12/2/2016 new driver models for direct download:588
A4tech Nb-20-25-30-35-40 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for A4tech Nb-20-25-30-35-40
Certifications for A4tech Nb-20-25-30-35-40
5 stars for A4tech Nb-20-25-30-35-40 "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 12/2/2016 Updates

All drivers on are updated on daily basis.

However, a new version of A4tech Nb-20-25-30-35-40 might have been uploaded since our last site update.

A4tech Nb-20-25-30-35-40 Driver Download

Windows Compatibility for A4tech Nb-20-25-30-35-40 driver

A4tech Nb-20-25-30-35-40 Driver Details:

A4tech Nb-20-25-30-35-40 File Name:

A4tech Nb-20-25-30-35-40 Driver Version: 1829OCEa

A4tech Nb-20-25-30-35-40 ZIP Size: 143.kb

Manufacturer: A4tech

A4tech Nb-20-25-30-35-40 was fully scanned at: 11/30/2016
Scan Status: driver download scanOK

A4tech Nb-20-25-30-35-40 special revision for: Windows Vista Starter 64 bit, Windows 8 Pro 64 bit, Windows XP Media Center Edition 2004 64 bit, Windows XP Media Center Edition 2003 64 bit, Windows XP Professional x64 Edition 64 bit, Windows 7 Home Basic 64 bit, Windows XP Starter Edition 32 bit, Windows Vista Ultimate 64 bit, Windows XP Professional N 64 bit

A4tech Nb-20-25-30-35-40 Download Stats:

Driver Uploaded: 11/13/2016

Direct Downloads: 3748
Most Recent Download: 11/30/2016
Managed Downloads: 3748
Most Recent Download: 11/29/2016
Download Mirrors: 1
Current Delay: 29 Seconds
Driver License: GPL

Direct Download Success Stats:

Reports Issued By 3044/3748 Users

Success Reported By 866/3044 Users

Driver Download Score75/100

Driver Installation Score68/100

Overall preformance Score75/100

A4tech Nb-20-25-30-35-40 390 Thumbs Up390Thumbs
A4tech Nb-20-25-30-35-40 98 Thumbs Down98Thumbs
A4tech Nb-20-25-30-35-40 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 3044/3748 Users

Success Reported By 2387/3044 Users

Driver Download Score76/100

Driver Installation Score90/100

Overall preformance Score93/100

A4tech Nb-20-25-30-35-40 2366 Thumbs Up2366Thumbs
A4tech Nb-20-25-30-35-40 38 Thumbs Down38Thumbs
A4tech Nb-20-25-30-35-40 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-20-25-30-35-40 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-20-25-30-35-40 + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing A4tech Nb-20-25-30-35-40, 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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Please register, and get one.

A4tech Nb-20-25-30-35-40 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-20-25-30-35-40 disfunctions.

Scan performed on 12/2/2016, Computer: Sony VGC-JS15G_S

Outdated or Corrupted drivers:9/21

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) P965/G965 PCI Express Root Port - 29A1Corrupted By A4tech Nb-20-25-30-35-40
Mice And Touchpads
WheelMouse USB Advanced Wheel MouseCorrupted By A4tech Nb-20-25-30-35-40
HP HID-compliant muisUp To Date and Functioning
Microsoft MICROSOFT SERIAL MOUSE 2.1AUp To Date and Functioning
Usb Devices
Magic Control USB Display Device (T1P)Up To Date and Functioning
Samsung SAMSUNG Mobile USB CDC Composite DeviceOutdated
Sound Cards And Media Devices
ASUSTek Philips SAA713X, Hybrid Capture DeviceOutdated
Broadcom Audio Bluetooth.Outdated
Network Cards
Qualcomm Huawei Gobi 3000 HS-USB Mobile Broadband DeviceUp To Date and Functioning
Microsoft HID KeyboardOutdated
Hard Disk Controller
Advanced Micro Devices AMD SATA Controller (IDE Mode)Up To Date and Functioning
Acronis Seagate DiscWizard Image Backup Archive ExplorerUp To Date and Functioning
Nokia Nokia C6-00 USB Phone ParentUp To Date and Functioning
Intel Port racine express PCI Intel(R) 82801FB/FBM PCI - 2660Up To Date and Functioning
Texas Instruments Dispositivo compatible con HIDCorrupted By A4tech Nb-20-25-30-35-40
Cameras, Webcams And Scanners
Philips Philips SPC1030NC WebcamCorrupted By A4tech Nb-20-25-30-35-40
Video Cards
Intel(R) 82945G Express Chipset Family (Microsoft Corporation - WDDM 1.0)Corrupted By A4tech Nb-20-25-30-35-40
Input Devices
Wacom Virtual Keyboard InterfaceUp To Date and Functioning
Port Devices
MediaTek DA USB VCOM Port (COM11)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning

Scan performed on 12/2/2016, Computer: NEC PC-MA30YMZEB

Outdated or Corrupted drivers:10/22

Device/DriverStatusStatus DescriptionUpdated By Scanner
Advanced Micro Devices High Definition Audio -laiteOutdated
Mice And Touchpads
Logicool Logicool HID-compliant Optical Tilt Wheel MouseUp To Date and Functioning
Usb Devices
Intel(R) N10/ICH7 Family USB Universal Host Controller - 27C8Corrupted By A4tech Nb-20-25-30-35-40
Samsung SAMSUNG_Android_SGH-T999Up To Date and Functioning
Cambridge Silicon Radio Generic Bluetooth RadioUp To Date and Functioning
Sound Cards And Media Devices
Hauppauge Hauppauge WinTV HVR-1200 (Model 71xxx, Hybrid DVB-T, No FP)Up To Date and Functioning
Microsoft Microsoft LifeCam VX-1000Outdated
NVIDIA NVIDIA GeForce GT 550MUp To Date and Functioning
Network Cards
Intel(R) Dual Band Wireless-AC 7260Corrupted By A4tech Nb-20-25-30-35-40
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
Intel(R) 82801BA Ultra ATA ControllerCorrupted By A4tech Nb-20-25-30-35-40
Intel HID Sensor CollectionUp To Date and Functioning
Garmin Garmin USB GPSCorrupted By A4tech Nb-20-25-30-35-40
Intel Intel(r) AIM External Flat Panel Driver 6Up To Date and Functioning
Google Android ADB InterfaceCorrupted By A4tech Nb-20-25-30-35-40
AuthenTec AuthenTec AES3500 TruePrint SensorCorrupted By A4tech Nb-20-25-30-35-40
Cameras, Webcams And Scanners
Intel Canon EOS 500DCorrupted By A4tech Nb-20-25-30-35-40
Video Cards
NVIDIA NVIDIA GeForce GT 640MCorrupted By A4tech Nb-20-25-30-35-40
Input Devices
Lenovo USB DeviceUp To Date and Functioning
Port Devices
Huawei HUAWEI Mobile Connect - USB Device (COM32)Up To Date and Functioning
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-20-25-30-35-40 41.14248/23/201412/27/2015a4tech_nb-20-25-30-35-40-41.1424.exe181kbHP KA770AA-ABU, ASUS W3A, HP PS139AA-ABX, HP FQ562AA-A2L m9500f, HP RN657AAR-ABA a1777c, Gateway 6840, HP HP Pavilion dv5 Notebook PC, IBM IBM System x3500 M2 Server -[783932M, EMachines EL1331-05, HP HP Compaq nw8440, Lenovo ThinkPad T530i, HP HP 620, Lenovo 3000 H230 10025, Packard Bell IMEDIA F5750, Sony SVE15117FJB, MSI AS-B05011, Toshiba SATELLITE C870-162, Gigabyte EP45T-DS3, and more.
A4tech Nb-20-25-30-35-40 3376811/9/201412/27/2015a4tech_nb-20-25-30-35-40-33768.exe164kbSeneca Pro334980, HP HP nx9000, Toshiba Dynabook TX/65DJ, Panasonic CF-SX2JE4DS, Lenovo 2007WVJ, HP NC896AAR-ABA a6863w, MouseComputer H81H3-D, IBM ThinkPad T43, Sony VGN-AW50DB_H, Panasonic CF-S8HYEDPS, Shuttle Shuttle System, and more.
