2/23/2017 new driver models for direct download:601
A4tech Kl(s)-50 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for A4tech Kl(s)-50
Certifications for A4tech Kl(s)-50
5 stars for A4tech Kl(s)-50 "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 Kl(s)-50 might have been uploaded since our last site update.

A4tech Kl(s)-50 Driver Download

Windows Compatibility for A4tech Kl(s)-50 driver

A4tech Kl(s)-50 Driver Details:

A4tech Kl(s)-50 File Name: a4tech_kl(s)

A4tech Kl(s)-50 Driver Version: 756z7J

A4tech Kl(s)-50 ZIP Size: 148.kb

Manufacturer: A4tech

A4tech Kl(s)-50 was fully scanned at: 2/20/2017
Scan Status: driver download scanOK

A4tech Kl(s)-50 special revision for: Windows 10 32 bit, Windows Vista Enterprise (Microsoft Windows NT 6.0.6000.0) 32 bit, Windows XP Professional N 64 bit, Windows XP 64-bit Edition 32 bit, Windows 8 Enterprise 32 bit, Windows Vista Ultimate 64 bit, Windows 7 Starter 64 bit, Windows Vista Business 32 bit

A4tech Kl(s)-50 Download Stats:

Driver Uploaded: 2/21/2017

Direct Downloads: 342
Most Recent Download: 2/22/2017
Managed Downloads: 3310
Most Recent Download: 2/22/2017
Download Mirrors: 2
Current Delay: 16 Seconds
Driver License: GPL

Direct Download Success Stats:

Reports Issued By 337/342 Users

Success Reported By 51/337 Users

Driver Download Score68/100

Driver Installation Score68/100

Overall preformance Score67/100

A4tech Kl(s)-50 11 Thumbs Up11Thumbs
A4tech Kl(s)-50 2 Thumbs Down2Thumbs
A4tech Kl(s)-50 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 2632/3310 Users

Success Reported By 2106/2632 Users

Driver Download Score96/100

Driver Installation Score98/100

Overall preformance Score94/100

A4tech Kl(s)-50 2006 Thumbs Up2006Thumbs
A4tech Kl(s)-50 231 Thumbs Down231Thumbs
A4tech Kl(s)-50 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 Kl(s)-50 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 Kl(s)-50 + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing A4tech Kl(s)-50, 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 Kl(s)-50 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 Kl(s)-50 disfunctions.

Scan performed on 2/23/2017, Computer: Lenovo ThinkPad T430s

Outdated or Corrupted drivers:8/17

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) ICH9M/M-E 2 port Serial ATA Storage Controller 2 - 292DUp To Date and Functioning
Mice And Touchpads
(Standard mouse types) HID mouseUp To Date and Functioning
Usb Devices
Hewlett-Packard HP Deskjet D2600 (DOT4USB)Up To Date and Functioning
Sound Cards And Media Devices
Motorola Motorola SM56 Speakerphone ModemCorrupted By A4tech Kl(s)-50
Advanced Micro Devices High Definition-audioapparaatUp To Date and Functioning
Pinnacle Pinnacle PCTV 310i Capture DeviceUp To Date and Functioning
Network Cards
D-Link D-Link AirPlus G DWL-G122 Wireless USB Adapter(rev.C)Outdated
Microsoft Keyboard Device FilterOutdated
Hard Disk Controller
Advanced Micro Devices AMD PCI IDE ControllerCorrupted By A4tech Kl(s)-50
ULi Intel(R) 82801DB/DBM USB 2.0 forbedret vertskontroller - 24CDOutdated
Intel Intel(r) AIM External TV Encoder Driver 3Outdated
Cameras, Webcams And Scanners
EPSON EPSON Stylus CX6400Up To Date and Functioning
Video Cards
Intel Video Controller (VGA Compatible)Up To Date and Functioning
Input Devices
Microsoft Microsoft Hardware USB MouseUp To Date and Functioning
Port Devices
hspa Modem Application1 port (COM4)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Outdated
Mobile Phones And Portable Devices
Acer NOKIACorrupted By A4tech Kl(s)-50

