6/22/2018 +818 new drivers.
A4tech Rfkb-21 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for A4tech Rfkb-21
Certifications for A4tech Rfkb-21
5 stars for A4tech Rfkb-21 "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2016
Our main support OS are: Windows 7, Windows 7 64 bit, Windows 7 32 bit, Windows 10, Windows 10 64 bit, Windows 10 32 bit, and Windows 8.

A4tech Rfkb-21 Driver Download

Windows Compatibility for A4tech Rfkb-21 driver

A4tech Rfkb-21 Driver Details:

A4tech Rfkb-21 File Name:

A4tech Rfkb-21 Driver Version: 931kgDS0

A4tech Rfkb-21 ZIP Size: 121.kb

Manufacturer: A4tech

A4tech Rfkb-21 was fully scanned at: 6/18/2018
Scan Status: driver download scanOK

A4tech Rfkb-21 now has a special edition for these Windows versions: Windows 7, Windows 7 64 bit, Windows 7 32 bit, Windows 10, Windows 10 64 bit,, Windows 10 32 bit, Windows 8, Windows 10 Education 64bit, Windows 10 IoT 32bit, Windows 8 Enterprise 64bit, Windows 10 32bit, Windows Vista Home Basic 32bit, Windows 10 Team 64bit, Windows 10 S 64bit,

A4tech Rfkb-21 Download Stats:

Driver Uploaded: 3/17/2018

Direct Downloads: 346
Most Recent Download: 4/25/2018
Managed Downloads: 3082
Most Recent Download: 4/25/2018
Download Mirrors: 5
Current Delay: 29 Seconds
Driver License: Free

Direct Download Success Stats:

Reports Issued By 260/346 Users

Success Reported By 39/260 Users

Driver Download Score67/100

Driver Installation Score70/100

Overall preformance Score60/100

A4tech Rfkb-21 8 Thumbs Up8Thumbs
A4tech Rfkb-21 1 Thumbs Down1Thumbs
A4tech Rfkb-21 driver direct download was reported as adequate by a large percentage of our reporters, so it should be good to download and install.

Installation Manager Success Stats:

Reports Issued By 3000/3082 Users

Success Reported By 2789/3000 Users

Driver Download Score86/100

Driver Installation Score88/100

Overall preformance Score89/100

A4tech Rfkb-21 2643 Thumbs Up2643Thumbs
A4tech Rfkb-21 55 Thumbs Down55Thumbs
A4tech Rfkb-21 driver installation manager was reported as very satisfying by a large percentage of our reporters, so it is recommended to download and install.


1. Direct Download

Select your OS and press "Download".

This option requires basic OS understanding.
Select Your Operating System, download zipped files, and then proceed to
manually install them.
Recommended if A4tech Rfkb-21 is the only driver on your PC you wish to update.


2. Driver Installation Manager

This option requires no OS understanding.
Automatically scans your PC for the specific required version of A4tech Rfkb-21 + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing A4tech Rfkb-21, or the driver installation manager, take a few minutes to send us a report:
* Only registered users can upload a report.

Don’t have a password?
Please register, and get one.

Other drivers most commonly associated with A4tech Rfkb-21 problems:

A4tech Rfkb-21 may sometimes be at fault for other drivers ceasing to function

These are the driver scans of 2 of our recent wiki members*

*Scans were performed on computers suffering from A4tech Rfkb-21 disfunctions.

Scan performed on 4/24/2017, Computer: HP AW012AAR-ABA p6280t - Windows 7 64 bit

Outdated or Corrupted drivers:11/18

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel Controladora de host universal USB Intel (R) 82801 FB/FBM - 265BUp To Date and Functioning
Mice And Touchpads
Synaptics Synaptics Composite USB HID DeviceUp To Date and Functioning
Usb Devices
Google ADBCorrupted By A4tech Rfkb-21
Sound Cards And Media Devices
Buffalo BUFFALO TV Tuner DT-T90/PCIEMW-TSCorrupted By A4tech Rfkb-21
NVIDIA NVIDIA GeForce GTX 550 TiUp To Date and Functioning
Network Cards
IC Plus Controller EthernetUp To Date and Functioning
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
Intel(R) Desktop/Workstation/Server Express Chipset SATA AHCI ControllerCorrupted By A4tech Rfkb-21
Intel HID Sensor CollectionCorrupted By A4tech Rfkb-21
Texas Instruments Texas Instruments PCI-4510 CardBus ControllerUp To Date and Functioning
Intel Intel(r) AIM External Flat Panel Driver 5Corrupted By A4tech Rfkb-21
ACEECA Palm HandheldCorrupted By A4tech Rfkb-21
Cameras, Webcams And Scanners
Canon Canon MP560 serOutdated
Video Cards
NVIDIA NVIDIA GeForce GT 640MCorrupted By A4tech Rfkb-21
Input Devices
Logitech HID-compliant consumer control deviceUp To Date and Functioning
Port Devices
D-Link USB Single PortOutdated
Sony Digital Flat Panel (1024x768)Outdated
Mobile Phones And Portable Devices
Acer NOKIAOutdated

