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12/3/2016 new driver models for direct download:552
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A4tech Ok-521 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for A4tech Ok-521
Certifications for A4tech Ok-521
5 stars for A4tech Ok-521 "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 12/3/2016 Updates

All drivers on semantic.gs are updated on daily basis.

However, a new version of A4tech Ok-521 might have been uploaded since our last site update.

A4tech Ok-521 Driver Download

Windows Compatibility for A4tech Ok-521 driver

A4tech Ok-521 Driver Details:

A4tech Ok-521 File Name: a4tech_ok-521.zip

A4tech Ok-521 Driver Version: 265P-eGNk

A4tech Ok-521 ZIP Size: 142.kb

Manufacturer: A4tech

A4tech Ok-521 was fully scanned at: 11/28/2016
Scan Status: driver download scanOK

A4tech Ok-521 special revision for: Windows 7 Starter 32 bit, Windows XP Media Center Edition 64 bit, Windows XP Media Center Edition 32 bit, Windows 7 Ultimate 64 bit, Windows XP Tablet PC Edition 64 bit, Windows XP Home Edition, for home desktops and laptops 64 bit, Windows XP 64-bit Edition 64 bit

A4tech Ok-521 Download Stats:

Driver Uploaded: 10/5/2016

Direct Downloads: 204
Most Recent Download: 12/1/2016
Managed Downloads: 1874
Most Recent Download: 12/1/2016
Download Mirrors: 5
Current Delay: 17 Seconds
Driver License: GPL

Direct Download Success Stats:

Reports Issued By 164/204 Users

Success Reported By 22/164 Users

Driver Download Score73/100

Driver Installation Score74/100

Overall preformance Score75/100

A4tech Ok-521 12 Thumbs Up12Thumbs
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A4tech Ok-521 2 Thumbs Down2Thumbs
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A4tech Ok-521 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 1755/1874 Users

Success Reported By 1462/1755 Users

Driver Download Score77/100

Driver Installation Score98/100

Overall preformance Score92/100

A4tech Ok-521 1433 Thumbs Up1433Thumbs
Up
A4tech Ok-521 89 Thumbs Down89Thumbs
Down
A4tech Ok-521 driver installation manager was reported as very satisfying by a large percentage of our reporters, so it is recommended to download and install.

DOWNLOAD OPTIONS:

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-521 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-521 + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing A4tech Ok-521, or the driver installation manager, take a few minutes to send us a report:
* Only registered users can upload a report.

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A4tech Ok-521 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-521 disfunctions.

Scan performed on 12/3/2016, Computer: Gigabyte 945GDS1

Outdated or Corrupted drivers:5/22

Device/DriverStatusStatus DescriptionUpdated By Scanner
Motherboards
Intel(R) 82801FB/FBM USB Universal Host Controller - 2659Outdated
Mice And Touchpads
Synaptics Synaptics SMBus TouchPadUp To Date and Functioning
Synaptics Mouse compatibile PS/2Up To Date and Functioning
Usb Devices
Microsoft Intel(R) 82801DB/DBM USB universeller Hostcontroller - 24C7Up To Date and Functioning
Microsoft AMD 756 PCI to USB Open Host ControllerUp To Date and Functioning
Hewlett-Packard Officejet 6300 series (DOT4USB)Outdated
Sound Cards And Media Devices
VIA VIA High Definition AudioUp To Date and Functioning
Intel Intel WiDi Audio DeviceUp To Date and Functioning
NVIDIA High Definition Audio DeviceCorrupted By A4tech Ok-521
Network Cards
ZyDAS TP-LINK Wireless USB AdapterUp To Date and Functioning
Keyboards
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
VIA VIA Bus Master IDE Controller - 0571Up To Date and Functioning
Others
Google Android ADB InterfaceUp To Date and Functioning
Datel Design & Development DSi AR HW ProgUp To Date and Functioning
Intel AIM 3.0 Part 01 Codec Driver CH-7009-A/CH-7011Up To Date and Functioning
Texas Instruments Dispositivo compatible con HIDUp To Date and Functioning
Cameras, Webcams And Scanners
Philips Philips SPC1030NC WebcamUp To Date and Functioning
Video Cards
VIA/S3G VIA/S3G UniChrome Pro IGPUp To Date and Functioning
Input Devices
Logitech USB Human Interface DeviceCorrupted By A4tech Ok-521
Port Devices
MediaTek DA USB VCOM Port (COM11)Up To Date and Functioning
Monitors
Sony Digital Flat Panel (1024x768)Outdated
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning

Scan performed on 12/3/2016, Computer: Sony VPCF11HGX

Outdated or Corrupted drivers:8/21

Device/DriverStatusStatus DescriptionUpdated By Scanner
Motherboards
NVIDIA NVIDIA nForce System ManagementUp To Date and Functioning
Mice And Touchpads
Microsoft Logitech USB WheelMouseUp To Date and Functioning
Logitech Logitech USB First/Pilot Mouse+Up To Date and Functioning
WheelMouse HID-compliant mouseUp To Date and Functioning
Usb Devices
Hewlett-Packard Officejet 6000 E609a SeriesCorrupted By A4tech Ok-521
Sound Cards And Media Devices
Analog Devices SoundMAX Integrated Digital AudioCorrupted By A4tech Ok-521
Network Cards
Buffalo BUFFALO WLI-UC-GNM Wireless LAN AdapterUp To Date and Functioning
Keyboards
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
Intel(R) ICH9R/DO/DH 6 Port SATA AHCI Controller - 2922Up To Date and Functioning
Others
Intel Intel(r) AIM External TV Encoder Driver 5Corrupted By A4tech Ok-521
Intel(R) Graphics Chipset (KCH) DriverUp To Date and Functioning
Intel Intel(r) AIM External Flat Panel Driver 3Up To Date and Functioning
Intel(R) Graphics Platform (SoftBIOS) DriverCorrupted By A4tech Ok-521
Motorola Android Composite ADB InterfaceCorrupted By A4tech Ok-521
ENE ENE CB1410 Cardbus ControllerUp To Date and Functioning
Cameras, Webcams And Scanners
EPSON EPSON Stylus CX6400Up To Date and Functioning
Video Cards
Intel Video ControllerUp To Date and Functioning
Input Devices
Sony Sony Firmware Extension Parser DeviceUp To Date and Functioning
Port Devices
hspa Modem Application4 port (COM7)Corrupted By A4tech Ok-521
Monitors
Sony Digital Flat Panel (1024x768)Corrupted By A4tech Ok-521
Mobile Phones And Portable Devices
Acer NOKIAOutdated
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
A4tech Ok-521 22.1710/16/201412/29/2015m-22.17.exe75kbIBM 622351U, QUANMAX ChiliGREEN X7, GOLDENTEC UDP NAXOS-G74L, Compaq P2800N P170X520WC25EC, Lanix LANIX TITAN 3050 VER3, HP KJ381AA-A2L m9260f, Intel SBD2B014, Sony SVF14N15CLB, Panasonic CF-52GCR42AG, LG R580-G.BP21P1, Sony VGC-JS92JS, Toshiba Dynabook TX/66GPKJ, and more.
A4tech Ok-521 2.1072810/19/201412/28/2015a4tech_ok-521-2.10728.exe93kbHP H9-1090ch, HP 700-015eg, Toshiba Dynabook EX/35LWH, Compaq PN124AA-ABU SR1219UK GB440, Lenovo ThinkPad X61 Tablet, IBM 842777G, IBM System x3200 M3 -[7327PAA, Packard Bell IMEDIA 8006, AnabelleB Argyle V240, Toshiba SATELLITE C870D-10D, Fujitsu FMVA42EWKS, Toshiba Dynabook Qosmio T750/T8BS, HP EP245AA-ABU m7385.uk, CS&S Zenet, TCL N700, and more.
