6/24/2018 +940 new drivers.
A4tech Rfkbs-21 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for A4tech Rfkbs-21
Certifications for A4tech Rfkbs-21
5 stars for A4tech Rfkbs-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 Rfkbs-21 Driver Download

Windows Compatibility for A4tech Rfkbs-21 driver

A4tech Rfkbs-21 Driver Details:

A4tech Rfkbs-21 File Name:

A4tech Rfkbs-21 Driver Version: 637C4

A4tech Rfkbs-21 ZIP Size: 118.kb

Manufacturer: A4tech

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

A4tech Rfkbs-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 Vista Ultimate 64bit, Windows 7 Enterprise (Microsoft Windows NT) 32bit, Windows 7 Starter 64bit, Windows Vista Home Premium 32bit, Windows Vista Home Premium 64bit, Windows 10 Team 32bit, Windows 8 Enterprise 32bit, Windows 7 Professional 64bit, Windows 10 Mobile 64bit, Windows 8 Pro 32bit, Windows RT 32bit, Windows 10 Home 64bit, Windows Vista Enterprise (Microsoft Windows NT 6.0.6000.0) 64bit, Windows 10 Enterprise 64bit,

A4tech Rfkbs-21 Download Stats:

Driver Uploaded: 2/18/2018

Direct Downloads: 607
Most Recent Download: 4/26/2018
Managed Downloads: 4302
Most Recent Download: 4/26/2018
Download Mirrors: 5
Current Delay: 18 Seconds
Driver License: Free

Direct Download Success Stats:

Reports Issued By 501/607 Users

Success Reported By 102/501 Users

Driver Download Score73/100

Driver Installation Score68/100

Overall preformance Score73/100

A4tech Rfkbs-21 44 Thumbs Up44Thumbs
A4tech Rfkbs-21 10 Thumbs Down10Thumbs
A4tech Rfkbs-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 4178/4302 Users

Success Reported By 3876/4178 Users

Driver Download Score97/100

Driver Installation Score84/100

Overall preformance Score81/100

A4tech Rfkbs-21 3666 Thumbs Up3666Thumbs
A4tech Rfkbs-21 74 Thumbs Down74Thumbs
A4tech Rfkbs-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 Rfkbs-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 Rfkbs-21 + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing A4tech Rfkbs-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 Rfkbs-21 problems:

A4tech Rfkbs-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 Rfkbs-21 disfunctions.

Scan performed on 4/24/2017, Computer: Sony VGN-CS60B_Q - Windows 7 64 bit

Outdated or Corrupted drivers:5/19

Device/DriverStatusStatus DescriptionUpdated By Scanner
VIA Pont ISA standard PCIUp To Date and Functioning
Mice And Touchpads
Logicool Logitech Cordless Mouse (USB)Up To Date and Functioning
Logicool Logitech HID-compliant Unifying MouseOutdated
Usb Devices
Fresco Logic Fresco Logic xHCI (USB3) Root HubUp To Date and Functioning
Sound Cards And Media Devices
Realtek Dispositivo de High Definition AudioUp To Date and Functioning
Logitech USB Audio DeviceCorrupted By A4tech Rfkbs-21
Realtek AzureWave AW-CA100/100DUp To Date and Functioning
Network Cards
Broadcom DW1501 Wireless-N WLAN Half-Mini CardUp To Date and Functioning
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
Advanced Micro Devices Standard Dual Channel PCI IDE ControllerUp To Date and Functioning
Nokia Nokia USB LCIFUp To Date and Functioning
Microsoft HID-compliant apparaatUp To Date and Functioning
Microsoft Texas Instruments PCI-1520 CardBus ControllerUp To Date and Functioning
Cameras, Webcams And Scanners
Canon Canon MP600RCorrupted By A4tech Rfkbs-21
Video Cards
NVIDIA NVIDIA GeForce FX 5200Up To Date and Functioning
Input Devices
Sony Sony Firmware Extension Parser DeviceUp To Date and Functioning
Port Devices
hspa Modem Application4 port (COM7)Corrupted By A4tech Rfkbs-21
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIACorrupted By A4tech Rfkbs-21

