6/22/2018 +818 new drivers.
Koutech Kw-21cs 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for Koutech Kw-21cs
Certifications for Koutech Kw-21cs
5 stars for Koutech Kw-21cs "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.

Koutech Kw-21cs Driver Download

Windows Compatibility for Koutech Kw-21cs driver

Koutech Kw-21cs Driver Details:

Koutech Kw-21cs File Name:

Koutech Kw-21cs Driver Version: 303wkC

Koutech Kw-21cs ZIP Size: 114.kb

Manufacturer: Koutech

Koutech Kw-21cs was fully scanned at: 6/18/2018
Scan Status: driver download scanOK

Koutech Kw-21cs 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 Mobile Enterprise 32bit, Windows 7 Service Pack 1 (Microsoft Windows NT) 64bit, Windows 8 Enterprise 32bit, Windows XP Starter Edition 64bit, Windows 10 IoT 64bit,

Koutech Kw-21cs Download Stats:

Driver Uploaded: 3/28/2018

Direct Downloads: 621
Most Recent Download: 4/26/2018
Managed Downloads: 4315
Most Recent Download: 4/26/2018
Download Mirrors: 1
Current Delay: 19 Seconds
Driver License: General Public License

Direct Download Success Stats:

Reports Issued By 602/621 Users

Success Reported By 147/602 Users

Driver Download Score67/100

Driver Installation Score67/100

Overall preformance Score69/100

Koutech Kw-21cs 23 Thumbs Up23Thumbs
Koutech Kw-21cs 5 Thumbs Down5Thumbs
Koutech Kw-21cs 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 3683/4315 Users

Success Reported By 3025/3683 Users

Driver Download Score86/100

Driver Installation Score89/100

Overall preformance Score82/100

Koutech Kw-21cs 2867 Thumbs Up2867Thumbs
Koutech Kw-21cs 103 Thumbs Down103Thumbs
Koutech Kw-21cs 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 Koutech Kw-21cs 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 Koutech Kw-21cs + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing Koutech Kw-21cs, or the driver installation manager, take a few minutes to send us a report:
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Other drivers most commonly associated with Koutech Kw-21cs problems:

Koutech Kw-21cs 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 Koutech Kw-21cs disfunctions.

Scan performed on 4/25/2017, Computer: Acer TravelMate 8331 - Windows 7 64 bit

Outdated or Corrupted drivers:9/21

Device/DriverStatusStatus DescriptionUpdated By Scanner
Microsoft SiS662 Host CPU BridgeOutdated
Mice And Touchpads
NEC VersaGlideUp To Date and Functioning
Logicool HID-compliant mouseOutdated
Usb Devices
KSPN Keyspan USB Serial AdapterUp To Date and Functioning
Xbox Peripherals Microsoft Xbox 360 Live Vision CameraOutdated
NEC Standard erweiterter PCI-zu-USB universeller HostcontrollerUp To Date and Functioning
Sound Cards And Media Devices
ASUSTek Philips SAA713X, Hybrid Capture DeviceCorrupted By Koutech Kw-21cs
Network Cards
Qualcomm Atheros Qualcomm Atheros AR9462 802.11a/b/g/n WiFi AdapterUp To Date and Functioning
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
Intel(R) ICH10D/DO SATA AHCI ControllerOutdated
Intel(R) 82801EB Ultra ATA Storage Controllers - 24D1Up To Date and Functioning
Validity Sensors Validity Sensors (WBF) (PID=0018)Up To Date and Functioning
Intel Intel(r) AIM External Flat Panel Driver 4Corrupted By Koutech Kw-21cs
Nokia Nokia C6-00 USB OBEXUp To Date and Functioning
Intel Intel(r) AIM External TV Encoder Driver 2Corrupted By Koutech Kw-21cs
Cameras, Webcams And Scanners
Canon Canon MP495 serUp To Date and Functioning
Video Cards
Intel Video ControllerOutdated
Input Devices
Microsoft HID-compliant system control deviceOutdated
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 NOKIAUp To Date and Functioning

