12/5/2016 new driver models for direct download:1146
A4tech Ok-820 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for A4tech Ok-820
Certifications for A4tech Ok-820
5 stars for A4tech Ok-820 "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 12/5/2016 Updates

All drivers on are updated on daily basis.

However, a new version of A4tech Ok-820 might have been uploaded since our last site update.

A4tech Ok-820 Driver Download

Windows Compatibility for A4tech Ok-820 driver

A4tech Ok-820 Driver Details:

A4tech Ok-820 File Name:

A4tech Ok-820 Driver Version: 68Dy

A4tech Ok-820 ZIP Size: 126.kb

Manufacturer: A4tech

A4tech Ok-820 was fully scanned at: 12/3/2016
Scan Status: driver download scanOK

A4tech Ok-820 special revision for: Windows XP 64-bit Edition 32 bit, Windows XP Tablet PC Edition 32 bit, Windows Vista Home Premium 32 bit, Windows XP Professional x64 Edition 64 bit, Windows 7 Professional 64 bit, Windows XP Media Center Edition 32 bit, Windows Vista Business 64 bit

A4tech Ok-820 Download Stats:

Driver Uploaded: 12/3/2016

Direct Downloads: 126
Most Recent Download: 12/3/2016
Managed Downloads: 3302
Most Recent Download: 12/4/2016
Download Mirrors: 3
Current Delay: 9 Seconds
Driver License: Free to the general public

Direct Download Success Stats:

Reports Issued By 119/126 Users

Success Reported By 20/119 Users

Driver Download Score68/100

Driver Installation Score66/100

Overall preformance Score68/100

A4tech Ok-820 8 Thumbs Up8Thumbs
A4tech Ok-820 1 Thumbs Down1Thumbs
A4tech Ok-820 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 3152/3302 Users

Success Reported By 2882/3152 Users

Driver Download Score97/100

Driver Installation Score78/100

Overall preformance Score85/100

A4tech Ok-820 2693 Thumbs Up2693Thumbs
A4tech Ok-820 30 Thumbs Down30Thumbs
A4tech Ok-820 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 Ok-820 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 Ok-820 + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing A4tech Ok-820, 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 Ok-820 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 Ok-820 disfunctions.

Scan performed on 12/5/2016, Computer: Panasonic CF-SX1WEVHR

Outdated or Corrupted drivers:10/22

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel Controladora de host universal USB Intel (R) 82801 FB/FBM - 265BUp To Date and Functioning
Mice And Touchpads
ELAN PS/2 Compatible MouseCorrupted By A4tech Ok-820
A4Tech A4Tech USB Port MouseUp To Date and Functioning
Usb Devices
Kyocera SANYO USB ModemUp To Date and Functioning
Samsung Samsung Android USB DeviceCorrupted By A4tech Ok-820
Microsoft NEC PCI to USB Enhanced Host Controller (B1)Up To Date and Functioning
Sound Cards And Media Devices
YUAN High-Tech Development Multimedia Video ControllerOutdated
Network Cards
Intel Ethernet ControllerOutdated
Microsoft Keyboard Device FilterOutdated
Hard Disk Controller
SiS SiS Bus Master IDE ControllerOutdated
UPEK TouchChip Fingerprint CoprocessorUp To Date and Functioning
Garmin Garmin USB GPSUp To Date and Functioning
SMSC SMSC Fast Infrared DriverUp To Date and Functioning
Microsoft SDA Standard Compliant SD Host ControllerUp To Date and Functioning
Microsoft Texas Instruments PCI-1520 CardBus ControllerCorrupted By A4tech Ok-820
PACE Anti-Piracy USB iLok DriverCorrupted By A4tech Ok-820
Cameras, Webcams And Scanners
Canon Canon MP560 serUp To Date and Functioning
Video Cards
ATI ATI Technologies, Inc. 3D RAGE PRO AGP 2XCorrupted By A4tech Ok-820
Input Devices
Lenovo ThinkPad USB Travel Mouse (HID)Up To Date and Functioning
Port Devices
ONDA ONDA USB Enumerator For AT DeviceOutdated
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning

Scan performed on 12/5/2016, Computer: HP P6786l

Outdated or Corrupted drivers:6/19

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) Xeon(R) E5 v2/Core i7 QPI Ring Performance Ring Monitoring - 0E36Corrupted By A4tech Ok-820
Mice And Touchpads
Microsoft Logitech First/Pilot Mouse+ (USB)Up To Date and Functioning
Usb Devices
Microsoft Standard OpenHCD USB Host-controllerCorrupted By A4tech Ok-820
Magic Control USB Display Device (T1P)Up To Date and Functioning
Magic Control MCT USB3.0 External Graphics DeviceUp To Date and Functioning
Sound Cards And Media Devices
NVIDIA NVIDIA GeForce GTX 570Outdated
Network Cards
Qualcomm Atheros Qualcomm Atheros AR9285 802.11b/g/n WiFi AdapterUp To Date and Functioning
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
Intel(R) 5 Series 6 Port SATA AHCI ControllerUp To Date and Functioning
Intel(R) Graphics Platform (SoftBIOS) DriverCorrupted By A4tech Ok-820
Texas Instruments Mass Storage ControllerCorrupted By A4tech Ok-820
Nokia Nokia 5230 USB PhonetUp To Date and Functioning
AuthenTec Biometric CoprocessorUp To Date and Functioning
Cameras, Webcams And Scanners
USB2.0 PC CAMERA Periferica video USBUp To Date and Functioning
Video Cards
Intel(R) HD GraphicsCorrupted By A4tech Ok-820
Input Devices
Microsoft HID-compliant consumer control deviceUp 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 Ok-820 8202.1910/10/201412/30/2015a4tech_ok-820-8202.19.exe145kbLenovo 1S16800367700DD, BenQ Joybook T31, HP P6-2393l, Panasonic CF-18DHB32GD, Northern Micro P9X79-IN, HP HPE-367c, NEC PC-LL750RG1B, Compaq Presario 5471EA 470030-395, LG R1-CUP1E1, Toshiba Dynabook Qosmio D710/T5BB, and more.
A4tech Ok-820 622.17410/26/201412/27/2015a4tech_ok-820-622.174.exe90kbNEC PC-VK26MDZCE, Toshiba Satellite 2455, NEC PC-VK26MDZCE, Sony VGN-SZ13GP_B, HP RX881AA-ABA m8000, Sony VGN-CR510D, Packard Bell EasyNote TM01, Packard Bell IXTREME 6516, Sony PCG-K215S, Fujitsu D2812-A1, HP HP Compaq nc6400, HP WC702AA-UUG HPE-130be, Toshiba Dynabook EX/66MWHS, LG C400-G.BC25P1, Compaq FJ469AA-ABM SG3308LA, Lenovo ThinkPad L430, HP P7-1031, Sony VGN-TZ47FN, HP A0316001, and more.
A4tech Ok-820 8406311/7/201412/29/2015a4tech_ok-820-84063.exe177kbBuympc MPC365, Gateway NS40T, Lenovo ThinkPad X200, HP PS351AA-B1U, LG F1-2242HS, IBM 2668G7U, Acer TravelMate P455, EMachines EL1352, HP GG662AA-ABD, HP Pavilion ze5600, Sony PCG-TR3_B, and more.
A4tech Ok-820 O2076812/31/201412/28/2015a4tech_ok-820-o20768.exe194kbNEC PC-MY21AESED983, Lenovo ThinkCentre E51, Compaq GN732AA-ABH SR5135NL, IBYTE UDP GN ANDROS-I36L, Sony VGN-TZ17TN_N, NEC PC-LL700ED, HP 310-1210es, IBM 2724JU1, Fujitsu AMILO Li 2735, LG R460-K.ABLGL, and more.
A4tech Ok-820 421.1399/25/201412/29/2015a4tech_ok-820-421.139.exe78kbLG R510-K.A275K, NEC PC-LL700BS6R, Gateway P-6318u HSN, Fujitsu FMVCE80T7, Lenovo ThinkCentre A60, Gigabyte EP41-US3L, Avermedia 3150, IBM 808735M, HP HP Compaq nx6325, HP CQ2800EEm, Gateway NX200X, BYON CHAMELEON, Sony VGNSR499PCB, HP HP Compaq nx6130, Packard Bell EASYNOTE_MX52-B-070, Medion E5217, Lenovo ThinkCentre A57, HP P7-1102, Acer Predator G5900, and more.
