Akk's questions

Ubuntu 18.04在我的华硕 r558ur上太慢了，8GB RAM，8GB 交换区，2GB Nvidia GeForce 930mx。所有图形元素似乎都以滑动的方式出现，有一些滞后，甚至拖动窗口似乎也缓慢闪烁。从 Live USB 启动时，一切正常。安装在Legacy BIOS中完成。

命令的输出lspci -k | grep -EA3 'VGA|3D|DISPLAY'：

00:02.0 VGA compatible controller: Intel Corporation Skylake GT2 [HD Graphics 520] (rev 07)
    Subsystem: ASUSTeK Computer Inc. Skylake GT2 [HD Graphics 520]
    Kernel modules: i915
00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 08)
--
01:00.0 3D controller: NVIDIA Corporation GM108M [GeForce 930MX] (rev a2)
    Subsystem: ASUSTeK Computer Inc. GM108M [GeForce 930MX]
    Kernel modules: nvidiafb, nouveau
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 10)

内容/etc/default/grub：

GRUB_DEFAULT=0
GRUB_TIMEOUT_STYLE=hidden
GRUB_TIMEOUT=10
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX="nomodeset"