4/27/2017 new driver models for direct download:1096
A4tech Nb-20 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for A4tech Nb-20
Certifications for A4tech Nb-20
5 stars for A4tech Nb-20 "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 4/27/2017 Updates

All drivers on are updated on daily basis.

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

A4tech Nb-20 Driver Download

Windows Compatibility for A4tech Nb-20 driver

A4tech Nb-20 Driver Details:

A4tech Nb-20 File Name:

A4tech Nb-20 Driver Version: 41e0Y

A4tech Nb-20 ZIP Size: 108.kb

Manufacturer: A4tech

A4tech Nb-20 was fully scanned at: 4/23/2017
Scan Status: driver download scanOK

A4tech Nb-20 special revision for: Windows XP Starter Edition 32 bit, Windows XP Tablet PC Edition 64 bit, Windows 7 Enterprise (Microsoft Windows NT) 32 bit, Windows RT 64 bit, Windows 7 Service Pack 1 (Microsoft Windows NT) 32 bit

A4tech Nb-20 Download Stats:

Driver Uploaded: 4/22/2017

Direct Downloads: 79
Most Recent Download: 4/25/2017
Managed Downloads: 3071
Most Recent Download: 4/26/2017
Download Mirrors: 5
Current Delay: 26 Seconds
Driver License: GPL

Direct Download Success Stats:

Reports Issued By 74/79 Users

Success Reported By 15/74 Users

Driver Download Score71/100

Driver Installation Score69/100

Overall preformance Score75/100

A4tech Nb-20 2 Thumbs Up2Thumbs
A4tech Nb-20 0 Thumbs Down0Thumbs
A4tech Nb-20 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 2841/3071 Users

Success Reported By 2186/2841 Users

Driver Download Score90/100

Driver Installation Score76/100

Overall preformance Score96/100

A4tech Nb-20 2085 Thumbs Up2085Thumbs
A4tech Nb-20 106 Thumbs Down106Thumbs
A4tech Nb-20 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-20 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-20 + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing A4tech Nb-20, 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 Nb-20 problems:

A4tech Nb-20 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-20 disfunctions.

Scan performed on 4/27/2017, Computer: LG P210-G.AEW3C1

Outdated or Corrupted drivers:7/21

Device/DriverStatusStatus DescriptionUpdated By Scanner
VIA VIA I/O APIC Interrupt ControllerCorrupted By A4tech Nb-20
Mice And Touchpads
Logicool Logitech HID-compliant Unifying MouseUp To Date and Functioning
Logicool HID mouseUp To Date and Functioning
Usb Devices
Renesas Renesas Electronics USB 3.0 HubUp To Date and Functioning
Advanced Micro Devices USB2.0 HubOutdated
Microsoft USB-masslagringsenhetUp To Date and Functioning
Sound Cards And Media Devices
Analog Devices SoundMAX Integrated Digital AudioUp To Date and Functioning
Realtek High Definition Audio-enhetOutdated
Advanced Micro Devices High Definition-audioapparaatOutdated
Network Cards
Ralink ASUS USB-N53 802.11a/b/g/n Network AdapterUp To Date and Functioning
Microsoft HID KeyboardCorrupted By A4tech Nb-20
Hard Disk Controller
USB Compliance USB Optical Storage DeviceUp To Date and Functioning
Intel Intel(r) AIM External TV Encoder Driver 1Corrupted By A4tech Nb-20
PACE Anti-Piracy USB iLok DriverUp To Date and Functioning
Nokia Nokia USB PhonetUp To Date and Functioning
Cameras, Webcams And Scanners
Realtek Realtek USB2.0 PC CameraUp To Date and Functioning
Video Cards
ATI ATI Technologies, Inc. 3D RAGE PRO AGP 2XUp To Date and Functioning
Input Devices
Sony Sony Programmable I/O Control DeviceUp To Date and Functioning
Port Devices
hspa Modem Application2 port (COM5)Corrupted By A4tech Nb-20
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning

Scan performed on 4/27/2017, Computer: Compaq NC109AA-ABH SR5422NL

Outdated or Corrupted drivers:9/21

Device/DriverStatusStatus DescriptionUpdated By Scanner
Microsoft Driver de Barramento Microsoft UAA para High Definition AudioUp To Date and Functioning
Mice And Touchpads
VMware VMware USB Pointing DeviceCorrupted By A4tech Nb-20
Usb Devices
Intel(R) Concentrateur racine Intel(R) USB 3.0Up To Date and Functioning
Virtual Ink mimio USB AdapterCorrupted By A4tech Nb-20
Intel(R) USB 2.0 NavCorrupted By A4tech Nb-20
Sound Cards And Media Devices
AMD AMD High Definition Audio DeviceCorrupted By A4tech Nb-20
ASUSTek ASUSTeK Tiger Capture DeviceUp To Date and Functioning
Logitech USB Audio DeviceUp To Date and Functioning
Network Cards
Intel(R) Centrino(R) Wireless-N 135Up To Date and Functioning
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
NVIDIA Controller standard PCI IDEUp To Date and Functioning
PACE Anti-Piracy USB iLok DriverUp To Date and Functioning
Nokia Nokia 5230 USB Phone ParentUp To Date and Functioning
Texas Instruments Texas Instruments PCI7420 Integrated FlashMedia ControllerCorrupted By A4tech Nb-20
Intel Port racine express PCI Intel(R) 82801FB/FBM PCI -2662Up To Date and Functioning
Cameras, Webcams And Scanners
Canon Canon MP600RUp To Date and Functioning
Video Cards
NVIDIA NVIDIA GeForce GT 630MOutdated
Input Devices
Microsoft HID-compliant system control deviceUp To Date and Functioning
Port Devices
hspa Modem Application4 port (COM7)Corrupted By A4tech Nb-20
Sony Digital Flat Panel (1024x768)Corrupted By A4tech Nb-20
Mobile Phones And Portable Devices
Acer NOKIAOutdated
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
A4tech Nb-20 2224812/14/201412/30/2016a4tech_nb-20-22248.exe150kbFujitsu FMVNB16C, Toshiba SATELLITE C50D-A-10Z, ASUS 1008HA, Sony VGN-AR170P, and more.
A4tech Nb-20 730871/22/201512/30/2016a4tech_nb-20-73087.exe30kbToshiba SATELLITE C870-1HG, Sony PCG-GRZ615M, Lenovo SS09254503, HP P7-1106, Fujitsu FMVA42EWB, HP C9700, Velocity Micro CINEMAGIX, Compaq PS430AA-ABG SR1380AN AN510, Fujitsu N6220, HP KA763AA-ABU, Packard Bell EasyNote TM01, Gateway GT5418E, HP 23-c010, and more.
A4tech Nb-20 N2.1371.1211/11/201412/30/2016a4tech_nb-20-n2.1371.12.exe106kbNEC VERSAL2100 RND41065495, Fujitsu FMVNFC50WG, Gigabyte EP45T-DS3, Compaq VN469AA-UUZ CQ5235CH, HP RR460AA-ABF s7740.f, Sony VGN-CS60B_Q, LG R580-L.B241P1, HP DF194A-ABZ 484, and more.
A4tech Nb-20 O41.197012/14/201412/29/2016a4tech_nb-20-o41.1970.exe183kbNEC PC-VY25AAZR7, Acer Veriton Z290G, Packard Bell IPower X9274, NEC PC-MY18AESETM81, ASUS G750JW, HP P5282A-ABA 9995, IBM IBM System X3100 M4 -[2582B2A, Sony VPCX115LW, LG R590-XR7WK, HP HP Compaq nx6125, Mitsubishi CX32VLZJTSBH, IBM 813135U, Sony VGX-TP1E, and more.
