2/23/2017 new driver models for direct download:601
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 2/23/2017 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: 2/19/2017
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: 1/25/2017

Direct Downloads: 71
Most Recent Download: 2/22/2017
Managed Downloads: 2756
Most Recent Download: 2/22/2017
Download Mirrors: 5
Current Delay: 19 Seconds
Driver License: GPL

Direct Download Success Stats:

Reports Issued By 55/71 Users

Success Reported By 14/55 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 2228/2756 Users

Success Reported By 1825/2228 Users

Driver Download Score90/100

Driver Installation Score76/100

Overall preformance Score96/100

A4tech Nb-20 1790 Thumbs Up1790Thumbs
A4tech Nb-20 182 Thumbs Down182Thumbs
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.

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 2/23/2017, Computer: Toshiba SATELITE

Outdated or Corrupted drivers:10/22

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) PM55 Express Chipset LPC Interface Controller - 3B03Up To Date and Functioning
Mice And Touchpads
Synaptics HID-compliant mouseCorrupted By A4tech Nb-20
Wacom Wacom Router MouseUp To Date and Functioning
Usb Devices
Sony Ericsson Sony Ericsson Device 116 USB Ethernet Emulation (WDM)Outdated
Hewlett-Packard HP Deskjet F2100 Printer series (DOT4USB)Outdated
Sound Cards And Media Devices
AVerMedia AVerMedia A373 MiniCard Dual DVB-TOutdated
Realtek Realtek AC'97 AudioUp To Date and Functioning
Realtek Audioapparaat op de bus voor High Definition AudioOutdated
Network Cards
Intel(R) Centrino(R) Wireless-N 1000Up To Date and Functioning
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
Intel SATA AHCI -vakio-ohjainUp To Date and Functioning
Intel Intel(r) AIM External Flat Panel Driver 1Up To Date and Functioning
Mad Catz Programmable Support for MouseCorrupted By A4tech Nb-20
Initio Initio Default ControllerUp To Date and Functioning
SMSC SMSC IrCC - Fast Infrared PortUp To Date and Functioning
Intel Port racine express PCI Intel(R) 82801FB/FBM PCI -2662Corrupted By A4tech Nb-20
Cameras, Webcams And Scanners
Microsoft USB Video DeviceUp To Date and Functioning
Video Cards
Intel Standard VGA Graphics AdapterCorrupted By A4tech Nb-20
Input Devices
Wacom Wacom TabletCorrupted By A4tech Nb-20
Port Devices
Sony Ericsson Sony Ericsson 750 USB WMC OBEX Interface (COM6)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIACorrupted By A4tech Nb-20

