10/23/2016 new driver models for direct download:1114
A4tech Swu-21 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for A4tech Swu-21
Certifications for A4tech Swu-21
5 stars for A4tech Swu-21 "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 10/23/2016 Updates

All drivers on are updated on daily basis.

However, a new version of A4tech Swu-21 might have been uploaded since our last site update.

A4tech Swu-21 Driver Download

Windows Compatibility for A4tech Swu-21 driver

A4tech Swu-21 Driver Details:

A4tech Swu-21 File Name:

A4tech Swu-21 Driver Version: 945BuYI0p

A4tech Swu-21 ZIP Size: 100.kb

Manufacturer: A4tech

A4tech Swu-21 was fully scanned at: 10/20/2016
Scan Status: driver download scanOK

A4tech Swu-21 special revision for: Windows 7 Ultimate 32 bit, Windows 7 Professional 64 bit, Windows XP Professional x64 Edition 32 bit, Windows XP Media Center Edition 2004 32 bit, Windows XP Tablet PC Edition 64 bit, Windows 10 64 bit, Windows XP Media Center Edition 2005 64 bit

A4tech Swu-21 Download Stats:

Driver Uploaded: 9/5/2016

Direct Downloads: 65
Most Recent Download: 10/22/2016
Managed Downloads: 3418
Most Recent Download: 10/22/2016
Download Mirrors: 5
Current Delay: 19 Seconds
Driver License: FS {free software}

Direct Download Success Stats:

Reports Issued By 57/65 Users

Success Reported By 11/57 Users

Driver Download Score75/100

Driver Installation Score63/100

Overall preformance Score72/100

A4tech Swu-21 1 Thumbs Up1Thumbs
A4tech Swu-21 0 Thumbs Down0Thumbs
A4tech Swu-21 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 2720/3418 Users

Success Reported By 2136/2720 Users

Driver Download Score80/100

Driver Installation Score79/100

Overall preformance Score80/100

A4tech Swu-21 2083 Thumbs Up2083Thumbs
A4tech Swu-21 122 Thumbs Down122Thumbs
A4tech Swu-21 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 Swu-21 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 Swu-21 + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing A4tech Swu-21, 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.

A4tech Swu-21 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 Swu-21 disfunctions.

Scan performed on 10/23/2016, Computer: HP KX614AA-B1A A6502.g

Outdated or Corrupted drivers:6/21

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) Xeon(R) E5 v2/Core i7 Unicast Registers - 0EE7Corrupted By A4tech Swu-21
Mice And Touchpads
Razer USA HID mouseCorrupted By A4tech Swu-21
Usb Devices
Avision MFP LoaderUp To Date and Functioning
Intel(R) Intel(R) USB 3.0 eXtensible Host Controller - 0100 (Microsoft)Up To Date and Functioning
Initio INI-T640Corrupted By A4tech Swu-21
Sound Cards And Media Devices
Buffalo BUFFALO TV Tuner DT-T90/PCIEMW-TSUp To Date and Functioning
YUAN High-Tech Development Multimedia ControllerUp To Date and Functioning
Network Cards
Qualcomm Atheros Qualcomm Atheros AR9485 802.11b/g/n WiFi AdapterUp To Date and Functioning
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
Intel(R) 82801FB Ultra ATA Storage Controllers - 2651 - 2651&CC_0101Up To Date and Functioning
Texas Instruments Texas Instruments PCIxx12 Integrated FlashMedia ControllerUp To Date and Functioning
ULi Intel(R) 82801DB/DBM USB 2.0 forbedret vertskontroller - 24CDUp To Date and Functioning
Point Grey Research OHCI-konformer Texas Instruments 1394-HostcontrollerUp To Date and Functioning
AuthenTec TouchChip Fingerprint Coprocessor (WBF advanced mode)Up To Date and Functioning
Toshiba Toshiba Secure Digital-HostcontrollerUp To Date and Functioning
Cameras, Webcams And Scanners
Philips Philips SPC1030NC WebcamCorrupted By A4tech Swu-21
Video Cards
VIA/S3G VIA/S3G UniChrome Pro IGPUp To Date and Functioning
Input Devices
Sony Sony Firmware Extension Parser DeviceUp To Date and Functioning
Port Devices
D-Link USB Single PortOutdated
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAOutdated

Scan performed on 10/23/2016, Computer: HP VS312AA-UUG HPE-025be

Outdated or Corrupted drivers:8/22

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) E7320 Memory Controller Hub - 3592Up To Date and Functioning
Mice And Touchpads
Razer USA HID mouseCorrupted By A4tech Swu-21
Wacom HID-compliant mouseUp To Date and Functioning
Usb Devices
Panasonic MN101C93KCorrupted By A4tech Swu-21
Canon Ondersteuning voor USB-afdrukkenUp To Date and Functioning
Motorola Motorola W385Up To Date and Functioning
Sound Cards And Media Devices
Lifeview FlyDVB-T Hybrid miniUp To Date and Functioning
AVerMedia AVerMedia A350 MiniCard Hybrid ATSC TVCorrupted By A4tech Swu-21
Network Cards
Qualcomm Atheros Atheros AR5005G Wireless Network AdapterUp To Date and Functioning
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
Intel(R) 8 Series/C220 Series 2 port Serial ATA Storage Controller - 8C08Up To Date and Functioning
AuthenTec Biometric CoprocessorCorrupted By A4tech Swu-21
Intel Intel(r) AIM External TV Encoder Driver 3Up To Date and Functioning
Google USB Composite DeviceUp To Date and Functioning
Brother USB Printing SupportUp To Date and Functioning
ULi Intel(R) 82801DB/DBM USB 2.0 Enhanced Host Controller - 24CDCorrupted By A4tech Swu-21
Cameras, Webcams And Scanners
USB2.0 PC CAMERA Periferica video USBOutdated
Video Cards
NVIDIA NVIDIA GeForce GT 630MCorrupted By A4tech Swu-21
Input Devices
Logitech USB Input Device (Logitech Download Assistant)Up To Date and Functioning
Port Devices
PROLiNK PROLiNK UI AT Interface (COM7)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Corrupted By A4tech Swu-21
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
A4tech Swu-21 C1.1294212/16/201412/27/2015y-c1.12942.exe117kbToshiba Dynabook Qosmio F20/590LS, NEC PC-MY21AEZR3, Fujitsu FMVNFB75DJ, Panasonic CF-30C4TAABM, NEC PC-GL22ES3GA, Gateway 510 sku, Sony VPCEG15FL, HP HP PAVILION DV9000, HP 110-010xt, Sony VGC-JS53FB_P, LG R580-U.APD1WT, Gigabyte S11M, Fujitsu AMILO Li 2735, Roemer KW28/2007, Lenovo 7484WWY, WIPRO WNB7PBM5100K-0004, and more.
A4tech Swu-21 1.1382.1610/9/201412/27/2015oxm-1.1382.16.exe143kbPackard Bell IPower I9810 GE, HP D5468AT-ABA GX768AA, HP 3082, INVESTRONICA P60, HP HP EliteBook 6930p Notebook PC, ASUS CM5425, HP HP Compaq nc6120, Toshiba Dynabook R731/W2MB, Gateway MX3050b, Dell PowerEdge R410, Panasonic CF-19HH165NW, and more.
A4tech Swu-21 4026911/14/201412/28/2015em-40269.exe42kbLenovo 7484WWY, IBM Razo, HP HP Compaq 8200 Elite CM, HP P6-2007nl, Dimotion PCDO5V3, Packard Bell IMEDIA 9206, Panasonic CF-30KCPRQAM, Gateway 0AAVWP08, Sony VGNFW590GJB, HP AV131AV-ABA e9105z, Sony VGN-NS250TJ, LG LW65-KDTRV, Toshiba Dynabook EX/33JK, Medion P8613, HP HP Compaq nx6115, HP Presario R4000, ASUS P5GD2-TVM, Toshiba SATELLITE C850-1P6, Sony VGN-TZ15AN, and more.
