4/25/2017 new driver models for direct download:523
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 7/18/2015

Checking...for 4/25/2017 Updates

All drivers on are updated on daily basis.

However, a new version of A4tech Wwu-21 might have been uploaded since our last site update.

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: 4/22/2017
Scan Status: driver download scanOK

A4tech Wwu-21 special revision for: Windows XP Professional x64 Edition 64 bit, Windows XP Media Center Edition 64 bit, Windows Vista Business 32 bit, Windows Vista Ultimate 32 bit, Windows 7 Service Pack 1 (Microsoft Windows NT) 64 bit, Windows XP Media Center Edition 2003 32 bit

A4tech Wwu-21 Download Stats:

Driver Uploaded: 4/16/2017

Direct Downloads: 73
Most Recent Download: 4/23/2017
Managed Downloads: 3057
Most Recent Download: 4/23/2017
Download Mirrors: 1
Current Delay: 21 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 2453/3057 Users

Success Reported By 1994/2453 Users

Driver Download Score77/100

Driver Installation Score98/100

Overall preformance Score93/100

A4tech Wwu-21 1827 Thumbs Up1827Thumbs
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 4/25/2017, Computer: HP HP Compaq DC5850

Outdated or Corrupted drivers:6/19

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) 6700PXH PCI Express-to-PCI Bridge A - 0329Up To Date and Functioning
Mice And Touchpads
A4Tech HID-compliant mouseCorrupted By A4tech Wwu-21
Microsoft Logitech USB WheelMouseUp To Date and Functioning
Usb Devices
CASIO CW100 DeviceUp To Date and Functioning
Sound Cards And Media Devices
YUAN High-Tech Development YUAN MC763M/MC763H Hybrid Analog/DVB-TCorrupted By A4tech Wwu-21
Network Cards
Netgear NETGEAR WNDA3100v2 N600 Wireless Dual Band USB AdapterUp To Date and Functioning
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
Ricoh Ricoh SD Bus Host AdapterUp To Date and Functioning
Nokia Nokia E52 USB LCIFUp To Date and Functioning
Realtek Semiconduct Realtek PCIE CardReaderCorrupted By A4tech Wwu-21
Intel(R) Sensor SolutionUp To Date and Functioning
PACE Anti-Piracy USB iLok DriverUp To Date and Functioning
Nokia Nokia C6-00 USB LCIFCorrupted By A4tech Wwu-21
Cameras, Webcams And Scanners
Canon Canon MG5300 seriesUp To Date and Functioning
Video Cards
ATI ATI Technologies, Inc. 3D RAGE PRO AGP 2XCorrupted By A4tech Wwu-21
Input Devices
Eastern Times USB-HID (Human Interface Device)Up To Date and Functioning
Port Devices
MediaTek DA USB VCOM Port (COM11)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIACorrupted By A4tech Wwu-21

Scan performed on 4/25/2017, Computer: Toshiba Dynabook T552/47FR

Outdated or Corrupted drivers:7/18

Device/DriverStatusStatus DescriptionUpdated By Scanner
Synaptics SMBus ControllerUp To Date and Functioning
Mice And Touchpads
Logitech HID-compliant mouseOutdated
Logitech Logitech Bluetooth Travel MouseOutdated
Elo TouchSystems USB Human Interface DeviceOutdated
Usb Devices
Intel SM-N900Up To Date and Functioning
Sound Cards And Media Devices
Intel Intel WiDi Audio DeviceUp To Date and Functioning
NVIDIA NVIDIA HDMI AudioUp To Date and Functioning
Network Cards
Huawei HUAWEI Mobile Connect - Network CardUp To Date and Functioning
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
VIA VIA ATA ChannelUp To Date and Functioning
Motorola Android Composite ADB InterfaceCorrupted By A4tech Wwu-21
Intel(R) 82810 Graphics Controller (Microsoft Corporation)Up To Date and Functioning
Cameras, Webcams And Scanners
Canon Canon MP160Up To Date and Functioning
Video Cards
Intel Video ControllerCorrupted By A4tech Wwu-21
Input Devices
Logitech USB Input Device (Logitech Download Assistant)Up To Date and Functioning
Port Devices
Huawei Vodafone Mobile Broadband Diagnostics Port (Huawei) (COM23)Corrupted By A4tech Wwu-21
Sony Digital Flat Panel (1024x768)Outdated
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
A4tech Wwu-21 I41.17609/5/201412/27/2016a4tech_wwu-21-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 1.1067711/15/201412/27/2016a4tech_wwu-21-1.10677.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 1.11.13910/31/201412/30/2016a4tech_wwu-21-1.11.139.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 J30801.19/15/201412/27/2016a4tech_wwu-21-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 A21.171.141/5/201512/30/2016a4tech_wwu-21-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 3266210/13/201412/27/2016a4tech_wwu-21-32662.exe26kbIBM 622138G, Zenith Z-Book, NEC PC-VY20MAZ79, Epson Endeavor MT7500, Toshiba Dynabook R731/W2MB, and more.
A4tech Wwu-21 W432.1442/4/201512/30/2016a4tech_wwu-21-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 2372.11.11/31/201512/28/2016a4tech_wwu-21-2372.11.1.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 D31.11.12.179/18/201412/28/2016a4tech_wwu-21-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 1.11.19739/21/201412/30/2016iavgt-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 30772.110/19/201412/27/2016a4tech_wwu-21-30772.1.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 2.1390210/7/201412/27/2016a4tech_wwu-21-2.13902.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 2.132.1769/8/201412/28/2016a4tech_wwu-21-2.132.176.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 Vista Ultimate
  • Windows 7 Service Pack 1 (Microsoft Windows NT)
  • Windows XP Starter Edition
  • Windows 8 Enterprise
  • Windows 8
  • Windows XP Media Center Edition
  • Windows XP Professional
  • Windows Vista Home Basic
  • Windows XP Tablet PC Edition
  • Windows XP Home Edition, for home desktops and laptops
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.
Laptop A4tech Wwu-21Tablet A4tech Wwu-21Download A4tech Wwu-21Upgrade A4tech Wwu-21Update A4tech Wwu-212017 A4tech Wwu-21Free A4tech Wwu-21Data A4tech Wwu-21Info A4tech Wwu-21Help A4tech Wwu-21Guide A4tech Wwu-21Comments A4tech Wwu-21Windows 10 A4tech Wwu-21Vista A4tech Wwu-21Windows 7 A4tech Wwu-21Install A4tech Wwu-21