2/24/2017 new driver models for direct download:521
A4tech Kl S50 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for A4tech Kl S50
Certifications for A4tech Kl S50
5 stars for A4tech Kl S50 "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 2/24/2017 Updates

All drivers on are updated on daily basis.

However, a new version of A4tech Kl S50 might have been uploaded since our last site update.

A4tech Kl S50 Driver Download

Windows Compatibility for A4tech Kl S50 driver

A4tech Kl S50 Driver Details:

A4tech Kl S50 File Name:

A4tech Kl S50 Driver Version: 4105n

A4tech Kl S50 ZIP Size: 131.kb

Manufacturer: A4tech

A4tech Kl S50 was fully scanned at: 2/21/2017
Scan Status: driver download scanOK

A4tech Kl S50 special revision for: Windows 7 Enterprise (Microsoft Windows NT) 32 bit, Windows 7 Home Basic 32 bit, Windows XP Professional x64 Edition 64 bit, Windows XP Tablet PC Edition 32 bit, Windows XP Media Center Edition 2003 64 bit, Windows Vista Ultimate 32 bit, Windows XP Starter Edition 32 bit, Windows XP Media Center Edition 2004 32 bit, Windows 7 Professional 32 bit, Windows 8 32 bit, Windows 7 Starter 64 bit

A4tech Kl S50 Download Stats:

Driver Uploaded: 1/12/2017

Direct Downloads: 388
Most Recent Download: 2/21/2017
Managed Downloads: 3312
Most Recent Download: 2/22/2017
Download Mirrors: 4
Current Delay: 15 Seconds
Driver License: Free Software

Direct Download Success Stats:

Reports Issued By 296/388 Users

Success Reported By 37/296 Users

Driver Download Score61/100

Driver Installation Score66/100

Overall preformance Score68/100

A4tech Kl S50 14 Thumbs Up14Thumbs
A4tech Kl S50 2 Thumbs Down2Thumbs
A4tech Kl S50 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 3251/3312 Users

Success Reported By 2454/3251 Users

Driver Download Score97/100

Driver Installation Score76/100

Overall preformance Score79/100

A4tech Kl S50 2367 Thumbs Up2367Thumbs
A4tech Kl S50 103 Thumbs Down103Thumbs
A4tech Kl S50 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 S50 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 S50 + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing A4tech Kl S50, or the driver installation manager, take a few minutes to send us a report:
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A4tech Kl S50 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 S50 disfunctions.

Scan performed on 2/24/2017, Computer: HP P8601A-ABU 722

Outdated or Corrupted drivers:8/18

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) B85 LPC Controller - 8C50Up To Date and Functioning
Mice And Touchpads
Wacom Wacom Mouse MonitorUp To Date and Functioning
ELAN PS/2 Compatible MouseUp To Date and Functioning
Microsoft Microsoft USB Basic Optical Mouse (Mouse and Keyboard Center)Corrupted By A4tech Kl S50
Usb Devices
Microsoft USB DeviceUp To Date and Functioning
Sound Cards And Media Devices
Sony Multimedia Video ControllerUp To Date and Functioning
Creative Creative SB Audigy 4 (WDM)Corrupted By A4tech Kl S50
Network Cards
PANTECH PANTECH UM175 WWAN DriverCorrupted By A4tech Kl S50
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
Microsoft ULi M5229 PCI-Bus-Master-IDE-ControllerUp To Date and Functioning
Intel Port racine express PCI Intel(R) 82801FB/FBM PCI - 2660Corrupted By A4tech Kl S50
Microsoft Xbox 360 Controller for WindowsCorrupted By A4tech Kl S50
Cameras, Webcams And Scanners
Realtek Realtek USB2.0 PC CameraUp To Date and Functioning
Video Cards
NVIDIA NVIDIA GeForce GT 640MOutdated
Input Devices
Wacom Wacom TabletUp To Date and Functioning
Port Devices
hspa Modem Application1 port (COM4)Corrupted By A4tech Kl S50
Sony Digital Flat Panel (1024x768)Outdated
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning

Scan performed on 2/24/2017, Computer: Toshiba SATELLITE C875-15F

Outdated or Corrupted drivers:8/22

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) Xeon(R) Processor E5 Product Family/Core i7 Integrated Memory Controller ERROR Registers 0 - 3CB2Corrupted By A4tech Kl S50
Mice And Touchpads
Synaptics Synaptics PS/2 Port Compatible TouchPadUp To Date and Functioning
Logitech HID-compliant Cordless MouseOutdated
Logicool Logicool HID-compliant Optical Tilt Wheel MouseOutdated
Usb Devices
Hewlett-Packard HP Photosmart C4700Up To Date and Functioning
Microsoft Standard Universal PCI to USB Host ControllerCorrupted By A4tech Kl S50
Magic Control USB Display Device (T1P)Up To Date and Functioning
Sound Cards And Media Devices
Microsoft Cinema - Microsoft LifeCam.Outdated
Creative Sound Blaster X-Fi Xtreme AudioUp To Date and Functioning
Pinnacle Pinnacle PCTV 310i Capture DeviceUp To Date and Functioning
Network Cards
Ralink TL-WN321G USB Wireless AdapterUp 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
AuthenTec AuthenTec AES3500 TruePrint SensorUp To Date and Functioning
Google Android ADB InterfaceOutdated
Unibrain OHCI Compliant IEEE 1394 Host ControllerUp To Date and Functioning
Cameras, Webcams And Scanners
Microsoft USB Video DeviceUp To Date and Functioning
Video Cards
ATI RADEON X300 SeriesUp To Date and Functioning
Input Devices
Logitech Logitech WingMan Formula (ADI)Up To Date and Functioning
Port Devices
Prolific Prolific USB-to-Serial Bridge (COM6)Outdated
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIACorrupted By A4tech Kl S50
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
A4tech Kl S50 8384911/10/201412/29/2016lweq-83849.exe93kbNEC PC-LS150LS1KSG, Sony VPCL21M9E, Toshiba T20, Lenovo 00P5095, Fujitsu FMVNFC60BJ, NEC PC-BL350DW6B, Fujitsu PRIMERGY TX300 S3, IBM 2672EU1, Fujitsu FMVWJS2B77, Mustek KDZ68DBM, NEC PC-VT5500D, Lenovo 3000 V100 Notebook, Lenovo ThinkPad Twist S230u, Fujitsu FMVNFD50B, Fujitsu FMVU75HRG, and more.
A4tech Kl S50 44042.18/25/201412/30/2016a4tech_kl_s50-44042.1.exe21kbASUS F80S, ASUS X71S, IBM 2645CBH, HP G5383sc, Buympc TRANSPORT T2500 154 E, HP DW167A-ABF a425.f, Viglen VIG430P, HP 23-k010qd, HP S5-1217, AnabelleB Soho WN10, NEC PC-MY28VLZEDX8F, and more.
A4tech Kl S50 E2.11.141.103/8/201512/27/2016a4tech_kl_s50-e2.11.141.10.exe216kbToshiba Dynabook Qosmio E10/370LSJ2, HP DX442AV, AnabelleB Soho WN10, ODM V10IL, Sony VGN-Z21WN_B, IBM 8114W19, IBM 2668W13, Compaq GN732AA-ABH SR5135NL, Sony VPCEA23EN, Lenovo ThinkCentre A52, Sony VGN-FW21L, LG R490-KR6WK, and more.
A4tech Kl S50 622.12610/31/201412/28/2016a4tech_kl_s50-622.126.exe214kbASUS G750JW, Packard Bell IMEDIA X5609 BE, Sony VGN-P50_G, Seneca Pro354493, Compaq DB266A-AB1 6215KR KO910, NEC PC-LS150HS1KSG, BYON CHAMELEON, HP NQ867AA-UUZ m9650ch, Sony VGN-NS31S_S, HP HPE-430it, IBM 28815AU, Lenovo ThinkPad X201 Tablet, HP Compaq 6200 Pro SFF PC, Seneca Pro318568, HP 220-1100t, Sony VGN-K30, and more.
