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2/24/2017 new driver models for direct download:521
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Benq Ds550 Dx550 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for Benq Ds550 Dx550
Certifications for Benq Ds550 Dx550
5 stars for Benq Ds550 Dx550 "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 2/24/2017 Updates

All drivers on semantic.gs are updated on daily basis.

However, a new version of Benq Ds550 Dx550 might have been uploaded since our last site update.

Benq Ds550 Dx550 Driver Download

Windows Compatibility for Benq Ds550 Dx550 driver

Benq Ds550 Dx550 Driver Details:

Benq Ds550 Dx550 File Name: benq_ds550_dx550.zip

Benq Ds550 Dx550 Driver Version: 520Q9U0S4

Benq Ds550 Dx550 ZIP Size: 122.kb

Manufacturer: Benq

Benq Ds550 Dx550 was fully scanned at: 2/20/2017
Scan Status: driver download scanOK

Benq Ds550 Dx550 special revision for: Windows 7 Service Pack 1 (Microsoft Windows NT) 32 bit, Windows 7 Professional 64 bit, Windows 7 Home Premium 64 bit, Windows Vista Business 64 bit, Windows XP Media Center Edition 2005 64 bit, Windows 8 Enterprise 32 bit, Windows RT 32 bit, Windows Vista Ultimate 32 bit, Windows 10 32 bit, Windows 8 32 bit, Windows XP Home Edition, for home desktops and laptops 32 bit, Windows XP Tablet PC Edition 32 bit, Windows Vista Starter 64 bit, Windows XP Media Center Edition 32 bit

Benq Ds550 Dx550 Download Stats:

Driver Uploaded: 2/20/2017

Direct Downloads: 446
Most Recent Download: 2/22/2017
Managed Downloads: 3313
Most Recent Download: 2/21/2017
Download Mirrors: 3
Current Delay: 13 Seconds
Driver License: Free to the general public

Direct Download Success Stats:

Reports Issued By 379/446 Users

Success Reported By 85/379 Users

Driver Download Score65/100

Driver Installation Score67/100

Overall preformance Score67/100

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Benq Ds550 Dx550 11 Thumbs Down11Thumbs
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Benq Ds550 Dx550 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 2598/3313 Users

Success Reported By 2079/2598 Users

Driver Download Score95/100

Driver Installation Score83/100

Overall preformance Score95/100

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Benq Ds550 Dx550 218 Thumbs Down218Thumbs
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Benq Ds550 Dx550 driver installation manager was reported as very satisfying by a large percentage of our reporters, so it is recommended to download and install.

DOWNLOAD OPTIONS:

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 Benq Ds550 Dx550 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 Benq Ds550 Dx550 + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing Benq Ds550 Dx550, or the driver installation manager, take a few minutes to send us a report:
* Only registered users can upload a report.

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Benq Ds550 Dx550 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 Benq Ds550 Dx550 disfunctions.

Scan performed on 2/24/2017, Computer: Toshiba NB300-10D

Outdated or Corrupted drivers:12/22

Device/DriverStatusStatus DescriptionUpdated By Scanner
Motherboards
Intel(R) ICH10 Family PCI Express Root Port 2 - 3A72Up To Date and Functioning
Mice And Touchpads
Microsoft Logitech First/Pilot Mouse+ (USB)Outdated
Elo TouchSystems USB Human Interface DeviceUp To Date and Functioning
Usb Devices
OEM Feitian ROCKEY4 USBCorrupted By Benq Ds550 Dx550
VMware VMware USB DeviceUp To Date and Functioning
Atheros USB DeviceUp To Date and Functioning
Sound Cards And Media Devices
Creative Creative SB Audigy 4 (WDM)Up To Date and Functioning
Broadcom Audio BluetoothCorrupted By Benq Ds550 Dx550
Network Cards
Intel(R) Wireless-N 7260Up To Date and Functioning
Keyboards
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
Ricoh SDA-Standard konformer SD-HostcontrollerUp To Date and Functioning
Others
Intel Intel(r) AIM External TV Encoder Driver 5Corrupted By Benq Ds550 Dx550
Microsoft Texas Instruments PCI-1520 CardBus ControllerCorrupted By Benq Ds550 Dx550
AuthenTec Biometric CoprocessorCorrupted By Benq Ds550 Dx550
Intel Intel(r) AIM External Flat Panel Driver 4Corrupted By Benq Ds550 Dx550
Hewlett-Packard psc 1200 (USBPRINT)Up To Date and Functioning
Cameras, Webcams And Scanners
Canon CanoScan LiDE 110Corrupted By Benq Ds550 Dx550
Video Cards
ATI RADEON X600 Series (Microsoft Corporation - WDDM)Outdated
Input Devices
Logitech Logitech Optical Tilt Wheel MouseCorrupted By Benq Ds550 Dx550
Port Devices
MediaTek DA USB VCOM Port (COM11)Outdated
Monitors
Sony Digital Flat Panel (1024x768)Corrupted By Benq Ds550 Dx550
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning

Scan performed on 2/24/2017, Computer: Dell Precision R7610

Outdated or Corrupted drivers:7/19

Device/DriverStatusStatus DescriptionUpdated By Scanner
Motherboards
Intel(R) 82801DBM PCI Bridge - 2448Up To Date and Functioning
Mice And Touchpads
Microsoft HID-compliant muisUp To Date and Functioning
Usb Devices
Logitech Logitech Webcam C210Corrupted By Benq Ds550 Dx550
Sound Cards And Media Devices
Broadcom Bluetooth Stereo AudioUp To Date and Functioning
Network Cards
Ralink 802.11n-Drahtlos-LAN-KarteUp To Date and Functioning
Keyboards
Microsoft Keyboard Device FilterCorrupted By Benq Ds550 Dx550
Hard Disk Controller
Intel(R) 82801DB Ultra ATA Storage Controller - 24CBUp To Date and Functioning
Others
Intel Intel(r) AIM External Flat Panel Driver 4Up To Date and Functioning
Initio Initio Default ControllerOutdated
SMSC SMSC Fast Infrared DriverUp To Date and Functioning
AuthenTec AuthenTec AES3500 TruePrint SensorOutdated
AuthenTec Biometric CoprocessorUp To Date and Functioning
UPEK TouchChip Fingerprint CoprocessorUp To Date and Functioning
Cameras, Webcams And Scanners
EPSON EPSON Stylus CX6400Up To Date and Functioning
Video Cards
VIA/S3G VIA/S3G UniChrome Pro IGPCorrupted By Benq Ds550 Dx550
Input Devices
Hewlett-Packard HP Link-5 micro dongleCorrupted By Benq Ds550 Dx550
Port Devices
Mobile Connector Device Diagnostic Interface (COM11)Up To Date and Functioning
Monitors
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAOutdated
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
Benq Ds550 Dx550 21.1621/11/201512/29/2016benq_ds550_dx550-21.162.exe29kbLG RD560-C.ADB1F4, Dell Dell System Inspiron M4110, RM Plc RM ECOQUIET 630A, Panasonic CF-SX1GEFDP, VIA VT8653-8233, NEC PC-LL370RG1KS, Lenovo 20131, HP Compaq nx9030, HP RR518AA-ABH S7730, Fujitsu FMVD53C011, ByteSpeed ByteSpeed Laptop UT40, Samsung R510/P510, Toshiba NB100, AT ALSEN, Packard Bell EASYNOTE PB62S00106, IBM IBM System x3200 -[7042C06, NEC PC-VY22MAZ7A, and more.
Benq Ds550 Dx550 2.1326610/7/201412/28/2016benq_ds550_dx550-2.13266.exe110kbHP KE530AA-ABD a6212de, HP HP Compaq 7900, Sony VGN-SZ38GP, IBM 8113VW1, Sony VGN-NR270N, Sony VPCCA2Z0E, ASUS G70AB, Dell PowerEdge 1600SC, HP HP 14 Notebook PC, Toshiba SATELLITE C850-12M, and more.