Scan performed on 4/25/2018, Computer: Gateway FX6840-03E - Windows 7 32 bit

Outdated or Corrupted drivers:6/19

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) 82801FB/FBM USB Universal Host Controller - 265BUp To Date and Functioning
Mice And Touchpads
HP HID-compliant muisCorrupted By A4tech Rfkb-21
Usb Devices
NEC USB Mass Storage DeviceUp To Date and Functioning
Microsoft FujiFilm FinePix Digital CameraCorrupted By A4tech Rfkb-21
Intel(R) 82801FB/FBM USB Universal Host Controller -265BUp To Date and Functioning
Sound Cards And Media Devices
Buffalo BUFFALO TV Tuner DT-T90/PCIEMW-TSCorrupted By A4tech Rfkb-21
ESS ESS Maestro2E PCI AudioDrive (WDM)Up To Date and Functioning
Network Cards
Ikanos USB ADSL2 WAN AdapterUp To Date and Functioning
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
NVIDIA Standard Dual Channel PCI IDE ControllerUp To Date and Functioning
Nokia Nokia 5230 USB LCIFCorrupted By A4tech Rfkb-21
AuthenTec TouchChip Fingerprint Coprocessor (WBF advanced mode)Up To Date and Functioning
Intel(R) Sensor SolutionCorrupted By A4tech Rfkb-21
Cameras, Webcams And Scanners
Canon Canon MG5300 seriesCorrupted By A4tech Rfkb-21
Video Cards
NVIDIA NVIDIA GeForce4 MX 440Up To Date and Functioning
Input Devices
GENERIC USB Human Interface DeviceUp To Date and Functioning
Port Devices
Huawei HUAWEI Mobile Connect - USB Device (COM8)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning
Driver ModelOSOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
A4tech Rfkb-21 2.12904For Windows 7 32 bit12/7/201412/30/2016all_drivers-2.12904.exe92kbDell Inspiron N5040, Compaq KJ172AA-AB4 SR5272CF, HP Compaq nx9040, Sony VPCM126AA, Gigabyte H61M-USB3-B3, Panasonic CF-R8EWBAAP, ECS 332, LG A510-U.AESGE2, Gateway M-7332H, IBM IBM eServer 206m -[848510U, and more.
A4tech Rfkb-21 2.1082.14For Windows 7 64 bit9/25/201412/30/2016all_drivers-2.1082.14.exe116kbT-Systems T-Systems PC P4PE, Fujitsu PRIMERGY RX200 S8, Sony VGN-FS755FP, Lenovo 6075Y74, NEC PC-LL550KG1J, HP HP Compaq nc4010, HP GU631AA-UUW, and more.
A4tech Rfkb-21 31.1772For Windows 79/26/201412/29/2016all_drivers-31.1772.exe47kbToshiba SATELLITE C850-A819, HASEE U147, Toshiba Dynabook T553/37JWB, Dell Latitude 131L, Packard Bell EasyNote TM01, Gateway FX4710-UB802A, and more.
A4tech Rfkb-21 L32232.1For Windows 102/17/201512/30/2016all_drivers-l32232.1.exe108kbFujitsu FMVXD4VR2Z, CDM K9A2VM-FD R01, Lenovo ThinkPad X220 Tablet, LG R590-PR70K, ARLT Computer Produkte Mr. Gamer 7-11 R2, and more.
A4tech Rfkb-21 G63680For Windows 10 64 bit2/13/201512/28/2016all_drivers-g63680.exe102kbZoostorm 7010-0246A, Lenovo 1S16800336100W2, LG R580-UP87K, Buympc TRANSPORT T2500 154 E, Compaq DT260A-ABU S5210UK GB340, Fujitsu FMVL18B, HP Presario C500, and more.