A4tech Swu-21 1.1332.181/2/201512/29/2015-1.1332.18.exe144kbPackard Bell Easynote sb86, LG S1-PRIDE, HP HP Pavilion dv5 Notebook PC, HP HPE-550be, Acer Aspire M7200, HP 100-6100BR, HP P5282A-ABA 9995, Samsung SM50S, Gigabyte MSH61PI-EX, Sun Microsystems Munich, and more.
A4tech Swu-21 21.11.13412/17/201412/29/2015ssmwswvie-21.11.134.exe210kbHP KA763AA-ABU, Fujitsu FMVNT5FT4, IBM ThinkPad R40, Leading Edge LECB7400, Lenovo ThinkPad X100e, NEC PC-MY30AEZ77, HP 220-1100t, Intel S3420GP, LG S1-MOM1E2, EMachines Emachines D525, Dell Dell System Inspiron M4110, Toshiba SATALLITE A300, Fujitsu FMVLX50LX, Sony VGC-RC70S, KOHJINSHA APERA Series, Gateway 710 2900330, Sony PCG-FX33S_BP, Lenovo ThinkPad R61i, and more.
A4tech Swu-21 Z2.130239/19/201412/28/2015bivwc-z2.13023.exe55kbHP Presario 2500, HP HP ProBook 4510s, LG R490-KR8WK, HP KT391AA-AB4 a6590d, Lenovo ThinkPad Edge 15, Gigabyte G33M-S2, Sony VGN-FT92S, Packard Bell EASYNOTE_MX52-B-070, Lenovo ThinkCentre A60, Gateway S2.WNB03.004, Lenovo 57125694, Panasonic CF-53JJCZY1M, HP PX612AA-ABF t3024.f, Sony VGN-AR91PS, and more.
A4tech Swu-21 32.1609/20/201412/28/2015hgufjfb-32.160.exe41kbIBM Lenovo ThinkServer TS200 -[652512G, IBM ThinkPad R50e, Packard Bell EasyNote_BG45-U-002CH, Acer AX12300-U1801A, Toshiba Satellite C870-DMK, IBM 2669WCC, Acer AcerPower 8000, NEC PC-MY18XAZ7HM95, Sony VGN-TZ32VN_X, Samsung SX60P, Toshiba Satellite T130-11U, Panasonic CF-W8GWEZFN2, Panasonic CF-F8GWE08N3, Sony VGN-CR35T_B, and more.
A4tech Swu-21 21.13941/29/201512/27/2015a4tech_swu-21-21.1394.exe91kbAcer Aspire 8943, Acer Veriton L670, HP RQ480AA-ABZ, Sony PCG-GRT896SP, HP P9867A-ABM 743M, Fujitsu FMVNFC60BJ, Daewoo CT7150, HP WC734AA-ABD 1130de, Lenovo ThinkPad X220 Tablet, System76 Leopard Extreme, MSI MS-6711, Acer Aspire 5670, HP D7223D-ABA A530E, OEGStone CS-B, IBM ThinkPad A30, LG LW70-QJMA, and more.
A4tech Swu-21 M821.1079/25/201412/29/2015a4tech_swu-21-m821.107.exe183kbToshiba Dynabook Qosmio T750/T8BS, IBM 6792GGU, NEC PC-VN370CS1KS, HP HP ProBook 6455b, Toshiba Dynabook EX1/524CMEWD, NEC PC-MJ26XRZWTSBJ, IBM 217163G, Gateway FX540B, Sony VGN-FS35LP, ASUS R051PX, Medion P8613, Panasonic CF-19TH1H1QW, Panasonic CF-S8HYEPDR, Toshiba Satellite Pro C650D, MSW GmbH & Co. KG Intel DP55WB, HP 110-010xt, and more.
A4tech Swu-21 71.13892/14/201512/30/2015a4tech_swu-21-71.1389.exe99kbPinnacle C5108, MSI SO-7597, Lenovo ThinkPad Edge E530, HP HP Compaq dc7100 SFF, HP AY627AAR-ABA a4313w, HP HP ProBook 4510s, Sony VPCW12M1E, Acer Aspire 1820PT, IBM 84822RU, Compaq PJ536AA-ABA SR1265CL NA441, Epson Endeavor NY3300S, HP HP Compaq nx6130, ASUS A7V, and more.
A4tech Swu-21 B3289611/30/201412/28/2015a4tech_swu-21-b32896.exe140kbMSI U4-7302, Sony VGN-FZ32G, HP P6-2201sem, Sony VPCEA1S1R, Packard Bell EasyNote_MX37-V-058NL, HP PS351AA-B1U, NEC PC-LL560MG6BL, HP Pavilion dv9500 PC Notebook, HP HP ProBook 4710s, NEC POWERMATE RD3911294AD, Fujitsu MS-6318, HP P6562es, and more.