Scan performed on 4/24/2018, Computer: HP Rfrb h8-1100z - Windows 7 32 bit

Outdated or Corrupted drivers:8/18

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) 82801G (ICH7-Familie) USB2 erweiterter Hostcontroller - 27CCUp To Date and Functioning
Mice And Touchpads
NEC VersaGlideUp To Date and Functioning
Synaptics Synaptics SMBus TouchPadCorrupted By A4tech Rfkbs-21
Usb Devices
Microsoft Intel(r) 82801BA/BAM USB Universal Host Controller - 2444Up To Date and Functioning
Microsoft HID Keyboard DeviceCorrupted By A4tech Rfkbs-21
LogicControls Line Display LD9000Corrupted By A4tech Rfkbs-21
Sound Cards And Media Devices
Realtek High Definition Audio DeviceUp To Date and Functioning
Network Cards
Ralink Ralink 802.11n Wireless LAN CardUp To Date and Functioning
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
Intel(R) 82801FB Ultra ATA Storage Controllers - 2651 - 2651&CC_0101Up To Date and Functioning
ENE ENE CB1410 Cardbus ControllerCorrupted By A4tech Rfkbs-21
Mad Catz Programmable Support for KeyboardCorrupted By A4tech Rfkbs-21
Cameras, Webcams And Scanners
Canon Canon MP160Corrupted By A4tech Rfkbs-21
Video Cards
Intel Video ControllerUp To Date and Functioning
Input Devices
Lenovo Lenovo 800dpi ScrollPoint Optical (HID)Corrupted By A4tech Rfkbs-21
Port Devices
Sony Ericsson Sony Ericsson 750 USB WMC OBEX Interface (COM6)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Corrupted By A4tech Rfkbs-21
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning
Driver ModelOSOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
A4tech Rfkbs-21 V72298For Windows 7 32 bit12/13/201412/29/2016all_drivers-v72298.exe64kbASUS 1005HA, Packard Bell IMEDIA MC 8236, Fujitsu FMVNX95SD, IBM 9210WLV, Sony VGN-FE17SP, Sony VGC-JS51B_P, RIOWORKS HDAMB, IBM ThinkPad X41, and more.
A4tech Rfkbs-21 81.1326For Windows 7 64 bit2/15/201512/27/2016all_drivers-81.1326.exe198kbDK Digital EXentia, Sony VGN-TZ27GN_B, IBM 26476AG, Acer Aspire 5735Z, and more.
A4tech Rfkbs-21 2291.13For Windows 711/24/201412/27/2016all_drivers-2291.13.exe39kbToshiba Satego P100, IBM IBM System x3400 M3 Server -[7379AC1, Compaq DT203A-ABF S6400FR FR410, Fujitsu FMVNB70E, Lenovo ThinkPad X130e, Lenovo 6458V35, Lenovo ThinkPad X220, HP P6570jp, and more.
A4tech Rfkbs-21 2.11.1248For Windows 1011/2/201412/28/2016fnmxjy-2.11.1248.exe205kbIBM 8184LG1, NEC PC-VN470GS6R, Acer Aspire 3660, Panasonic CF-53AAC01FE, Toshiba SATELLITE C870-162, Gigabyte Z97X-UD5H, LG R510-S.AP87K, HP 610-1130uk, Lenovo 9174Y1A, Sony VGN-CS325J, and more.