Scan performed on 2/23/2017, Computer: Panasonic CF-T1RCAXR

Outdated or Corrupted drivers:8/18

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) B75 Express Chipset LPC Controller - 1E49Corrupted By A4tech Nb-20
Mice And Touchpads
Fujitsu Component touchpad/touchscreenUp To Date and Functioning
Microsoft Microsoft SideWinder X3 Mouse (IntelliPoint)Corrupted By A4tech Nb-20
Usb Devices
Logitech Logitech Mic (QuickCam S7500)Up To Date and Functioning
Intel Xeon(R) processor E3-1200 v2/3rd Gen Core processor DRAM Controller - 0150Up To Date and Functioning
Sound Cards And Media Devices
Conexant Conexant Falcon II PAL Video CaptureCorrupted By A4tech Nb-20
Network Cards
Intel Ethernet ControllerCorrupted By A4tech Nb-20
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
NVIDIA NVIDIA MCP51 Parallel ATA ControllerUp To Date and Functioning
Logicool Logitech Driver InterfaceUp To Date and Functioning
Intel Intel(r) AIM External TV Encoder Driver 2Up To Date and Functioning
Nokia Nokia USB Phone ParentUp To Date and Functioning
Cameras, Webcams And Scanners
Sonix USB Video DeviceUp To Date and Functioning
Video Cards
ATI ATI MOBILITY RADEON 9600/9700 SeriesCorrupted By A4tech Nb-20
Input Devices
Logitech Logitech WingMan Formula (ADI)Corrupted By A4tech Nb-20
Port Devices
D-Link USB Single PortOutdated
Sony Digital Flat Panel (1024x768)Corrupted By A4tech Nb-20
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-20 2224812/14/201412/30/2016a4tech_nb-20-22248.exe150kbFujitsu FMVNB16C, Toshiba SATELLITE C50D-A-10Z, ASUS 1008HA, Sony VGN-AR170P, HP P6374A-ABG 720a, Acer Veriton M460/S460, Lenovo 2008WHV, Nvidia MCP7A-ION, Packard Bell Imedia I5800, LG P2-TP2007, 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, Sweetwater Sound CS400, ASUS 1015PEG, Gigabyte G41MT-D3PT, HP P7478A-ABA 761N, HP HP 530 Notebook PC, Dell Latitude 13, 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, HP D7223D-ABA A530E, HP DX2400, Packard Bell IMEDIA X5609 BE, Panasonic CF-18DHB32GD, Dell Precision R7610, IBM 6830TBG, 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, Lenovo ThinkPad T61p, LG R560-CR20K, Panasonic CF-28PTJGZDM, HP RC520AA-ABU, Sony VPCW126AG, IBM 23728EG, 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, Compaq Presario 1201EA 470019-012, Gigabyte 945GDS1, HP 700-090eg, Panasonic FZ-G1AABJKMY, NEC PC-GL20ES3L6, HP RR523AA-UUW, 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, HP PS225AA-ABE, Fujitsu ESPRIMO Mobile X9510, Compaq VT590AA-ABM CQ2404LA, Panasonic CF-30CTQCBBM, HP WC785AA-UUW p6363sc, Lenovo 6457W8Q, 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, HP EP086AA-ABS, Omni OTS-8100SD02815, Panasonic CF-53AACZYFT, HP RA933AA-ABZ, Toshiba Satellite Pro 6100, HP VS165AA-UUW s5270sc, 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, NEC PC-MK29MLZDF, IBM 8183TQG, Gateway DX441X, Gateway E-155CG, Lenovo 3000 N100 Notebook, Pegatron H24L, 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, IBM 2373WMV, HP GB323AA-B1U, Acer V3-771, Sony VPCCW15FG, HP FJ377AA-ABF a6538.f, Sony VGN-SZ61VN_X, 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, NEC POWERMATE RD391161295, Sony VPCW21C7E, Sony SVS13A17GBB, Sony VGC-LS31N, Sony VPCZ130GB, HP 610-1130uk, 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, NEC PC-MY18ABZE4, HP RJ172AA-ABU, Sony PCG-GRT170, ASUS A7V, HP AU917AA-ABA e9270f, HP FQ504AA-ABG a6550a, 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, HP P7478A-ABA 761N, HP HP 530 Notebook PC, Dell Latitude 13, HP HP ProBook 4520s, ASUS C90P, Acer Aspire 1520, 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, Toshiba SATALLITE A300, HP HP Pavilion dv5 Notebook PC, Lenovo ThinkPad Edge E531, Pcs PRODiiGY 915GV, Acer Veriton L670, LG LW75-P333, and more.
A4tech Nb-20 43702.111/9/201412/28/2016ghcj-43702.1.exe120kbHP AY024AA-ABA s5360f, NEC PC-MK33LLZZUFJF, Lenovo ThinkPad Edge E320, Gigabyte W551, Epson Endeavor MT8800, Lenovo ThinkPad T420, NEC PC-GL24ES8DE, Lenovo 7484WWY, NEC PC-MK33LBZCE, LG S1-PRIDE, IBM 8142LU2, Sony VGN-SZ780U, AXIOO PICO DJV Model, HP FR598AA-ABE IQ512es, and more.