Scan performed on 2/23/2017, Computer: NEC EASYNOTE PB47S00286

Outdated or Corrupted drivers:10/20

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) 7 Series/C216-Chipsatzfamilie - PCI Express-Stammport 4 - 1E16Up To Date and Functioning
Mice And Touchpads
Microsoft Microsoft USB IntelliMouse OpticalCorrupted By A4tech Kl(s)-50
Synaptics PS/2 Compatible MouseUp To Date and Functioning
Usb Devices
Renesas Renesas Electronics USB 3.0 Root HubOutdated
Sound Cards And Media Devices
Realtek ATI HDMI AudioCorrupted By A4tech Kl(s)-50
IC Plus Unimodem Half-Duplex Audio DeviceCorrupted By A4tech Kl(s)-50
Network Cards
Realtek Realtek RTL8188CE Wireless LAN 802.11n COMBO PCI-E NICOutdated
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
Intel SATA AHCI -vakio-ohjainUp To Date and Functioning
Intel(R) Graphics Platform (SoftBIOS) DriverUp To Date and Functioning
Intel Intel(r) AIM External TV Encoder Driver 5Up To Date and Functioning
Datel Design & Development DSi AR HW ProgUp To Date and Functioning
Broadcom ThinkPad Bluetooth 4.0Up To Date and Functioning
Nokia Nokia 5230 USB Phone ParentCorrupted By A4tech Kl(s)-50
Cameras, Webcams And Scanners
Canon CanoScan LiDE 110Corrupted By A4tech Kl(s)-50
Video Cards
ATI RADEON X300 Series SecondaryCorrupted By A4tech Kl(s)-50
Input Devices
Wacom Wacom TabletCorrupted By A4tech Kl(s)-50
Port Devices
Huawei Vodafone Mobile Broadband Secondary Port Modem (Huawei) (COM28)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Outdated
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
A4tech Kl(s)-50 Q31.168811/2/201412/27/2016j-q31.1688.exe93kbHP NP169AA-ABM p6130la, Compaq Presario 7RPM11 195749-999, Biostar TForce 550, YASHI TPower X58, HP FK908AA-ABG a6640a, IBM ThinkPad T41, Gateway DX441X, NEC PC-MJ30VEZE1, Sony VPCEB4E9R, HP PS378AA-ABN, HP Compaq Presario C700 KQ185EA#ABE, Packard Bell IXtreme X9240, Sony VGN-FW550F, Lenovo ThinkCentre Edge 72z, and more.
A4tech Kl(s)-50 41.171.199/9/201412/30/2016a4tech_kl(s)-50-41.171.19.exe185kbHP KE530AA-ABD a6212de, NEC PC-VG32VVZMM, IBM 921035M, Sony VGC-JS50_S, Sony VPCCW1TFX, NEC MS-6303, Lenovo ThinkPad R500, ByteSpeed BYTESPED, Toshiba SATELLITE C50-A-1HX, HP PS414AA-AB5 W1268HK, HP FR378AA-ABH, Lenovo 3000 J115 Desktop, ACTION MONTANA W7HP, HP KZ692AA-ABU, NCR 7457-3500-8801, Supermicro X9DRW-7/iTPF, Lenovo 43772KM, Sony VGN-NS225J, HP EP127AA-ABD a123l, and more.
A4tech Kl(s)-50 1.134422/16/201512/29/2016a4tech_kl(s)-50-1.13442.exe105kbHP PX662AA-AB9, AT COMFOR OFFICE I10 SI, HP HP Compaq 6710b, Matsonic MS9387E, HP KE483AA-UUZ, Avermedia TS-400 Series, Compaq DD377A-ABX 6680 FI110, Sony VGNBZ579N03, Sony VGN-TT46MG_B, IBM ThinkPad T23, IBM 818944U, and more.
