Alcor Micro Unknown Fa00 F W 3613 Best Site
Having an "Unknown Device" with the ID ALCOR_MICRO_UNKNOWN_FA00_F_W_3613 is frustrating, but it is rarely a hardware failure. It is almost always a driver signature issue caused by Microsoft's security updates.
The best solution for most users is Method 2: downloading the legacy "Alcor Micro USB 2.0 Card Reader Driver" from your laptop OEM (Dell, Acer, Lenovo). For those who need a quick fix, simply disabling the device in Device Manager is a zero-risk way to stop the error pop-ups without affecting system stability.
Remember: This chip is old. If you fix it, great. If you don't, you aren't missing much. Don't let a $2 piece of silicon ruin your day.
Keywords used: Alcor Micro unknown FA00, Alcor Micro driver, FA00 F W 3613, best Alcor Micro fix, USB unknown device, VID_058F, Alcor Micro firmware 3613.
J. Laboratory¹, R. Analyst²
¹Department of Materials Characterization, University of Tech
²Failure Analysis Division, MicroFab Solutions
Based on the hardware identifiers you provided (Alcor Micro, Vendor ID FA00, and firmware version 3613), this text appears to refer to a specific USB Flash Drive controller commonly found in generic or mass-produced USB thumb drives (often utilized by brands like Kingston, SanDisk, or generic OEMs).
Here is a developed technical text regarding this topic, structured as a troubleshooting guide or technical overview.
I have an Alcor Micro USB device (card reader / fingerprint sensor) showing as “Unknown Device” in Device Manager.
Here’s what USBDeview / Device Manager details show:
What I’ve tried so far:
My system:
Windows 11 Pro (also tried on Win10)
Laptop model: [insert your laptop model, e.g., Dell XPS 15 / HP Pavilion]
Question:
What’s the best driver for PID_FA00 with FW 3613? Is this a fingerprint reader (e.g., on a Huawei laptop) or a SD card reader?
Has anyone successfully forced a driver, e.g. using: alcor micro unknown fa00 f w 3613 best
Any help appreciated. Thanks!
If you have a drive with the Alcor Micro FA00 FW 3613 inside, treat it as a utility player. It is excellent for moving documents, music, or small installers between computers. It is essentially the "Toyota Corolla" of flash controllers—not fast, not fancy, but it gets you from A to B reliably.
Best For: Bootable diagnostic tools (like BIOS updates), documents, and quick file transfers. Avoid For: Storing critical backups without duplication, or transferring files larger than 4GB regularly.
Here are a few post options tailored for different audiences: Option 1: The "Tech Support" Post (For Forums or Groups)
Headline: Stuck with Alcor Micro Unknown [FA00]? Here’s how to fix it! 🛠️
"If your USB drive is showing as 'Unknown [FA00]' with F/W 3613 in ChipGenius, your controller's firmware is likely corrupted. This doesn't always mean the drive is dead! How to revive it:
Identify the exact chip: Use tools like ChipGenius to confirm the VID/PID (usually 058F / 6387 or 1234).
Download the right MPTool: You’ll need the AlcorMP or ALCOR U2 MP utility. For [FA00] chips, versions like v20.09.16.00 are often recommended.
Flash the Firmware: Run the tool as an administrator, insert your drive, and hit 'Start'. Warning: This will perform a low-level format and erase all data.
Check out USBDev.ru or FlashBoot.ru for the specific firmware downloads." Option 2: The Short & Punchy (Social Media/Twitter style) "Is your USB drive ghosting you? 👻
Seeing 'Alcor Micro Unknown [FA00] F/W 3613' in your hardware report? This usually points to a corrupted AU6989SN controller. Keywords used: Alcor Micro unknown FA00, Alcor Micro
Don't toss it yet! You can often reflashthe firmware using AlcorMP tools to bring it back to life. Just remember: flashing = total data wipe. 🛑 #TechFix #USBRepair #AlcorMicro #DataRecovery" Key Repair Resources:
Alcor Recovery Tool: A specialized utility for updating firmware on AU698x series controllers.
