5/28/2018 +609 new drivers.
A4tech Wwu-21 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for A4tech Wwu-21
Certifications for A4tech Wwu-21
5 stars for A4tech Wwu-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 Wwu-21 Driver Download

Windows Compatibility for A4tech Wwu-21 driver

A4tech Wwu-21 Driver Details:

A4tech Wwu-21 File Name:

A4tech Wwu-21 Driver Version: 803xA

A4tech Wwu-21 ZIP Size: 111.kb

Manufacturer: A4tech

A4tech Wwu-21 was fully scanned at: 5/22/2018
Scan Status: driver download scanOK

A4tech Wwu-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 Starter 64bit, Windows Vista Home Premium 64bit, Windows RT 32bit, Windows 7 Home Basic 32bit, Windows 10 64bit, Windows Vista Enterprise (Microsoft Windows NT 6.0.6000.0) 32bit,

A4tech Wwu-21 Download Stats:

Driver Uploaded: 4/25/2018

Direct Downloads: 73
Most Recent Download: 4/25/2018
Managed Downloads: 3072
Most Recent Download: 4/26/2018
Download Mirrors: 1
Current Delay: 9 Seconds
Driver License: GPL

Direct Download Success Stats:

Reports Issued By 67/73 Users

Success Reported By 12/67 Users

Driver Download Score71/100

Driver Installation Score64/100

Overall preformance Score68/100

A4tech Wwu-21 2 Thumbs Up2Thumbs
A4tech Wwu-21 0 Thumbs Down0Thumbs
A4tech Wwu-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 2449/3072 Users

Success Reported By 1995/2449 Users

Driver Download Score77/100

Driver Installation Score98/100

Overall preformance Score93/100

A4tech Wwu-21 1828 Thumbs Up1828Thumbs
A4tech Wwu-21 151 Thumbs Down151Thumbs
A4tech Wwu-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 Wwu-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 Wwu-21 + all other outdated drivers, and installs them all at once.

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

A4tech Wwu-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 Wwu-21 disfunctions.

Scan performed on 4/26/2017, Computer: Sony VGN-CS26G_C - Windows 7 64 bit

Outdated or Corrupted drivers:6/21

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) 6300ESB SMBus Controller - 25A4Up To Date and Functioning
Mice And Touchpads
Fujitsu Component touchpad/touchscreenCorrupted By A4tech Wwu-21
Synaptics Synaptics PS/2 Port Compatible TouchPadUp To Date and Functioning
WheelMouse USB Advanced Wheel MouseCorrupted By A4tech Wwu-21
Usb Devices
Hewlett-Packard USB Composite DeviceUp To Date and Functioning USB Composite DeviceUp To Date and Functioning
Sound Cards And Media Devices
Syntek USB 2.0 Video Capture ControllerUp To Date and Functioning
Network Cards
Qualcomm Atheros Qualcomm Atheros AR9485 Wireless Network AdapterCorrupted By A4tech Wwu-21
Microsoft HID KeyboardCorrupted By A4tech Wwu-21
Hard Disk Controller
NVIDIA NVIDIA Network Bus EnumeratorUp To Date and Functioning
Intel Intel(r) AIM External Flat Panel Driver 2Up To Date and Functioning
Mad Catz Programmable Support for MouseUp To Date and Functioning
Datel Design & Development DSi AR HW ProgUp To Date and Functioning
Microsoft Texas Instruments PCI-7x20/6x20 CardBus ControllerUp To Date and Functioning
Unibrain OHCI Compliant IEEE 1394 Host ControllerUp To Date and Functioning
Cameras, Webcams And Scanners
Brother Brother DCP-115C USBUp To Date and Functioning
Video Cards
ATI ATI Technologies, Inc. 3D RAGE PRO AGP 2XCorrupted By A4tech Wwu-21
Input Devices
Lenovo Lenovo 800dpi ScrollPoint Optical (HID)Up To Date and Functioning
Port Devices
D-Link MT65xx PreloaderUp To Date and Functioning
Sony Digital Flat Panel (1024x768)Corrupted By A4tech Wwu-21
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning

Scan performed on 4/24/2018, Computer: Acer Aspire M1850 - Windows 7 32 bit

Outdated or Corrupted drivers:7/22

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel Standard Dual Channel PCI IDE ControllerCorrupted By A4tech Wwu-21
Mice And Touchpads
WheelMouse USB Advanced Wheel MouseUp To Date and Functioning
Synaptics Mouse compatibile PS/2Up To Date and Functioning
Microsoft Microsoft Serial MouseUp To Date and Functioning
Usb Devices
M-Audio M-Audio MIDISPORT Uno / 1x1 LoaderUp To Date and Functioning
Logitech Logitech USB Camera (Zoom)Corrupted By A4tech Wwu-21
Sound Cards And Media Devices
AnalogDevices SoundMAX Integrated Digital HD AudioUp To Date and Functioning
ASUS USB Mass Storage DeviceOutdated
Analog Devices SoundMAX Integrated Digital AudioOutdated
Network Cards
Intel(R) Dual Band Wireless-AC 3160Up To Date and Functioning
Microsoft HID KeyboardOutdated
Hard Disk Controller
ALi Coporation ALi M5229 PCI-Bus-Master-IDE-ControllerUp To Date and Functioning
ClockworkMod CDC SerialUp To Date and Functioning
SMSC SMSC IrCC - Fast Infrared PortCorrupted By A4tech Wwu-21
Hewlett-Packard psc 1200 (DOT4)Up To Date and Functioning
Intel HID Sensor CollectionUp To Date and Functioning
Cameras, Webcams And Scanners
Realtek Realtek USB2.0 PC CameraOutdated
Video Cards
Intel(R) HD GraphicsUp To Date and Functioning
Input Devices
KME Dispositivo de interfaz humana USBUp To Date and Functioning
Port Devices
ONDA ONDA USB Enumerator For AT DeviceUp 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 Wwu-21 I41.1760For Windows 7 32 bit9/5/201412/27/2016all_drivers-i41.1760.exe192kbNEC PC-LL550VG2KS, Sony VGN-FW45MJ_B, ALFATRON SpA DN1010/M, Dell PowerEdge R220, Fujitsu FMVU90LB, HP HP Compaq dc7600 CMT, Sony VPCF13NFX, IBM IBM System x3500 M4 Server -[7383E1G, LG A510-U.AESGE2, Zenith Persidio, and more.
A4tech Wwu-21 1.10677For Windows 7 64 bit11/15/201412/27/2016all_drivers-1.10677.exe193kbLG B55MS.ARB4B1K, MSI MS-7030, HP P6580t, IBM 8141KGR, Sony VGN-NS190J, HP P6772l, LG R410-L.A2BME8, NEC PC-GV30H2ZG3, ASUS BM5275, HP G5170f, MIKROLOG Power P45-CO, Lenovo ThinkPad X200, and more.
A4tech Wwu-21 1.11.139For Windows 710/31/201412/30/2016all_drivers-1.11.139.exe81kbPanasonic CF-30CTQCBBM, NEC EASYNOTE PB37R00002, HP WC785AA-UUW p6363sc, Intel LM1WN, Panasonic CF47, Lenovo 3000 G530 Notebook, MiTAC 9008D, Fujitsu PRIMERGY RX300 S8, Toshiba SATELLITE S50D-A-10H, Toshiba SATELLITE L775-15N, Lenovo ThinkCentre M75e, and more.
A4tech Wwu-21 J30801.1For Windows 109/15/201412/27/2016all_drivers-j30801.1.exe152kbI.C.S Olivetti MK510, Panasonic CF-W8FWDAJR, Toshiba SATELLITE L775-15N, HP ER183AA-ABZ, Lenovo 6086WKY, Supermicro SYS-5017C-MF, HP HP ProBook 6455b, and more.
A4tech Wwu-21 A21.171.14For Windows 10 64 bit1/5/201512/30/2016all_drivers-a21.171.14.exe210kbLenovo ThinkPad Helix, NEC PC-MK32MEZDG, Compaq DC477A-ABA S3100NX NA111, HP 100-6100BR, Compaq EV958AA-ABF SR1804FR FR620, Sony VPCW21A7E, Gigabyte EQ45M-S2, Dell OptiPlex GX1 500MTbr+, and more.
