memory.

The amount of memory needed for these devices is calculated by your system at startup; if you haven't maxed out the memory in your system, it's invisible to you, and all your physical memory (the RAM that's installed) is available for use. However if you've maxed out the DRAM in your system, this amount will be deducted from your physical memory, so you can't use 100% of your DRAM.

The maximum memory limitation varies by operating system; for instance, the 4GB memory limitation doesn't exist in 64-bit versions of Windows.

Memory maximums for current Microsoft® Windows OSs include:
\015\012

    \015\012
  • Windows XP Home: 4GB
    \015\012
  • Windows XP Professional: 4GB
    \015\012
  • Windows XP 32-bit: 4GB
    \015\012
  • Windows XP 64-bit: 128GB
    \015\012
  • Windows Vista Home Basic: 4GB
    \015\012
  • Windows Vista Home Basic 64-bit: 8GB
    \015\012
  • Windows Vista Home Premium: 4GB
    \015\012
  • Windows Vista Home Premium 64-bit: 16GB
    \015\012
  • Windows Vista Ultimate: 4GB
    \015\012
  • Windows Vista Ultimate 64-bit: 128GB+
    \015\012
  • Windows Vista 32-bit: 4GB
    \015\012
  • Windows Vista 64-bit: 128GB+
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