4/26/2017 new driver models for direct download:1003
A4tech Www-21 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for A4tech Www-21
Certifications for A4tech Www-21
5 stars for A4tech Www-21 "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 4/26/2017 Updates

All drivers on are updated on daily basis.

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

A4tech Www-21 Driver Download

Windows Compatibility for A4tech Www-21 driver

A4tech Www-21 Driver Details:

A4tech Www-21 File Name:

A4tech Www-21 Driver Version: 194S2sE0

A4tech Www-21 ZIP Size: 108.kb

Manufacturer: A4tech

A4tech Www-21 was fully scanned at: 4/22/2017
Scan Status: driver download scanOK

A4tech Www-21 special revision for: Windows 7 Enterprise (Microsoft Windows NT) 32 bit, Windows XP Professional 64 bit, Windows 7 Professional 64 bit, Windows Vista Starter 64 bit, Windows XP Media Center Edition 32 bit, Windows XP Professional x64 Edition 32 bit, Windows XP Media Center Edition 2003 64 bit, Windows Vista Business 64 bit, Windows Vista Enterprise (Microsoft Windows NT 6.0.6000.0) 64 bit, Windows RT 32 bit, Windows XP Starter Edition 32 bit, Windows 7 Service Pack 1 (Microsoft Windows NT) 32 bit, Windows XP Home Edition, for home desktops and laptops 64 bit

A4tech Www-21 Download Stats:

Driver Uploaded: 3/19/2017

Direct Downloads: 1431
Most Recent Download: 4/24/2017
Managed Downloads: 1840
Most Recent Download: 4/24/2017
Download Mirrors: 2
Current Delay: 16 Seconds
Driver License: Free Software

Direct Download Success Stats:

Reports Issued By 1209/1431 Users

Success Reported By 336/1209 Users

Driver Download Score61/100

Driver Installation Score60/100

Overall preformance Score73/100

A4tech Www-21 190 Thumbs Up190Thumbs
A4tech Www-21 43 Thumbs Down43Thumbs
A4tech Www-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 1509/1840 Users

Success Reported By 1241/1509 Users

Driver Download Score91/100

Driver Installation Score93/100

Overall preformance Score81/100

A4tech Www-21 1117 Thumbs Up1117Thumbs
A4tech Www-21 133 Thumbs Down133Thumbs
A4tech Www-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 Www-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 Www-21 + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing A4tech Www-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 Www-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 Www-21 disfunctions.

Scan performed on 4/26/2017, Computer: Dell Inspiron 3646

Outdated or Corrupted drivers:13/21

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) ICH8DH LPC Interface Controller - 2812Corrupted By A4tech Www-21
Mice And Touchpads
Microsoft Microsoft Comfort Mouse 3000 (Mouse and Keyboard Center)Corrupted By A4tech Www-21
A4Tech Compatible USB Port MouseCorrupted By A4tech Www-21
Microsoft Logitech First/Pilot Mouse+ (USB)Corrupted By A4tech Www-21
Usb Devices
Logitech Logitech Webcam C210Outdated
Sound Cards And Media Devices
AVerMedia AVerMedia A373 MiniCard Dual DVB-TCorrupted By A4tech Www-21
Network Cards
Intel(R) Dual Band Wireless-AC 3160Up To Date and Functioning
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
Intel(R) 8 Series/C220 Series 2 port Serial ATA Storage Controller - 8C08Corrupted By A4tech Www-21
Intel Intel(r) AIM External Flat Panel Driver 0Up To Date and Functioning
Datel Design & Development DSi AR HW ProgCorrupted By A4tech Www-21
Initio Initio Default ControllerCorrupted By A4tech Www-21
Microsoft Texas Instruments PCI-8x12/7x12/6x12 CardBus ControllerUp To Date and Functioning
Brother USB Printing SupportCorrupted By A4tech Www-21
Intel(R) 82801EB Ultra ATA Storage Controllers - 24D1Up To Date and Functioning
Cameras, Webcams And Scanners
Realtek Realtek USB2.0 PC CameraUp To Date and Functioning
Video Cards
Intel(R) 82945G Express Chipset Family (Microsoft Corporation - WDDM 1.0)Up To Date and Functioning
Input Devices
Microsoft HID-compliant system control deviceUp To Date and Functioning
Port Devices
MediaTek MediaTek PreLoader USB VCOM Port (COM51)Outdated
Sony Digital Flat Panel (1024x768)Outdated
Mobile Phones And Portable Devices
Acer NOKIACorrupted By A4tech Www-21