A4tech Nb-20-25-30-35-40 G71.19269/20/201412/29/2015a4tech_nb-20-25-30-35-40-g71.1926.exe217kbSony VGX-TP1E, Packard Bell EASYNOTE_MX52-B-070, Dimotion LF13Z0077396, Compaq ED879AA-ABA SR1638NX NA540, NEC PC-VY22SRFEJEUL, NEC PC-MY18ABZE4, Packard Bell EASYNOTE SW85, HP FL389AA-ABZ a6675it, NEC Express5800/120Eh [N8100-1287, LG LS50-A514ZL, HP PS568AA-ABA A1019H, Compaq NY574AA-ABM CQ5205LA, Lenovo 3000 J200p Desktop, IBM 841742U, Toshiba Satellite L850-B750, Dell Vostro 1450, IBM 8123W8E, HP ProLiant WS460c Gen8 WS Blade, Gateway GM5643E, and more.
A4tech Nb-20-25-30-35-40 1.1346411/26/201412/29/2015a4tech_nb-20-25-30-35-40-1.13464.exe97kbHP ED737AA-ABS, Packard Bell Ixtreme M5741, IBM D945PLRN, Toshiba Satellite C850-B761, HP PS227AA-ABE, HP BT434AAR-ABA s5603w, Toshiba NB100/HF, Sony VGN-Z21WN_B, HP GN693AAR-ABA m9058, Sony VPCW211AD, NEC RND51078695, Sony VNG-FE25TP, MSI MS-9818, Panasonic CF-52PFNBVQP, Packard Bell IMEDIA 9206, IBM 818743F, Panasonic CF-52PFNBVQP, NEC RNF91180985, HP WE166AA-ABU p6319uk, and more.
A4tech Nb-20-25-30-35-40 1.11.1438/27/201412/29/2015a4tech_nb-20-25-30-35-40-1.11.143.exe214kbHP PRES NB CQ50-112EO, Fujitsu FMVLX60TY, LG C400-G.BC25P1, Compaq PX631AA-ABU SR1440UK GB520, Sony VGN-SZ140, Panasonic CF-W7BWAZFBE, Packard Bell IMEDIA D3013, Panasonic CF-W8FWDAJS, LG RD410-L.ADA3E2, Lenovo 2429BH6, IBM 2647LG7, and more.
A4tech Nb-20-25-30-35-40 S6281.1811/27/201412/27/2015a4tech_nb-20-25-30-35-40-s6281.18.exe100kbFujitsu PRIMERGY RX200 S6, Packard Bell EasyNote_MT85-T-001PT, Fujitsu FMVNX95UD, NEC PC-LL850SG, HP 520-1070uk, LG R580-G.BP21P1, HP DV9304EU, Fujitsu FMVNS1E3, HP Pav dv6521 mariner, Compaq ER043AA-UUB SR1618HL FD440, Gateway FX4710-UB802A, HP HP Pavilion dv6-6c73ca, IBM 8124PAT, Acer Aspire 5950G, and more.
A4tech Nb-20-25-30-35-40 420923/2/201512/30/2015tttchu-42092.exe209kbNotebook MIM2260, Toshiba PORTEGE M750, Gigabyte H61M-USB3-B3, Medion E5218, Sony VPCEB1S8E, Lenovo 1952T60, Sony PCV-HS72B, LG LM60-15166L, Toshiba Qosmio X75-A, Gateway MD7321U, Acer Aspire M1641, and more.
A4tech Nb-20-25-30-35-40 Q61.14731/7/201512/30/2015a4tech_nb-20-25-30-35-40-q61.1473.exe83kbHP PX530AA-UUZ, HP S5-1445b, Acer TravelMate 8331, Seneca Pro334980, Sony SVE1511AGJB, Panasonic CF-53AAC01FD, HP Pavilion ze5300, Sony VGN-FW17_B, HP HP Pavilion 11 x2 Notebook PC, Panasonic CF-S10DVCDP, Intel Test Product, HP Pavilion dv1000, Compal HGL30C, and more.
A4tech Nb-20-25-30-35-40 432.1671/2/201512/30/2015epzbsn-432.167.exe74kbEMachines EL1332, Sony VPCW21C7E, Lenovo ThinkPad X200, HP FJ422AA-UUW, IBM 621932U, Toshiba SATELLITE C855-1NF, HP HP Compaq nc6110, IBM 18669MG, Sony VGN-SZ3HRP_B, Packard Bell EasyNote TK36, Lenovo 209022U, Sony VGN-FZ180U, HP HP Compaq nx6120, Sony VGN-FJ90S, Sony PCG-GR5F_BP, Acer NC-V5-571P-53338G75MASS, Sony VGN-BX745FN, and more.
A4tech Nb-20-25-30-35-40 6302.12.19/29/201412/27/2015acqjznhhw-6302.12.1.exe57kbHP RZ482AA-ABF m8090.f, Toshiba Satellite C660-M21U, Sony VGC-LS31N, NEC EASYNOTE P910401306, Panasonic CF-51CCKDRBE, Sony VPCF13JFX, Sony VGN-Z690TJ, Partner D525, NEC PC-LL560MG3ER, IBM 1847Y1Y, Toshiba Satellite A100-626, and more.
A4tech Nb-20-25-30-35-40 7226212/2/201412/27/2015ty-72262.exe97kbLenovo 099343G, Packard Bell IXTREME I7202, HP GM435AA-UUW, ASUS 1015PEG, Gigabyte GA-6PXSV3, Packard Bell IPower J9000, Toshiba SATELLITE L775-13T, IBM 815772G, HP P6635c, NEC PC-MK32MEZDG, HP FL447AA-ACB a6641ru, HP FL399AA-ABZ m9495it, Lenovo 2689PZG, Toshiba Dynabook T350/56ARD, HP HP Compaq 2710p, Toshiba Dynabook REGZA PC D712/V3HWS, HP EZ082AA-ABF M7438.FR, LG E300-A.C4RRV, and more.
A4tech Nb-20-25-30-35-40 41.12.1709/1/201412/27/2015aonxne-41.12.170.exe206kbShuttle Shuttle System, Aquarius Aquarius Std, Pro, Elt, HP HP Compaq nc2400, Panasonic CF-53SAWZYMG, Sony SVE15127CDS, HP GJ345AA-UUW, IBM 2388DXU, Shuttle SB62V10, Packard Bell IMEDIA J4715 AIO, MSI GE620, RIOWORKS HDAMB, and more.
A4tech Nb-20-25-30-35-40 6273011/17/201412/27/2015-62730.exe169kbItautec LX202, FIC ATM-Q45G, Toshiba SATELLITE L850-1R7, Dell Inspiron 3646, NEC KV2, Dell Inspiron N5040, Sony SVE1412ECXP, HP HPE-430it, Toshiba SATELLITE C870D-10D, Sony VGN-NS31S_S, Panasonic CF-52JE202NW, IBM 2374WF2, HP G5320it, and more.
A4tech Nb-20-25-30-35-40 Z384010/20/201412/27/2015sjwl-z3840.exe63kbLenovo 7052-A7U, IBM NetVista personal computer, IBM 8145LUC, Gateway MT6220B, LG A510-U.AESGE2, Lenovo 23242F3, Lenovo ThinkPad R500, ASUS BA5190,A500, IBM IBM System x3400 M3 Server -[7379K3G, HP P6374A-ABG 720a, HP HP nx9000, Sony VGN-TZ35FN, and more.
A4tech Nb-20-25-30-35-40 422.1289/7/201412/27/2015tznfkwne-422.128.exe158kbLenovo 2429B56, Sony VGC-LB92S, Dimotion PCDM4J5P, Panasonic FZ-G1AAHJB1M, IBM 8115KUT, HP GX609AAR-ABA m9160f, NEC PC-LL750GD1K, HP KJ401AA-aba A6437C, MSI MS-7360, NEC MS-6303, Sony SVT131190S, Sony VGC-RA52, and more.