Benq Ds550 Dx550 3331.1612/7/201412/30/2016benq_ds550_dx550-3331.16.exe184kbDell Inspiron 20 Model 3048, Supermicro X7DB8-X, LG P1-JPLCY, MSI MS-6508, Sony VGN-FE18GP, IBM 2366GG4, ALFATRON SpA DN1010/M, Panasonic CF-W2EC1AXS, Sony VPCCA2Z0E, Sony VGN-NS38M_S, HP HP Pavilion dv2700 Notebook PC, HP GG625AA-UUW a6032.sc, APC4R APC4R116, Intel SBD2B014, CASPER CASPERPRO, Apple Macmini3,1, and more.
Benq Ds550 Dx550 C1.1233012/22/201412/28/2016benq_ds550_dx550-c1.12330.exe30kbAcer Veriton Z290G, Fujitsu FMVA42EWB, Fujitsu FMVLX70WDJ, NEC PC-VW770FS6B, NEC PC-MY26RAZ77S96, Advent PQG9002, NEC PC-VK21LLNT3GSC, Acer Aspire 1820PTZ, ARLT Computer Produkte Quattro Power Station GTX 550 SNB, HP D7219A-ABA 555Y, HP Pavilion zv5000, Lenovo 3000 N100 Notebook, AnabelleB Soho WN10, Dell PowerEdge R905, Fujitsu AMILO Desktop La3740, IBM 8114WGZ, NEC PC-LF7506D1FL, Acer Aspire 1820PT, and more.
Benq Ds550 Dx550 371.199/2/201412/28/2016benq_ds550_dx550-371.19.exe184kbFujitsu D2178-A1, HP HP Compaq 6515b, LG LM50-34GB, HP A0316001, MSI MSI Notebook EX630, IBM 8171VRJ, Gateway FX7029E, Compaq PS430AA-ABG SR1380AN AN510, Toshiba Dynabook AX/3527CMSB, LG LW70-QJMA, and more.
Benq Ds550 Dx550 Z40841.110/23/201412/27/2016benq_ds550_dx550-z40841.1.exe203kbCompaq FJ403AA-AB9 SR5502PT, WIPRO WIV37455-0252, Seneca U53131, Foxconn AT-7000 Series, Lenovo ThinkPad Edge E530c, Fujitsu FMVNB16C, HP DF194A-ABZ 484, Intel WIV68805-0052, HP Compaq 615, ELITEGROUP 330, NEC PC-LL750NSB-YC, IBM IBM System x3400 M2 Server -[7837K9G, Seneca V63909, Sony VGC-RT150DY, and more.
Benq Ds550 Dx550 K8048612/16/201412/27/2016benq_ds550_dx550-k80486.exe122kbGateway 0AAVWP08, Toshiba S A110-160, Toshiba SATELLITE L850-A891, Packard Bell OneTwo M3450, IBM 2373X1E, Shuttle Shuttle System, Buympc MPC Compute, Samsung P580, IBM 2366GG4, HP HP Pavilion dv9870 Notebook PC, HP GX709AA-ABM s3310la, Acer Veriton Z290G, HP S5-1435d, HP Pavilion dv9500 PC Notebook, Lenovo ThinkPad T400s, Northern Micro P9X79-IN, and more.
Benq Ds550 Dx550 41.12.12812/26/201412/27/2016benq_ds550_dx550-41.12.128.exe28kbFujitsu FMVLX50WD, Dell Inspiron M4040, NEC PC-VY16MRFJAFUX, Compaq PN124AA-ABU SR1219UK GB440, HP GG020AA-AB3 g3085l, Sony VGN-Z21WN_B, LG E300-A.C4RRV, Sony VPCEJ3D1E, Fujitsu FMVTX95SD, IBM IBM System X3100 M4 -[2582K1G, and more.
Benq Ds550 Dx550 X2.1227010/25/201412/30/2016benq_ds550_dx550-x2.12270.exe210kbHP HP Pavilion dv7 Noteblook PC, Lenovo ThinkPad Edge E330, Compaq FQ552AA-ABA SR5616F, HP Pavilion zd8000, LG S1-M402E1, HP P9921A-ABA 743c, Toshiba Dynabook Satellite J62 166D/5X, Gateway E-9520T, HP PX635AA-ABU t3040.uk, ByteSpeed BYTESPED, and more.