Scan performed on 4/26/2017, Computer: LG P510-U.CP29E

Outdated or Corrupted drivers:4/20

Device/DriverStatusStatus DescriptionUpdated By Scanner
Advanced Micro Devices ATI I/O Communications Processor SMBus-controllerUp To Date and Functioning
Mice And Touchpads
Microsoft HID-compliant mouseUp To Date and Functioning
Logitech Logitech iFeel Mouse (USB)Up To Date and Functioning
Usb Devices
Intel(R) USB 2.0-hubUp To Date and Functioning
Creative Labs NOMAD Jukebox Zen XtraUp To Date and Functioning
Microsoft Intel(R) 82801DB/DBM USB universell vertskontroller - 24C4Up To Date and Functioning
Sound Cards And Media Devices
Advanced Micro Devices AMD Radeon(TM) HD 6520GUp To Date and Functioning
Realtek Audioapparaat op de bus voor High Definition AudioCorrupted By A4tech Www-21
Network Cards
Realtek ASUS USB-N13 300Mbps 11n Wireless USB dongleCorrupted By A4tech Www-21
Microsoft HID KeyboardCorrupted By A4tech Www-21
Hard Disk Controller
NVIDIA NVIDIA NForce MCP2 IDE ControllerOutdated
Validity Sensors Validity Sensors (WBF) (PID=0018)Up To Date and Functioning
Intel Port racine express PCI Intel(R) 82801FB/FBM PCI -2662Up To Date and Functioning
Intel Intel(r) AIM External Flat Panel Driver 5Up To Date and Functioning
Cameras, Webcams And Scanners
Canon Canon MP495 serUp To Date and Functioning
Video Cards
Intel(R) HD GraphicsUp To Date and Functioning
Input Devices
KME USB-brugerstyret inputenhed (HID)Up To Date and Functioning
Port Devices
Huawei Vodafone Mobile Broadband Diagnostics Port (Huawei) (COM23)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 ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
A4tech Www-21 234410/21/201412/30/2016a4tech_www-21-2344.exe43kbLenovo ThinkCentre M91p, WIPRO WIV37455-1059, Sony VPCEL15EN, Sony VGN-SR28_Q, and more.
A4tech Www-21 31.1381.11/11/201512/27/2016a4tech_www-21-31.1381.1.exe193kbCompaq AU852AA-ABM CQ5216LA, Gateway TC73, Sony VPCF13NFX, HP KT435AA-AB3 IQ508d, IBYTE UDP GN ANDROS-I60L, Sony VGN-FS35LP, and more.
A4tech Www-21 1.11.1021.111/6/201412/30/2016a4tech_www-21-1.11.1021.1.exe204kbToshiba SATELLITE C850-12M, Lenovo ThinkPad T530, Compaq DB266A-AB1 6215KR KO910, NEC PC-MY30XEZE3, HP HDX9300, HP Presario V3000, Fujitsu Amilo A1665G Series, HP PX612AA-ABF t3024.f, IBM 8215VFZ, HP KX781AV-ABJ p6120jp, Gateway FX7026, NEC PC-VJ22GXNEHTXA, and more.
A4tech Www-21 206391/25/201512/29/2016led-20639.exe215kbCompaq VT590AA-ABM CQ2404LA, LG LG PC, Lenovo ThinkPad T510i, Toshiba SATELLITE L850-1KZ, HP C9700, HP P6772l, IBM IBM System x3200 M2 -[4367I6A, Acer Aspire 7740, and more.
