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The Gzcyc No 9700 (often labeled as the KY-RD9700 or Corechip RD9700) is a common, inexpensive USB 2.0 to Fast Ethernet adapter. Finding official drivers for Windows 11 can be difficult because the hardware often uses legacy chips like the RD9700 or QF9700. Method 1: Use Windows Update (Recommended)
Windows 11 frequently carries "in-box" drivers for these adapters or lists them as optional updates. Plug the adapter into a USB port. Go to Settings > Windows Update > Advanced options. Select Optional updates.
Look for "Driver updates" and see if a "Corechip" or "RD9700" driver is listed. If so, select and install it. Method 2: Manual Driver Download
If Windows Update fails, you must download the driver manually from a third-party repository, as there is no official Gzcyc website.
DriverScape: Offers drivers for the RD9700 chipset compatible with Windows 10/11 (64-bit) at DriverScape.
Internet Archive: A community-uploaded driver package for the RD9700 is available at Internet Archive.
GitHub: A specialized repository for these unbranded adapters can be found at bzapal's GitHub. Method 3: Manual Installation via Device Manager
If you have downloaded a driver but it lacks an installer (.exe), follow these steps: Right-click the Start button and select Device Manager.
Find the device under Network adapters or Other devices (it may appear as "USB 2.0 10/100M Ethernet Adapter"). Right-click it and choose Update driver.
Select Browse my computer for drivers and point to the folder where you unzipped the downloaded files. Troubleshooting & Performance Tips RD9700 USB2.0 To Fast Ethernet Adapter Drivers Download Gzcyc No 9700 Driver Download Windows 11
The Gzcyc No 9700 (often recognized by the system as the RD9700 or KY-RD9700) is a budget-friendly USB-to-Ethernet adapter designed to provide a hardwired internet connection to devices without a built-in LAN port.
For users on Windows 11, finding a specific "Gzcyc" branded driver can be difficult because the hardware uses the generic Corechip RD9700 chipset. How to Install on Windows 11
Since many modern systems do not include these legacy drivers, you can try the following methods to get the device working:
Windows Update: Plug the device into a USB port. Windows 11 may automatically find and install a compatible "RD9700 USB2.0 To Fast Ethernet Adapter" driver through its built-in update service. Manual Update via Device Manager: Right-click the Start button and select Device Manager.
Look for an "Unknown Device" or an entry with a yellow exclamation mark under Network adapters. Right-click it and select Update driver. Choose Search automatically for drivers.
Third-Party Repositories: If Windows cannot find the driver, you may need to download the legacy RD9700 driver package from reliable driver archives like DriversCloud or the Internet Archive. Technical Performance Note
While often marketed as a "USB 2.0" device, technical tests show that the RD9700 chipset typically operates at USB 1.1 speeds, capping your actual internet speed at approximately 5 Mbps to 10 Mbps, regardless of your service plan. KY-RD9700 fake "USB 2.0" network adapter. USB1.1 only!
The Gzcyc No 9700 (often referred to as the ) is a generic "white-label" USB to Ethernet adapter. Getting it to work on Windows 11 can be tricky because it often relies on older drivers from the Corechip Semiconductor or Davicom chipsets. 🛠️ Installation Steps for Windows 11
Windows 11 may not automatically recognize this device. Follow these steps to manually install the driver: The Gzcyc No 9700 (often labeled as the
Check for Automatic Updates: Plug the device in and check Windows Update > Advanced options > Optional updates.
Download the Driver: If the update doesn't appear, you can find the legacy driver files on community-archived sites like the Internet Archive or specialized repositories like Driver Scape. Manual Install via Device Manager: Right-click the Start button and select Device Manager. Find the "Unknown Device" or " " under Network adapters. Right-click it and select Update driver.
Choose Browse my computer for drivers, then Let me pick from a list of available drivers on my computer.
Click Have Disk and point to the folder where you extracted the downloaded driver files. ⚠️ Known Performance Issues Gzcyc No 9700
is marketed as a "USB 2.0 10/100M" adapter, it has significant limitations: RD9700 USB2.0 To Fast Ethernet Adapter Drivers Download
To find the correct driver for GZCY5 No. 9700 (note: likely a typo for "GZCY5" rather than "Gzcyc") on Windows 11, follow these steps:
"GZCY5 No. 9700" typically refers to a USB to Serial adapter (often using a CH340 or PL2303 chip).
Common uses: programming cables, CNC controllers, Arduino, 3D printers, or serial communication devices.
The first hurdle in solving this problem is the name. "Gzcyc" is not a major, household brand like Logitech, Intel, or Realtek.
In the world of electronics manufacturing, particularly for USB network adapters (Wi-Fi dongles, Bluetooth receivers, or Ethernet hubs), this string usually corresponds to a manufacturing batch code or a specific OEM (Original Equipment Manufacturer) identifier from factories in Guangzhou, China. What is the "Gzcyc No 9700"
Most commonly, hardware labeled with "Gzcyc" or similar codes (like "Gzcyc No 9700") turns out to be:
Because these devices are often "white-labeled" (produced by one factory and sold by hundreds of different sellers on Amazon, eBay, or AliExpress under generic names), the manufacturer rarely hosts a dedicated website for driver downloads.
Windows 11 has enhanced security, especially for unsigned drivers. Follow these steps:
F8 or Shift + Restart > Troubleshoot > Advanced Options > Startup Settings > Restart > Press 7 (Disable driver signature enforcement)..inf files):
The identifier "Gzcyc No 9700" most commonly refers to a USB Wi-Fi adapter or a Bluetooth dongle manufactured by a smaller Chinese OEM (Original Equipment Manufacturer). Gzcyc is not a mainstream brand like TP-Link or Asus, but rather a reseller or generic chipset manufacturer.
These devices typically utilize chipsets from major manufacturers such as:
Because Windows 11 has strict driver signature requirements, the generic driver that came on a mini-CD with the device may be outdated or incompatible.
support[.]gzcyc[.]com (check your device packaging for the exact URL).Gzcyc_9700_Win11_v3.8.5.zip.Sometimes the automatic installer fails. Here is the manual INF method:
.inf (e.g., gzcyc9700.inf)..inf file and select Install.If the INF installation fails, the file may be corrupted or incompatible with Windows 11’s architecture (x64 vs x86). You must find a native 64-bit INF.
