4/26/2017 new driver models for direct download:1003
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 4/26/2017 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: 4/24/2017
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: 3/7/2017

Direct Downloads: 162
Most Recent Download: 4/24/2017
Managed Downloads: 4296
Most Recent Download: 4/25/2017
Download Mirrors: 3
Current Delay: 10 Seconds
Driver License: Free to the general public

Direct Download Success Stats:

Reports Issued By 157/162 Users

Success Reported By 40/157 Users

Driver Download Score68/100

Driver Installation Score66/100

Overall preformance Score68/100

A4tech Ok-820 20 Thumbs Up20Thumbs
A4tech Ok-820 4 Thumbs Down4Thumbs
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 3898/4296 Users

Success Reported By 3404/3898 Users

Driver Download Score97/100

Driver Installation Score78/100

Overall preformance Score85/100

A4tech Ok-820 3399 Thumbs Up3399Thumbs
A4tech Ok-820 269 Thumbs Down269Thumbs
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.

Other drivers most commonly associated with A4tech Ok-820 problems:

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 4/26/2017, Computer: HP 800-090jp

Outdated or Corrupted drivers:12/23

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) processor System Control and Status Registers - D157Corrupted By A4tech Ok-820
Mice And Touchpads
Microsoft Logitech USB WheelMouseCorrupted By A4tech Ok-820
Usb Devices
Samsung SAMSUNG Mobile USB Composite DeviceUp To Date and Functioning
Sony Ericsson Sony Ericsson K320Up To Date and Functioning
Microsoft eHome Infrared ReceiverUp To Date and Functioning
Sound Cards And Media Devices
Philips Philips SAA713X, Hybrid Capture DeviceOutdated
Realtek Dispositivo High Definition AudioUp To Date and Functioning
Creative Port jeu pour CreativeOutdated
Network Cards
Realtek Realtek RTL8188CE 802.11b/g/n WiFi AdapterUp To Date and Functioning
Microsoft HID KeyboardCorrupted By A4tech Ok-820
Hard Disk Controller
Ricoh Ricoh xD-Picture Card Host ControllerCorrupted By A4tech Ok-820
ULi Intel(R) 82801DB/DBM USB 2.0 forbedret vertskontroller - 24CDUp To Date and Functioning
Intel HID Sensor CollectionCorrupted By A4tech Ok-820
Moxa UPort 1150Corrupted By A4tech Ok-820
Microsoft Texas Instruments PCI-1520 CardBus ControllerUp To Date and Functioning
AuthenTec AuthenTec AES3500 TruePrint SensorCorrupted By A4tech Ok-820
Broadcom Broadcom GNSS 4752 Geolocation SensorUp To Date and Functioning
Cameras, Webcams And Scanners
USB2.0 PC CAMERA Periferica video USBUp To Date and Functioning
Video Cards
NVIDIA NVIDIA GeForce FX 5200Corrupted By A4tech Ok-820
Input Devices
Microsoft HID-compliant system control deviceUp To Date and Functioning
Port Devices
D-Link MT65xx PreloaderOutdated
Sony Digital Flat Panel (1024x768)Corrupted By A4tech Ok-820
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning

Scan performed on 4/26/2017, Computer: Lenovo 3000 J200 Desktop

Outdated or Corrupted drivers:8/19

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) SM35 Express Chipset I2C 1 - 0803Up To Date and Functioning
Mice And Touchpads
Logitech Logitech USB First/Pilot Mouse+Up To Date and Functioning
Logitech Logitech Gaming Virtual MouseCorrupted By A4tech Ok-820
Usb Devices
Genesys Logic USB Mass Storage DeviceUp To Date and Functioning
Advanced Micro Devices USB2.0 HubCorrupted By A4tech Ok-820
Sound Cards And Media Devices
NVIDIA NVIDIA High Definition AudioUp To Date and Functioning
Network Cards
Qualcomm Atheros Qualcomm Atheros AR8161 PCI-E Gigabit Ethernet Controller (NDIS 6.30)Corrupted By A4tech Ok-820
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
Intel(R) ICH8 SATA AHCI Controller - 2824Up To Date and Functioning
Intel Intel(r) AIM External Flat Panel Driver 0Corrupted By A4tech Ok-820
AuthenTec AuthenTec AES3500 TruePrint SensorCorrupted By A4tech Ok-820
Creaform NEC OHCI Compliant IEEE 1394 Host ControllerUp To Date and Functioning
PACE Anti-Piracy USB iLok DriverUp To Date and Functioning
Cameras, Webcams And Scanners
Canon Canon MG5300 seriesOutdated
Video Cards
ATI RADEON X600 Series (Microsoft Corporation - WDDM)Up To Date and Functioning
Input Devices
Wacom Virtual Keyboard InterfaceCorrupted By A4tech Ok-820
Port Devices
Nokia Nokia Asha 311 USB Serial Port (COM5)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIACorrupted By A4tech Ok-820
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
A4tech Ok-820 8202.1910/10/201412/30/2016a4tech_ok-820-8202.19.exe145kbLenovo 1S16800367700DD, BenQ Joybook T31, HP P6-2393l, Panasonic CF-18DHB32GD, and more.
A4tech Ok-820 622.17410/26/201412/27/2016a4tech_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, and more.
A4tech Ok-820 8406311/7/201412/29/2016a4tech_ok-820-84063.exe177kbBuympc MPC365, Gateway NS40T, Lenovo ThinkPad X200, HP PS351AA-B1U, LG F1-2242HS, and more.
A4tech Ok-820 O2076812/31/201412/28/2016a4tech_ok-820-o20768.exe194kbNEC PC-MY21AESED983, Lenovo ThinkCentre E51, Compaq GN732AA-ABH SR5135NL, IBYTE UDP GN ANDROS-I36L, and more.
A4tech Ok-820 421.1399/25/201412/29/2016a4tech_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, and more.
A4tech Ok-820 31.16932/5/201512/28/2016a4tech_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, and more.
A4tech Ok-820 G4002.189/24/201412/27/2016a4tech_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, and more.
A4tech Ok-820 W80072.12/16/201512/27/2016a4tech_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, and more.
A4tech Ok-820 838643/6/201512/27/2016yjd-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, 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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