A4tech Www-21 H2.123681/2/201512/29/2016a4tech_www-21-h2.12368.exe121kbHP ED758AA-ABS, LG R405-A, Sony SVE14115FBB, HP P6374A-ABG 720a, Fujitsu FMVF53BDWS, Fujitsu FMVLX50WD, HP PX662AA-AB9, and more.
A4tech Www-21 21.13372/28/201512/29/2016a4tech_www-21-21.1337.exe158kbNEC PC-LF7506D1FL, Packard Bell IMEDIA MC 5303, EMachines L4030, Fujitsu LifeBook T4310, Lenovo Lenovo G470, IBM 8184LG1, HP DT212A-ABU M487.UK, EDsys EPROI5120W7P, Gateway FX6800, and more.
A4tech Www-21 601.1962/17/201512/30/2016a4tech_www-21-601.196.exe179kbEMachines L4030, Sony VGN-A39GP, Lenovo MT-M5536-A82, HP HP Compaq nc8000, Acer V3-771, Sony VGN-AW220J, and more.
A4tech Www-21 N722.192.112/31/201412/27/2016opdvaiwk-n722.192.1.exe199kbNEC PC-VN470GS6R, Sony VGN-NS305D, HP KE485AA-UUZ, GIADA GIADA, Sony VGN-SZ76GN_B, HP CQ2800EEm, IBM System x3550 M3 -[7944PAA, and more.
A4tech Www-21 74072.19/14/201412/27/2016a4tech_www-21-74072.1.exe159kbSony VGN-FE770G, Lenovo 2689PHG, LG P1-J555R, IBM ThinkPad G40, HP DV6 - 3206AX, Fujitsu FMVL18B, HP HP Envy 6-1180ca, SIEMENS SIMATIC IPC647C PROFINET, IBM IBM System X3100 M4 -[2582B2A, Sony VGN-AW120D, Sony VGX-TP1L, and more.
A4tech Www-21 2200411/9/201412/28/2016a4tech_www-21-22004.exe68kbIBM 26486G1, Lenovo 6457WK5, Sony VPCF12YFX, IBM 2668G7U, SIEMENS SIMATIC IPC627C, T-Systems T-Systems PC P4PE, NEC PC-VJ25AAN6HJR9, and more.
A4tech Www-21 81.186911/22/201412/28/2016a4tech_www-21-81.1869.exe187kbHP 810-019eb, Lenovo 57125694, Compaq EC516AA-ABH SR1519NL NL530, Biostar TP55, HP HP EliteBook 2730p, Toshiba SATELLITE C850-A817, HP DW167A-ABF a425.f, and more.
A4tech Www-21 W71.12.12.1210/26/201412/29/2016a4tech_www-21-w71.12.12.12.exe95kbLenovo 7661ZRG, HP 520-1070uk, IBM ThinkPad X41 Tablet, Sony VPCCW2KGX, Sony VPCW21A7E, Lenovo IdeaPad S9e, Medion P861X, and more.
A4tech Www-21 H2.10632.112/16/201412/29/2016a4tech_www-21-h2.10632.1.exe210kbSony VGN-TZ37TN_B, HP HPE-430it, HP HP Compaq nc4010, LG N550-PE50K, Panasonic CF-S8HYEPDR, Panasonic CF-30KBPAX2M, Sony VPCF1390S, Toshiba SATELLITE C855-1U3, Fujitsu FMVNF50WWJ, HP 23-b340ef, HP P7-1012, Medion X781X/X782X, Lenovo ThinkPad X201 Tablet, and more.

Please Note: There are particular operating systems known to have problems with A4tech Www-21:
  • Windows 7 Professional
  • Windows 7 Enterprise (Microsoft Windows NT)
  • Windows Vista Home Premium
  • 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 Www-21 model.
Laptop A4tech Www-21Tablet A4tech Www-21Download A4tech Www-21Upgrade A4tech Www-21Update A4tech Www-212017 A4tech Www-21Free A4tech Www-21Data A4tech Www-21Info A4tech Www-21Help A4tech Www-21Guide A4tech Www-21Comments A4tech Www-21Windows 10 A4tech Www-21Vista A4tech Www-21Windows 7 A4tech Www-21Install A4tech Www-21