A4tech Rfkbs-21 I82321.1For Windows 10 64 bit2/27/201512/30/2016all_drivers-i82321.1.exe182kbGateway PROFILE3, Fujitsu FMVFE90DBY, Lenovo ThinkPad Edge E320, Toshiba Dynabook T552/36FWK, Fujitsu FMVD94G041, Compaq NQ905AA-ABU CQ5012UK, Sony VGN-NS31MT_S, Sony PCV-RS216, Lenovo 20AL009CUS, HP 220-1100t, Sony VGN-SR28_Q, and more.
A4tech Rfkbs-21 K221.12.10For Windows 7 32 bit10/1/201412/29/2016p-k221.12.10.exe149kbHP CQ2800EEm, Sony VGN-AR91PS, HP HP Pavilion dv 9500 Notebook PC, Toshiba SATELLITE PRO C850-19G, Intel W660DI, IBM IBM System x3350 -[4193E5G, SAMSUN 770Z5E/780Z5E, HP PN133AA-ABU, Gateway E-5200, and more.
A4tech Rfkbs-21 73244For Windows 7 64 bit11/1/201412/27/2016all_drivers-73244.exe140kbASUS 1001PQ, Fujitsu FMVWMS277, HP HP Compaq nw8000, Toshiba Dynabook TX/77MWHYD, Intel WIV68105-0268, Toshiba Dynabook TX/77MWHYD, MSI GT60 2OJWS, Compaq EG217AA-ABG SR1699AN AN540, Acer Aspire 1520, Toshiba SATELLITE C870-14G, LG E500-S.AP22R1, ICP / IEi KINO-690AM2, Supermicro X7DBP, and more.
A4tech Rfkbs-21 473For Windows 710/6/201412/29/2016all_drivers-473.exe197kbNEC NEC POWERMATE X8520, Sony VGN-NW250D, HP Db234a-abg 504a, Sony SVE1411E1RB, BYTSPD ByteSpeed LLC, Sony VGN-NS92XS, Sony VGN-UX90PS, and more.
A4tech Rfkbs-21 482.1For Windows 1011/28/201412/29/2016-482.1.exe138kbIBM NetVista personal computer, MSI MS-9899, Toshiba SATELLITE C850-A821, WIPRO WIV37455-1080, ASUS P5GD2-TVM, HP Hp elite hpe410f, HP HP PAVILION DV9000 KP950EA#ABF, Acer TM7520, and more.
A4tech Rfkbs-21 70432For Windows 10 64 bit9/1/201412/27/2016all_drivers-70432.exe87kbFujitsu CLW8GAG1D, Lenovo ThinkPad L412, HP KZ692AA-ABU m9373.UK, Sony VGN-NS240D, Toshiba NB100/HF, Compaq Presario 7132EA 470019-261, and more.
A4tech Rfkbs-21 701.136For Windows 811/27/201412/30/2016all_drivers-701.136.exe132kbSony VGN-TZ35AN, Dell OptiPlex G1 350Mbr+, Lenovo ThinkPad L530, Sony PCG-GR214EP, Fujitsu FMVCE80T7, Gateway DX441B, IBM 26523CU, Sony VGN-FW56E, Dell WN09, Sony VGN-TZ3RMN_N, and more.
A4tech Rfkbs-21 22668For Windows 7 32 bit10/14/201412/28/2016all_drivers-22668.exe158kbAcer Veriton Z430G, Open Labs Neko/Miko, HP HP Compaq 6715s, HP RZ412AA-ABZ, Panasonic CF-19TH187QW, Compaq RR472AA-ABF SR2102FR, Aquarius Aquarius Std, Pro, Elt, HP HP Compaq nx6110, and more.
A4tech Rfkbs-21 33674For Windows 7 64 bit9/10/201412/28/2016all_drivers-33674.exe62kbPanasonic CF-53JAWZYDE, Acer Veriton S670, HP HP Compaq 8710p, HP HP Pavilion dv5000 ES248EA#ABD, Packard Bell IMEDIA MC 8236, NEC PC-VN750RG6B, HCL Infosystems IGL 1701CT, Itautec Infoway w7730, Lanix LANIX CORP 4080, Seneca Pro354493, and more.

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