12/7/2016 new driver models for direct download:878
A4tech Kl 4020d 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for A4tech Kl 4020d
Certifications for A4tech Kl 4020d
5 stars for A4tech Kl 4020d "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 12/7/2016 Updates

All drivers on are updated on daily basis.

However, a new version of A4tech Kl 4020d might have been uploaded since our last site update.

A4tech Kl 4020d Driver Download

Windows Compatibility for A4tech Kl 4020d driver

A4tech Kl 4020d Driver Details:

A4tech Kl 4020d File Name:

A4tech Kl 4020d Driver Version: 728UWHT8

A4tech Kl 4020d ZIP Size: 135.kb

Manufacturer: A4tech

A4tech Kl 4020d was fully scanned at: 12/2/2016
Scan Status: driver download scanOK

A4tech Kl 4020d special revision for: Windows Vista Home Basic 64 bit, Windows Vista Enterprise (Microsoft Windows NT 6.0.6000.0) 64 bit, Windows Vista Home Premium 64 bit, Windows Vista Business 32 bit, Windows XP Professional N 32 bit, Windows XP Home Edition N 32 bit, Windows RT 32 bit, Windows XP Media Center Edition 2003 64 bit, Windows XP Media Center Edition 32 bit, Windows 7 Service Pack 1 (Microsoft Windows NT) 32 bit

A4tech Kl 4020d Download Stats:

Driver Uploaded: 12/4/2016

Direct Downloads: 180
Most Recent Download: 12/5/2016
Managed Downloads: 2361
Most Recent Download: 12/6/2016
Download Mirrors: 5
Current Delay: 9 Seconds
Driver License: Free

Direct Download Success Stats:

Reports Issued By 169/180 Users

Success Reported By 47/169 Users

Driver Download Score67/100

Driver Installation Score71/100

Overall preformance Score66/100

A4tech Kl 4020d 7 Thumbs Up7Thumbs
A4tech Kl 4020d 1 Thumbs Down1Thumbs
A4tech Kl 4020d 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 2164/2361 Users

Success Reported By 1908/2164 Users

Driver Download Score98/100

Driver Installation Score78/100

Overall preformance Score88/100

A4tech Kl 4020d 1731 Thumbs Up1731Thumbs
A4tech Kl 4020d 187 Thumbs Down187Thumbs
A4tech Kl 4020d 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 4020d 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 4020d + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing A4tech Kl 4020d, or the driver installation manager, take a few minutes to send us a report:
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A4tech Kl 4020d 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 4020d disfunctions.

Scan performed on 12/7/2016, Computer: HP HP ProBook 6455b

Outdated or Corrupted drivers:8/20

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel Mobiler Intel(R) 915GM/PM/GMS/910GML Express-Prozessor-zu-DRAM-Controller - 2590Up To Date and Functioning
Mice And Touchpads
Alps Alps Pointing-deviceCorrupted By A4tech Kl 4020d
Logitech HID-compliant Cordless MouseUp To Date and Functioning
VMware VMware USB Pointing DeviceCorrupted By A4tech Kl 4020d
Usb Devices
Hewlett-Packard Officejet 4500 G510a-f (DOT4USB)Up To Date and Functioning
Hewlett-Packard USB Mass Storage DeviceOutdated
Sound Cards And Media Devices
Conexant Conexant Falcon II PAL Video CaptureCorrupted By A4tech Kl 4020d
Hauppauge Hauppauge WinTV HVR-1200 (Model 71xxx, Hybrid DVB-T, No FP)Up To Date and Functioning
Network Cards
Intel(R) Centrino(R) Wireless-N 2200Up To Date and Functioning
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
Intel(R) 82801DBM Ultra ATA-Speichercontroller - 24CACorrupted By A4tech Kl 4020d
Intel Intel(r) AIM External TV Encoder Driver 3Corrupted By A4tech Kl 4020d
Intel Intel(r) AIM External Flat Panel Driver 0Up To Date and Functioning
Texas Instruments Texas Instruments PCI7420 Integrated FlashMedia ControllerUp To Date and Functioning
Cameras, Webcams And Scanners
Brother Brother DCP-115C USBUp To Date and Functioning
Video Cards
ATI RADEON X300 Series SecondaryOutdated
Input Devices
GENERIC USB Human Interface DeviceUp To Date and Functioning
Port Devices
Huawei Vodafone Mobile Broadband Secondary Port Modem (Huawei) (COM28)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAOutdated

Scan performed on 12/7/2016, Computer: Sony VGN-AW52JGB

Outdated or Corrupted drivers:6/21

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) 5520/5500/X58 I/O Hub PCI Express Root Port 3 - 340AOutdated
Mice And Touchpads
WheelMouse USB Advanced Wheel MouseOutdated
ELAN ELAN PS/2 Port Input DeviceUp To Date and Functioning
(Standard mouse types) HID mouseOutdated
Usb Devices
Sony Sony Memory Stick Reader/WriterCorrupted By A4tech Kl 4020d
Realtek USB Storage DeviceUp To Date and Functioning
Sound Cards And Media Devices
AVerMedia AVerMedia M791 PCIe Combo NTSC/ATSCUp To Date and Functioning
Network Cards
Intel(R) PRO/Wireless 2200BG Network ConnectionUp To Date and Functioning
Microsoft HID KeyboardCorrupted By A4tech Kl 4020d
Hard Disk Controller
VIA Primary IDE ChannelUp To Date and Functioning
Microsoft Texas Instruments PCI-7x20/6x20 CardBus ControllerUp To Date and Functioning
Panasonic MATSHITA DVD-RAM UJ-830SaUp To Date and Functioning
SMSC SMSC IrCC - Fast Infrared PortUp To Date and Functioning
EPSON EPSON USB PrinterUp To Date and Functioning
Intel USB-IF USB 3.0 HubOutdated
Cameras, Webcams And Scanners
EPSON EPSON Stylus CX6400Up To Date and Functioning
Video Cards
NVIDIA NVIDIA GeForce4 MX 440Up To Date and Functioning
Input Devices
KME Periferica USB Human InterfaceUp To Date and Functioning
Port Devices
Mobile Connector Device Diagnostic Interface (COM11)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 4020d 8267210/26/201412/27/2015a4tech_kl_4020d-82672.exe156kbIBM 682342G, Panasonic CF-T5MWJTFBF, Acer TravelMate 3290, IBM 622138G, CdcPointSpa MS-7277, NEC PC-VY16GWZR4, HP Presario V4000, Lenovo ThinkPad T430s, HP Presario 2500, Packard Bell Imedia S3250, NEC PC-LL900BD, Sony VGN-FW245J, HP HP Compaq 6515b, Compaq NC109AA-ABH SR5422NL, HP RR492AA-ABE, Packard Bell EASYNOTE SW85, Sony VGN-UX490N, Gateway T-1620, and more.
A4tech Kl 4020d 2.11.193012/30/201412/27/2015a4tech_kl_4020d-2.11.1930.exe106kbIBM System x3650 M2 -[7947K4G, Sony VPCW217AG, NEC PC-MY18XEZ78, Toshiba SATELLITE C855-1LC, Gateway E3048, Sony VGNBZ579N03, NEC PC-LL700GD, Dell PowerEdge C8220, HallmarkComputer ViewMaster System, HP HPE-531sc, BenQ Joybook A51, and more.
A4tech Kl 4020d 8408812/10/201412/27/2015o-84088.exe96kbIBM IBM System x3200 M2 -[4368K5G, HP DC484A-ABA 894C, SAMSUN R610, DIXONSXP Philips Freevents, IBM ThinkPad A30, HP 100-5010b, WIPRO WSG48105V-0015, Lenovo 6457WK5, IBM 23739HG, HP HP Pavilion 15 Notebook PC, EMachines EL1352, Lenovo 4236SUS, MiTAC 9525, HP GB342AA-AB0 a6086tw, Lanix LANIX CORP 4080, Fujitsu FMVLX50WD, Sony VGN-SZ38GP_C, IBM 6221PMG, IBM 1847Y1Y, and more.
A4tech Kl 4020d 1.187911/26/201412/27/2015a4tech_kl_4020d-1.1879.exe191kbFujitsu FMVF77DDRC, HP Compaq nx9020, Sony VGN-SZ670N, Sony VGN-SZ7RMN_B, Toshiba Dynabook Qosmio D710/T5BB, NEC PC-GL20ES3L6, Panasonic CF-W2FWPAXP, Sony VPCEA47EC, Compaq Presario 1201EA 470019-012, HP HP Pavilion dv7 Noteblook PC, Lenovo 3626A22, Fujitsu FMVK92B113, LG R560-U.ARC2BT, Sony VGN-NS15G_S, Acer Veriton 7700GX, and more.