A4tech Ok-820 31.16932/5/201512/28/2015a4tech_ok-820-31.1693.exe211kbWIPRO WIV37455-0863, Sony SVE11139CJB, HP P9867A-ABM 743M, HP PY056AA-ABF w5077.f, HP PX688AA-B14, HP VT626AA-AB1 HPE-170k, LG P1-J555R, NEC PC-VY16AEDAMFL2, Sony 9906733-3100574, Compaq GS255AV-AB4 SR5211CF, Toshiba Dynabook CX/45H, HP HP Compaq nx7300, and more.
A4tech Ok-820 G4002.189/24/201412/27/2015a4tech_ok-820-g4002.18.exe22kbFujitsu FMVNB75ST, Gateway GM5688E, MAXDATA PLATINUM 100 I M5, Panasonic CF-SX2KEMDP, WIPRO WNBOBM4930-EK-0015, ASUS F6Ve, Lenovo 20AY001DMD, Sony VGN-FW56E, Gigabyte X58A-OC, Fujitsu FMVXN0X81, HP NH836AV-ABA m9500z, MAXDATA ECO4700IW, Fujitsu CELSIUS W380, OEGStone CS-B, IBM 8189WB2, IBM IBM eServer 206m -[848510U, IBM 2673CXG, and more.
A4tech Ok-820 W80072.12/16/201512/27/2015a4tech_ok-820-w80072.1.exe134kbLenovo SS09221149, HP S5-1310t, Sony VGN-NS130AE, Compaq GM442AA-ABA SR5125CL, NEC PC-VY21MED5HJW6, EMachines 3265IT, HP PL494AA-ABH, NEC PC-MK34HEZEH, HP NY545AAR-ABA p6210y, Sony VGN-SZ6RXN_C, IBM ThinkPad A30, Crea NW SERIES, ASUS VX5, Panasonic CF-W2FW1AXS, Gateway GT4228m, Sony VGN-A270, Gateway FX4710-UB802A, Gigabyte P35-S3G, and more.
A4tech Ok-820 838643/6/201512/27/2015yjd-83864.exe150kbSony VGN-SZ55B_B, WIPRO WSG37425V-0038, LG E500-G.ABBTZ, HP HP Pavilion dv9600 Notebook PC, Sony VPCW12M1E, Panasonic CF-72TCJWZPM, Fujitsu FMVNP2HT3A, HP NF566AA-ABU, HP KT316AA-ABE, NEC PC-MA30YMZEB, Fujitsu MS-6318, HP EJ210AA-ABS, Medion X781X/X782X, HP HP Compaq 6735s, MouseComputer H81H3-D, IBM 8184RUM, Creative AIO1900 Series, and more.
A4tech Ok-820 2.1241.11.11/23/201512/30/2015a4tech_ok-820-2.1241.11.1.exe82kbLenovo 20B00006UK, Sony VGN-FW190CU, HP NQ867AA-UUZ m9650ch, LG R490-K.ARCRE1, Dimotion LF13Z0077396, HP DF179A-ABZ a130, Packard Bell IMEDIA X5609 BE, HP DW225A-ABE, Gateway M250B, Toshiba SATELLITE C850D-131, HP LX909ES#ABZ, Packard Bell OneTwo L3851, and more.
A4tech Ok-820 1.133389/6/201412/29/2015a4tech_ok-820-1.13338.exe44kbASUS ET2400IGTS-H61, Sony VPCZ130GB, IBM System x3200 M3 -[7328AC1, Sony VPCCW2KGX, HP RR518AA-ABH S7730, Acer Aspire 7740, IBM 26523CU, Sony VPCCW2KGX, NEC PC-MY21AEZR3, Compaq PW505AA-ABA SR1410NX NA520, ASUS ET2400IGTS-H61, HP D7223D-ABA A530E, Toshiba SATELLITE C855-12Z, and more.

Please Note: There are particular operating systems known to have problems with A4tech Ok-820:
  • Windows 7 Home Premium
  • Windows Vista Ultimate
  • Windows XP Starter Edition
  • Windows 8 Enterprise
  • Windows XP Tablet PC Edition
  • Windows XP Media Center Edition
  • Windows XP Media Center Edition 2003
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific A4tech Ok-820 model.
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