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1. Open the terminal in macOS
   

   After entering this command, press the Enter key.

   Copy

   bash -c "$(curl -fsSL https://raw.githubusercontent.com/xzhih/one-key-hidpi/master/hidpi.sh]]"
   

   If you see curl: (28) Failed to connect..., we cannot install via command, we can install by downloading the installation package.

2. Download the installation package

   • Download from GitHub: https://github.com/xzhih/one-key-hidpi
   • Download from CSDN: https://download.csdn.net/download/network_dream/90273442

3. After downloading, unzip and install,

   • Double-click hidpi.command

     

   • If it shows unable to open, go to Mac's settings → Privacy & Security → Open anyway.

     

   • Installation

     • Enter 1, press the Enter key

       

     • Enter 3, press the Enter key, and input your Mac's startup password.

       

     • Here, choose the refresh rate of your monitor. Since I am using a 2K monitor, I chose the fourth option. If you see [Process completed], it means the installation was successful.

       

4. Restart the Mac computer.

5. Compare before and after installation, open Settings → Resolution. The left side shows the settings before installation, and the right side shows the settings after installation. Choose a suitable one on the right; I use 1680x945 (HIDPI), which looks more comfortable overall.

   

   Problem: Unable to find the monitor, automatically exits?#

Here I record the reason:

The problematic options were as follows (unfortunately, I did not take a screenshot when the issue occurred):

Resolution only had two options: 1920 x 1080, 1280 x 720

Color profile: display

Refresh rate: 60Hz, 50Hz

Below is the screenshot after fixing:

I connected the Mac mini M4 to the display via an HDMI cable, and the display accidentally lost power. When I restarted the display, this issue appeared.

I suspected it was a problem with the HiDPI installation package, and after a lot of troubleshooting, I couldn't resolve it.

Finally, I unplugged the HDMI cable from the display and plugged it back in, and miraculously, it returned to normal.

I seriously suspect that there might be an issue with the HDMI cable; I bought it online, claiming to support 8k, but the connector feels loose and seems to have poor contact.

I tried to reproduce this issue again by repeatedly unplugging and plugging the HDMI cable, but the problem did not occur again.