内存条4g怎么才显示2g(安装内存4g可用2g是什么情况)

It may be that you have installed some software later, and these software are started when the computer is turned on, such as QQ, PPS, etc., which are started when the computer is turned on. , seize memory.

System identification problem. Under normal circumstances, 32-bit cannot read 4G memory magnetic strips. This is the default for both notebooks and desktops. It is recommended to install 64-bit so that it can be read.
2. Hardware configuration problem. Because the overall hardware can only read 2G, the remaining parts cannot be read, because the hardware will have a recognition capability. Only with appropriate hardware can it work normally. No matter how big you place it, the overall function must keep up. Just fine.
3. Driver upgrade. After upgrading all drivers to the latest version, you can see the maximum memory read value.

xp32-bit supports 3.25G memory
xp64-bit compatibility is too poor.

Using 4G memory, XP is not possible. To make 4G memory really work, the following steps must be taken:

1. Motherboard Recognize 4G memory. Generally, the motherboard occupies a certain amount of memory because of the physical bus. If you really want to use all the memory above 4G, it will require

to support remap, which is to map 2G memory to above 4G. space, so that 4G memory can be fully used, because otherwise, the motherboard's physical bus

will occupy the address segment, and the only usable memory is 3G-3.5G (different motherboards, and graphics cards) Depends on the size of the video memory).

It is recommended to use win764 bit. After using the win764 bit, you can install the xp virtual machine. Report completed

There is a driver problem, caused by a virus.