6/23/2018 +935 new drivers.
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 7/18/2016
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 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: 6/18/2018
Scan Status: driver download scanOK

A4tech Www-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 10 S 32bit, Windows 7 Ultimate 64bit, Windows 10 IoT 64bit, Windows 8 64bit, Windows Vista Home Premium 32bit, Windows Vista Starter 32bit, Windows Vista Enterprise (Microsoft Windows NT 6.0.6000.0) 64bit, Windows RT 64bit, Windows 7 Starter 64bit, Windows 10 Enterprise 32bit, Windows 7 Home Premium 32bit, Windows 10 32bit, Windows 7 Professional 64bit,

A4tech Www-21 Download Stats:

Driver Uploaded: 3/19/2018

Direct Downloads: 1431
Most Recent Download: 4/24/2018
Managed Downloads: 1846
Most Recent Download: 4/24/2018
Download Mirrors: 2
Current Delay: 19 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 1506/1846 Users

Success Reported By 1246/1506 Users

Driver Download Score91/100

Driver Installation Score93/100

Overall preformance Score81/100

A4tech Www-21 1122 Thumbs Up1122Thumbs
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: Lenovo ThinkPad X201 Tablet - Windows 7 64 bit

Outdated or Corrupted drivers:10/22

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) 82801EB USB2 erweiterter Hostcontroller - 24DDCorrupted By A4tech Www-21
Mice And Touchpads
Sentelic Finger Sensing PadUp To Date and Functioning
Alps Alps Pointing-deviceUp To Date and Functioning
Usb Devices
M-Audio M-Audio MIDISPORT Uno / 1x1 LoaderUp To Date and Functioning
Sound Cards And Media Devices
ASUSTek ASUSTeK TV7134 BDA Video CaptureCorrupted By A4tech Www-21
Broadcom Audio BluetoothUp To Date and Functioning
NVIDIA NVIDIA GeForce GT 555MCorrupted By A4tech Www-21
Network Cards
Intel(R) 82579LM Gigabit Network ConnectionUp To Date and Functioning
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
USB Compliance Kyocera HSUSB DeviceCorrupted By A4tech Www-21
Microsoft Texas Instruments PCI-8x12/7x12/6x12 CardBus ControllerUp To Date and Functioning
Nokia S60 HandsetOutdated
ULi Intel(R) 82801DB/DBM USB 2.0 Enhanced Host Controller - 24CDUp To Date and Functioning
Intel Intel(r) AIM External TV Encoder Driver 4Outdated
Nokia Nokia E52 USB PhonetUp To Date and Functioning
Creaform NEC OHCI Compliant IEEE 1394 Host ControllerUp To Date and Functioning
Cameras, Webcams And Scanners
Canon Canon MG5300 seriesCorrupted By A4tech Www-21
Video Cards
NVIDIA NVIDIA GeForce4 MX 440Up To Date and Functioning
Input Devices
Logitech Logitech Wheel Mouse (USB)Corrupted By A4tech Www-21
Port Devices
Prolific Prolific USB-to-Serial Bridge (COM6)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Corrupted By A4tech Www-21
Mobile Phones And Portable Devices
Acer NOKIAOutdated

Scan performed on 4/24/2018, Computer: HP CQ2803EDm - Windows 7 32 bit

Outdated or Corrupted drivers:6/19

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) 5 Series/3400 Series Chipset Family USB Universal Host Controller - 3B3EUp To Date and Functioning
Mice And Touchpads
Wacom Wacom MouseCorrupted By A4tech Www-21
Usb Devices
Hewlett-Packard Deskjet F300 series (DOT4USB)Up To Date and Functioning
Sound Cards And Media Devices
Microsoft Cinema - Microsoft LifeCam.Up To Date and Functioning
DisplayLink Lenovo USB AudioCorrupted By A4tech Www-21
Network Cards
Ralink Ralink RT5390R 802.11bgn Wi-Fi AdapterOutdated
Microsoft HID KeyboardCorrupted By A4tech Www-21
Hard Disk Controller
Intel Intel(r) 82801DB Ultra ATA-Speichercontroller-24CBUp To Date and Functioning
Texas Instruments Texas Instruments PCIxx21 Integrated FlashMedia ControllerOutdated
Creaform NEC OHCI Compliant IEEE 1394 Host ControllerUp To Date and Functioning
Microsoft SDA Standard Compliant SD Host ControllerOutdated
Intel AIM 3.0 Part 01 Codec Driver CH-7009-A/CH-7011Up To Date and Functioning
Nokia Nokia C6-00 USB Phone ParentUp To Date and Functioning
Cameras, Webcams And Scanners
Canon Canon MP600RUp 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
hspa Modem Application1 port (COM4)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 ModelOSOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
A4tech Www-21 2344For Windows 7 32 bit10/21/201412/30/2016all_drivers-2344.exe43kbLenovo ThinkCentre M91p, WIPRO WIV37455-1059, Sony VPCEL15EN, Sony VGN-SR28_Q, and more.
A4tech Www-21 31.1381.1For Windows 7 64 bit1/11/201512/27/2016all_drivers-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 1.11.1021.1For Windows 711/6/201412/30/2016all_drivers-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 20639For Windows 101/25/201512/29/2016led-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 H2.12368For Windows 10 64 bit1/2/201512/29/2016all_drivers-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 21.1337For Windows 7 32 bit2/28/201512/29/2016all_drivers-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-21 601.196For Windows 7 64 bit2/17/201512/30/2016all_drivers-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 N722.192.1For Windows 712/31/201412/27/2016opdvaiwk-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 74072.1For Windows 109/14/201412/27/2016all_drivers-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 22004For Windows 10 64 bit11/9/201412/28/2016all_drivers-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 81.1869For Windows 811/22/201412/28/2016all_drivers-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 W71.12.12.12For Windows 7 32 bit10/26/201412/29/2016all_drivers-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 H2.10632.1For Windows 7 64 bit12/16/201412/29/2016all_drivers-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 10 IoT
  • Windows 10 S
  • Windows 8 Enterprise
  • 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 Www-21 model.
Laptop A4tech Www-21Tablet A4tech Www-21Download A4tech Www-21Upgrade A4tech Www-21Update A4tech Www-212018 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