A4tech Kl(s)-50 61.1681.110/28/201412/28/2016a4tech_kl(s)-50-61.1681.1.exe73kbLenovo ThinkStation S10, Lenovo 6069W1R, IBYTE AS471100, Lenovo ThinkPad T510, NEC PC-MK29MLZE1RJG, ARLT Computer Produkte Mr. Whisper X R3, HP HP Compaq 8200 Elite CM, Lenovo 1S1680036940055, Toshiba Dynabook Satellite T772/W5TG, Dell OptiPlex 760, Fujitsu FMVNFC50WG, Packard Bell EASYNOTE SW86, SAMSUN 100NZA, VMware VMware7,1, LG R560-CR20K, and more.
A4tech Kl(s)-50 202429/17/201412/27/2016a4tech_kl(s)-50-20242.exe140kbCompaq VN458AA-UUW CQ5210SC, Lenovo 19514ZU, HP KT334AAR-ABA m8530f, Toshiba Satellite S50-A0317, ZEPTO Znote 6515WD, Intel C16, Acer C-VX2611G, Acer Aspire 9810, HP EC577AA-B1U, HP PW579AA-ABG m7088a, Panasonic CF-R8EWBAAP, Toshiba Dynabook R634/E25K, Dimotion PCDBS09P, HP CQ1160FRm, HP KT334AAR-ABA m8530f, Mitsubishi CX25XCZOTSBF, and more.
A4tech Kl(s)-50 T81.11.1989/22/201412/28/2016a4tech_kl(s)-50-t81.11.198.exe177kbSony VGN-FW43G_B, Lenovo 4236SUS, Toshiba Satellite C850D-DSK, Toshiba SATELLITE PRO C50-A-1HZ, Toshiba Dynabook R731/W2MB, ALFATRON SpA DN1020/M, Compaq NC696AA-ABA SR5000, Fujitsu PRIMERGY TX140 S1, HP Envy 15 Notebook PC, HP Presario V4000, HP B7G83EA#ABF, HP DF162A-ABH T160, Packard Bell IMEDIA MC 8830, HP P6772l, Lenovo ThinkCentre M78, HP NQ893AA-ABU p6004uk, and more.
A4tech Kl(s)-50 1.11.107310/10/201412/27/2016a4tech_kl(s)-50-1.11.1073.exe99kbGateway GT5094j, Toshiba SATELLITE C855-1ME, Fujitsu FMVNFB70BZ, Toshiba Qosmio F50, IBM 622351U, Toshiba SATELLITE L850D-130, Fujitsu FMVNF50WWJ, NEC PC-LL700ED, IBM IBM System x3450 79483CX, HP EP086AA-ABS, Toshiba SATELLITE C855-1QG, Packard Bell ISTART MC 9100 AIO EU, HP CQ1150FRm, Sony VGN-FW250J, EMachines EL1332, NEC PC-VY22XRXEAAFM, Acer Aspire 3810TZG, Sony VGN-FE770G, Fujitsu FMVA42EWB, and more.
A4tech Kl(s)-50 633889/18/201412/27/2016a4tech_kl(s)-50-63388.exe78kbSAMSUN 400B4A/400B5A/200B4A/200B5A, HP HP Compaq 7900, CASPER CASPER NEO, Acer Extensa 7230, Toshiba SATELLITE L875-12M, Sony VGN-B250FP, Infoquest QuestPC, NEC PC-GV286VZAU, Fujitsu ESPRIMO E7935, Fujitsu LIFEBOOK S 7020, Toshiba Satellite R630, NEC EASYNOTE P910401306, Compaq DC477A-ABA S3100NX NA111, HP T3735tr-AB8 RR879AA, TRADING-PC DATASTATION ACTIV SERIES, Samsung SQ45/Q70C/P200, NEC Express5800/56Xd [N8000-576, IBM 8123W8E, and more.
A4tech Kl(s)-50 J1.11.148610/2/201412/27/2016a4tech_kl(s)-50-j1.11.1486.exe171kbHP P6-2006es, Lenovo 20B70034SG, LG R580-UP75K, Gateway MT6220B, IBM 2647LG7, Sony VGN-NW305F, ASUS B400AV, Dell XPS A2020, NEC PC-MY28VLZEJ, Sony VGN-TZ27GN_B, Sony VPCL21M9E, Sony VGN-FW180FU, Dell Dimension 9100, HP HPE-550be, HITACHI FLORA 330 DG5, Panasonic CF-SX2JE4DS, and more.
A4tech Kl(s)-50 81.102812/29/201412/28/2016a4tech_kl(s)-50-81.1028.exe105kbNEC EASYNOTE P910401306, NEC PC-MY24RAZ75, Toshiba Satellite T130-11U, HP HP EliteBook 8460p, Sony SVE14112ENB, HP KZ771AA-UUZ, LG FS-2A35A, HP HP Compaq dx6100 MT, HP KJ439AA-AB2 g3328cx, Gigabyte G41MT-D3V, LG X200-NS5BK, IBM 8114W19, HP KZ692AA-ABU m9373.UK, Toshiba Dynabook CX/45AB, Itautec LX202, HP GS292AA-ABG a6150a, Sony VGN-NS110D, and more.