A4tech Kl S50 2.136692/28/201512/27/2016a4tech_kl_s50-2.13669.exe142kbHP Pav dv6521 mariner, Compaq PW783AA-ACJ SR1425IL FD440, Toshiba Dynabook T554/45KR, NEC VERSAE6301 RNF61119695, HP KJ416AA-AB4 m9298d, MCJ 9223, Gateway P-6312 HSN, Lenovo ThinkPad X300, NEC PC-LL750RG1B, Acer Aspire X5900, Compaq RK531AA-ABG SR1985AN AP680, NEC PC-VY16AEDERFW1, HP GG692AA-ABZ, Sony VGN-AR170P, IBM 2673CXG, and more.
A4tech Kl S50 81.178612/4/201412/29/2016a4tech_kl_s50-81.1786.exe184kbGateway MC7813G, Pegatron H24L, ASUS 1008HA, Toshiba Dynabook SS RX1/T9A, IBM 217163G, Toshiba SATELLITE C855-19N, Gateway GM5632E, Sony VGN-K30, Gateway M-6888u, NEC PC-LL550VG2KS, and more.
A4tech Kl S50 8361.1212/30/201412/30/2016a4tech_kl_s50-8361.12.exe36kbNEC PC-LL700BS6R, Sony VGN-A39GP, Gateway PROFILE3, Sony VGN-TX73B_B, Sony VGN-CR356_L, LG N550-PE50K, IBM 23745U9, IBM System x3650 M4 -[7915F2M, Fujitsu FMVCE35E5, LG Z1-B821P1, EMachines Emachines D525, Epson Endeavor MT7500, Compaq PS245AA-ABF SR1339FR FR510, and more.
A4tech Kl S50 21.142.131/16/201512/27/2016a4tech_kl_s50-21.142.13.exe27kbSony VGN-TZ27MN_B, BenQ Joybook P51, Acer Aspire AG3731, IBM System x3200 M3 -[7328EBG, LG LM60-15166L, Sony VPCEB36FG, Sony SVZ13116GXX, HP HP 530 Notebook PC, Sony VGN-SZ13GP_B, HP HP G60 Notebook PC, Acer Aspire5739, Acer AS5320, HP EC619AA-ABY, Compaq FQ552AA-ABA SR5616F, Everex Everex StepNote SR Series, SIEMENS MC PC BOX V5 CPB, HP KA856AA-ABF a6314.f, WIPRO WIV37555-1436, and more.
A4tech Kl S50 2.13831.111/4/201412/29/2016a4tech_kl_s50-2.13831.1.exe33kbAdvent PQG9002, Compaq DQ119A-ABZ S5400IT IT340, HP FL402AA-ABZ s3630it, HP KX568AA-UUW, HP Compaq Presario Notebook PC, Sony VGN-NS15G_S, HP GN551AA-ABA m8200, Fujitsu FMVNP2P4, Fujitsu FMVNFD40, Acer Extensa 2900E, Sony VGN-NS330J, HP GP G62-A20SY NB, HP ED755AA-ABE, Acer TravelMate 8372, HP Pavilion zd8000, Fujitsu LIFEBOOK UH574, LG F1-2K39AB, HP NQ973AA-ABF p6032f, HP RX881AA-ABA m8000, and more.
A4tech Kl S50 637389/18/201412/27/2016-63738.exe119kbHP PS139AA-ABX, HP P6747ch-m, Toshiba SATELLITE C855-1X3, WIPRO WSG68125W7E-0015, HP DX442AV, Fujitsu FMVD94G041, Compaq GN732AA-ABH SR5135NL, Viglen VIG615M, Panasonic CF-53AAC34ZG, HP 23-k010qd, HP AX685AA-ABJ 300-1150jp, Sony VPCEB15FA, Sony SVS13A15GDB, and more.
A4tech Kl S50 2341.1911/11/201412/29/2016a4tech_kl_s50-2341.19.exe118kbToshiba Dynabook R634/E25K, HP HP Pavilion DV6-3206AX, Buympc MPC365, Toshiba Satellite C850-B820, HP HP Compaq dc7100 CMT, NEC PC-MY26XRZJTSBJ, Gateway E-9520T, HP HP Pavilion dv9000, HP D5468AT-ABA GX768AA, Compaq Workstatio, IBM 26476AG, Packard Bell IMEDIA 6460, Toshiba SATELLITE C870-181, HP G5360fr-m, Lenovo ThinkPad Edge E530, NEC PC-LL5006D2DR, IBM 2672RD3, and more.
A4tech Kl S50 2403212/6/201412/29/2016a4tech_kl_s50-24032.exe72kbNEC PC-MY28VLZEDX8F, Itautec Infoway w7730, ECS 945GTY-M, Lenovo 6069W1R, Packard Bell EASYNOTE SW86, Acer Veriton S670, IBM 814132U, HP EP187AA-UUZ, Shuttle Shuttle System, APC4R APC4R116, Fujitsu FMVMGG70WY, HP Hp pavilion ze4900, Sony VGN-A197VP, IBM 8187RGH, Toshiba Dynabook T451/59DB, Sony VGN-TZ27GN_B, Lenovo 10245BG, Sony VGN-NS130AE, Sony VGN-SR49VT_H, and more.

There is no particular operating system known to have specific problems with A4tech Kl S50
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