Ubuntu等Linux系统下RTL8188EE无线网卡WiFi连接不稳定问题求助

设备信息：

• 笔记本：HP Pavilion 15 Notebook PC
• 系统：双系统 Ubuntu 23.04 64位 + Windows 10 64位（Debian 12、Linux Mint 21也存在相同问题）
• 内核版本：Linux 6.2.0-31-generic
• WiFi适配器：Realtek Semiconductor Co., Ltd. RTL8188EE Wireless Network Adapter

问题描述：在Ubuntu等Linux系统下连接WiFi路由器时，网络不稳定、速度慢且频繁断开；但通过手机USB tethering联网正常，Windows 10下连接同一WiFi路由器也无问题。

Hey there, sorry to hear you're stuck with this annoying WiFi glitch—totally understand how frustrating it is when your internet drops randomly, especially since it works fine on Windows and tethering. Let's go through some proven fixes for the RTL8188EE adapter on Linux:

1. 先确认当前驱动状态 #

First up, let's verify which driver your system is using for the adapter. Run this command in the terminal:

lspci -k | grep -A 3 Network

Look for the line Kernel driver in use: rtl8188ee—that confirms you're on the default kernel driver, which is often the culprit behind stability issues for this adapter.

2. 安装优化的第三方驱动 #

The default RTL8188EE driver in the Linux kernel is a bit outdated. A lot of users have had luck with a maintained third-party driver. Here's how to set it up:

• First, install the tools needed to compile the driver:

  sudo apt update && sudo apt install git build-essential linux-headers-generic
  

• Next, grab the optimized driver source code from a trusted open-source repository focused on Realtek WiFi adapters (you can find these on popular code hosting platforms by searching for "rtl8188ee improved driver"):

  git clone [repository-path]
  

• Navigate into the cloned folder, compile, and install the driver:

  cd rtlwifi_new
  make
  sudo make install
  

• Finally, reload the driver to apply the changes:

  sudo modprobe -r rtl8188ee
  sudo modprobe rtl8188ee
  

Give your WiFi a test after this—many folks see immediate improvements in stability.

3. 禁用网卡节能功能 #

Power management settings often cause random disconnects for Realtek adapters. Let's turn those off permanently:

echo "options rtl8188ee ips=0 fwlps=0" | sudo tee /etc/modprobe.d/rtl8188ee.conf

Reboot your laptop to make sure this setting takes effect.

4. 调整路由器的WiFi设置 #

Since your WiFi works perfectly on Windows, the router might be using settings that don't play nice with Linux's RTL8188EE driver. Try these tweaks on your router:

• Switch to the 2.4GHz band only (the RTL8188EE has poor 5GHz support)
• Set a fixed channel (channels 1, 6, or 11 are the least crowded and most stable)
• Force the bandwidth to 20MHz instead of 40MHz—this reduces interference in busy areas

5. 禁用PCIe高级电源管理 #

Sometimes PCIe power management can interfere with wireless adapters. To disable it:

• Open the GRUB configuration file with a text editor:

  sudo nano /etc/default/grub
  

• Find the line starting with GRUB_CMDLINE_LINUX_DEFAULT and add pcie_aspm=off inside the quotes. It should look like this:

  GRUB_CMDLINE_LINUX_DEFAULT="quiet splash pcie_aspm=off"
  

• Save the file (press Ctrl+O, then Enter) and exit nano (Ctrl+X)
• Update GRUB and reboot your laptop:

  sudo update-grub
  sudo reboot
  

These steps should cover most common fixes for RTL8188EE instability on Linux. Since your hardware works fine on Windows and tethering, it's definitely a driver or configuration issue rather than a hardware problem. Let me know if any of these steps get your WiFi working smoothly again!

备注：内容来源于stack exchange，提问作者Momn Ahmed