A4tech Swu-21 R41.178912/10/201412/28/2015a4tech_swu-21-r41.1789.exe101kbPanasonic CF-19HH165NW, IBM 8213WCM, Fujitsu N6220, RM Plc RM ECOQUIET 630A, Acer ATC-603, LG FS-2A35A, Fujitsu FMVLRB7N24, Gigabyte 946GM-S2, NEC PC-GV18YCZR6, Toshiba Dynabook Qosmio T851/D8EB, MIKROLOG S800SE-C6, Positivo POS, NEC PC-MY28AAZ75, LG E300-A.C4RRV, HP PY132AA-AB4 a1180d, Toshiba Dynabook R634/L, WIPRO WIV37455-0067, and more.
A4tech Swu-21 P340732/18/201512/30/2015a4tech_swu-21-p34073.exe27kbDell Vostro 1540, HP HP Compaq DC5850, NEC RND51048395, Notebook W310CZ/CZ-T, Acer Aspire 7740, Lenovo 20AL009CUS, Sony VGC-LA83DB, HP KJ253AA-ABD, NEC PC-VJ26MLZCB, Sony VGN-SZ55B_B, IBM 8307L9U, and more.
A4tech Swu-21 Y226909/1/201412/27/2015a4tech_swu-21-y22690.exe38kbHP PS354AA-ABX, HP HP PAVILION DV9000 KP950EA#ABF, LG P1-JPLCY, MSI GE620, Lenovo 6457WTU, Gateway MX6627, Toshiba SATELLITE PRO C50-A-1J1, Samsung Q320/P320, NEC PC-VJ10MCHE2, Acer Predator G7760, Sony VGN-P45GK_W, LG S1-M223A8, Sony VPCEL13FX, LG R1-GLMMA3, and more.
A4tech Swu-21 M2.132.1749/5/201412/30/2015kew-m2.132.174.exe82kbPackard Bell Ixtreme M6639, MouseComputer Z68A-SD60, NEC PC-MY18XAZE1XTA, Notebook RIM2050, Sony VGNZ798Y/X, Sony VGN-NR270N, HP PS422AA-ABG m1277a, Dimotion PCDN4M38, HP NY584AA-AC4 600-1010b, Fujitsu Amilo M1439 Series, Sony VGN-SZ55B_B, Sony VPCSA3S9R, Fujitsu FMVNF40UBJ, Avermedia TS-400 Series, IBM 2722M3U, IBM 23728EG, HP ED755AA-ABE, Sony PCG-K35, and more.
A4tech Swu-21 1.1201.1210/5/201412/28/2015a4tech_swu-21-1.1201.12.exe217kbSony VPCW21S1R, IBM 81412EG, Fujitsu FPC08001DM, Lenovo ThinkStation E20, Sony VGN-TX73B_B, HP PS225AA-ABE, Dell OptiPlex GX1 600L, Leading Edge LECQ43SOHO, HP GU631AA-UUW, LG S1-QP01HS, and more.
A4tech Swu-21 292.1912/3/201412/29/2015a4tech_swu-21-292.19.exe27kbHP EC581AA-B1U, HP FL422AA-ABT a6613is, Acer Aspire 5735, NEC PC-MY24RAZ75, HP GG692AA-ABZ, HCL Infosystems LUMINA2-LD, Lenovo 6475VE6, IBM 8189D9G, HP CQ2803EDm, IBM 8123Q2B, HP HP d530 CMT, Lenovo ThinkPad X61, Sony VPCZ130GB, Sony VGNFW590FSB, Sony VPCJ126FJ, IBM 25296AG, and more.
A4tech Swu-21 41.1971.19/22/201412/29/2015a4tech_swu-21-41.1971.1.exe99kbIBM 831136U, Lenovo 6458Y6X, Panasonic CF-28PTJGZDM, HP Compaq 610, MSI MS-7327, Packard Bell Ixtreme i7650, Fujitsu FMVA42EWKS, HP Xy107et, IBM 8307GU7, Lenovo ThinkPad SL500, MSI MS-9179, MSI MS-7030, IBM 8114W19, IBM 268452M, HP GG625AA-UUW, Extracomputer D3128-B2, and more.
A4tech Swu-21 T7232.181/19/201512/29/2015a4tech_swu-21-t7232.18.exe39kbIBM 921035M, HP KT439AA-AB4 a6545d, Lenovo 6086WKY, ECS HDC-I, Lenovo 9636/73G, HP Hp elite hpe410f, Packard Bell IMedia D3235, Supermicro X9DRW-7/iTPF, NEC PC-MJ26EBZD1FSG, Lanix LANIX TITAN 3050 VER3, Toshiba EQUIUM S6200, Fujitsu PRIMERGY RX200 S6, Toshiba SATELLITE PRO C850-19G, IBM ThinkPad R51, Panasonic CF-52GUN55NT, Sony PCG-GR214EP, and more.
