4/28/2017 new driver models for direct download:958
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 4/28/2017 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: 4/25/2017
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: 4/25/2017

Direct Downloads: 382
Most Recent Download: 4/27/2017
Managed Downloads: 3694
Most Recent Download: 4/27/2017
Download Mirrors: 2
Current Delay: 15 Seconds
Driver License: GPL

Direct Download Success Stats:

Reports Issued By 352/382 Users

Success Reported By 76/352 Users

Driver Download Score68/100

Driver Installation Score68/100

Overall preformance Score67/100

A4tech Kl(s)-50 16 Thumbs Up16Thumbs
A4tech Kl(s)-50 3 Thumbs Down3Thumbs
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 3555/3694 Users

Success Reported By 2987/3555 Users

Driver Download Score96/100

Driver Installation Score98/100

Overall preformance Score94/100

A4tech Kl(s)-50 2935 Thumbs Up2935Thumbs
A4tech Kl(s)-50 167 Thumbs Down167Thumbs
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.

Don’t have a password?
Please register, and get one.

Other drivers most commonly associated with A4tech Kl(s)-50 problems:

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 4/28/2017, Computer: HP HP EliteBook 2730p

Outdated or Corrupted drivers:10/18

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) Xeon(R)-Prozessor (E5-Produktfamilie)/Core i7 - Unicastregister 0 - 3CE8Up To Date and Functioning
Mice And Touchpads
Logitech Logitech WheelMouse (USB)Up To Date and Functioning
Microsoft Microsoft USB Comfort Optical Mouse 3000 (IntelliPoint)Up To Date and Functioning
Usb Devices
Hewlett-Packard Deskjet F4200 seriesUp To Date and Functioning
Sound Cards And Media Devices
Realtek AzureWave AW-CA100/100DOutdated
Realtek Realtek High Definition AudioUp To Date and Functioning
Network Cards
Qualcomm Atheros Atheros AR938x Wireless Network AdapterUp To Date and Functioning
Microsoft Keyboard Device FilterCorrupted By A4tech Kl(s)-50
Hard Disk Controller
VIA VIA Bus Master IDE Controller - 3164Corrupted By A4tech Kl(s)-50
SMSC SMSC Fast Infrared DriverOutdated
Intel Intel(r) AIM External TV Encoder Driver 1Up To Date and Functioning
PACE Anti-Piracy USB iLok DriverOutdated
Cameras, Webcams And Scanners
Brother Brother DCP-115C USBCorrupted By A4tech Kl(s)-50
Video Cards
ATI RADEON X300 Series SecondaryCorrupted By A4tech Kl(s)-50
Input Devices
Hewlett-Packard HP Link-5 micro dongleOutdated
Port Devices
Alcatel MT6235Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Corrupted By A4tech Kl(s)-50
Mobile Phones And Portable Devices
Acer NOKIAOutdated

Scan performed on 4/28/2017, Computer: HCL Infosystems APM88-GS

Outdated or Corrupted drivers:7/21

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) 7 Series/C216 Chipset Family PCI Express Root Port 1 - 1E10Up To Date and Functioning
Mice And Touchpads
A4Tech USB Browser MouseUp To Date and Functioning
Usb Devices
Logitech Logitech QuickCam Communicate STXUp To Date and Functioning
Logitech Logitech USB Camera (Webcam 500)Up To Date and Functioning
Logitech Cisco VT CameraUp To Date and Functioning
Sound Cards And Media Devices
Realtek High Definition Audio -laiteUp To Date and Functioning
Network Cards
Realtek Realtek RTL8139 Family PCI Fast Ethernet NICOutdated
Microsoft HID KeyboardCorrupted By A4tech Kl(s)-50
Hard Disk Controller
Silicon Integrated SiS PCI-IDE-ControllerUp To Date and Functioning
Point Grey Research Texas Instruments 1394 OHCI Compliant Host ControllerOutdated
Intel(R) ICH9DO LPC Interface Controller - 2914Up To Date and Functioning
Nokia Nokia 5230 USB OBEXUp To Date and Functioning
Google USB Composite DeviceOutdated
Realtek Semiconduct Realtek PCIE CardReaderOutdated
Microsoft HID-compliant apparaatUp To Date and Functioning
Cameras, Webcams And Scanners
EPSON EPSON Stylus CX6400Outdated
Video Cards
ATI RADEON X600 Series Secondary (Microsoft Corporation - WDDM)Up To Date and Functioning
Input Devices
Lenovo USB DeviceOutdated
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 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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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