A4tech Kl(s)-50 2040312/26/201412/30/2016a4tech_kl(s)-50-20403.exe23kbSony VGN-FW55LF_B, HP KN283AA-ABM s3445la, Toshiba SATELLITE C50-A-14V, IBM 2662MQG, Fujitsu FMVNA1C3C, NEC PC-LL550VG3EW, Lenovo 3000 G530 Notebook, Sony VGC-LS30E, Sony VGN-TZ37GN_N, Sony PCG-Z1WAMP, HP GG020AA-AB3 g3085l, Sony VGN-UX1XN, HP 100-5010b, and more.
A4tech Kl(s)-50 802.1409/5/201412/27/2016ehc-802.140.exe129kbHP FR378AA-ABH, Lenovo 3000 J115 Desktop, ACTION MONTANA W7HP, HP KZ692AA-ABU, NCR 7457-3500-8801, Supermicro X9DRW-7/iTPF, Lenovo 43772KM, Sony VGN-NS225J, HP EP127AA-ABD a123l, HP HP 510 Notebook PC, Lenovo ThinkPad T530i, Leading Edge LECQ43SOHO, IBM 2373B37, Lenovo ThinkCentre M92, Sony SVF1532C4E, NEC EASYNOTE PB47S00186, and more.
A4tech Kl(s)-50 3306010/27/201412/29/2016a4tech_kl(s)-50-33060.exe131kbHP GU631AA-UUW, Lenovo 7484W76, Fujitsu FMVNFB70BK, NEC PC-MY26RAZ77S96, Sony VGN-FE17SP, NEC NEC_VERSA_P570, HP HP ProBook 4520s, HP 600-1210ch, Sony VGC-LS30E, IBM ThinkPad X31, Compaq EK360AA-ABZ SR1659IT IT540, NEC PC-VN750RG6B, and more.
A4tech Kl(s)-50 2.1221.109/3/201412/28/2016a4tech_kl(s)-50-2.1221.10.exe163kbNEC PC-MK31MEZCE, IBM NetVista personal computer, NEC PC-LL750ES3KS, Toshiba Dynabook Qosmio D711/T9CB, Fujitsu FMVTE90YD, Zoostorm 7010-0276A, Toshiba Satellite C850-B761, Sony VPCSB3AJ, HP HP Pavilion zd7000A, HP HP Compaq 6730b, and more.
A4tech Kl(s)-50 M41.12.18912/13/201412/28/2016a4tech_kl(s)-50-m41.12.189.exe162kbHP HP Pavilion dv5000 ES248EA#ABD, Sony VPCCW1MFX, Sony VGN-TT46LG_R, Acer Aspire 5940G, Fujitsu FMVA42EWKS, LG P100-S.AB09E, SAMSUN 350V, Panasonic CF-19TH187QW, HP HP ProBook 4710s, ASUS U24E, Sony VGN-TZ3RMN_N, ICP / IEi IMBA-Q454, HP PY142AA-AB3 w5180d, NEC PC-MK29MLZDF, HP ER183AA-ABZ, Toshiba Dynabook T552/36FBK, LG S1-P655R1, HP VC758AA-ABZ p6120it, IBM 2373X1E, and more.
A4tech Kl(s)-50 31.13010/17/201412/27/2016a4tech_kl(s)-50-31.130.exe39kbHP GN693AAR-ABA m9058, Fujitsu FMVMG75YD5, Lenovo ThinkPad Z61m, Sony VPCY119FJ, LG R580-U.ARD2BE1, Dell PowerEdge 1800, IBM 2645CBH, Fujitsu S6410C, Dell L550cx, Dell OptiPlex 760, MSI GE620, Gigabyte M912, and more.
A4tech Kl(s)-50 3406610/21/201412/30/2016a4tech_kl(s)-50-34066.exe86kbHP KQ519AA-ABU, LG R560-U.ARC3BT, HP GX609AA-A2L m9160f, Acer Veriton X2631, ECS HDC-I, ICP / IEi KINO-945GSE, Packard Bell IMedia D9235, NEC VERSAL2101 RND51047895, HP 500-108eo, Medion E5218, HP NC829AAR-ABA a6857c, Toshiba Satellite C850-B843, HP VG292AA-ABD p6202de, and more.
A4tech Kl(s)-50 P2.1397412/5/201412/27/2016a4tech_kl(s)-50-p2.13974.exe205kbGateway GT5418E, NEC EASYNOTE PB47S00186, Lenovo ThinkPad Z61t, Panasonic CF-30KTP48NL, Toshiba SATELLITE C850-1P6, LG RB380-A.AFLGL, HP GS210AA-ABV dx2290MT, NEC PC-VK21LLNT3GSC, WIPRO WSG48105V-0015, HP EG763AA-B14, HP HP d230 MT, Medion P7618, Compaq GC662AA-ABA SR5113WM, EMachines Emachines D525, Sony VOA, and more.