A4tech Nb-20 S27779/21/201412/29/2016sncsjab-s2777.exe98kbHP AY020AA-ABL p6320f, SAMSUN NP-R510-FS04NL, Lenovo 3000 J115 Desktop, ASUS 1225B, Toshiba SATELLITE C850-A791, Sony SVE1412ECXP, LG P1-J555R, Avermedia 3150, Toshiba Satellite C850-B906, Packard Bell IMEDIA MC 8830, Sony VGN-FW170D, Fujitsu FMVMGG70N7, Fujitsu MS-6318, Panasonic CF-19HH165NW, Toshiba Satellite Pro 6100, Toshiba Dynabook EX1/524CDE, Acer Predator G5900, Lenovo 2689PHG, and more.
A4tech Nb-20 4022.101/18/201512/30/2016a4tech_nb-20-4022.10.exe125kbToshiba Dynabook EX1/524CDE, Sony VPCF11HGX, HP KY789AA-AKL p6175l, Dell Inspiron 20 Model 3045, Lenovo ThinkPad SL500c, Fujitsu LifeBook A6030, Panasonic CF-W7DWJQJR, LG E300-A.C4RRV, NEC EASYNOTE PB47Q01806, LG R560-U.ABLGL, HP HDX9400, HP PAVILION DV8000, Fujitsu FMVNFD85D, Dell Latitude 7350, and more.
A4tech Nb-20 4202/20/201512/30/2016a4tech_nb-20-420.exe63kbIBM 8424Y11, Prosys P5P800, HP KA770AA-ABU, ECS 331, Acer Acer 8935G, HP S5770uk-m, Toshiba Satellite L500D, MSI U4-7302, IBM ThinkPad X41 Tablet, Gateway GT5042j, HP DT280A-ABU, Haier H53, Compaq EK360AA-ABZ SR1659IT IT540, IBM 621910U, Sony VGC-JS410F, and more.
A4tech Nb-20 X31.128911/28/201412/30/2016a4tech_nb-20-x31.1289.exe178kbNEC PC-VR970MG, Fujitsu FMVA56CWG, NEC PC-VJ27MBZDG, Gigabyte G31M-ES2C, HP GJ404AA-UUZ, IBM 1871Y16, Supermicro X7DVL-3, IBM 2672EU1, WIPRO WSG48355W7-0023, Sony VGN-CR21E_W, ASUS PRDLS533, LG P210-G.AEW3C1, IBM System x3300 M4 -[7382E3G, and more.
A4tech Nb-20 7309312/6/201412/29/2016a4tech_nb-20-73093.exe80kbGateway 4800 Series, Fujitsu FMVNX95UD, Medion E3211, NEC PC-LL750RG1B, HP HP Pavilion dv6700, HP PX568AA-ABY, Gateway J6452, Sony VGC-JS53FB_P, MAXDATA Fusion 1000 I, NEC PC-VY21MED5HJW6, HP RR455AA-ABF t3727.f, and more.
A4tech Nb-20 61.10322/22/201512/27/2016a4tech_nb-20-61.1032.exe119kbHP RN657AAR-ABA a1777c, LG LW65-K5JY, NEC PC-MY30XEZE3, NT Computer ACCENT Q 6600/501, Toshiba SATELLITE PRO L770-149, Sony PCG-FX602, Fujitsu FMVXN6EG2Z, Intel SJR2A092, Sony PCG-FX33S_BP, HP P9879A-ABG 713a, HP FK861AA-AB0 a6625tw, Sony VGN-CS325J, Sony VGN-NS225J, LG F1-2227K, Gateway M-7332H, HP HP Compaq nx7300, Dell TT 3421, and more.
A4tech Nb-20 632.12610/1/201412/30/2016a4tech_nb-20-632.126.exe212kbHP NQ867AA-UUZ m9650ch, Toshiba SATELLITE L775-13T, AnabelleB Argyle M261V, Notebook MIM2300, WIPRO WIV37455-0198, Sony SVD11219CJB, Panasonic CF-53AAC01FE, IBM 23745U9, Mecer X107, IBM 2668WGY, Toshiba Satellite A200-12X, Sony VGN-NS21ER_S, WIPRO WSG37555W7-0288, and more.
A4tech Nb-20 8302311/8/201412/30/2016a4tech_nb-20-83023.exe21kbPackard Bell IMEDIA X5609 BE, Panasonic CF-18DHB32GD, Dell Precision R7610, IBM 6830TBG, Fujitsu FMVA30DN, LG R490-KR8WK, Uniwill L51AI Serial, IBM 808735M, Packard Bell EasyNote TM01, Toshiba SATELLITE P300-160, and more.
A4tech Nb-20 72812/2/201412/27/2016a4tech_nb-20-728.exe104kbHP RZ482AA-ABF m8090.f, Sony VGN-SR36GN_B, HP 23-d050xt, KONTRON B649, Sony VGNFW590GAB, HP S5680t, HP FL436AA-ABF a6631af, HP NM943AA-UUW m9570, HP ED737AA-ABS, Fujitsu FMVWMS157T, HP Pavilion G60-418CA, Lanix Lanix Corp, HP PS568AA-ABA A1019H, HP HP Pavilion dv9000, Sony 9906733-3100574, Panasonic CF-52GUN55NT, Acer Aspire AG3731, HP KJ379AAR-ABA a6400f, and more.
A4tech Nb-20 L736331/28/201512/29/2016a4tech_nb-20-l73633.exe21kbIBM IBM System x3200 M2 -[4367I6A, HP HP Compaq nc6110, HP HP Pavilion dv5000, HP HPE-550be, Sony VGN-FZ290FU, EMachines ET1331G-07w, Sony VPCCW2AFJ, Toshiba SATELLITE C55-A-10Q, HP HP ENVY 17 3D Notebook PC, Panasonic CF-53JAWZYFN, Velocity Micro CINEMAGIX, Gateway NX200X, IBM 8190LGJ, Panasonic CF-S9JYKADP, Panasonic CF-50GAKUUKM, HP HP Compaq dx6120 MT, Lenovo 3000 H230 10025, HP VT557AA-ABG 600-1150a, LG Z20NH.AR51B3E, 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.
Laptop A4tech Nb-20Tablet A4tech Nb-20Download A4tech Nb-20Upgrade A4tech Nb-20Update A4tech Nb-202017 A4tech Nb-20Free A4tech Nb-20Data A4tech Nb-20Info A4tech Nb-20Help A4tech Nb-20Guide A4tech Nb-20Comments A4tech Nb-20Windows 10 A4tech Nb-20Vista A4tech Nb-20Windows 7 A4tech Nb-20Install A4tech Nb-20