3/28/2017 new driver models for direct download:1029
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 3/28/2017 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: 3/25/2017
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: 2/4/2017

Direct Downloads: 89
Most Recent Download: 3/27/2017
Managed Downloads: 4666
Most Recent Download: 3/27/2017
Download Mirrors: 5
Current Delay: 30 Seconds
Driver License: FS {free software}

Direct Download Success Stats:

Reports Issued By 83/89 Users

Success Reported By 17/83 Users

Driver Download Score75/100

Driver Installation Score63/100

Overall preformance Score72/100

A4tech Swu-21 2 Thumbs Up2Thumbs
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 4198/4666 Users

Success Reported By 3544/4198 Users

Driver Download Score80/100

Driver Installation Score79/100

Overall preformance Score80/100

A4tech Swu-21 3284 Thumbs Up3284Thumbs
A4tech Swu-21 289 Thumbs Down289Thumbs
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 3/28/2017, Computer: Sony VGN-NS25G_S

Outdated or Corrupted drivers:5/23

Device/DriverStatusStatus DescriptionUpdated By Scanner
Matrox Graphics ULi USB 2.0 Enhanced Host ControllerUp To Date and Functioning
Mice And Touchpads
Alps Alps Pointing-deviceUp To Date and Functioning
Logitech HID mouseUp To Date and Functioning
Usb Devices
Sierra Wireless Sierra Wireless TRU-InstallUp To Date and Functioning
Sierra Wireless Sierra Wireless Tethered HotspotUp To Date and Functioning
Sound Cards And Media Devices
Intel(R) Intel(R) Display-AudioUp To Date and Functioning
Sony Multimedia Video ControllerUp To Date and Functioning
ASUSTek ASUSTeK TV7134 BDA Video CaptureUp To Date and Functioning
Network Cards
Buffalo BUFFALO WLI-UC-GNM Wireless LAN AdapterUp To Date and Functioning
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
Intel(R) Mobile Express Chipset SATA AHCI ControllerUp To Date and Functioning
SMSC SMSC IrCC - Fast Infrared PortUp To Date and Functioning
Point Grey Research Texas Instruments 1394 OHCI Compliant Host ControllerCorrupted By A4tech Swu-21
Intel Intel(r) AIM External TV Encoder Driver 1Up To Date and Functioning
ENE ENE CB-1410/851 Cardbus ControllerCorrupted By A4tech Swu-21
Intel HID Sensor CollectionCorrupted By A4tech Swu-21
Intel(R) Graphics Platform (SoftBIOS) DriverCorrupted By A4tech Swu-21
Cameras, Webcams And Scanners
USB2.0 PC CAMERA Periferica video USBCorrupted By A4tech Swu-21
Video Cards
NVIDIA NVIDIA GeForce4 MX 440Up To Date and Functioning
Input Devices
Microsoft Microsoft Hardware USB KeyboardUp To Date and Functioning
Port Devices
Alcatel MT6235Up 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 3/28/2017, Computer: HP G5350nl

Outdated or Corrupted drivers:11/23

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) 80333 PCI Express-to-PCI Bridge B - 0372Up To Date and Functioning
Mice And Touchpads
Logitech Logitech iFeel Mouse (USB)Outdated
Synaptics Synaptics Composite USB HID DeviceUp To Date and Functioning
Logitech HID mouseOutdated
Usb Devices
VIA VIA USB eXtensible Host ControllerUp To Date and Functioning
Huawei USB Mass Storage DeviceUp To Date and Functioning
Advanced Micro Devices AMD USB 3.0 eXtensible Host Controller - 0096 (Microsoft)Corrupted By A4tech Swu-21
Sound Cards And Media Devices
Realtek High Definition Audio-enhetCorrupted By A4tech Swu-21
10moons MD MPEG-4 video CardUp To Date and Functioning
NVIDIA MPU-401 Compatible MIDI DeviceUp To Date and Functioning
Network Cards
Realtek Realtek RTL8188CE Wireless LAN 802.11n PCI-E NICUp To Date and Functioning
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
ALi Coporation Controller IDE Bus Master PCI M5229 ALiOutdated
Intel Intel(r) AIM External Flat Panel Driver 4Up To Date and Functioning
ULi Intel(R) 82801DB/DBM USB 2.0 forbedret vertskontroller - 24CDOutdated
NEC Texas Instruments PCIxx21/x515 Cardbus ControllerOutdated
Microsoft Texas Instruments PCI-8x12/7x12/6x12 CardBus ControllerUp To Date and Functioning
Cameras, Webcams And Scanners
Intel Canon EOS 500DUp To Date and Functioning
Video Cards
ATI ATI MOBILITY RADEON 9600/9700 SeriesUp To Date and Functioning
Input Devices
Sony Sony Firmware Extension Parser DeviceCorrupted By A4tech Swu-21
Port Devices
Microsoft Communications Port (COM1)Corrupted By A4tech Swu-21
Sony Digital Flat Panel (1024x768)Outdated
Mobile Phones And Portable Devices
Acer NOKIACorrupted By A4tech Swu-21
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
A4tech Swu-21 C1.1294212/16/201412/27/2016y-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 1.1382.1610/9/201412/27/2016oxm-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 4026911/14/201412/28/2016em-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 1.1332.181/2/201512/29/2016-1.1332.18.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 21.11.13412/17/201412/29/2016ssmwswvie-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 Z2.130239/19/201412/28/2016bivwc-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 32.1609/20/201412/28/2016hgufjfb-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 21.13941/29/201512/27/2016a4tech_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 M821.1079/25/201412/29/2016a4tech_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 71.13892/14/201512/30/2016a4tech_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 B3289611/30/201412/28/2016a4tech_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 R41.178912/10/201412/28/2016a4tech_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 P340732/18/201512/30/2016a4tech_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 Y226909/1/201412/27/2016a4tech_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 M2.132.1749/5/201412/30/2016kew-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 1.1201.1210/5/201412/28/2016a4tech_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-21 292.1912/3/201412/29/2016a4tech_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 41.1971.19/22/201412/29/2016a4tech_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 T7232.181/19/201512/29/2016a4tech_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 71.1872.13/4/201512/28/2016a4tech_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 1.1060611/11/201412/27/2016a4tech_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 I2.101.12210/2/201412/29/2016wtzm-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 6090910/30/201412/28/2016a4tech_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-21 822.1801/21/201512/29/2016a4tech_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-212017 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