2/25/2017 new driver models for direct download:591
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 2/25/2017 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: 2/21/2017
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: 12/7/2016

Direct Downloads: 968
Most Recent Download: 2/23/2017
Managed Downloads: 3322
Most Recent Download: 2/23/2017
Download Mirrors: 2
Current Delay: 26 Seconds
Driver License: FS {free software}

Direct Download Success Stats:

Reports Issued By 799/968 Users

Success Reported By 166/799 Users

Driver Download Score75/100

Driver Installation Score69/100

Overall preformance Score64/100

A4tech Nb-20d 61 Thumbs Up61Thumbs
A4tech Nb-20d 17 Thumbs Down17Thumbs
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 2702/3322 Users

Success Reported By 2122/2702 Users

Driver Download Score76/100

Driver Installation Score93/100

Overall preformance Score89/100

A4tech Nb-20d 2102 Thumbs Up2102Thumbs
A4tech Nb-20d 33 Thumbs Down33Thumbs
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:
* Only registered users can upload a report.

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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 2/25/2017, Computer: IBM 2722M3U

Outdated or Corrupted drivers:5/19

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) QPI Physical 0 - 2C91Up To Date and Functioning
Mice And Touchpads
Logicool Logicool HID-compliant Optical Tilt Wheel MouseUp To Date and Functioning
Usb Devices
NTT DoCoMo FOMA P905iUp To Date and Functioning
Sound Cards And Media Devices
Broadcom Audio BluetoothUp To Date and Functioning
VMware Creative AudioPCI (ES1371,ES1373) (WDM)Outdated
Network Cards
Ikanos USB ADSL2 WAN AdapterUp To Date and Functioning
Microsoft Keyboard Device FilterOutdated
Hard Disk Controller
Intel(R) Desktop/Workstation/Server Express Chipset SATA AHCI ControllerUp To Date and Functioning
Intel(R) 82801EB Ultra ATA Storage Controllers - 24D1Up To Date and Functioning
Intel Intel(r) AIM External Flat Panel Driver 0Corrupted By A4tech Nb-20d
Mad Catz Programmable Support for KeyboardUp To Date and Functioning
Intel(R) 82810 Graphics Controller (Microsoft Corporation)Up To Date and Functioning
Point Grey Research Texas Instruments OHCI Compliant IEEE 1394 Host ControllerUp To Date and Functioning
Cameras, Webcams And Scanners
Canon Canon MP495 serCorrupted By A4tech Nb-20d
Video Cards
ATI RADEON X600 Series (Microsoft Corporation - WDDM)Up To Date and Functioning
Input Devices
Sony Sony Programmable I/O Control DeviceUp To Date and Functioning
Port Devices
D-Link USB Single PortUp To Date and Functioning
Sony Digital Flat Panel (1024x768)Corrupted By A4tech Nb-20d
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning

Scan performed on 2/25/2017, Computer: Acer Aspire 1820

Outdated or Corrupted drivers:6/20

Device/DriverStatusStatus DescriptionUpdated By Scanner
Microsoft AMD-8131 HyperTransport(tm) IOAPIC-ControllerUp To Date and Functioning
Mice And Touchpads
Synaptics Mouse compatibile PS/2Up To Date and Functioning
Elo TouchSystems USB Human Interface DeviceUp To Date and Functioning
Microsoft Logitech First/Pilot Mouse+ (USB)Up To Date and Functioning
Usb Devices
Brother Industries USB-WRITERUp To Date and Functioning
Google USB SPH-D700Outdated
Sound Cards And Media Devices
China USB2.0 Video CaptureUp To Date and Functioning
IDT High Definition Audio DeviceUp To Date and Functioning
Realtek Realtek High Definition AudioUp To Date and Functioning
Network Cards
Realtek Realtek Bluetooth 4.0 + High Speed ChipUp To Date and Functioning
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
Ricoh Ricoh xD-Picture Card ControllerOutdated
Broadcom Broadcom Bluetooth 4.0Corrupted By A4tech Nb-20d
Nokia Nokia USB Phone ParentCorrupted By A4tech Nb-20d
Cameras, Webcams And Scanners
Brother Brother DCP-115C USBUp To Date and Functioning
Video Cards
VIA/S3G VIA/S3G UniChrome Pro IGPUp To Date and Functioning
Input Devices
Logitech USB-HID (Human Interface Device)Up To Date and Functioning
Port Devices
Mobile Connector Device Diagnostic Interface (COM11)Outdated
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAOutdated
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, NEC PC-LL750ES3KS, HP HP ProBook 6460b, Toshiba Dynabook Satellite T772/W5TG, Toshiba SATELLITE C55-A-128, IBM 8183Z2C, LG P1-JACKE, 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, Lenovo 10AJ0002GE, HP P7-1012, Fujitsu FMVNFD40, SIE 840_P3, Sony VGC-JS15G_S, Toshiba SATELLITE C855-1LC, 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, Sony VGN-SZ55_B, Lenovo 3000 J200 Desktop, Lenovo ThinkCentre M91p, Compaq AY552AA-AB5 CQ3118HK, Toshiba SATELLITE C55-A-128, HP GB290AA-AB5 m8088hk, 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, LG LS50-A514ZL, Lenovo 6075Y74, HP KT850AV-ABJ s3540jp, Lenovo 2756AF8, Packard Bell PACKARD BELL IMAX X7300 SP, HP EC658AA-ABH W5170.NL, 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, Lenovo ThinkPad SL400, Toshiba Dynabook Satellite L45 240E/HD, HP HP Compaq 8710w, Gigabyte P35C-S3, HP HP G5000, Acer Aspire 1825, 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, Seneca V63909, ASUS G70S, HP Compaq nx5000, Toshiba Dynabook R732/E25HR, HP 520-1070uk, IBM 8187RGH, 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, LG R580-U.APD1WT, Sony VGN-NS90HS_6_W, Compaq GS255AV-AB4 SR5211CF, NEC PC-MJ26XRZWTSBJ, AnabelleB Argyle V240, Fujitsu FMVFB70NT, 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, Fujitsu FMVNB18C, IBM 8141KGR, Toshiba SATELLITE L875-12M, NEC MS-7168, Intel SBD2B014, LG E500-S.AP22R1, 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, Panasonic CF-S8HYEPDR, SOTEC WG Series, HP M7640n-ABA m7640, MSI GP60 2PE, HP HP EliteBook 8560p, Toshiba SATELLITE C670-13Q, 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, Sony VGN-TZ37LN_R, HP 23-b030ef, HP P6-2201sem, HP Presario R3000, Toshiba SATELLITE L850-153, HP Pavilion P6640F ABC, 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, Fujitsu FMV5NUBKH8, HP GL327AA-ABF a6115.f, NEC PC-LS150HS1KSG, EMachines 3265IT, HP NQ852AA-ABH IQ830nl, Toshiba Satellite A100-386, 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, WIPRO WIV37455-1059, FIC LM10W, PDS Vector CQ, LG RB380-A.AFLGL, IBM Lenovo ThinkServer TS200 -[652512G, HP HP Compaq nc6320, 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, Sony VGN-NS11SR_S, HP VG244AA-ABU p6235uk, Intel Test Product, Lenovo ThinkPad X300, Seneca Pro213935, NEC PC-MY18XAZE1XTA, and more.
A4tech Nb-20d 31.14841/11/201512/27/2016a4tech_nb-20d-31.1484.exe105kbIBM EServer xSeries 365 -[88625RX, Sony VGN-TT1, Fujitsu LIFEBOOK S 7020, HP Pavilion G70-457CA, Packard Bell ISTART 9112, Gateway GM5643E, LG FD-223NC, NEC Express5800/56Xe [N8000-672, Sony VGN-NS38M_P, NEC PC-MY18XAZE1XTA, HP HP Pavilion dv9000 NoteBook PC, SAMSUN SX60P, Toshiba Dynabook Qosmio T851/D8EB, ASUS BP6260, NEC PC-MY26XRZJTSBJ, ASUS 1008HA, Lenovo 1S16800367700DD, Panasonic CF-30CWQAZBM, and more.
A4tech Nb-20d 3080812/23/201412/29/2016a4tech_nb-20d-30808.exe91kbVMware VMware7,1, Toshiba Dynabook T552/36FBK, HP EP086AA-ABS, IBM 8185LUZ, ASUS U24E, Lenovo 2429BH6, VVIKOO VI P67 PRO, Panasonic CF-30CTQCBBM, WIPRO Wsg15886, Fujitsu FMVNS1E3, HP H8-1525eg, HP WK697AA-ABD p6329de, HP Compaq nx5000, and more.
A4tech Nb-20d J4306612/6/201412/27/2016a4tech_nb-20d-j43066.exe82kbSony VPCF13NFX, NEC VERSAE6301 RNF61113695, Fujitsu FMVNFD50B, Sony VPCX115LW, MSI ThirdWave Corporation Prime Series, Sony VPCF13DGX, Sony SVF15215SNB, LG R380-A.APC4BA3, AT COMFOR OFFICE I10 SI, Packard Bell EasyNote_GN45, Sony VGN-SZ38GP, LG LG PC, LG MB500-S.F7IBPL, and more.
A4tech Nb-20d 2.138999/22/201412/30/2016a4tech_nb-20d-2.13899.exe173kbIBM 8084W2J, ASUS U6Vc, Compaq ER100AA-ABA SR1625NX NA541, Sony VGN-SZ13GP_B, Pegatron H24L, NEC VERSAL2101 RNB31065295, Lenovo ThinkCentre Edge 72z, HP S5-1021p, Lenovo ThinkPad Edge 13, Gateway GT5228J, HP S5-1028hk, Acer TM7520, HP RJ116AA-UUW, Gateway E-4610D SB, 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.
Laptop A4tech Nb-20dTablet A4tech Nb-20dDownload A4tech Nb-20dUpgrade A4tech Nb-20dUpdate A4tech Nb-20d2017 A4tech Nb-20dFree A4tech Nb-20dData A4tech Nb-20dInfo A4tech Nb-20dHelp A4tech Nb-20dGuide A4tech Nb-20dComments A4tech Nb-20dWindows 10 A4tech Nb-20dVista A4tech Nb-20dWindows 7 A4tech Nb-20dInstall A4tech Nb-20d