AlcorMP Instruction Guide: A detailed step-by-step on how to use production tools without bricking the device.
FlashBoot Database: Useful for finding the exact MPTool version based on your Flash ID code. ALCOR U2 MP v20.09.16.00 (6989SN-GTC/GTD/GTE/TA)
The "Alcor Micro Unknown [FA00] - F/W 3613" error typically appears in diagnostic tools like ChipGenius when a USB flash drive's controller or firmware is corrupted
. This specific code indicates that the tool cannot identify the exact controller model or that the current firmware is malfunctioning. SanDisk Forums Understanding the Error Controller Vendor Alcor Micro is a common manufacturer of low-cost USB controllers Unknown [FA00] : This is a generic identifier that often points to the family of chips.
: This represents the currently flashed firmware version. If the drive is showing "No Media" or 0 bytes, this firmware is likely "crashed". SanDisk Forums How to Fix (USB Flash Drive Repair)
To fix this, you must use a specific flashing utility (MPTool) that matches your hardware's "Flash ID". Identify your Flash ID ChipGenius Flash Drive Information Extractor to find the 12-digit "Flash ID" (e.g., 453E98B3766B Download the MPTool : Visit sites like the Alcor MPTool Archive Alcor Infotech Downloads . Look for versions supporting the controllers. Configure the Tool Run the tool as an administrator.
If the tool detects your drive (often marked as "Cap: 0MB" initially), go to (password is often blank or
Select the correct Flash model based on the ID you found in step 1. Flash the Drive to begin low-level formatting and firmware re-installation. Warning: This will permanently erase all data on the drive. Success Rates & Risks
"I was browsing through my computer's device manager when I stumbled upon a mysterious entry labeled 'Alcor Micro Unknown FA00 F W 3613'. I had no idea what it was or what it did, but it looked important. After some research, I found out that Alcor Micro is a company that specializes in developing USB flash drive controllers. The 'FA00' likely refers to a specific type of controller, and 'FW 3613' probably indicates the firmware version. I'm still not entirely sure what it means or why it's on my system, but I'm determined to learn more about it. Has anyone else encountered this enigmatic device?" Procedure : Sample mounted on Alcor-specific puck; vacuum
The error "Alcor Micro Unknown FA00 F/W 3613" indicates that your USB flash drive has an Alcor Micro controller, but the flashing software cannot properly identify the specific firmware or memory chip. This is common with "fake" high-capacity drives or corrupted firmware.
To fix this, you generally need a Mass Production (MP) tool to reflash the controller. Recommended Recovery Steps
Identify Your Chipset: Use a tool like ChipGenius or Flash Drive Information Extractor to find the exact Controller Part-Number (e.g., AU6989SN, AU6998) and the Flash ID.
Download AlcorMP: Visit the Alcor Micro - USBDev.ru library to find a version compatible with your specific controller.
For firmware issues related to 2013-era chips (like those often labeled 3613), look for versions of AlcorMP or FCMPTool from around that timeframe. Run the Utility: Extract the downloaded zip file.
Launch the application (usually AlcorMP.exe) and then plug in your flash drive.
If the drive is shown as "Unknown" with the FA00 error, click Setup (S). You may need to manually select the correct Flash Type or change the ECC settings to improve stability.
Low-Level Format: Click Start to begin the "burning" or flashing process. Warning: This will permanently erase all data on the drive. Common Fixes for "Unknown" Status
Driver conflict: Ensure you are using a 32-bit version of Windows for better compatibility with older Alcor tools.
Wrong VID/PID: Some tools won't "see" the drive if the identification codes don't match. You can use the Alcor Change PID/VID Rework tool to reset these to the standard 058F / 6387 before reflashing.
Test Mode: If the software still doesn't recognize the drive, you may need to disassemble the casing and short the pins on the controller chip to force it into "Test Mode". Alcor Micro - USBDev.ru
Here’s a focused troubleshooting & repair guide for the Alcor Micro USB controller showing Unknown Device (FA00) with F/W 3613 (or similar).
This error usually means the controller is detected but can’t initialize properly — common on USB flash drives, card readers, or embedded storage.