A4tech Wwu-21 32662For Windows 7 32 bit10/13/201412/27/2016all_drivers-32662.exe26kbIBM 622138G, Zenith Z-Book, NEC PC-VY20MAZ79, Epson Endeavor MT7500, Toshiba Dynabook R731/W2MB, and more.
A4tech Wwu-21 W432.144For Windows 7 64 bit2/4/201512/30/2016all_drivers-w432.144.exe191kbSony PCG-GRX616SP, Panasonic CF-19RHRAXPF, IBM 4838137, HP FK785AAR-ABA s3620f, Samsung 200B4Z/S01TH, Sony VGN-TZ27MN_B, HP NM920AA-ABU m9639uk, Compaq GC662AA-ABA SR5113WM, HP HPE-350es, ASUS ET2400IGTS-H61, Sony SVT131190S, and more.
A4tech Wwu-21 2372.11.1For Windows 71/31/201512/28/2016all_drivers-2372.11.1.exe202kbSony VGN-A230P, Packard Bell IPower J9000, ASUS P5KPL-AM, NEC PC-MY26RAZ77S96, LG B75PS.AS5MB1D, Dimotion PCDO5V3, Sony VGN-NS72JB_W, Sony VGN-NS190J, LG A510-U.AESGE2, Packard Bell ISTART D3180, IBM IBM System x3500 M2 Server -[783932M, EMachines 98.Y2D7Z.CF0, HP RK570AAR-ABA m7760, and more.
A4tech Wwu-21 D31.11.12.17For Windows 109/18/201412/28/2016all_drivers-d31.11.12.17.exe142kbCompaq P8657C-ABA 8000Z NA510, Packard Bell IMEDIA J4715 AIO, Sony PCG-GRT815M, NEC VERSAL2100 RND41065495, Sony VGN-AW50DB_H, Fujitsu FMVF52CTWG, NEC Express5800/56Xd [N8000-566C, Epson AT970-KD2, Sony VGN-NS90HS_6_W, ASUS CM5425, HP KT850AV-ABJ s3540jp, HP HP Compaq 6710b, ASUS P5K-VM/S, and more.
A4tech Wwu-21 1.11.1973For Windows 10 64 bit9/21/201412/30/2016iavgt-1.11.1973.exe66kbSony VGN-FW46S, Sony VGNFW490JFT, Gigabyte G31M-ES2C, HP FK484AAR-ABA m9400t, Toshiba SATELLITE C850-A791, HP Presario F500, Fujitsu FMV5NUBJH3, AT PREMIO BINGO, and more.
A4tech Wwu-21 30772.1For Windows 810/19/201412/27/2016all_drivers-30772.1.exe168kbGateway E-9520T, Gigabyte GA-6FASV1, Toshiba SATELLITE L850D-130, Lenovo ThinkPad W500, Toshiba Satellite R630, Lenovo 7373W7L, HP GG020AA-AB3 g3085l, Dell Latitude 13, IBM 1843A19, and more.
A4tech Wwu-21 2.13902For Windows 7 32 bit10/7/201412/27/2016all_drivers-2.13902.exe78kbMIKROLOG Power P45-CO, Lenovo ThinkPad X200, Sony VGN-NW24MG, ICP / IEi IMBA-Q454, WIPRO WIV52K55-0051, Compaq PC139A-ABA SR1115CL NA431, Toshiba Equium L100, HP GX709AA-ABM s3310la, Notebook MIM2280, Dimotion PCDM4J5P, HP WL325AA-ABD p6326de, and more.
A4tech Wwu-21 2.132.176For Windows 7 64 bit9/8/201412/28/2016all_drivers-2.132.176.exe131kbSony PCG-GR5F_BP, Packard Bell Ixtreme i7650, Sony VGC-LB92S, Panasonic CF-19HH165NW, Fujitsu FMVH70K9V, Fujitsu FMVNP8A7, HP EG211AA-ABG m7288a, Toshiba SATELLITE C855D-122, Gigabyte EQ45M-S2, Lenovo 20AMS05C00, MSI MS-9818, NEC PC-LL750MG1N, and more.

Please Note: There are particular operating systems known to have problems with A4tech Wwu-21:
  • Windows 7 Home Basic
  • Windows 10
  • Windows 7 Home Premium
  • Windows 10 Mobile
  • Windows 10 Pro
  • Windows Vista Home Premium
  • Windows 7 Ultimate
  • Windows 8 Pro
  • Windows Vista Home Basic
  • Windows 7 Professional
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific A4tech Wwu-21 model.
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