10/25/2016 new driver models for direct download:912
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 10/25/2016 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: 10/21/2016
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: 10/18/2016

Direct Downloads: 54
Most Recent Download: 10/23/2016
Managed Downloads: 2147
Most Recent Download: 10/23/2016
Download Mirrors: 1
Current Delay: 6 Seconds
Driver License: GPL

Direct Download Success Stats:

Reports Issued By 46/54 Users

Success Reported By 8/46 Users

Driver Download Score71/100

Driver Installation Score64/100

Overall preformance Score68/100

A4tech Wwu-21 1 Thumbs Up1Thumbs
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 1611/2147 Users

Success Reported By 1446/1611 Users

Driver Download Score77/100

Driver Installation Score98/100

Overall preformance Score93/100

A4tech Wwu-21 1350 Thumbs Up1350Thumbs
A4tech Wwu-21 139 Thumbs Down139Thumbs
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.

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 10/25/2016, Computer: Toshiba Dynabook T552/36FWK

Outdated or Corrupted drivers:11/22

Device/DriverStatusStatus DescriptionUpdated By Scanner
Microsoft Porta di commutazione upstream standard PCI ExpressUp To Date and Functioning
Mice And Touchpads
Microsoft Souris Microsoft USB Wheel Mouse OpticalUp To Date and Functioning
Logitech Logitech USB iFeel MouseUp To Date and Functioning
Logitech Logicool HID-compliant Unifying MouseCorrupted By A4tech Wwu-21
Usb Devices
Cypress HX2LP Kit (3.03.0000.2)Up To Date and Functioning
Logitech Logitech USB Camera (Zoom)Corrupted By A4tech Wwu-21
Sound Cards And Media Devices
Intel(R) Intel(R) Display-AudioUp To Date and Functioning
Philips Multimedia ControllerOutdated
Network Cards
Qualcomm Atheros Atheros AR928X Wireless Network AdapterCorrupted By A4tech Wwu-21
Microsoft Keyboard Device FilterCorrupted By A4tech Wwu-21
Hard Disk Controller
Intel(R) 6 Series/C200 Series Chipset Family 4 port Serial ATA Storage Controller - 1C01Up To Date and Functioning
Microsoft Texas Instruments PCI-7x20/6x20 CardBus ControllerCorrupted By A4tech Wwu-21
Hewlett-Packard psc 1200 (USBPRINT)Corrupted By A4tech Wwu-21
Intel Intel(r) AIM External Flat Panel Driver 0Corrupted By A4tech Wwu-21
Datel Design & Development DSi AR HW ProgUp To Date and Functioning
Nokia Nokia C6-00 USB PhonetUp To Date and Functioning
Cameras, Webcams And Scanners
Philips Philips SPC1030NC WebcamUp To Date and Functioning
Video Cards
ATI RADEON X600 Series Secondary (Microsoft Corporation - WDDM)Up To Date and Functioning
Input Devices
Lenovo Lenovo 800dpi ScrollPoint Optical (HID)Up To Date and Functioning
Port Devices
hspa Modem Application2 port (COM5)Corrupted By A4tech Wwu-21
Sony Digital Flat Panel (1024x768)Corrupted By A4tech Wwu-21
Mobile Phones And Portable Devices
Acer NOKIACorrupted By A4tech Wwu-21