A4tech Nb-20-25-30-35-40 822.102.111/28/201412/30/2015inocqjlmo-822.102.1.exe125kbDialogue Flybook VM, SIE 840_P3, HP FQ562AA-A2L m9500f, SOTEC WG Series, Compaq Evo N610c 470054-655, HP Pavilion ze4600, NEC PC-VL150GS, Lenovo 10AJ0002GE, MSW GmbH & Co. KG Intel DP55WB, Prosys P5P800, Toshiba Dynabook REGZA PC D732/T7FW, EDsys EPROI5120W7P, Toshiba PT10ABX, Gigabyte T1005, HP HP Compaq dc7600 CMT, Acer Veriton S480G, and more.
A4tech Nb-20-25-30-35-40 A60932.19/15/201412/30/2015a4tech_nb-20-25-30-35-40-a60932.1.exe59kbACTION MONTANA W7HP, HP FR449AA-ABU s3621uk, Packard Bell IMEDIA D7010 NL, NEC PC-LL770BD, Toshiba SATELLITE C870-162, Sony VPCW21Z1E, Compaq PN182AA-ABS SR1210SF EL440, HP FR564AA-ABF m9356.f, IBM D945PLRN, Packard Bell Ixtreme M6639, ASUS 1225B, Intel IntelDQ965GF, IBM 2645CBH, HP Pavilion ze2000, Sony PCG-Z505SX, SOTEC WG Series, and more.
A4tech Nb-20-25-30-35-40 Z8302.12.11/10/201512/29/2015a4tech_nb-20-25-30-35-40-z8302.12.1.exe112kbHP HPE-310t, HP Compaq nx5000, HP S5680es, HP VS312AA-UUG HPE-025be, IBM 686656U, Sony VGN-TZ240N, Mitsubishi CX32VLZJTSBH, Compaq DB266A-AB1 6215KR KO910, Gigabyte G41MT-D3PT, HP KP335AA-UUW, IBM 814338G, HP DT280A-ABU, Sony VPCZ12X9R, Packard Bell IMEDIA MC 8830, IBM 808735M, HP 220-1100t, Lenovo ThinkCentre Edge 71, HP HP EliteBook 2730p, IBM IBM System x3400 M3 Server -[7379Z7X, and more.
A4tech Nb-20-25-30-35-40 2.10382.19/2/201412/30/2015a4tech_nb-20-25-30-35-40-2.10382.1.exe96kbPanasonic CF-30C4TAABM, Sony VPCM126AA, HP HP ProBook 4421s, HP 810-070ez, Sony VGN-NS38M_P, IBM 8113WSU, Lenovo ThinkCentre A70, VIA 7VTXH, Lenovo ThinkPad SL300, IBM System x3200 M3 -[7328K3G, Packard Bell NC-ENLE11BZ-4508G1TMNKS, and more.
A4tech Nb-20-25-30-35-40 W71.13882/13/201512/30/2015a4tech_nb-20-25-30-35-40-w71.1388.exe116kbCompaq PX631AA-ABU SR1440UK GB520, Packard Bell IMEDIA D7010 NL, IBM IBM System x3400 M2 Server -[7837AC1, HP 800-050ea, PrimeLine Professional-i7, HP P6-2475eo, Panasonic CF-W8GWEYZNT, Fujitsu ESPRIMO E5731, LG R560-U.ARC2BT, HP 23-d219, Gateway MX6422, HP RA933AA-ABZ, Fujitsu FMVA0300C, VOYAGEURPC Warranty 06/23/2014, and more.
A4tech Nb-20-25-30-35-40 608641/5/201512/30/2015a4tech_nb-20-25-30-35-40-60864.exe125kbMIKROLOG Power P45-CO, IBM 814132U, Panasonic CF-C1BLHBZ1M, Biostar TA75MH2, MCJ Z37S, HP FK908AA-ABG a6640a, HP Presario 2500, Sony VGN-SZ38GP, IBM 8115KUT, Lenovo ThinkCentre M58p, EVGA E679 0.0, Toshiba SATELLITE C870D-116, NEC PC-GV18YCZR6, Fujitsu S6410C, Gateway M-7343U, IBM 8114WGZ, Toshiba SATELLITE L775-13T, and more.