A4tech Swu-21 71.1872.13/4/201512/28/2015a4tech_swu-21-71.1872.1.exe68kbHP RP847AA-ABZ, FIC VA250U, HP Presario V4000, HP BT434AAR-ABA s5603w, Packard Bell ISTART 8401, Lenovo ThinkCentre A61, Sony VGX-TP1V, Compaq NP291AA-AB2 SR5837CX, Seneca Pro76566, Sony PCG-K215M, Toshiba Dynabook Qosmio D710/T5BB, Sony VGN-UX50, Panasonic CF-W2FWPAXP, IBM IBM System x3200 M2 -[4367I6A, HP G5320it, Lenovo 23242F3, LG R490-KR6WK, and more.
A4tech Swu-21 1.1060611/11/201412/27/2015a4tech_swu-21-1.10606.exe58kbLG S530-L.ACR1AD, Toshiba SATELLITE PRO T130, Lenovo 2756AF8, Supermicro X7QC3, Panasonic CF-53JJCZY1M, Sony VGN-CS26G_R, Dell PowerEdge R410, HP Pavilion ze4400, IBM System x3200 M3 -[7327Z29, HP FJ422AA-UUW, Haier T5B, HP P7-1031, Lenovo 7358W12, Acer TravelMate 5740G, LG B55PS.AR3500D, Acer TM6495T, Toshiba SATELITE, Standard J10IL105, Toshiba Dynabook SS LX/190DR, and more.
A4tech Swu-21 I2.101.12210/2/201412/29/2015wtzm-i2.101.122.exe142kbSony VGN-NS250TJ, LG LW65-KDTRV, Toshiba Dynabook EX/33JK, Medion P8613, HP HP Compaq nx6115, HP Presario R4000, ASUS P5GD2-TVM, Toshiba SATELLITE C850-1P6, Sony VGN-TZ15AN, Compaq Workstatio, Sony VPCF1290X, Gateway GM5643E, TCL N700, Gateway GT5652j, Sony VGN-FE41ZR, Sony SVE1511AGJB, HP G5310be-m, Lenovo 10BE0002GE, and more.
A4tech Swu-21 6090910/30/201412/28/2015a4tech_swu-21-60909.exe87kbHaier T5B, HP Pavilion zx5000, Sony SVE15117FJB, Acer AOA150p/BGW, Sony VGN-CS31Z_Q, Sony VPCSB3AJ, IBM 28815AU, Sony VPCSA3S9R, Compaq PJ688AV-ABA SR1005T NA440, LG F1-225GY, Lenovo ThinkPad X220, Lenovo ThinkPad T420, Sony SVS1312AJA, Supermicro X7DVL-3, HP Db234a-abg 504a, and more.
A4tech Swu-21 822.1801/21/201512/29/2015a4tech_swu-21-822.180.exe208kbDell Vostro 1440, MCJ 9223, Sony VGN-NS220TH, LG F1-225GY, Panasonic CF-18KHVCBBF, HP PS206AA-B14, Lenovo 1049, Lenovo 10385DG, MCJ P55-SD, LG P430-K.AE12B, HP Compaq Mozart CQ50-112eo, HP DA322A-ABZ 434, HP PS414AA-AB5 W1268HK, and more.

Please Note: There are particular operating systems known to have problems with A4tech Swu-21:
  • Windows XP Media Center Edition
  • Windows 7 Professional
  • Windows 7 Home Basic
  • Windows 8 Enterprise
  • Windows XP Tablet PC Edition
  • Windows XP Tablet PC Edition
  • Windows XP Media Center Edition 2003
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific A4tech Swu-21 model.
Laptop A4tech Swu-21Tablet A4tech Swu-21Download A4tech Swu-21Upgrade A4tech Swu-21Update A4tech Swu-212016 A4tech Swu-21Free A4tech Swu-21Data A4tech Swu-21Info A4tech Swu-21Help A4tech Swu-21Guide A4tech Swu-21Comments A4tech Swu-21Windows 10 A4tech Swu-21Vista A4tech Swu-21Windows 7 A4tech Swu-21Install A4tech Swu-21