A4tech Kl 4020d J71.138012/23/201412/27/2015qfu-j71.1380.exe167kbToshiba Satellite L850-B750, HP HPE-310t, HP HP Compaq 6715s, Samsung 400B4Z/A01TH, LG N550-PE50K, IBM 8183Z2C, NCR 7457-3500-8801, Gateway E-9520T, HP P6520ch-m, LG R470-K.AR85L, Packard Bell IMEDIA 9206, Fujitsu FMVD53C011, Sony VGNSR499PCB, HP P7-1090be, WIPRO WIV52B55-0007, HOUTER ORO-PC, and more.
A4tech Kl 4020d 222.13711/19/201412/29/2015a4tech_kl_4020d-222.137.exe95kbCompaq PW783AA-ACJ SR1425IL FD440, HP HP d530 SFF, Sony VGN-NS190J, Toshiba T20, ARCELIK 1UU-ANB 586 A2MT, Gateway MX7337H, NEC EASYNOTE PB37R00002, Sony VGN-Z51MG_B, Packard Bell IMEDIA H5689, Sony VPCEF22FX, HP ES133AA-UUZ, IBM 2374WF2, Packard Bell IMEDIA D7010 NL, HP EZ090AA-ACP, GETAC P470, and more.
A4tech Kl 4020d 30092.110/15/201412/29/2015a4tech_kl_4020d-30092.1.exe189kbSony VPCF13DGX, Gateway 310 2900297, Sony VGN-P25G_Q, HP GG698AA-ABH, HP HP Pavilion 0 Notebook PC, Sony VGN-SR36GN_B, Fujitsu PRIMERGY TX140 S1, Lenovo 1024AMU, Sony VGN-CS160F, Fujitsu FPC03051DN, IBM 621932U, LG LS50-AC6U1, and more.
A4tech Kl 4020d 1.109402/16/201512/27/2015a4tech_kl_4020d-1.10940.exe151kbLanix BRAIN 4140, ACTION MONTANA W7HP, Compaq PS245AA-ABF SR1339FR FR510, HP KA856AA-ABF a6314.f, NEC Express5800/54We [N8000-246, IBM 8212H1U, LG G1-223YA2, Lenovo ThinkCentre A60, NEC PC-GL20ESYG5, HP AY024AA-ABA s5360f, Sony VGN-SZ55_B, LG LE50-5B142T, Lenovo ThinkPad R61i, IBM 8141KGR, Compaq Workstatio, Compaq ProLiant ML350 G3, EMachines EL1331-05, LG E500-L.A2RBY, NEC PC-GV296VZGL, and more.
A4tech Kl 4020d 41.13879/17/201412/30/2015a4tech_kl_4020d-41.1387.exe46kbFujitsu FPC06010AK, HP NE502AAR-ABA a6750t, IBM 18669MG, ASUS P5QPL-VM, Lenovo ThinkPad W700, IBM 8190LGJ, HP HP G5000, Advent Monza, HP HP PAVILION DV9000, Sony VGN-FW56E, HP BN496AV-ABA HPE-170t, NEC PC-VJ27MBZDG, HP KQ519AA-ABU, HP NF369AA-ARL IQ522pl, IBM 26476AG, HP P6-2018es, Sony VPCEB3S1E, Toshiba SATELLITE C850-A821, Toshiba Dynabook EX/2513CDSTB, and more.
A4tech Kl 4020d 1.121.1401/11/201512/27/2015a4tech_kl_4020d-1.121.140.exe79kbGETAC V100-X, HP P6-2453es, LG R1-GLMMA3, NEC PC-MJ30AAZ76, Toshiba SATELLITE C50-A-14V, EMachines EMachines G420, Acer Aspire 9810, MIKROLOG Power P45-CO, Sony VGN-SZ76GN_B, Sony VPCJ126FJ, Sony PCG-K215M, IBM 6221NPG, and more.
A4tech Kl 4020d 21.10479/30/201412/30/2015a4tech_kl_4020d-21.1047.exe94kbGigabyte M1022, Compaq RR472AA-ABF SR2102FR, Dell Vostro 3446, Acer Veriton S680G, LG R580-U.ARD5WT, HP GB323AA-B1U, HP GX609AAR-ABA m9160f, Medion P8613, Lenovo SS09221149, Intel S3420GPC, and more.

Please Note: There are particular operating systems known to have problems with A4tech Kl 4020d:
  • Windows Fundamentals for Legacy PCs
  • Windows 8 Enterprise
  • Windows Vista Home Premium
  • Windows XP Media Center Edition 2004
  • Windows 8
  • Windows XP Professional N
  • Windows Vista Business
  • Windows XP Media Center Edition 2003
  • Windows XP Media Center Edition 2005
  • Windows RT
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific A4tech Kl 4020d model.
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