Benq Ds550 Dx550 424639/16/201412/28/2016x-42463.exe113kbToshiba SATELLITE C850-12M, LG R510-L.C2O1Z, Sony VPCEA23EN, HP S5-1217, Toshiba Satellite C850-B843, Compaq DD373A-ABY 6650 DK110, Packard Bell EASYNOTE_MX52-B-551NC, Sony VGN-FE18GP, Fujitsu FMVA54EW, Compaq DQ119A-ABZ S5400IT IT340, Gericom Phantom, LG LE50-5B142T, Acer AcerPower 8000, Gigabyte M1022E, HP PE525A-ABS a509.se, HP KB003AA-B14 m9180.be-a, Toshiba EQUIUM S6200, IBM NetVista personal computer, and more.
Benq Ds550 Dx550 231.171.11/4/201512/30/2016benq_ds550_dx550-231.171.1.exe212kbSony VPCEA23EN, Compaq Presario 6266EA, Sony VPCEB3S1E, HP PX568AA-ABY t3040.dk, Fujitsu PRIMERGY RX100 S6, AT TRILINE PROFI I102, Sony VGN-SR36GN_B, IBM 8142LU2, AMD & ATI P030A, Toshiba SATELLITE NB10t-A-103, Seneca Pro52700, Toshiba SATELLITE C850D-131, HP NR043AA-ACP p6035at, Acer AS5320, LG XNOTE, Cybernet Manufacturing CyberMed N19, HP NY438AA-ABA p6115y, LG R480-K.APC2BA3, and more.
Benq Ds550 Dx550 V31.13712/13/201412/27/2016-v31.137.exe199kbGateway GM5485H, HP T3735tr-AB8 RR879AA, Sony VPCEL15EN, Fujitsu FMVNXA90N, Compaq FQ552AA-ABA SR5616F, Panasonic CF-SX1GEFDP, Sony VPCEH3T9E, Lenovo 2876AR1, HP EJ237AA-ABF w5267.f, Samsung R510/P510, and more.
Benq Ds550 Dx550 1.122.1232/27/201512/29/2016benq_ds550_dx550-1.122.123.exe55kbDell OptiPlex GX1 500MTbr+, Lenovo 6483WNQ, NEC PC-LS150HS1KSG, HP EP245AA-ABU m7385.uk, Acer Aspire 5735Z, Panasonic CF-SX2BE4BP, LG R380-A.APC4BA3, Gateway 4028GZ, Supermicro P4SAA, Toshiba Dynabook R822/WT9GS, HP HP HDX 16, Lanix Lanix Corp, HP HPE-310t, and more.
Benq Ds550 Dx550 P232.19911/26/201412/28/2016benq_ds550_dx550-p232.199.exe38kbSony VGN-CS160F, WIPRO WIV37455-0252, Sony VGN-FE17SP, Toshiba SATELLITE L850-1J9, Lenovo ThinkPad Edge 13, NEC PC-MJ26EBZD1FSG, Compaq EP103AA-ABU SR1709UK GB610, NEC PC-GL20ES3L6, Epson Endeavor AT205, Lanix LANIX CORP 4130, Toshiba SATELLITE L870-16L, HP HP PAVILION DV9000 KP950EA#ABF, and more.
Benq Ds550 Dx550 M231.1042/19/201512/29/2016gghceya-m231.104.exe165kbNEC PC-VJ22ERNTHGLB, Panasonic CF-19KDR01CE, Dell Vostro 3446, Gateway E-5200, Toshiba Dynabook T552/36FBK, NEC PC-VJ27MBZDG, LG LW40-J4JE2, HP P8315A-ABZ 451, IBM 8307L9U, Fujitsu CELSIUS M730powe, Sony VPCSA4AGX, Lenovo ThinkCentre M90p, HP NC787AA-AKL s3789d, Panasonic CF-Y2FW7AXS, HP Presario V6000, HP HP Compaq nc6000, HP PS226AA-ABE t840.es, and more.