A4tech Nb-20 1.11.149/6/201412/28/2016a4tech_nb-20-1.11.14.exe22kbHP EC577AA-B1U, FIC ATM-Q45G, Supermicro X7DBP, Acer Veriton S670, HP KX634AA-ABZ, IBM 81838HJ, NEC PC-VL150GS, Lenovo 1066E5G, Packard Bell IPower X9110, IBM 6204EBC, and more.
A4tech Nb-20 402.192.19/12/201412/30/2016maixfq-402.192.1.exe57kbPackard Bell IXtreme X9702, Panasonic CF-Y5KW8AXS, HP Pavilion ze5700, Toshiba SATELLITE A300-27Z, and more.
A4tech Nb-20 71.179611/7/201412/28/2016a4tech_nb-20-71.1796.exe137kbNEC PC-LL560MG3ER, HP WC702AA-UUG HPE-130be, Compaq Presario 5471EA 470030-395, ARCELIK 1PF-ANB 586D1 MT, HP WC734AA-ABD 1130de, NCR 7457-3500-8801, Lenovo ThinkPad Edge E530, LG LW75-PMXH1, HP DW225A-ABE, HP PS306AA-AB9, Sony VPCEB1E9R, and more.
A4tech Nb-20 3394410/29/201412/29/2016a4tech_nb-20-33944.exe219kbHP HP Pavilion dv6-6c73ca, Fujitsu FMVXN6EG2Z, IBM 1831W1U, IBM 1871WNV, LG Z20NH.AR51B3E, and more.
A4tech Nb-20 I21.18892/6/201512/27/2016a4tech_nb-20-i21.1889.exe45kbSony VGN-AW37GY_Q, IBM 847691U, Toshiba Qosmio F60-10L, Sony VGN-TZ92S, and more.
A4tech Nb-20 831.1682/3/201512/29/2016uk-831.168.exe203kbHP H9-1101es, Panasonic CF-28PTJGZDM, IBYTE UDP GN ANDROS-I60L, VVIKOO VI P67 PRO, Panasonic CF-N9LWRJDS, Compaq DQ119A-ABZ S5400IT IT340, EMachines M5300 Series, Compaq EL445AA-ABA SR1750NX NA651, Toshiba Dynabook Qosmio F30/770LS, Panasonic CF-52ELNFQAM, Advent Monza, Dell TT 3421, and more.
A4tech Nb-20 K81.100011/21/201412/29/2016vdhrhiq-k81.1000.exe72kbEDsys EHI33220M, WIPRO WSG68125W7E-0015, NEC PC-VY16GWZR4, Compaq DA309A-B14 6540. BE910, IBM 8419KMA, HP HP G60 Notebook PC, HP Compaq nx5000, and more.
A4tech Nb-20 21.1221/20/201512/30/2016a4tech_nb-20-21.122.exe46kbPackard Bell EasyNote TM01, Gateway GT5418E, HP 23-c010, Sweetwater Sound CS400, ASUS 1015PEG, Gigabyte G41MT-D3PT, and more.
A4tech Nb-20 4382.199/21/201412/27/2016bf-4382.19.exe23kbHP WL327AA-ABD p6328de, IBM ThinkPad G40, HP HP Touchsmart 300-1120, HP HP Pavilion dv7-6158ca, Exper ACTIVEDEX144, Lenovo 7659YAN, Sony VPCW126AG, Sony VGN-NS90HS_6_W, Panasonic CF-18KHVCBBF, ELITEGROUP 330, Leading Edge LECC2600, HP 3639, and more.

Please Note: There are particular operating systems known to have problems with A4tech Nb-20:
  • Windows XP Media Center Edition 2005
  • Windows XP Professional x64 Edition
  • Windows XP 64-bit Edition
  • Windows XP Starter Edition
  • Windows XP Media Center Edition
  • Windows Vista Enterprise (Microsoft Windows NT 6.0.6000.0)
  • Windows XP Professional
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific A4tech Nb-20 model.
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