The QTS1081B is a fossil of the USB 2.0 era—functional, cheap, and everywhere. Windows 11’s security-first driver model has finally pulled the rug from under it. With the right ASIX drivers, a signature enforcement bypass, and a bit of patience, you can coax it back to life. But for most users, the $15 cost of a modern USB 3.0 Ethernet adapter is a wiser investment than hours of driver debugging.
Still, for the tinkerer, the homelabber, or the IT veteran who refuses to let hardware die, bringing a QTS1081B back from the "Code 52" grave offers a small but satisfying victory against planned obsolescence.
Final command line for the brave:
pnputil /add-driver C:\Drivers\AX88772B.inf /install
If that fails? Let the dongle rest. It served its time.
Have you successfully installed a QTS1081B driver on Windows 11? Share your hardware ID and driver version in the comments (if you still have a forum to post on).
The QTS1081B is a compact USB 2.0 to Fast Ethernet adapter based on the Corechip SemiConductor RD9700 chipset. It is primarily used to provide a wired network connection for laptops, tablets, or gaming consoles that lack a built-in RJ45 port. Key Features
Network Speed: Supports 10/100 Mbps auto-sensing and auto-negotiation. i--- Driver Usb To Lan Qts1081b Windows 11
Duplex Modes: Operates in both Half and Full Duplex (10/100 Mbps).
Interface: USB 2.0 male to RJ-45 female, with backward compatibility for USB 1.1/1.0.
Energy Management: Includes suspend and resume detection logic for power saving.
Flow Control: Supports IEEE 802.3x full-duplex flow control.
Compact Design: Portable form factor for mobile use with laptops and tablets. Windows 11 Driver & Compatibility
While older packaging may only list support up to Windows 10, the QTS1081B is generally compatible with Windows 11. However, it often requires manual driver installation rather than being fully "plug-and-play" on newer systems. Installation Steps for Windows 11: The QTS1081B is a fossil of the USB 2
Device Manager: Locate the adapter under "Other devices" (it may appear with a yellow caution mark).
Update Driver: Right-click the device and select "Update driver".
Manual Search: Select "Browse my computer for drivers" and point it to the unzipped driver folder containing the .sys file.
Alternative Source: If you lack the original driver disk, generic "Corechip RD9700" drivers from the Microsoft Update Catalog are often effective for this hardware. If you'd like, I can: Help you find a direct download link for the driver Troubleshoot why the adapter is not being recognized
Recommend a faster USB 3.0 Gigabit adapter if you need speeds over 100 Mbps Let me know how you'd like to proceed. QTS1081B adapter driver - Microsoft Q&A
Struggling with an "i---" brand USB to Ethernet adapter on Windows 11? You are not alone. If that fails
Many users purchase budget-friendly USB to LAN adapters labeled with brands like i-tek, i-technology, or generic "i---" models. These often feature the QTS1081B chipset. While Windows 11 usually handles drivers automatically, this specific chip sometimes requires a manual fix to avoid limited connectivity, blue screens, or the dreaded "Code 31" error.
This article provides the complete, step-by-step solution.
If you cannot get the QTS1081B working after two hours, consider these alternatives.
Sometimes the Windows 10 driver works perfectly.
The QTS1081B is an ultra-compact USB 2.0 to RJ45 Ethernet adapter. It is widely sold on Amazon, eBay, and AliExpress under generic brand names. Key specs include:
Because the i--- driver is likely unsigned, you must boot into a special mode.
The manufacturer does not maintain a pretty website. Here are the three reliable sources for the driver.
Plug the QTS1081B into a Linux live environment (Ubuntu on a USB stick). Linux usually recognizes the Realtek/Corechip chipsets natively. If it works there, your Windows 11 driver is definitely the problem.
The CENTRAL COUNCIL OF ALTERNATIVE MEDICINES (CCAMR grants registration in Alternative Medicines under Rule 7A on the basis of qualification and experience.
| CATEGORIES OF PRACTITIONER REGISTRATION | Qualified and experienced practitioners above the age of 30 can enroll as Senior Practitioner under Class I Registered Practitioner. (The students who have already successfully completed the Bachelor Certification Course from The CENTRAL COUNCIL OF ALTERNATIVE MEDICINES (CCAMR) are eligible to apply for Class I Registration) |
| ELIGIBILITY | A practitioner having at least 3 years experience in any branch of alternative medicines. Or Diploma / Bachelor / Postgraduate Certificate holders of the The CENTRAL COUNCIL OF ALTERNATIVE MEDICINES (CCAMR). Or Diploma / degree holders of any authentic institution. |
| BENEFITS | The Registered Practitioner would be declared a person qualified to practice and shall not be convicted or punished by any Government in India. He/she will also be eligible to issue Medical Certificates. These rights are mentioned on the Registration Certificate also. |
| MINIMUM AGE | Applicants for registration who are not Certificate holders of The CENTRAL COUNCIL OF ALTERNATIVE MEDICINES (CCAMR) should be a minimum of 21 years . |
| REQUIREMENTS | Three passport size photographs. One Experience Certificate of a minimum of 3 years from a Registered Doctor/MLA/ MP/Sarpanch/Gazetted Officer or a Xerox copy of the Diploma / Bachelor / Postgraduate Certificate awarded by the The CENTRAL COUNCIL OF ALTERNATIVE MEDICINES (CCAMR) or any authentic institution. One Character Certificate from a respectable person |
| Ordinary Registered Practitioners Fees | Class I Registered Practitioners Rs. 26,900 Ordinary Registered Practitioners Rs. 18,900 Fees are non-refundable |
You will get the following documents within 30 days from the date of receipt of the form and fees:
The registration certificate duly affixed with the Special Adhesive Stamp as per the order of the concerned authority of the Government.
Identity Card
Copy of the Rules of the The CENTRAL COUNCIL OF ALTERNATIVE MEDICINES (CCAMR) under which Registration is issued.
Copy of the Code of Conduct.
General Information: The total Fees should be sent along with photocopies of your qualification certificates (academic qualifications), two passport size photographs and the filled in form.
Fee is non-refundable.
All remittances (fees, etc.) should be sent by Cash / M.O. / Draft payable to CENTRAL COUNCIL OF ALTERNATIVE MEDICINES & RESEARCH / CCAMR Academy OR HOLY ANGELS COLLEGE OF ALTERNATIVE MEDICINES
Procedure for Admission: The total Fees should be sent along with photocopies of your qualification certificates, two passport size photographs and the filled in form. Fee is non-refundable. Fees should be sent by Cash / M.O. / Draft payable to CENTRAL COUNCIL OF ALTERNATIVE MEDICINES & RESEARCH.(CCAMR) CENTRAL COUNCIL OF ALTERNATIVE MEDICINES & RESEARCH.MUMBAI –BORIVALI.