12/7/2019 +1050 new drivers.
A4tech Kl(s)-40 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)-40
Certifications for A4tech Kl(s)-40
5 stars for A4tech Kl(s)-40 "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)-40 Driver Download

Windows Compatibility for A4tech Kl(s)-40 driver

A4tech Kl(s)-40 Driver Details:

A4tech Kl(s)-40 File Name: a4tech_kl(s)

A4tech Kl(s)-40 Driver Version: 484a1

A4tech Kl(s)-40 ZIP Size: 113.kb

Manufacturer: A4tech

A4tech Kl(s)-40 was fully scanned at: 12/2/2019
Scan Status: driver download scanOK

A4tech Kl(s)-40 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 Vista Home Premium 32bit, Windows 8 Pro 32bit, Windows 8 Enterprise 32bit, Windows Vista Starter 64bit, Windows 7 Home Basic 64bit, Windows XP Home Edition, for home desktops and laptops 64bit, Windows 10 S 32bit, Windows Vista Ultimate 64bit, Windows 10 Pro 64bit, Windows XP Starter Edition 64bit, Windows 7 Service Pack 1 (Microsoft Windows NT) 64bit, Windows Vista Home Premium 32bit, Windows 10 Enterprise LTSB 64bit, Windows 10 Mobile 32bit,

A4tech Kl(s)-40 Download Stats:

Driver Uploaded: 2/24/2019

Direct Downloads: 1853
Most Recent Download: 11/23/2019
Managed Downloads: 4924
Most Recent Download: 11/25/2019
Download Mirrors: 2
Current Delay: 16 Seconds
Driver License: FS {free software}

Direct Download Success Stats:

Reports Issued By 1659/1853 Users

Success Reported By 368/1659 Users

Driver Download Score71/100

Driver Installation Score66/100

Overall preformance Score67/100

A4tech Kl(s)-40 128 Thumbs Up128Thumbs
A4tech Kl(s)-40 36 Thumbs Down36Thumbs
A4tech Kl(s)-40 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 4889/4924 Users

Success Reported By 4618/4889 Users

Driver Download Score81/100

Driver Installation Score96/100

Overall preformance Score91/100

A4tech Kl(s)-40 4430 Thumbs Up4430Thumbs
A4tech Kl(s)-40 134 Thumbs Down134Thumbs
A4tech Kl(s)-40 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)-40 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)-40 + 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)-40, 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)-40 problems:

A4tech Kl(s)-40 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)-40 disfunctions.

Scan performed on 4/24/2019, Computer: WIPRO WSG59355W7S-0014 - Windows 7 64 bit

Outdated or Corrupted drivers:9/19

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) processor PCI Express Root Port 1 - D138Up To Date and Functioning
Mice And Touchpads
WheelMouse HID mouseUp To Date and Functioning
Synaptics Synaptics PS/2 Port Compatible TouchPadCorrupted By A4tech Kl(s)-40
eGalaxTouch USB Input DeviceUp To Date and Functioning
Usb Devices
Hewlett-Packard HP PSC 1500 series (DOT4USB)Up To Date and Functioning
Sound Cards And Media Devices
Realtek High Definition Audio DeviceCorrupted By A4tech Kl(s)-40
ASUSTek ASUSTeK Tiger Capture DeviceUp To Date and Functioning
Philips Philips SAA713X, Hybrid Capture DeviceCorrupted By A4tech Kl(s)-40
Network Cards
Broadcom 2x2 11a/b/g/n Wireless LAN PCI Express Half Mini Card AdapterCorrupted By A4tech Kl(s)-40
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
Silicon Integrated Kontroler SiS PCI IDECorrupted By A4tech Kl(s)-40
Intel HID Sensor CollectionUp To Date and Functioning
Mad Catz Programmable Support for KeyboardUp To Date and Functioning
Cameras, Webcams And Scanners
EPSON EPSON Stylus CX6400Corrupted By A4tech Kl(s)-40
Video Cards
ATI RADEON X600 Series Secondary (Microsoft Corporation - WDDM)Outdated
Input Devices
Sony Sony Firmware Extension Parser DeviceUp To Date and Functioning
Port Devices
hspa Modem Application4 port (COM7)Corrupted By A4tech Kl(s)-40
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAOutdated

Scan performed on 4/26/2019, Computer: Lenovo ThinkPad L412 - Windows 7 32 bit

Outdated or Corrupted drivers:7/20

Device/DriverStatusStatus DescriptionUpdated By Scanner
Apple Intel(R) 5 Series/3400 Series Chipset Family USB Universal Host Controller - 3B36Corrupted By A4tech Kl(s)-40
Mice And Touchpads
Logitech Logitech Gaming Virtual KeyboardUp To Date and Functioning
Usb Devices
ASMedia ASMedia USB 3.0 eXtensible Host Controller - 0100 (Microsoft)Up To Date and Functioning
Logitech Logitech Webcam C160Up To Date and Functioning
Sound Cards And Media Devices
Intel Intel WiDi Audio DeviceUp To Date and Functioning
ASUS USB Mass Storage DeviceUp To Date and Functioning
Network Cards
Atheros LAN-Express AS IEEE 802.11g miniPCI AdapterUp To Date and Functioning
Microsoft Keyboard Device FilterCorrupted By A4tech Kl(s)-40
Hard Disk Controller
Advanced Micro Devices Controller standard PCI IDEUp To Date and Functioning
Microsoft SDA Standard Compliant SD Host ControllerCorrupted By A4tech Kl(s)-40
Intel(R) 82810 Graphics Controller (Microsoft Corporation)Corrupted By A4tech Kl(s)-40
Microsoft Texas Instruments PCI-7x20/6x20 CardBus ControllerUp To Date and Functioning
Intel(R) Graphics Chipset (KCH) DriverUp To Date and Functioning
SMSC SMSC Fast Infrared DriverCorrupted By A4tech Kl(s)-40
Cameras, Webcams And Scanners
Canon Canon MP160Corrupted By A4tech Kl(s)-40
Video Cards
Intel Standard VGA Graphics AdapterUp To Date and Functioning
Input Devices
Microsoft USB Human Interface DeviceCorrupted By A4tech Kl(s)-40
Port Devices
Mobile Connector Device Application Interface (COM12)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 ModelOSOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
A4tech Kl(s)-40 Y3371.14For Windows 7 32 bit9/18/201412/28/2016all_drivers-y3371.14.exe151kbPanasonic CF-52GCR42AG, IBM 265244G, HP KY731AA-AKL a6784l, HP HP Compaq nx6120, Fujitsu LifeBook A6210, Toshiba PSC0LA-01C01H, Fujitsu FMVA77HRG, and more.
A4tech Kl(s)-40 Windows 7 64 bit10/5/201412/29/2016all_drivers- CF-R8EWBAAP, Toshiba Satego P100, LG R470-KRW5K, OEGStone CS-B, Toshiba Satellite A100-999, Sony VGN-SZ7AWN_C, Sony SVT1113AJE, LG P1-J455R, Compaq VT606AA-AKL CQ3275L, IBM 8183TQG, Gateway FX6840-03E, Panasonic CF-W8FWDAJR, and more.
A4tech Kl(s)-40 63092For Windows 712/20/201412/30/2016all_drivers-63092.exe51kbGigabyte G31M-ES2C, Packard Bell IXTREME GOLD H5050, Lenovo IdeaCentre K32010031, Packard Bell EASYNOTE_MX52-B-551NC, HP WC812AA-ABV HPE-130me, Lenovo 2718WLZ, HP Pavilion ze8500, Acer Shangqi X4610, Sony VGN-NS305D, HP HP Compaq nc8000, and more.
A4tech Kl(s)-40 43626For Windows 1011/4/201412/30/2016gnamg-43626.exe54kbToshiba SATELLITE C855-1WU, Haier T5B, IBM 8212K4U, Acer Veriton S680G, Fujitsu FMVNS8YE, ZOTAC ZBOXNXS-AD11, Sony VPCEH18FK, NEC PC-VL750CS, HP HP nx9000, and more.