A4tech Kl(s)-50 41.109710/12/201412/28/2016fgtmezuah-41.1097.exe20kbToshiba Satellite L500D, Acer V3-771, Sony VPCEA37FG, Lenovo ThinkCentre M55p, Sony VGN-CR510D, Sony VGN-FE90PS, NEC PC-MY30XEZE3, SAMSUN 3570R/370R/470R/450R/510R/4450RV, Packard Bell OneTwo M3450, IBM 26478RG, HP HP Pavilion ze2000, IBM 2388DXU, Toshiba Dynabook EX/35LWH, Gigabyte GA-6PXSV3, SAMSUN M2410, and more.
A4tech Kl(s)-50 J204008/23/201412/27/2016a4tech_kl(s)-50-j20400.exe106kbIBM 819437U, HP 600-1210ch, HP HP Compaq nx6325, Panasonic CF-W7DWM07JM, Sony VPCF13JFX, Acer C-VX2611G, ECS 331, Sony VGN-Z17GN_B, Supermicro X9DRL-7F, Fujitsu PRIMERGY RX350 S7, LG LB50-CC34ZL, NEC PC-VJ25AEZ78, Sony VGN-FW190CU, ASUS C90S, HP HP Compaq 4000 Pro SFF PC, Fujitsu FMVA42EWB, and more.
A4tech Kl(s)-50 601.11.198/22/201412/29/2016a4tech_kl(s)-50-601.11.19.exe29kbToshiba Dynabook CX/2213CMSW, Compaq GS367AA-AB4 SR5175CF, HP GJ404AA-UUZ, Sony VGN-FJ11_W, Acer Aspire L3600, Toshiba Dynabook CX/45H, TBD K8A8X-M, Compaq Presario 8141EA, Lenovo 20B00006UK, IBM 2374KG5, HP AW010AAR-ABA p6210t, LG R510-K.A275K, Intel SJR2A092, Sony VPCEH40EBW, IBM 2373NG8, Lenovo ThinkPad T430, LG R490-G.AAH1RE2, and more.
A4tech Kl(s)-50 4226910/25/201412/27/2016a4tech_kl(s)-50-42269.exe77kbIBM 818944U, Sony VGX-TP1V, HP CQ2900EC, Packard Bell ISTART 9112, HP BK373AA-AB1 HPE-176k, Lenovo ThinkPad X121e, HP FJ422AA-UUW, HP D7222T-ABA A350E, HP HP Compaq 4000 Pro SFF PC, ASUS U24E, and more.
A4tech Kl(s)-50 36201/28/201512/29/2016a4tech_kl(s)-50-3620.exe101kbIBM ThinkCentre S51, HCL Infosystems LUMINA2-LD, NEC PC-MJ30AAZ76, HP 500-018es, LG LM70-PKJE, Panasonic CF-F8GWE08N3, Compaq RF785AA-ABU SR2029 NA100, NEC PC-MJ26XRZWTSBJ, HP PX530AA-UUZ, Toshiba EQUIUM S6200, Sony VPCEF22FX, Panasonic CF-W2FWPAXP, LG R510-S.AP87K, Sony VGN-BX760P, HP EL521AA-AB1 a1329k, Acer TravelMate 8372, and more.
A4tech Kl(s)-50 234271/4/201512/29/2016ovnq-23427.exe183kbWIPRO WIV52B55-0007, WIPRO WSG37455V-0008, Dell Latitude 13, HP Pavilion ze4400, HP PX588AA-ABX, Buympc DES0024C USCG ClientPro 375 G, LG E500-S.AP28P, Medion P861X, HP HPE-531sc, HP FQ641AA-AC4 s3715b, Haier T68 Series, Lenovo ThinkPad Z61m, ASUS P5GD2-TVM, and more.

Please Note: There are particular operating systems known to have problems with A4tech Kl(s)-50:
  • Windows 10
  • Windows XP Professional x64 Edition
  • Windows XP Media Center Edition 2003
  • Windows XP Professional
  • Windows RT
  • Windows XP Home Edition, for home desktops and laptops
  • Windows 8 Pro
  • Windows 7 Home Premium
  • Windows 7 Service Pack 1 (Microsoft Windows NT)
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific A4tech Kl(s)-50 model.
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