A4tech Ok-521 Z401.1389/12/201412/29/2015a4tech_ok-521-z401.138.exe175kbSony VPCEH40EBW, IBM 62253J9, Panasonic CF-W7DWJQJR, EVGA E679 0.0, Sony VGN-NW235F, Lenovo ThinkStation D30, NEC PC-VY25AAZR7, IBM 2668G7U, Toshiba Satellite C850-B820, HP RP847AA-ABZ m7680.it, Sony VGN-TZ27FN, HP HP Pavilion TS 14 Notebook PC, Fujitsu FMV5NUBJH3, Sony VGX-X90P, Lenovo ThinkPad L412, HP HP Compaq nc6220, Lenovo 7659W29, Acer AS5732Z, HP HP ProBook 4530s, and more.
A4tech Ok-521 1.11.10869/19/201412/30/2015a4tech_ok-521-1.11.1086.exe65kbPanasonic CF-18KHHEBLL, HP HP Pavilion dv9500, Acer AcerPower 8000, HP ED713AA-ABF w5155.f, Acer Veriton X2631, Packard Bell OneTwo L3851, WIPRO WIV37455-0798, Sony VGX-TP1L, Clevo P15xEMx, Toshiba TECRA R10, HASEE U147, Intel C16, and more.
A4tech Ok-521 1.161.172/5/201512/30/2015a4tech_ok-521-1.161.17.exe197kbFujitsu FPC03080AL, Dell OptiPlex GX1 600L, Intel OLFV, Compaq KT580AA-A2L SR5548F, Fujitsu AMILO Li 2727, Acer A0A150, Toshiba Dynabook T350/36AB, Acer Veriton M200-Q57, HP PS225AA-ABE t835.es, Acer Acer 8935G, Fujitsu FMVL18B, MouseComputer Z68A-SD60, HP ER183AA-ABZ m7395.it, Compaq FJ403AA-AB9 SR5502PT, WIPRO WIV37455-1090, Toshiba Dynabook EX1/524CDE, Packard Bell IMEDIA J9004, Lenovo ThinkCentre E51, Sony VGC-RT150DY, and more.
A4tech Ok-521 320861/20/201512/27/2015a4tech_ok-521-32086.exe151kbFujitsu FMVNB75ST, Acer Aspire 1601M, Toshiba Satego P100, HP RX889AAR-ABA a6040, Lanix LANIX CORP 4080, NEC PC-GL24ES8DE, EMachines 98.Y2D7Z.CF0, HP H9-1187, Anhoch Goliath XD605, Intel LC-92T10, and more.
A4tech Ok-521 8961/12/201512/28/2015a4tech_ok-521-896.exe64kbHP HP PAVILION DV6000, Lenovo ThinkPad T520, Sony VGN-FW43G_B, NEC EASYNOTE PB47Q01806, IBM 9210M43, Packard Bell Easynote sb86, IBM 26486G1, NEC PC-LS150LS1KSG, Panasonic CF-SX1WEUHR, Packard Bell EasyNote TK36, Acer Aspire 182dPTZ, Lenovo IdeaPad S10-3s, IBM ThinkPad X41 Tablet, HP HDX9300, HP KP266AA-ABZ a6431.it, IBM 265244G, Sony VPC-M120AB, IBM 2658MJJ, Supermicro SYS-5017C-MF, and more.
A4tech Ok-521 X71.17421/11/201512/27/2015a4tech_ok-521-x71.1742.exe154kbHP Pavilion ze5600, Gateway Gateway M460, Sony SVP1322R4RBI, IBM 842777G, IBM 80847CG, Sony VGN-TZ330E, Sony VGN-AW25GJ_H, MSW GmbH & Co. KG Intel DP55WB, NEC PC-VL570AD, HP KY660AA-ABJ p6170jp, LG R480-L.AGC7BT, Packard Bell EasyNote_MX66, Acer TravelMate 8371, Samsung Q320/P320, Toshiba SATELLITE C850D-131, IBM 8123Q2B, ASUS W3A, and more.
