我的电脑运行的是 Windows 10（来自 Windows 7），我决定将它与 Ubuntu 双启动。我遇到了这个棘手的问题；我有 2 个 ddr3 内存插槽，我在上面放了 4GB 和 2GB 的内存条，运行正常，但过了一段时间，Windows 上的任务管理器显示我在硬件上保留了 2GB 的内存。我尝试在 htop 上检查这一点，结果显示相同。GRUB 是否可能将内存保留了？我尝试了 CMOS 重置、在 Windows 10 上进行了一些简单的配置、运行没有 GPU 的 PC，但都无法永久起作用。Ubuntu 上有没有解决方案？谢谢。
OS Name Microsoft Windows 10 Pro
Version 10.0.18362 Build 18362
Other OS Description Not Available
OS Manufacturer Microsoft Corporation
System Name NIMITZ
System Manufacturer Gigabyte Technology Co., Ltd.
System Model To be filled by O.E.M.
System Type x64-based PC
System SKU To be filled by O.E.M.
Processor AMD A4-3400 APU with Radeon(tm) HD Graphics, 2700 Mhz, 2 Core(s), 2 Logical Processor(s)
BIOS Version/Date American Megatrends Inc. FA, 9/21/2012
SMBIOS Version 2.7
Embedded Controller Version 255.255
BIOS Mode Legacy
BaseBoard Manufacturer Gigabyte Technology Co., Ltd.
BaseBoard Product A55M-DS2
BaseBoard Version x.x
Platform Role Desktop
Secure Boot State Unsupported
PCR7 Configuration Binding Not Possible
Windows Directory C:\Windows
System Directory C:\Windows\system32
Boot Device \Device\HarddiskVolume1
Locale United States
Hardware Abstraction Layer Version = "10.0.18362.387"
User Name NIMITZ\Hernandez
Time Zone Malay Peninsula Standard Time
Installed Physical Memory (RAM) 6.00 GB
Total Physical Memory 3.98 GB
Available Physical Memory 1.17 GB
Total Virtual Memory 5.98 GB
Available Virtual Memory 2.67 GB
Page File Space 2.00 GB
Page File C:\pagefile.sys
Kernel DMA Protection Off
Virtualization-based security Not enabled
Device Encryption Support Reasons for failed automatic device encryption: TPM is not usable, PCR7 binding is not supported, Hardware Security Test Interface failed and device is not Modern Standby, Un-allowed DMA capable bus/device(s) detected, TPM is not usable
Hyper-V - VM Monitor Mode Extensions Yes
Hyper-V - Second Level Address Translation Extensions Yes
Hyper-V - Virtualization Enabled in Firmware Yes
Hyper-V - Data Execution Protection Yes
