No. The genuine SC GKDL USB2.0 driver is not malicious. However, because the name is obscure, some malware variants use generic "Unknown USB Device" labels to hide. Always verify the driver's digital signature before installation. A legitimate driver will usually be signed by "Microsoft Windows Hardware Compatibility Publisher" or a known OEM like "Feitian," "Advanced Card Systems," or "Gemalto."
The code "sc gkdl" is most commonly associated with USB Game Controllers (specifically dual-shock style controllers or adapters) or sometimes generic USB-to-Serial adapters.
Before downloading anything, check the device physically:
Warning: Avoid "driver updater" websites that ask you to download an .exe file from pop-up ads. Stick to official sources.
If you’ve landed on this page, chances are you’ve just plugged in a new piece of hardware—likely a barcode scanner, a receipt printer, a USB hub, or an embedded device—and saw “SC GKDL USB2.0” pop up in your Device Manager with a dreaded yellow exclamation mark.
You’re not alone. The “SC GKDL USB2.0” driver is one of those generic-sounding yet frustratingly specific drivers that Windows often fails to auto-install.
In this post, we’ll break down what this driver is, why you need it, and—most importantly—exactly how to install it.
If you know how to use Device Manager:
The SC GKDL USB2.0 driver is not malware, not a Windows bug—it’s just a generic label for an unidentified serial device. In 9 out of 10 cases, installing the CH340 driver or Prolific PL2303 driver will solve the problem instantly.
Warning: Avoid “driver updater” software that claims to fix this for $29.99. The real driver is free and available from the chip manufacturer’s website.
Have a different VID/PID pair or still seeing issues? Drop the details in the comments, and we’ll help identify your exact chipset.
adapters, which are frequently used to connect older hardware or industrial equipment to modern computers. sc gkdl usb2.0 driver
Here are the most common ways to find and install this "piece" of software: 1. Identify the Chipset
Most of these adapters use one of two main chipsets. Identifying yours is the fastest way to the right driver: CH340 / CH341
: Very common in budget adapters and Arduino clones. You can find these drivers on the WCH official site Prolific PL2303
: Another industry standard. Official drivers are typically available through Prolific's support or manufacturer sites like 2. Manual Driver Selection (Windows 10/11)
If your device shows up as "USB2.0-Serial" with a yellow warning icon in Device Manager , you can often fix it without a new download: Right-click the device and select Update driver Browse my computer for drivers Let me pick from a list of available drivers on my computer Ports (COM & LPT) Universal Serial Bus devices as the manufacturer and pick USB Serial Device . This generic driver works for many "GKDL" style adapters. 3. Check Hardware IDs
If the above steps don't work, you can find the exact "piece" you need by: Right-clicking the device in Device Manager Properties Hardware Ids from the dropdown. Look for a code like VID_1A86&PID_7523 (which indicates a CH340 chip).
While "SC GKDL USB 2.0" may appear to be a specific driver name, search results suggest it is primarily associated with industrial adapter cables, specifically those used for Allen Bradley MicroLogix programmable logic controllers (PLCs). Context and Identification
The term "SC GKDL" frequently appears in listings for USB-to-Serial industrial interface links. These cables allow a modern computer with USB ports to communicate with older industrial hardware that uses RS-232 serial protocols.
In many cases, "SC GKDL" is not a unique brand but a part of a product description for third-party or unbranded cables designed for the Allen Bradley MicroLogix series. Driver Requirements
Because these cables function as USB-to-Serial converters, they typically do not use a proprietary "SC GKDL" driver. Instead, they rely on common serial-to-USB chipsets. To get the device working, you likely need one of the following:
FTDI Drivers: Many high-quality industrial adapters use FTDI chips. You can find the latest VCP (Virtual COM Port) drivers on the official FTDI website. The code "sc gkdl" is most commonly associated
Prolific (PL2303) Drivers: Budget or unbranded versions often use the Prolific PL2303 chipset.
CH340/CH341 Drivers: Another common chipset for low-cost serial converters. Troubleshooting Steps
Check Device Manager: Plug the cable in and open Device Manager on Windows. Look for "Other Devices" or "Ports (COM & LPT)" with a yellow warning icon.
Identify Hardware ID: Right-click the device > Properties > Details > Select Hardware Ids. The "VID" (Vendor ID) and "PID" (Product ID) will tell you exactly which driver you need (e.g., VID 0403 is FTDI).
Manual Installation: If you have downloaded a driver, right-click the device in Device Manager and select "Update driver" to point it to your local file. USB to Serial Cable Driver Installation
Here’s a sample post you could use for a forum, blog, or social media regarding the SC GKDL USB 2.0 driver:
Title: Need Help with SC GKDL USB 2.0 Driver – Where to Find It?
Post:
I’m trying to locate the correct driver for a device listed in Device Manager as SC GKDL USB 2.0. It appears to be related to a USB 2.0 controller or peripheral, but I haven’t had much luck finding official drivers.
A few things I’ve noticed:
What I’ve tried so far:
Questions:
Any advice would be appreciated. Thanks!
Note: "SC GKDL" appears to be a specific module identifier (likely a variant of a Silicon Motion, Synopsys, or generic mass storage controller). If this refers to a proprietary or less common device (e.g., from a specific embedded system or legacy hardware), the following is a general driver analysis based on standard USB 2.0 mass storage principles and naming conventions.
Q1: Can I use the SC GKDL USB2.0 driver on Linux or macOS?
Q2: My device is a fingerprint reader, not a smart card reader. Will this driver work?
Q3: Why does this driver keep reinstalling itself after I delete it?
Q4: Is there a 64-bit version of the SC GKDL USB2.0 driver?
Since "sc gkdl" doesn't bring up a specific manufacturer website, follow these steps:
Method A: Automatic Windows Search (Best for Win 10/11)
Method B: Hardware ID (The most reliable method) If Windows cannot find the driver, you need the Hardware ID: