4/30/2017 new driver models for direct download:514
A4tech Nb-20d 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for A4tech Nb-20d
Certifications for A4tech Nb-20d
5 stars for A4tech Nb-20d "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 4/30/2017 Updates

All drivers on are updated on daily basis.

However, a new version of A4tech Nb-20d might have been uploaded since our last site update.

A4tech Nb-20d Driver Download

Windows Compatibility for A4tech Nb-20d driver

A4tech Nb-20d Driver Details:

A4tech Nb-20d File Name:

A4tech Nb-20d Driver Version: 609NrA0

A4tech Nb-20d ZIP Size: 124.kb

Manufacturer: A4tech

A4tech Nb-20d was fully scanned at: 4/26/2017
Scan Status: driver download scanOK

A4tech Nb-20d special revision for: Windows 10 32 bit, Windows Vista Home Premium 64 bit, Windows XP Home Edition, for home desktops and laptops 64 bit, Windows 8 Enterprise 64 bit, Windows XP Home Edition N 32 bit, Windows 7 Starter 32 bit, Windows 8 32 bit, Windows 7 Professional 64 bit, Windows XP Media Center Edition 2004 32 bit, Windows XP 64-bit Edition 64 bit, Windows 7 Home Basic 64 bit, Windows XP Media Center Edition 32 bit

A4tech Nb-20d Download Stats:

Driver Uploaded: 2/24/2017

Direct Downloads: 1080
Most Recent Download: 4/28/2017
Managed Downloads: 3706
Most Recent Download: 4/28/2017
Download Mirrors: 2
Current Delay: 26 Seconds
Driver License: FS {free software}

Direct Download Success Stats:

Reports Issued By 1041/1080 Users

Success Reported By 105/1041 Users

Driver Download Score75/100

Driver Installation Score69/100

Overall preformance Score64/100

A4tech Nb-20d 11 Thumbs Up11Thumbs
A4tech Nb-20d 2 Thumbs Down2Thumbs
A4tech Nb-20d 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 2894/3706 Users

Success Reported By 2198/2894 Users

Driver Download Score76/100

Driver Installation Score93/100

Overall preformance Score89/100

A4tech Nb-20d 2143 Thumbs Up2143Thumbs
A4tech Nb-20d 13 Thumbs Down13Thumbs
A4tech Nb-20d 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 Nb-20d 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 Nb-20d + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing A4tech Nb-20d, or the driver installation manager, take a few minutes to send us a report:
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Other drivers most commonly associated with A4tech Nb-20d problems:

A4tech Nb-20d 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 Nb-20d disfunctions.

Scan performed on 4/30/2017, Computer: Gateway GT4228m

Outdated or Corrupted drivers:6/18

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) 82852/82855 GM/GME to Processor I/O Controller - 3580Corrupted By A4tech Nb-20d
Mice And Touchpads
Wacom Wacom Router MouseUp To Date and Functioning
Usb Devices
Hewlett-Packard HP LaserJet M1522nf MFP FaxUp To Date and Functioning
Sound Cards And Media Devices
NVIDIA NVIDIA GeForce GT 555MUp To Date and Functioning
Realtek ATI HDMI AudioUp To Date and Functioning
Network Cards
Intel(R) Centrino(R) Advanced-N 6250 AGNCorrupted By A4tech Nb-20d
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
Intel(R) 5 Series/3400 Series SATA AHCI ControllerCorrupted By A4tech Nb-20d
UPEK TouchChip Fingerprint CoprocessorUp To Date and Functioning
Nokia S60 HandsetUp To Date and Functioning
Hewlett-Packard psc 1200 (DOT4)Up To Date and Functioning
Texas Instruments Texas Instruments PCI-4520 CardBus ControllerUp To Date and Functioning
Cameras, Webcams And Scanners
USB2.0 PC CAMERA Periferica video USBUp To Date and Functioning
Video Cards
NVIDIA NVIDIA GeForce4 MX 440Outdated
Input Devices
Microsoft Microsoft Hardware USB KeyboardUp To Date and Functioning
Port Devices
ONDA ONDA USB Enumerator For AT DeviceUp To Date and Functioning
Sony Digital Flat Panel (1024x768)Outdated
Mobile Phones And Portable Devices
Acer NOKIAOutdated

Scan performed on 4/30/2017, Computer: Toshiba Dynabook SS LX/190DK

Outdated or Corrupted drivers:9/22

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel Standard universell PCI til USB-vertskontrollerUp To Date and Functioning
Mice And Touchpads
WheelMouse USB Advanced Wheel MouseOutdated
Usb Devices
Thrustmaster Thrustmaster HOTAS Cougar (OUT)Up To Date and Functioning
Intel(R) USB 3.0 HubCorrupted By A4tech Nb-20d
Sound Cards And Media Devices
Pixela Sony Digital TV TunerCorrupted By A4tech Nb-20d
Creative Creative SB Audigy 2 ZS (WDM)Corrupted By A4tech Nb-20d
ASUSTek ASUSTeK TV7134 BDA Video CaptureUp To Date and Functioning
Network Cards
Samsung Remote NDIS based Internet Sharing DeviceCorrupted By A4tech Nb-20d
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
Winbond Sony Memory Stick controller(WB)Corrupted By A4tech Nb-20d
Broadcom Broadcom Bluetooth 4.0Corrupted By A4tech Nb-20d
Broadcom ThinkPad Bluetooth 4.0Up To Date and Functioning
Nokia Nokia C6-00 USB Phone ParentUp To Date and Functioning
NVIDIA Other PCI Bridge DeviceUp To Date and Functioning
Microsoft SDA Standard Compliant SD Host ControllerUp To Date and Functioning
Google USB Composite DeviceUp To Date and Functioning
Cameras, Webcams And Scanners
Sonix USB Video DeviceUp To Date and Functioning
Video Cards
Intel(R) HD Graphics 4000Corrupted By A4tech Nb-20d
Input Devices
Lenovo Lenovo 800dpi ScrollPoint Optical (HID)Up To Date and Functioning
Port Devices
Sony Ericsson Sony Ericsson 750 USB WMC Device Management (COM7)Outdated
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 Nb-20d G842.13/2/201512/29/2016a4tech_nb-20d-g842.1.exe186kbGateway MX6422, Toshiba Satellite Pro 6100, Lenovo 20131, Fujitsu FMVWMS157T, Toshiba Dynabook T451/59DB, Intel IntelDQ965GF, Gateway E-155CG, Dell Precision WorkStation 420 MT, Acer AOA150p/BGW, Medion E3211, HP PX635AA-ABU, and more.
A4tech Nb-20d P31.184712/4/201412/27/2016a4tech_nb-20d-p31.1847.exe214kbHP HP Pavilion 0 Notebook PC, HP PN113AA-ABF t790.f, HP RT586AA-ABU, Supermicro P8SCT, HP HP Compaq nx7300, Compaq EP103AA-ABU SR1709UK GB610, Sony VGN-Z90NS, HP HP nx9010, Gateway DX442S, Sony VGC-JS92JS, Packard Bell SPIRIT 4054, and more.
A4tech Nb-20d 4382010/18/201412/28/2016a4tech_nb-20d-43820.exe113kbDell Vostro 5470, ASUS N53Jf, HP GX592AA-UUZ, Sony VGN-FS115ZR, Gigabyte Z97X-UD5H, Gigabyte G41MT-D3PT, IBYTE UDP GN ANDROS-I60L, Viglen VIG615M, and more.
A4tech Nb-20d 732.1331/11/201512/30/2016a4tech_nb-20d-732.133.exe219kbHP WC694AA-UUG HPE-110be, Dell PowerEdge SC1420, Acer AS5732Z, Sony VGC-LB92HS, Gateway MX3050b, HP HP Compaq 6735s, Compaq DD373A-ABY 6650 DK110, NEC PC-VW770FS6B, and more.
A4tech Nb-20d F639631/1/201512/29/2016a4tech_nb-20d-f63963.exe193kbLenovo ThinkPad Edge E330, NEC PC-VY16AEDERFW1, HP FL308AA-ABD IQ512de, Panasonic CF-31UEUJDDA, HP P6-2485eo, and more.
A4tech Nb-20d C201.11.1010/12/201412/29/2016a4tech_nb-20d-c201.11.10.exe114kbSony VGN-FW21L, HP FL447AA-ACB a6641ru, Lenovo 4236SUS, ASUS X200MA, Sony VPCZ130GB, IBM ThinkCentre A30, Sony VGN-S45C_S, Lenovo ThinkCentre M55e, HP HP Pavilion dv6000, HP BK424AAR-ABA HPE-257c, Gigabyte P35C-S3, and more.
A4tech Nb-20d V432.13312/1/201412/29/2016a4tech_nb-20d-v432.133.exe113kbPASCAL PT880PRO-PS, HP KA763AA-ABU, Fujitsu FMVNA1S3E, HP VN310AA-UUG HPE-020be, Sony VGN-SR36GN_B, and more.
A4tech Nb-20d 73011/7/201412/30/2016a4tech_nb-20d-730.exe107kbDimotion PCDBS44H, Sony VGN-NS31S_S, Compaq GB376AA-ABE SR2237ES, BenQ Joybook A52, ASUS G70AB, EMachines M5300 Series, Gateway 6020GZ, HP 610-1110es, WIPRO WSG48355W7-0023, Compaq EC516AA-ABH SR1519NL NL530, HP KJ357AA-B14, and more.
A4tech Nb-20d 6086911/16/201412/28/2016a4tech_nb-20d-60869.exe206kbNEC PC-VN770JS3EB, ASUS N56VM, AT TRILINE PROFI I102, HP NM920AA-ABU m9639uk, Lenovo 20AMS05C00, MotherBoard By ZOTAC MotherBoard H61ITX-B-E, NEC DT000024, HP EG763AA-B14, Epson Endeavor MT7500, Samsung RV409/RV509/RV709, NEC PC-LL750HG3E, Transource Computer Systems, and more.
A4tech Nb-20d J42471.19/15/201412/30/2016rwfo-j42471.1.exe153kbSony VGN-CS16G_R, HP H8-1232, HP NC684AAR-ABA a6750y, EMachines Emachines D525, Sony VGC-RA52, Epson AT970-KD2, Compaq NY574AA-ABM CQ5205LA, and more.
A4tech Nb-20d 2.1362.11.12/18/201512/30/2016a4tech_nb-20d-2.1362.11.1.exe134kbIBM ThinkPad Z60t, Acer A0A150, HP CQ3375L, NEC PC-VW970BS, and more.
A4tech Nb-20d 7029411/20/201412/28/2016a4tech_nb-20d-70294.exe133kbPackard Bell SPIRIT 4054, Lenovo 10AJ0002GE, HP P7-1012, Fujitsu FMVNFD40, SIE 840_P3, Sony VGC-JS15G_S, Toshiba SATELLITE C855-1LC, Epson Endeavor NT350, and more.
A4tech Nb-20d 1.1002010/19/201412/30/2016a4tech_nb-20d-1.10020.exe122kbHP G5406f, ICP / IEi KINO-945GSE, Packard Bell IMEDIA D2000C, ASUS BA5190,A500, NEC PC-LL700GD, Acer Aspire AG3731, HP FQ504AA-ABG a6550a, and more.

Please Note: There are particular operating systems known to have problems with A4tech Nb-20d:
  • Windows Vista Starter
  • Windows 10
  • Windows XP Starter Edition
  • Windows Vista Ultimate
  • Windows XP Media Center Edition 2005
  • Windows 7 Home Basic
  • Windows XP 64-bit Edition
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific A4tech Nb-20d model.
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