A4tech Nb-20-25-30-35-40 N2. PS568AA-ABA A1019H, Compaq NY574AA-ABM CQ5205LA, Lenovo 3000 J200p Desktop, IBM 841742U, Toshiba Satellite L850-B750, Dell Vostro 1450, IBM 8123W8E, HP ProLiant WS460c Gen8 WS Blade, Gateway GM5643E, LG LW65-K5JY, Sony VGN-FW180FU, HP RQ424AA-AKV s7740la, VVIKOO VI P67 PRO, and more.
A4tech Nb-20-25-30-35-40 7027910/7/201412/30/2015a4tech_nb-20-25-30-35-40-70279.exe143kbGOLDENTEC UDP NAXOS-G74L, Fujitsu FMVNFD70RC, Compaq BK129AA-AB4 CQ3230L, Lenovo 6463Y3W, HP DT280A-ABU, Sony VGN-UX71, CASPER CASPER NEO, Dell Vostro 1320, Sony VGN-FW160AE, HP KN483AA-AB8 m9242.t, MouseComputer H81H3-D, and more.
A4tech Nb-20-25-30-35-40 2.1270010/4/201412/29/2015a4tech_nb-20-25-30-35-40-2.12700.exe215kbToshiba Dynabook T642/T8HB, Sony VGN-CR356_L, Lenovo 7665WRU, Sony VGN-NS31S_S, Sony VGN-FJ90S, IBM 1832BG1, Sony VPCCB2M0E, Lenovo ThinkPad SL500c, HP RX889AAR-ABA a6040, Lenovo 7355W1J, HP FL399AA-ABZ m9495it, NT Computer ACCENT Q 6600/501, HP EP187AA-UUZ, Sony VGN-AR51J, Sony VGN-FS38LP, and more.
A4tech Nb-20-25-30-35-40 L7663/1/201512/30/2015miznam-l766.exe107kbHP HP Pavilion dv9660 Notebook PC, DIEBOLD Sierra, EMachines M5300 Series, Packard Bell IMedia D3235, Lenovo ThinkPad SL510, Lenovo ThinkPad T410s, Fujitsu FMVS90MB, Dell TT 3421, Compaq FJ469AA-ABM SG3308LA, Sony VPCCW1IGX, Toshiba SATELLITE C55-A-128, Packard Bell IMEDIA 8006, ASUS U24E, HP 23-k010qd, Sony VGNFW590GJB, Fujitsu FMVTE90YD, Sony VGNZ798Y/X, Foxconn AT-7000 Series, and more.

Please Note: There are particular operating systems known to have problems with A4tech Nb-20-25-30-35-40:
  • Windows XP Professional x64 Edition
  • Windows 8 Enterprise
  • Windows Vista Starter
  • Windows 7 Ultimate
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific A4tech Nb-20-25-30-35-40 model.
Laptop A4tech Nb-20-25-30-35-40Tablet A4tech Nb-20-25-30-35-40Download A4tech Nb-20-25-30-35-40Upgrade A4tech Nb-20-25-30-35-40Update A4tech Nb-20-25-30-35-402016 A4tech Nb-20-25-30-35-40Free A4tech Nb-20-25-30-35-40Data A4tech Nb-20-25-30-35-40Info A4tech Nb-20-25-30-35-40Help A4tech Nb-20-25-30-35-40Guide A4tech Nb-20-25-30-35-40Comments A4tech Nb-20-25-30-35-40Windows 10 A4tech Nb-20-25-30-35-40Vista A4tech Nb-20-25-30-35-40Windows 7 A4tech Nb-20-25-30-35-40Install A4tech Nb-20-25-30-35-40