5/20/2018 +964 new drivers.
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 7/18/2016
Our main support OS are: Windows 7, Windows 7 64 bit, Windows 7 32 bit, Windows 10, Windows 10 64 bit, Windows 10 32 bit, and Windows 8.

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: 5/16/2018
Scan Status: driver download scanOK

A4tech Kl(s)-50 now has a special edition for these Windows versions: Windows 7, Windows 7 64 bit, Windows 7 32 bit, Windows 10, Windows 10 64 bit,, Windows 10 32 bit, Windows 8, Windows 10 Home 32bit, Windows 7 Starter 32bit, Windows 7 Service Pack 1 (Microsoft Windows NT) 64bit, Windows XP Home Edition, for home desktops and laptops 32bit, Windows 10 Mobile 32bit, Windows 7 Home Basic 64bit, Windows 10 Pro Education 64bit, Windows RT 32bit,

A4tech Kl(s)-50 Download Stats:

Driver Uploaded: 4/25/2018

Direct Downloads: 382
Most Recent Download: 4/25/2018
Managed Downloads: 3694
Most Recent Download: 4/25/2018
Download Mirrors: 2
Current Delay: 30 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 4/25/2017, Computer: NEC PC-VY20FAGEW - Windows 7 64 bit

Outdated or Corrupted drivers:7/24

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) E7320 Memory Controller Hub - 3592Up To Date and Functioning
Mice And Touchpads
Logicool Logitech Cordless Mouse (USB)Up To Date and Functioning
Synaptics Synaptics PS/2 Port TouchPadUp To Date and Functioning
Usb Devices
Hewlett-Packard Photosmart 2570 seriesCorrupted By A4tech Kl(s)-50
Hewlett-Packard HP Photosmart C4100 series (DOT4USB)Corrupted By A4tech Kl(s)-50
USB Compliance USB Storage DeviceCorrupted By A4tech Kl(s)-50
Sound Cards And Media Devices
NVIDIA NVIDIA GeForce GTX 675MUp To Date and Functioning
Realtek Periferica audio su bus High Definition AudioUp To Date and Functioning
ASUSTek ASUSTeK Tiger Capture DeviceUp To Date and Functioning
Network Cards
Atheros Atheros Wireless Network AdapterCorrupted By A4tech Kl(s)-50
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
VIA Secondary IDE ChannelCorrupted By A4tech Kl(s)-50
Acronis Seagate DiscWizard Image Backup Archive ExplorerUp To Date and Functioning
NVIDIA Other PCI Bridge DeviceOutdated
Microsoft Texas Instruments PCI-8x12/7x12/6x12 CardBus ControllerUp To Date and Functioning
Lucent Lucent Win ModemUp To Date and Functioning
Nokia Nokia E52 USB OBEXUp To Date and Functioning
Intel Intel(r) AIM External Flat Panel Driver 7Outdated
Cameras, Webcams And Scanners
Intel Canon EOS 500DUp To Date and Functioning
Video Cards
ATI ATI Technologies, Inc. 3D RAGE PRO AGP 2XUp To Date and Functioning
Input Devices
Logitech USB Input Device (Logitech Download Assistant)Up To Date and Functioning
Port Devices
Prolific Prolific USB-to-Serial Bridge (COM6)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 4/26/2018, Computer: IBM 814338G - Windows 7 32 bit

Outdated or Corrupted drivers:7/20

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) 8 Series/C220 Series PCI Express Root Port #7 - 8C1COutdated
Mice And Touchpads
Genius Scroll Mouse(4D3B)Corrupted By A4tech Kl(s)-50
A4Tech USB Browser MouseCorrupted By A4tech Kl(s)-50
Razer USA HID mouseCorrupted By A4tech Kl(s)-50
Usb Devices
Google CDC Object Exchange (OBEX)Up To Date and Functioning
Huawei HUAWEI Mobile Connect - Bus Enumerate DeviceUp To Date and Functioning
Intel Dispositivo de almacenamiento masivo USBCorrupted By A4tech Kl(s)-50
Sound Cards And Media Devices
Intel(R) Intel(R) Display AudioCorrupted By A4tech Kl(s)-50
C-Media Multimedia Audio ControllerUp To Date and Functioning
Network Cards
Ralink TL-WN321G USB Wireless AdapterUp To Date and Functioning
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
Intel(R) ICH8R/DH/DO SATA AHCI ControllerUp To Date and Functioning
Intel(R) ICH9DO LPC Interface Controller - 2914Up To Date and Functioning
Microsoft Texas Instruments PCI-7x20/6x20 CardBus ControllerUp To Date and Functioning
Cameras, Webcams And Scanners
Canon Canon MP495 serUp To Date and Functioning
Video Cards
Intel(R) HD GraphicsUp To Date and Functioning
Input Devices
Sony Sony Programmable I/O Control DeviceUp To Date and Functioning
Port Devices
Prolific Prolific USB-to-Serial Bridge (COM6)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIACorrupted By A4tech Kl(s)-50
Driver ModelOSOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
A4tech Kl(s)-50 Q31.1688For Windows 7 32 bit11/2/201412/27/2016j-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 41.171.19For Windows 7 64 bit9/9/201412/30/2016all_drivers-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 1.13442For Windows 72/16/201512/29/2016all_drivers-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 61.1681.1For Windows 1010/28/201412/28/2016all_drivers-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 20242For Windows 10 64 bit9/17/201412/27/2016all_drivers-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 T81.11.198For Windows 7 32 bit9/22/201412/28/2016all_drivers-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 1.11.1073For Windows 7 64 bit10/10/201412/27/2016all_drivers-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 63388For Windows 79/18/201412/27/2016all_drivers-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 J1.11.1486For Windows 1010/2/201412/27/2016all_drivers-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 81.1028For Windows 10 64 bit12/29/201412/28/2016all_drivers-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 20403For Windows 812/26/201412/30/2016all_drivers-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)-50 802.140For Windows 7 32 bit9/5/201412/27/2016ehc-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 33060For Windows 7 64 bit10/27/201412/29/2016all_drivers-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 Home
  • Windows Vista Starter
  • Windows Vista Enterprise (Microsoft Windows NT 6.0.6000.0)
  • Windows 7 Ultimate
  • Windows 10 Enterprise
  • Windows 7 Professional
  • Windows 10 Education
  • Windows 10 Mobile Enterprise
  • Windows 10
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.
Laptop A4tech Kl(s)-50Tablet A4tech Kl(s)-50Download A4tech Kl(s)-50Upgrade A4tech Kl(s)-50Update A4tech Kl(s)-502018 A4tech Kl(s)-50Free A4tech Kl(s)-50Data A4tech Kl(s)-50Info A4tech Kl(s)-50Help A4tech Kl(s)-50Guide A4tech Kl(s)-50Comments A4tech Kl(s)-50Windows 10 A4tech Kl(s)-50Vista A4tech Kl(s)-50Windows 7 A4tech Kl(s)-50Install A4tech Kl(s)-50