Scan performed on 10/25/2016, Computer: Lenovo SS09221149

Outdated or Corrupted drivers:9/19

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) 6311ESB/6321ESB PCI Express to PCI-X Bridge - 350CCorrupted By A4tech Wwu-21
Mice And Touchpads
Synaptics Synaptics SMBus TouchPadUp To Date and Functioning
Usb Devices
Samsung SAMSUNG Mobile USB CDC Composite DeviceOutdated
Apple Apple iPhoneOutdated
Microsoft Standard OpenHCD USB Host-controllerOutdated
Sound Cards And Media Devices
NVIDIA NVIDIA HDMI AudioUp To Date and Functioning
YUAN STK7700DUp To Date and Functioning
ViXS ViXS PureTV-U ISDB-T TunerUp To Date and Functioning
Network Cards
Broadcom 2x2 11a/b/g/n Wireless LAN PCI Express Half Mini Card AdapterCorrupted By A4tech Wwu-21
Microsoft HID KeyboardOutdated
Hard Disk Controller
Intel(R) 82801DB Ultra ATA ControllerUp To Date and Functioning
Brother USB Printing SupportUp To Date and Functioning
Microsoft Texas Instruments PCI-7x20/6x20 CardBus ControllerUp To Date and Functioning
Cameras, Webcams And Scanners
Canon Canon MP160Corrupted By A4tech Wwu-21
Video Cards
ATI RADEON X600 Series (Microsoft Corporation - WDDM)Up To Date and Functioning
Input Devices
KME Periferica USB Human InterfaceUp To Date and Functioning
Port Devices
Microsoft Communications Port (COM1)Corrupted By A4tech Wwu-21
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIACorrupted By A4tech Wwu-21
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
A4tech Wwu-21 I41.17609/5/201412/27/2015a4tech_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, Compaq ED879AA-ABA SR1638NX NA540, LG LM50-34GB, HP H9-1156eg, HP FR564AA-ABF m9356.f, Compaq NC109AA-ABH SR5422NL, IBM IBM System x3400 M3 Server -[7379AC1, and more.
A4tech Wwu-21 1.1067711/15/201412/27/2015a4tech_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, Sony VGN-NW24MG, ICP / IEi IMBA-Q454, WIPRO WIV52K55-0051, Compaq PC139A-ABA SR1115CL NA431, Toshiba Equium L100, HP GX709AA-ABM s3310la, and more.
A4tech Wwu-21 1.11.13910/31/201412/30/2015a4tech_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, Gateway E4252, NEC PC-MJ30DLZCA, Panasonic CF-S9LWEJPS, Sony VGN-CS60B_Q, Dell PowerVault NX3200, Compaq PW679AA-ABE SR1377ES ES510, and more.
A4tech Wwu-21 J30801.19/15/201412/27/2015a4tech_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, NEC PC-MY18XAZ35, Sony VPCEB4E9R, LG E500-G.ABBTZ, Acer Aspire M7200, Seneca U53131, BenQ Joybook P51, and more.
A4tech Wwu-21 A21.171.141/5/201512/30/2015a4tech_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+, Sony VGN-FW17GU_H, Compaq P8654S-ABA S3000V NA110, IBM 812235U, Toshiba Dynabook SS RX1/T9A, Sony VGN-AW150Y, Sony VPCSB3AJ, and more.
A4tech Wwu-21 3266210/13/201412/27/2015a4tech_wwu-21-32662.exe26kbIBM 622138G, Zenith Z-Book, NEC PC-VY20MAZ79, Epson Endeavor MT7500, Toshiba Dynabook R731/W2MB, Sony VPCW211AD, NEC PC-VN750RG6B, HP FK785AAR-ABA s3620f, Acer Veriton M-480G, HP PS318AA-ABY, HP KJ253AA-ABD, and more.
A4tech Wwu-21 W432.1442/4/201512/30/2015a4tech_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, HP GL327AA-ABF a6115.f, Panasonic CF-R8EWBAAP, Sony VGN-SZ61VN_X, PASCAL PT880PRO-PS, Fujitsu FMVNXA90N, Lenovo ThinkPad T400, and more.
A4tech Wwu-21 2372.11.11/31/201512/28/2015a4tech_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, WIPRO WNBOBM4930-EK-0015, IBM 8099KKB, HP KE485AA-UUZ, Toshiba Dynabook T552/47FKD, Sony VGN-NS31MT_S, HP HP Pavilion DV6, and more.
A4tech Wwu-21 D31.11.12.179/18/201412/28/2015a4tech_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, Sony VGN-NS130AE, Dell Inspiron 580, Sony VPCEH18FK, HP P6714it-m, PCP+ G41 Xeon series, Sony VGN-TT46MG_B, and more.