A4tech Rfkb-21 20023For Windows 7 32 bit12/18/201412/27/2016all_drivers-20023.exe103kbHP D5468AT-ABA GX768AA, Extracomputer D2312-C2, HP HP Compaq dc5100 SFF, Compaq DB266A-AB1 6215KR KO910, Packard Bell ISTART 9112, IBM 1871Y16, Itautec Infoway w7730, Fujitsu FMV8NU1LC5, ICP / IEi KINO-945GSE, HP VN465AA-UUW HPE-010sc, Sony VGN-TZ17TN_N, Clevo W240BL_W250BZ_W270BZQ, WIPRO WSG48355W7-0023, and more.
A4tech Rfkb-21 22273For Windows 7 64 bit10/5/201412/29/2016pibdzj-22273.exe36kbHP 600-1390, Extracomputer D3230-B1, HP HP Compaq nc4200, Packard Bell IXtreme J8038, IBM ThinkCentre A51, IBM ThinkPad T40, ASUS BA5190, Compaq GU587AA-ABH SR5235NL, and more.
A4tech Rfkb-21 V41.1082For Windows 710/10/201412/27/2016all_drivers-v41.1082.exe126kbSony VPCF13S8R, VIA VT8367-8233/5, IBM ThinkPad R52, Compaq GN732AA-ABH SR5135NL, Toshiba Dynabook Qosmio F30/770LS, LG LW70-JJKG, HP PC106A-ABA a610, HP Compaq nx5000, and more.
A4tech Rfkb-21 2.13933For Windows 1010/17/201412/29/2016rxmepcw-2.13933.exe144kbLenovo ThinkStation S20, HP 500-018es, NEC PC-MJ29MLZ2JCSG, M&A E10IS, NEC PC-MY24RAZ75, HP GP G62-A20SY NB, Fujitsu LIFEBOOK NH532, Buympc DES0024C USCG ClientPro 375 G, and more.
A4tech Rfkb-21 994For Windows 10 64 bit10/23/201412/29/2016all_drivers-994.exe90kbSony VGN-NR270N, Gigabyte EP41-US3L, VIA VT8653-8233, Toshiba Dynabook T552/36HRJ, Fujitsu CELSIUS H265, HP NC684AAR-ABA a6750y, and more.
A4tech Rfkb-21 61.1067For Windows 89/14/201412/27/2016all_drivers-61.1067.exe72kbSAMSUN R509, Acer Aspire 5710Z, HP Rfrb h8-1100z, Sony VGNZ890G, Sony VPCCW21FD, and more.
A4tech Rfkb-21 D7071.12For Windows 7 32 bit12/8/201412/29/2016all_drivers-d7071.12.exe186kbHP NY584AA-AC4 600-1010b, Toshiba SATELLITE C850-A791, HP PX568AA-ABY, Fujitsu FMVXN2G52, Acer MX4SG-4DL, NEC PC-GV286VZAU, DataLogic MS-N011, and more.
A4tech Rfkb-21 30021.1For Windows 7 64 bit10/25/201412/30/2016all_drivers-30021.1.exe99kbIBM 8213WCM, NEC PC-VL500ED, Compaq RF785AA-ABU SR2029 NA100, LG R580-UAAD6BT, Lenovo 2756AF8, RM Plc RM DESKTOP 201, Panasonic CF-W7DWM07JM, Panasonic CF-N9LWRJDS, Toshiba Dynabook SS LX/190DK, Sony VGN-NS160D, NEC PC-VW970BS, Toshiba SATELLITE C850-A798, Panasonic CF-53AACZYFT, and more.

Please Note: There are particular operating systems known to have problems with A4tech Rfkb-21:
  • Windows 10 Home
  • Windows Vista Enterprise (Microsoft Windows NT 6.0.6000.0)
  • Windows 10 Enterprise
  • Windows 10 Pro Education
  • Windows 7 Home Basic
  • Windows 8 Pro
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific A4tech Rfkb-21 model.
Laptop A4tech Rfkb-21Tablet A4tech Rfkb-21Download A4tech Rfkb-21Upgrade A4tech Rfkb-21Update A4tech Rfkb-212018 A4tech Rfkb-21Free A4tech Rfkb-21Data A4tech Rfkb-21Info A4tech Rfkb-21Help A4tech Rfkb-21Guide A4tech Rfkb-21Comments A4tech Rfkb-21Windows 10 A4tech Rfkb-21Vista A4tech Rfkb-21Windows 7 A4tech Rfkb-21Install A4tech Rfkb-21