10/24/2016 new driver models for direct download:567
A4tech Kb(s)-21535rp 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for A4tech Kb(s)-21535rp
Certifications for A4tech Kb(s)-21535rp
5 stars for A4tech Kb(s)-21535rp "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 10/24/2016 Updates

All drivers on are updated on daily basis.

However, a new version of A4tech Kb(s)-21535rp might have been uploaded since our last site update.

A4tech Kb(s)-21535rp Driver Download

Windows Compatibility for A4tech Kb(s)-21535rp driver

A4tech Kb(s)-21535rp Driver Details:

A4tech Kb(s)-21535rp File Name: a4tech_kb(s)

A4tech Kb(s)-21535rp Driver Version: 634KY

A4tech Kb(s)-21535rp ZIP Size: 146.kb

Manufacturer: A4tech

A4tech Kb(s)-21535rp was fully scanned at: 10/23/2016
Scan Status: driver download scanOK

A4tech Kb(s)-21535rp special revision for: Windows XP Professional 32 bit, Windows 7 Home Basic 64 bit, Windows XP Tablet PC Edition 64 bit, Windows Vista Home Basic 64 bit, Windows 7 Starter 32 bit, Windows Vista Home Premium 64 bit, Windows 7 Ultimate 32 bit, Windows 7 Enterprise (Microsoft Windows NT) 32 bit, Windows XP Media Center Edition 64 bit, Windows Vista Starter 64 bit, Windows XP Home Edition, for home desktops and laptops 64 bit, Windows 8 64 bit, Windows Vista Enterprise (Microsoft Windows NT 6.0.6000.0) 64 bit

A4tech Kb(s)-21535rp Download Stats:

Driver Uploaded: 9/24/2016

Direct Downloads: 478
Most Recent Download: 10/23/2016
Managed Downloads: 3858
Most Recent Download: 10/22/2016
Download Mirrors: 4
Current Delay: 9 Seconds
Driver License: General Public License

Direct Download Success Stats:

Reports Issued By 365/478 Users

Success Reported By 95/365 Users

Driver Download Score67/100

Driver Installation Score66/100

Overall preformance Score72/100

A4tech Kb(s)-21535rp 18 Thumbs Up18Thumbs
A4tech Kb(s)-21535rp 3 Thumbs Down3Thumbs
A4tech Kb(s)-21535rp 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 2995/3858 Users

Success Reported By 2330/2995 Users

Driver Download Score95/100

Driver Installation Score93/100

Overall preformance Score91/100

A4tech Kb(s)-21535rp 2263 Thumbs Up2263Thumbs
A4tech Kb(s)-21535rp 133 Thumbs Down133Thumbs
A4tech Kb(s)-21535rp 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 Kb(s)-21535rp 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 Kb(s)-21535rp + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing A4tech Kb(s)-21535rp, or the driver installation manager, take a few minutes to send us a report:
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Please register, and get one.

Other drivers most commonly associated with A4tech Kb(s)-21535rp problems:

A4tech Kb(s)-21535rp 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 Kb(s)-21535rp disfunctions.

