If you have plugged in a device labeled "Com-1pd-usb-h" and found that your computer isn't recognizing it, or you are seeing the dreaded "Device Cannot Start" error in Windows Device Manager, you are not alone. You need the —and you need the version that actually works.
A: For macOS, do not use the Prolific driver. Use the open-source macOS-usb-serial driver or SiLabs CP210x . However, for Com-1pd-usb-h specifically, the CH340 driver for Mac from GitHub works best.
| Source | Trust Score | Best For | | :--- | :--- | :--- | | | 10/10 | Genuine chips | | WCH.cn | 9/10 | CH340 chips | | Microsoft Update Catalog | 10/10 | Signed generic drivers | | GitHub (ch34x-ser) | 8/10 | Linux/Mac & advanced users | | DriverPack Solution (Offline) | 7/10 | No-internet installs |
If you have plugged in a device labeled "Com-1pd-usb-h" and found that your computer isn't recognizing it, or you are seeing the dreaded "Device Cannot Start" error in Windows Device Manager, you are not alone. You need the —and you need the version that actually works.
A: For macOS, do not use the Prolific driver. Use the open-source macOS-usb-serial driver or SiLabs CP210x . However, for Com-1pd-usb-h specifically, the CH340 driver for Mac from GitHub works best.
| Source | Trust Score | Best For | | :--- | :--- | :--- | | | 10/10 | Genuine chips | | WCH.cn | 9/10 | CH340 chips | | Microsoft Update Catalog | 10/10 | Signed generic drivers | | GitHub (ch34x-ser) | 8/10 | Linux/Mac & advanced users | | DriverPack Solution (Offline) | 7/10 | No-internet installs |
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