Scan performed on 4/26/2018, Computer: MIKROLOG ProG33-CH - Windows 7 32 bit

Outdated or Corrupted drivers:6/17

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) C204 Chipset Family LPC Interface Controller - 1C54Up To Date and Functioning
Mice And Touchpads
HP HID-compliant muisUp To Date and Functioning
A4Tech USB Browser MouseCorrupted By Koutech Kw-21cs
WheelMouse HID-compliant mouseUp To Date and Functioning
Usb Devices
AMD Standard AHCI 1.0 Serial ATA ControllerCorrupted By Koutech Kw-21cs
Sound Cards And Media Devices
NVIDIA NVIDIA GeForce GTX 570Corrupted By Koutech Kw-21cs
Network Cards
Intel(R) Centrino(R) Wireless-N 135Up To Date and Functioning
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
NVIDIA NVIDIA nForce3 Parallel ATA ControllerUp To Date and Functioning
Broadcom HP integrated module with Bluetooth wireless technologyCorrupted By Koutech Kw-21cs
Point Grey Research Texas Instruments 1394 OHCI Compliant Host ControllerUp To Date and Functioning
Cameras, Webcams And Scanners
Canon CanoScan LiDE 110Up To Date and Functioning
Video Cards
NVIDIA NVIDIA GeForce GT 630MUp To Date and Functioning
Input Devices
GENERIC USB Human Interface DeviceOutdated
Port Devices
LG LGE Bluetooth TransPort (COM5)Corrupted By Koutech Kw-21cs
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
Koutech Kw-21cs 80930For Windows 7 32 bit12/26/201412/29/2016all_drivers-80930.exe143kbHP EY906AA-ABZ, Fujitsu FMVXN0484Z, Fujitsu CELSIUS M730powe, IBM 2374E80, NEC PC-MK32MEZDG, Lenovo ThinkPad T400s, and more.
Koutech Kw-21cs 4382.17For Windows 7 64 bit11/25/201412/30/2016all_drivers-4382.17.exe101kbFujitsu FMVCE70J7, IBM IBM eServer m Mem-[7976KJG, ECS P55H-A SLI, Toshiba SATELLITE C850-A819, and more.
Koutech Kw-21cs 1.182.19For Windows 711/19/201412/29/2016all_drivers-1.182.19.exe26kbHP PN113AA-ABF t790.f, Sony PCG-GR5F_BP, Packard Bell IMEDIA 2450, Lenovo ThinkPad T410, and more.
Koutech Kw-21cs 30374For Windows 101/6/201512/28/2016bgitxgst-30374.exe122kbHP PX623AA-ABU, WIPRO WSG37425V-0054, Toshiba Dynabook CX/2213CMSW, Sony VPCCW25FL, IBM ThinkPad X40, Sony VGN-AS34B, Shuttle SD10, Sony VGN-SZ780U, NEC PC-GL20ESYG5, LG LW75-P333, Apple IMac5,1, HP HPE-430it, Compaq 5411EA 470029-828, and more.
Koutech Kw-21cs 20877For Windows 10 64 bit11/23/201412/28/2016all_drivers-20877.exe116kbSeanix C3V, Fujitsu FMVXD4VR2Z, IBM IBM System x3400 M2 Server -[7837AC1, HP NC232AA-UUZ IQ820ch, and more.
Koutech Kw-21cs L41.1691.1For Windows 7 32 bit3/8/201512/30/2016all_drivers-l41.1691.1.exe147kbSony VGNFW590GJB, ASUS K84L, Lenovo 20ARA024KR, Lenovo 6088W5B, Dell Latitude 131L, Fujitsu AMILO Xi 2528, HP P6520ch-m, Seneca Pro300475, NEC PC-MY18AESETM81, Acer Aspire 5670, Sony VPCF13S0E, HP HP ProBook 6460b, FIC VA250U, and more.
Koutech Kw-21cs 64001.1For Windows 7 64 bit11/7/201412/29/2016all_drivers-64001.1.exe129kbNEC VERSAE6200 RNC71101895, NEC Express5800/56Xd [N8000-566C, Sony VPCEB4E9R, Toshiba SATELLITE PRO L870-179, Sony VGN-NS180D, HP HP 2000-425NR, and more.
Koutech Kw-21cs 4272.11.1For Windows 712/20/201412/30/2016all_drivers-4272.11.1.exe147kbIBM 2668W13, AnabelleB Pedra BA10, Sony VGN-NS255J, Toshiba Dynabook AX/3527CMSB, Sony VGX-X90P, Dimotion PCDM4J5P, Fujitsu FMVNFD75B, MCJ W820Di1, Sony SVD132100C, Toshiba SATELLITE C855-1QG, and more.
Koutech Kw-21cs 8031.11.1For Windows 1011/4/201412/27/2016all_drivers-8031.11.1.exe57kbLenovo ThinkPad T410s, HP HP Pavilion dv5, LG R580-UAAD6BT, HP HP ProBook 4520s, Compaq DD376A-ABX 6660. FI110, and more.
Koutech Kw-21cs X1.162For Windows 10 64 bit2/2/201512/29/2016all_drivers-x1.162.exe182kbNEC RND51048395, NEC PC-MY18XAZE1XTA, Fujitsu FMVNFB60K, HP P6740ch-m, HP EG763AA-B14, Sony VGN-TZ33_B, and more.

Please Note: There are particular operating systems known to have problems with Koutech Kw-21cs:
  • Windows 10 Pro
  • Windows 8 Enterprise
  • Windows 10 Mobile
  • Windows Vista Home Premium
  • Windows 10 IoT
  • Windows Vista Ultimate
  • Windows 7 Starter
  • Windows RT
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific Koutech Kw-21cs model.
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