Scan performed on 10/24/2016, Computer: IBM ThinkPad T42

Outdated or Corrupted drivers:8/19

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) QuickPath Interconnect - D151Outdated
Mice And Touchpads
KYE HID mouseUp To Date and Functioning
Usb Devices
Logitech Webcam Pro 9000Up To Date and Functioning
Cypress Standard-USB-HubOutdated
Initio INI-T640Outdated
Sound Cards And Media Devices
China USB2.0 Video CaptureUp To Date and Functioning
Network Cards
Realtek Realtek RTL8191SE Wireless LAN 802.11n PCI-E NICUp To Date and Functioning
Microsoft HID KeyboardCorrupted By A4tech Kb(s)-21535rp
Hard Disk Controller
Intel(R) 82801FB Ultra ATA Storage Controllers - 2651 - 2651&CC_0101Corrupted By A4tech Kb(s)-21535rp
Google USB Composite DeviceOutdated
Intel Intel(r) AIM External TV Encoder Driver 0Outdated
Acronis Seagate DiscWizard Image Backup Archive ExplorerUp To Date and Functioning
AuthenTec Biometric CoprocessorUp To Date and Functioning
Cameras, Webcams And Scanners
Canon Canon MP560 serUp To Date and Functioning
Video Cards
NVIDIA NVIDIA GeForce4 MX 440Up To Date and Functioning
Input Devices
Logitech USB-HID (Human Interface Device)Up To Date and Functioning
Port Devices
Huawei HUAWEI Mobile Connect - USB Device (COM32)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Corrupted By A4tech Kb(s)-21535rp
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning

Scan performed on 10/24/2016, Computer: HP Presario R4000

Outdated or Corrupted drivers:10/24

Device/DriverStatusStatus DescriptionUpdated By Scanner
Microsoft Concentrador de controladora de memoria Intel (R) E7320 - 3590Up To Date and Functioning
Mice And Touchpads
NEC VersaGlideUp To Date and Functioning
(Standard mouse types) HID mouseUp To Date and Functioning
Microsoft Microsoft USB Wheel Mouse OpticalOutdated
Usb Devices
HTC ALLVIEW A4ALLCorrupted By A4tech Kb(s)-21535rp
Alcor WebCamUp To Date and Functioning
Sound Cards And Media Devices
NVIDIA NVIDIA HDMI Audio DeviceCorrupted By A4tech Kb(s)-21535rp
Creative Creative SB Audigy 2 ZS (WDM)Corrupted By A4tech Kb(s)-21535rp
DisplayLink Lenovo USB AudioUp To Date and Functioning
Network Cards
Intel(R) Centrino(R) Advanced-N 6235Up To Date and Functioning
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
VIA VIA Bus Master IDE Controller - 5324Up To Date and Functioning
Intel(R) 82810 Graphics Controller (Microsoft Corporation)Corrupted By A4tech Kb(s)-21535rp
ClockworkMod CDC SerialUp To Date and Functioning
Intel Intel(r) AIM External Flat Panel Driver 2Up To Date and Functioning
Nokia Nokia USB LCIFUp To Date and Functioning
Nokia Nokia 5230 USB Phone ParentCorrupted By A4tech Kb(s)-21535rp
Nokia S60 HandsetCorrupted By A4tech Kb(s)-21535rp
Cameras, Webcams And Scanners
Canon Canon MP560 serCorrupted By A4tech Kb(s)-21535rp
Video Cards
Intel(R) 82945G Express Chipset Family (Microsoft Corporation - WDDM 1.0)Up To Date and Functioning
Input Devices
Lenovo Lenovo USB Optical Wheel Mouse (HID)Up To Date and Functioning
Port Devices
Prolific Prolific USB-to-Serial Bridge (COM6)Corrupted By A4tech Kb(s)-21535rp
Sony Digital Flat Panel (1024x768)Corrupted By A4tech Kb(s)-21535rp
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
A4tech Kb(s)-21535rp P4028011/8/201412/27/2015a4tech_kb(s)-21535rp-p40280.exe32kbLenovo 10245BG, IBM 8305S8U, Fujitsu FMVXN6EG2Z, HP EC581AA-B1U, Panasonic CF-Y5LW8AXS, Fujitsu PRIMERGY RX200 S7, Lenovo ThinkPad Edge E431, Fujitsu FMVNFD85D, Toshiba SATELLITE C855-19N, Toshiba Satellite C850-B761, and more.
A4tech Kb(s)-21535rp F7071.1010/10/201412/28/2015a4tech_kb(s)-21535rp-f7071.10.exe181kbHP HP Compaq nc6110, LG R580-UAAD6BT, IBM 265244G, Panasonic CF-31UEUJDDA, LG R580-G.BP21P1, Sony PCG-FX602, HP PC106A-ABA a610, Panasonic CF-52RE301QW, Panasonic CF-19KDRC66M, HP WK677AA-ABD p6315de, HP HP ProBook 5330m, HP KZ848AAR-ABA a6510t, HP EZ009AA-AB3 a1575l, NEC PC-LL850SG, Sony VPCW12S1R, Acer Aspire 1601M, MSI MS-A95311, EMachines EL1352, Toshiba SATELLITE L850-A903, and more.
A4tech Kb(s)-21535rp 702.16912/4/201412/27/2015a4tech_kb(s)-21535rp-702.169.exe169kbDimotion PCDO5V3, HP KE483AA-UUZ, HP PW579AA-ABG m7088a, Lenovo ThinkPad X200s, ASUS ESC4000 G2 Series, IBM 2388DXU, Supermicro C7Q67, IBM 8184MMY, HP KT439AA-AB4 a6545d, Fujitsu FMVNS1E3, Apple Macmini1,1, HP ES116AA-B14, Fujitsu FMVMG75YD5, Lenovo ThinkCentre A55, Compaq NY682AA-AR6 CQ3132L, Sony VGC-LB92HS, Dell PowerEdge R220, and more.
A4tech Kb(s)-21535rp 1.13491.13/3/201512/30/2015a4tech_kb(s)-21535rp-1.13491.1.exe213kbSony VGN-AR91PS, NEC PC-VJ22MAUZHTTV, Panasonic CF-50GAKUUKM, NEC PC-MY26XHZE1, LG R580-G.BP21P1, HP HPE-413at, MSI MS-7327, HP S5-1310t, Fujitsu FMV5NUBJH3, Panasonic CF-18KH2ZXBC, Compaq DQ119A-ABZ S5400IT IT340, Advantech UNO-2178A, and more.
A4tech Kb(s)-21535rp 21.10612/1/201412/29/2015mswj-21.106.exe140kbIBM 2669WCC, IBM 2662MQG, HP Presario R3000, Compaq RK539AAR-ABA SR2173WM, Lenovo ThinkCentre A63, Fujitsu FMVNF40UBJ, Sony SVL2412V1EB, Fujitsu Amilo A1665G Series, IBM 621910U, Fujitsu PRIMERGY RX200 S8, Sony VGN-CS60B_Q, Panasonic CF-19KHRAXAG, Sony VGN-TZ170C, HP KJ415AA-AB4 m9290d, Dell Inspiron M4040, Shuttle Shuttle System, and more.
A4tech Kb(s)-21535rp 830721/2/201512/28/2015a4tech_kb(s)-21535rp-83072.exe81kbSAMSUN P580, Panasonic CF-19HH165NW, Viglen VIG615M, Sony VGN-BZ13XN, Acer Aspire 1425P, Sony VPCEH40EBW, Panasonic CF-W8GWEZFN2, Sony SVE15135CVB, HP NY545AAR-ABA p6210y, Sony SVE14A35CVPI, IBM IBM eServer 206m -[8485PEE, Sony VGNFW463J/B, NEC PC-VG32VVZMM, Sony VGN-SZ56LN_B, NEC PC-VY20MAZ79, and more.
A4tech Kb(s)-21535rp 71.198412/2/201412/30/2015a4tech_kb(s)-21535rp-71.1984.exe25kbSony VGN-TZ330E, HP A1412n-aba a1000, Gateway P-7803h, Sony VPCEC2E9E, AnabelleB Argyle M261V, HP S5770uk-m, HP Pav dv6521 mariner, NEC PC-LL5006D2DR, HP PAVILION DV8000, IBM Eserver xSeries 335 -[8676LSX, HP HP Pavilion dv8000, HP P6622cs, SYX SYX-DP67BG-Extreme, IBM 8187QG7, IBM 8171Z5S, and more.
A4tech Kb(s)-21535rp 83031.110/18/201412/30/2015a4tech_kb(s)-21535rp-83031.1.exe110kbSony VPCSA3S9R, LG R590-PR70K, Toshiba Dynabook EX1/524CDE, MSI MS-A95311, Compaq KY775AA-AB1 CQ3010KL, LG R590-XR7WK, AT ALSEN PROFI 41G, Fujitsu FMVLRD50P, Panasonic CF-W2EC1AXS, HP KE485AA-UUZ, and more.
A4tech Kb(s)-21535rp N1.11.1689/30/201412/28/2015a4tech_kb(s)-21535rp-n1.11.168.exe213kbSAMSUN R509, IBM System x3300 M4 -[7382E3G, IBM 2672RD3, IBM 8185LUZ, HP WC694AA-UUG HPE-110be, LG R580-L.B241P1, Sony VGN-SZ2HP_B, HP HP Compaq nc4010, Sony SVE15127CAP, LG R490-G.AAH1RE2, and more.
A4tech Kb(s)-21535rp 424901/12/201512/28/2015a4tech_kb(s)-21535rp-42490.exe60kbToshiba SATELLITE C855-1X3, Acer Aspire 5670, CompUSA PC Work Series, IBM 6221RYU, IBM 8215A64, HP Pavilion dv5000, IBM 2722M3U, Sony VGX-XL2A, Acer Extensa 7230, Intel Edusmart P-168, NEC PC-MK29MLZDF, Sony VGN-SZ32GP_B, HP P6540d, Compaq FQ552AA-ABA SR5616F, IBM ThinkCentre M51, and more.
A4tech Kb(s)-21535rp 721.1698/22/201412/27/2015a4tech_kb(s)-21535rp-721.169.exe42kbHP HP Pavilion dv4 FT194EA#ABE, Panasonic CF-Y8FW8CJS, IBM 8171Z5S, IBM 8171VRJ, LG R470-KRW5K, EMachines Emachines D525, Lenovo 7373WG6, THEIS TH-P925/945G7MD-8KS2HV/1024/80/Profi-Towe, Sony VGN-SZ3HRP_B, Toshiba NB100/HF, Datateknik EXPER, ASUS 900, HP 23-k010qd, IBM 8114E9G, Sony VGN-CR356_L, Lenovo ThinkPad T400, and more.
A4tech Kb(s)-21535rp P2.109402/4/201512/30/2015a4tech_kb(s)-21535rp-p2.10940.exe68kbHP HP ProBook 5330m, HP KZ848AAR-ABA a6510t, HP EZ009AA-AB3 a1575l, NEC PC-LL850SG, Sony VPCW12S1R, Acer Aspire 1601M, MSI MS-A95311, EMachines EL1352, Toshiba SATELLITE L850-A903, LG R580-UP75K, HP HP Compaq 2710p, HP FJ470AAR-ABA m9357c, LG R405-A.CPF1E1, HP Pav dv6521 mariner, Seneca V68357, Intel S3420GP, Sony VPCF13JFX, Toshiba Dynabook R634/E25K, HP PL494AA-B14, and more.
A4tech Kb(s)-21535rp VPCW221AX, WIPRO Wsg15886, Lenovo 6457W8Q, Gateway J6452, Compaq VN458AA-UUW CQ5210SC, Toshiba Satellite A110-293, HP P6-2485eo, HP NC896AAR-ABA a6863w, Gigabyte GA-E7AUM-DS2H, Systemax Si X58 Game, Toshiba SATELLITE C870-12E, Lenovo 10AH0016US, Lenovo ThinkCentre Edge 72z, Compaq NC696AA-ABA SR5000, Lenovo ThinkPad Edge E530, Sony VGN-P35GK_R, LG A510-U.AESGE2, and more.
A4tech Kb(s)-21535rp 701.1201/17/201512/30/2015a4tech_kb(s)-21535rp-701.120.exe132kbHP P6-2018es, Panasonic CF-19KDRC66M, IBM EServer xSeries 365 -[88625RX, Sony VNG-FE25TP, HP NM953AA-UUW p6054sc, HP P6721f, LG P2-TP2007, HP HP Compaq dx2390 Microtowe, NEC PC-GV21YTZU6, ASUS G70Sg, HP HP Pavilion DV9000, Acer NC-E1-531-B9604G, Compaq DB266A-AB1 6215KR KO910, Fujitsu FMVNF40UBJ, Toshiba NB300-10D, HP HP Compaq dc7100 CMT, LG LS50-UG5F1, Acer V3-771, WIPRO WSG37455V-0008, and more.
A4tech Kb(s)-21535rp 730292/9/201512/30/2015mikd-73029.exe99kbIBM 1871Y16, Toshiba Satellite C660-196, Gateway 4800 Series, TEKNOSERVICE TTL TEKNOPRO, HP PN065AA-ABA Z540, MDGComputers Prism Vx7500VTi, Toshiba SATELLITE C850-1P6, RM Plc W761tg, Fujitsu S6410C, Creative AIO1900 Series, NEC PC-VY17FDFER, Panasonic CF-19KDR01CE, and more.
A4tech Kb(s)-21535rp 61.181.181/2/201512/29/2015a4tech_kb(s)-21535rp-61.181.18.exe88kbPanasonic CF-S9LWEJPS, Lenovo 2007WVJ, Fujitsu D2179-R1, Toshiba Dynabook Satellite J62 166D/5X, NEC PC-MK32MEZDG, Panasonic CF-W4GW9AXP, Lenovo 8927W1L, Toshiba TECRA A2, IBM IBM eServer 206m -[848510U, Fujitsu FMVNFD75RG, HP P9921A-ABA 743c, HP VS417AA-ABF s5224f, Shuttle SD10, HP HP Compaq dc5100 MT, HP HP Pavilion dv6-6c73ca, HP PS373AA-B14, LG Z1-B821P1, Compaq PC139A-ABA SR1115CL NA431, and more.
A4tech Kb(s)-21535rp 83702.110/28/201412/27/2015a4tech_kb(s)-21535rp-83702.1.exe134kbSony VGN-FE17SP, Toshiba PORTEGE M750, Toshiba Dynabook T552/58HKD, Lenovo ThinkPad T510i, Compaq RK531AA-ABG SR1985AN AP680, LIGHTEDGE 965LTCK, CASPER CASPERPRO, Sony VPC-M120AB, HP HP Compaq 2510p, Haier H53, HP P6-2201sem, HP H9-1168hk, Lenovo 1952T60, HP Pavilion G60-418CA, Compaq P8657J-ABA SR1000Z NA441, Packard Bell IMEDIA J4715 AIO, HP Compaq 6200 Pro SFF PC, NEC PC-VW970BS, and more.
A4tech Kb(s)-21535rp 1.122.18211/4/201412/27/2015a4tech_kb(s)-21535rp-1.122.182.exe144kbToshiba SATELLITE PRO L770-149, Sony VNG-FE25TP, LG P310-K.CPW1A9, NEC EASYNOTE PB41Q00006, Panasonic CF-30CASEZBM, Supermicro X9DRW-7/iTPF, Toshiba Satellite C660-2KF, HP S5-1435d, Sony VGN-TZ73B, Gigabyte Z97X-UD5H, Gateway M-7343U, ODM V10IL, ECS M830, and more.

Please Note: There are particular operating systems known to have problems with A4tech Kb(s)-21535rp:
  • Windows Vista Ultimate
  • Windows Vista Business
  • Windows XP Starter Edition
  • Windows 8
  • Windows 7 Home Basic
  • Windows Vista Home Basic
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific A4tech Kb(s)-21535rp model.
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