A4tech Kl(s)-40 62931.1For Windows 10 64 bit12/14/201412/29/2016all_drivers-62931.1.exe176kbHP HP Pavilion dv9600 Notebook PC, Sony SVE151100C, Fujitsu FMVMG75YD5, Sony VGN-FW245J, Sony VPCCW2VFX, Lenovo 23242F3, HP PW579AA-ABG m7088a, HP RJ131AA-AB8 t3620.t, IBM 842777G, Fujitsu FMVH70K9V, Packard Bell IMEDIA 6556, Notebook MIM2320, BYTSPD ByteSpeed LLC, and more.
A4tech Kl(s)-40 O21.192.10For Windows 7 32 bit1/14/201512/29/2016all_drivers-o21.192.10.exe100kbCompaq VN469AA-UUZ CQ5235CH, Packard Bell EASYNOTE_MX61-B-026, Toshiba Satellite C850-B843, Panasonic CF-SX1WEVHR, HP GM435AA-UUW, Datateknik EXPER, Sony VGN-FE41ZR, Sony VGN-FW41E_H, and more.
A4tech Kl(s)-40 Z73421.1For Windows 7 64 bit8/24/201412/28/2016all_drivers-z73421.1.exe133kbHP P9879A-ABG 713a, Compaq RR472AA-ABF SR2102FR, NEC PC-MY24ABZE4, IBM 8419KMA, Sony VGN-SZ390P, Sony SVE1412ECXP, HP G5261de, HP FQ504AA-ABG a6550a, HP Pavilion dv5 NoteBook PC, Sony VGN-FW43G_B, and more.
A4tech Kl(s)-40 P3291.19For Windows 71/10/201512/30/2016all_drivers-p3291.19.exe157kbLG F1-2242HS, Acer TM6595, HP Vd019aar-UUW, Lenovo 20AL009CUS, HP RA933AA-ABZ, Lenovo ThinkPad T410, MCJ 9223, HP FJ440AA-UUW, Acer Aspire M1850, LG R470-KRW4K, Sony VGN-CR363, LG R470-K.AR85L, Gigabyte EP43C-DS3, and more.
A4tech Kl(s)-40 R21.132.12.1For Windows 1012/5/201412/29/2016all_drivers-r21.132.12.1.exe160kbSeneca Pro64601, IBM 8419KMA, EMachines 5260IT, Sony PCG-GRX700, and more.
A4tech Kl(s)-40 4062.17For Windows 10 64 bit1/31/201512/27/2016all_drivers-4062.17.exe87kbHP GG700AA-UUW, HP P6635c, HP P7-1010esm, Panasonic CF-30CWQAZBM, Lenovo 00P5095, Medion E3211, HP Hp pavilion ze4900, ASUS N56VM, NEC PC-VT1000J6FD, Fujitsu FMVD70BNB7, Fujitsu FMVLX60TY, IBM 8183GNG, Toshiba SATELLITE C855-20M, and more.
A4tech Kl(s)-40 63063For Windows 811/30/201412/27/2016all_drivers-63063.exe42kbHP FK785AA-A2L s3620f, Compaq DQ119A-ABZ S5400IT IT340, IBM 23731G2, HP HP Pavilion 6700 Notebook PC, Panasonic CF-W7DWJQJR, Samsung 400B4Z/A01TH, Compaq VS459AA-ABE CQ5211ES, ASUS U24E, and more.
A4tech Kl(s)-40 1.1272.11.1For Windows 7 32 bit2/26/201512/30/2016all_drivers-1.1272.11.1.exe214kbGateway FX6840-03E, Panasonic CF-W8FWDAJR, ARISTO VISION i535, Fujitsu FMVXNBLQ2Z, Sony VPCZ1290S, Crea NW SERIES, Lenovo 7359W4B, Toshiba SATELLITE L850-13U, Panasonic CF-30CASCZBM, NEC PC-MJ26EBZD1FSG, Lenovo ThinkPad X301, Sony VGC-JS71B_S, and more.
A4tech Kl(s)-40 A3929For Windows 7 64 bit8/29/201412/29/2016all_drivers-a3929.exe140kbLG E500-K.APCAY, SAMSUN 770Z5E/780Z5E, Fujitsu N6220, Gateway EC1457U, LG X110-L.A7A2E2, Sony SVE14115FBB, Buympc ClientPro 385 ADMC2, Sony VPCF1290X, HP Compaq 6200 Pro SFF PC, HP GS184AA-AB0 a6240tw, Lenovo 4236SUS, and more.

Please Note: There are particular operating systems known to have problems with A4tech Kl(s)-40:
  • Windows Vista Ultimate
  • Windows 7 Home Basic
  • Windows 7 Ultimate
  • Windows 7 Home Premium
  • Windows 8 Pro
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific A4tech Kl(s)-40 model.
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