A4tech Wwu-21 1.11.19739/21/201412/30/2015iavgt-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, Sony VGN-FE51B_H, HP EC581AA-B1U, HP PN089AA-ABF m1180.f, Lenovo H520, Gateway FX6800, Sony VPCSE23FX, and more.
A4tech Wwu-21 30772.110/19/201412/27/2015a4tech_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, Dell OptiPlex 9020, Compaq DQ119A-ABZ S5400IT IT340, Sony VGN-NS160D, HP GB290AA-AB5 m8088hk, Gateway E-5200, Compaq BT466AA-ACJ CQ3211IX, and more.
A4tech Wwu-21 2.1390210/7/201412/27/2015a4tech_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, Compaq Presario 8141EA, HP HP dc5000 SFF, Lenovo ThinkPad X100e, HP RF759AA-ABF s7640.f, Sony VOA, LG F1-2242HS, and more.
A4tech Wwu-21 2.132.1769/8/201412/28/2015a4tech_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, Acer Aspire 5710Z, Exper ACTIVEDEX144, Sony VGN-S5VP_B, Alienware Alienware X51, HP PX813AA-ABX, Panasonic CF-19THR65Q2, and more.
A4tech Wwu-21 1.104893/8/201512/28/2015a4tech_wwu-21-1.10489.exe197kbNEC Express5800/54We [N8000-246, Packard Bell IMEDIA B2218 UK, HP P6747ch-m, HP HP Pavilion dv9000 NoteBook PC, Toshiba SATELLITE L870-150, Panasonic CF-29NAQC9BM, Fujitsu N6220, HP FK908AA-ABG a6640a, AT OFFICEPRO SFF, Lenovo ThinkPad T430u, Compaq BT466AA-ACJ CQ3211IX, IBM 2374WDG, LG FD-223NC, Dell XPS A2020, ALFATRON SpA HX610, HP G5170f, HP 610-1110es, Panasonic CF-29ETP20KM, Gateway NV59C, and more.
A4tech Wwu-21 Y823099/23/201412/28/2015a4tech_wwu-21-y82309.exe201kbMatsonic MS9387E, HP VG123AA-ABF p6127f, Lenovo 3626AK4, Sony VGN-NS250TJ, Acer AS5320, ZOTAC ZBOXNXS-AD11, IBM 8084W2J, HP EJ218AA-B14, HP DW167A-ABF a425.f, IBM 184469U, HASEE QJC4, Panasonic CF-19FHLAXAM, DIEBOLD Sierra, Toshiba Dynabook T552/36GWJ, Compaq RK531AA-ABG SR1985AN AP680, ARIMA W651DI, Panasonic CF-31UEUJDDA, HP FJ470AAR-ABA m9357c, NEC PC-VJ12EBBCHCLD, and more.
A4tech Wwu-21 S8391.11.111/2/201412/30/2015ktah-s8391.11.1.exe206kbMCJ P67A-SD40, Fujitsu FMVNS3EE, Lenovo 3000 J200p Desktop, HP VD042AA-ABF p6105f, Lenovo ThinkPad R400, Toshiba Dynabook Satellite L45 240E/HD, HP HPE-550be, Panasonic CF-19KDRC66M, SAMSUN SX60P, Lenovo 3484 - DBG, HP S5680t, and more.
A4tech Wwu-21 2.1260312/19/201412/28/2015a4tech_wwu-21-2.12603.exe197kbHCL Infosystems APM88-GS, Acer Dalle, Fujitsu ESPRIMO E7935, Sony VPCCW18FG, Lenovo 3000 J110 Desktop, HP EP245AA-ABU, Gigabyte M1022E, ARLT Computer Produkte Mr. Gamer 7-11 R2, HP KP266AA-ABZ, IBM 18445GU, Lenovo ThinkPad Edge E530c, and more.
A4tech Wwu-21 J201.1431/24/201512/28/2015a4tech_wwu-21-j201.143.exe123kbFujitsu FMVCE70J7, Toshiba SATELLITE C855-1NF, Sony VGN-AW150Y, HP Xy107et, LG LE50-23SK, Lenovo ThinkCentre M72e, NEC PC-MJ29MLZ2JCSF, IBM NetVista personal computer, Packard Bell IMEDIA MC 5303, HP CQ1160FRm, Sony VGN-NS240D, HP HP PAVILION DV9000, and more.
A4tech Wwu-21 21.1442.112/28/201412/27/2015xakygi-21.1442.1.exe193kbPCP+ G41 Xeon series, Panasonic CF-53JBLBY1M, LG LE50-23SK, Acer TravelMate 8331, NEC PC-MY30DEZCA, IBM 26478RG, Pegatron C17B, HP PW706AA-ABM W5010LA, Fujitsu Stylistic LT P-600, Mio N890, HP GB342AA-AB0 a6086tw, Sony VGX-XL2A, Sony SVT21213CXB, NEC PC-MJ29MLZ2JCSG, Sony VOA, ASUS R052CE, Sony VPCF13NFX, Viglen D915GUX, and more.
A4tech Wwu-21 323412/24/201412/30/2015a4tech_wwu-21-3234.exe185kbSupermicro X7DVL-3, NEC PC-VY16GWZR4, Leading Edge LECQ43SOHO, NEC PC-VY26AEZ78, IBM 8307SGY, Fujitsu FMVS54KRC, Sony VGN-NS38M_W, Toshiba SATELLITE C855-1ME, Toshiba Satellite C850-B906, Compaq PX631AA-ABU SR1440UK GB520, Lenovo ThinkCentre M75e, 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-212016 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