A4tech Ok-521 31.12.1210/31/201412/27/2015a4tech_ok-521-31.12.12.exe182kbNEC PC-LL750GD1K, Sony VPCZ23M9E, HP PX568AA-ABY t3040.dk, Lenovo ThinkPad X1 Carbon, HP KT850AV-ABJ s3540jp, IBM 26478RG, Gigabyte GA-E7AUM-DS2H, Biostar TForce 550, HP KZ771AA-UUZ a6522.ch, LG RD405-A.CDT5A2, Panasonic CF-19KDRC66M, EMachines EL1332, Gateway P-6317 HSN, Foxconn A6GMV, HP HP Pavilion 11 x2 Notebook PC, LG E500-G.ABBTZ, IBM 6830TBG, Lenovo ThinkCentre M72z, and more.
A4tech Ok-521 42432.111/26/201412/30/2015a4tech_ok-521-42432.1.exe187kbIBM 8184W3Z, Packard Bell IPower J9000, HP HP ProBook 6445b, LG RD580-UAD18E, HP KN280AA-ABM s3410la, HP HP Compaq tc4400, HP RZ482AA-ABF m8090.f, Sony VPCEG26EG, HP HP Compaq nx6130, Sony SVE15138CGS, Toshiba Dynabook REGZA PC D731/T7DRS, IBM ThinkCentre M52, Compaq DD377A-ABX 6680 FI110, Gateway FX4710-UB802A, Sony VGN-NS10L_S, Compaq PX629AA-ABU SR1429UK GB520, and more.
A4tech Ok-521 81.130712/17/201412/30/2015a4tech_ok-521-81.1307.exe149kbECS HDC-I, AnabelleB Argyle M410, NEC PC-MY28VLZEDX8F, Matsonic MS9387E, HP 23-b232e, HP HP Compaq 6710b, LG E300-A.C4RRV, Lenovo ThinkPad SL500c, Lenovo 20B7S07L00, Sony VGN-FJ68SP_W, Biostar TP45 HP, Compaq DC477A-ABA S3100NX NA111, Toshiba Dynabook R732/E25HR, Lenovo 6069W1R, Lenovo ThinkPad L412, HP Pavilion dv4000, Acer Dalle, BenQ Joybook P51, and more.
A4tech Ok-521 1.11.12222/21/201512/29/2015a4tech_ok-521-1.11.1222.exe43kbFujitsu FMVA42EWKS, Toshiba Dynabook Qosmio T750/T8BS, HP EP245AA-ABU m7385.uk, CS&S Zenet, TCL N700, Sony VGN-FW12G_W, Transource Computer Systems, HP KB010AA-AKB a6330.cs, MouseComputer Z68A-SD60, NEC PC-MK31MEZCE, Fujitsu FMVNB16C, Advent DT2, HP P6-2463eo, HP RK570AAR-ABA m7760, Lenovo ThinkPad Edge E420, Acer Extensa 2900E, Lenovo 1S1680036940055, HP HP compaq nx4820, and more.
A4tech Ok-521 1.122.142.111/18/201412/28/2015rvom-1.122.142.1.exe202kbIBM Eserver xSeries 335 -[8676LSX, Lenovo 7355W1J, HP KN280AA-ABM s3410la, FIC ATM-Q45G, Sony VGN-SR36GN_B, Compaq NP291AA-AB2 SR5837CX, Toshiba Dynabook SS RX2/T9J, HP VT626AA-AB1 HPE-170k, NEC PC-LL3508D, IBM ThinkCentre M52, Medion X781X/X782X, Acer Aspire 3810TZG, Packard Bell ISTART MC 9100 AIO EU, Sony VGN-TZ33_B, Sony VGN-BX94PS, HP HP Compaq 6000 Pro MT PC, Gigabyte P35-S3, and more.


Please Note: There are particular operating systems known to have problems with A4tech Ok-521:
  • Windows XP 64-bit Edition
  • Windows 7 Ultimate
  • Windows XP Media Center Edition
  • Windows Vista Enterprise (Microsoft Windows NT 6.0.6000.0)
  • Windows XP Starter Edition
  • Windows Vista Home Premium
  • Windows XP Tablet PC Edition
  • Windows XP Media Center Edition
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific A4tech Ok-521 model.
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