Benq Ds550 Dx550 O73071.19/10/201412/30/2016benq_ds550_dx550-o73071.1.exe90kbDell PowerEdge SC1420, LG RD580-E.ADE1BF2, HP GB323AA-B1U d4840.se, Sony PCG-GRX616SP, TEKNOSERVICE TTL TEKNOPRO, NEC PC-MY26RAZ77S96, Acer Aspire E5-511P, IBM 818361U, Lenovo 7358W17, LG S1-MDGLG, Lenovo ThinkCentre M70e, Sony VGN-FZ290FU, Sony VGN-P45GK_W, Sony VGN-FE770G, ECS Z77H2-A2X Deluxe, Fujitsu FMVA30DN, IBM 682466A, HP 500-129, HP GX611AA-ABA m8300f, and more.
Benq Ds550 Dx550 202341/7/201512/27/2016benq_ds550_dx550-20234.exe58kbFujitsu LifeBook A6210, Fujitsu LIFEBOOK NH532, Gateway MX6422, Sony VGN-FW190CU, Toshiba SATELLITE C855-1QG, Packard Bell EASYNOTE SW85, TAROX Business PC 3200, Toshiba SATELLITE C855-1LC, IBM ThinkPad R51, Sony PCV-RZ502P, MSI MS-6508, IBM 831136U, Panasonic CF-30KBPAX2M, HP HP compaq nx7000, HP AU917AA-ABA e9270f, HP WL327AA-ABD p6328de, Fujitsu FMVNB5Y3, and more.
Benq Ds550 Dx550 622.131.111/10/201412/29/2016benq_ds550_dx550-622.131.1.exe126kbLG LW70-QJMA, HP PS318AA-ABY t870.dk, ASUS CG5290, WIPRO WSG37425V-0038, Sony VPCEB1E1E, Gateway FX4710-UB802A, RM Plc W761tg, Toshiba SATELLITE PRO C850-19G, LG Z20NQ.AS57B2E, Medion P7618, HP 520-1070uk, and more.
Benq Ds550 Dx550 X4362.179/11/201412/30/2016hzaew-x4362.17.exe68kbFujitsu ESPRIMO E900 0-Watt, HP HP Pavilion dv8000, Acer Aspire 1820, LG F1-225GY, Panasonic CF-Y7BWTAJS, IBM ThinkCentre A51, Sony SVE15138CGS, Lenovo 8933W91, HP PN239AA-ABZ m1180.it, Sony VPCX115LW, Intel Crestline, IBM 184469U, Panasonic CF-19KHRAXAG, Toshiba Dynabook T552/58HRJ, Lenovo 9174Y1A, Compaq PN124AA-ABU SR1219UK GB440, NEC PC-MY18XEZ78, HP P6620jp, and more.
Benq Ds550 Dx550 633043/9/201512/28/2016egj-63304.exe24kbNEC PC-GV30H2ZG3, Compaq VT590AA-ABM CQ2404LA, Fujitsu FMVLX70SDG, IBM 6223Y32, IBM 2656E6U, HP PX588AA-ABX w5080.fi, Intel S3420GPC, Matsonic MS9387E, HP EJ218AA-B14 w5240.be, NEC PC-MJ29MLZ2JCSG, IBM 2652P5U, LG RD580-E.ADE1BF2, HP HP Pavilion ze2000, LG R490-KR6WK, and more.
Benq Ds550 Dx550 4391.11.19/25/201412/27/2016benq_ds550_dx550-4391.11.1.exe44kbSony VGN-SZ32GP_B, Sony VGN-BX760P, HP PS350AA-ABS 1240.se, Gateway P-7805g, NEC EASYNOTE PB11400006, Panasonic CF-SX2JE4DS, Compaq KY718AA-UUB CQ3058HK, Toshiba SATELLITE C50-A-14V, HP DC484A-ABA 894C, HP HP Pavilion dv9000 GU136EA#ABF, NEC PC-VN790FS, Dimotion PCDN4M38, Fujitsu Blubb, HP RR523AA-UUW s7721.sc, HP HP Pavilion DV9670EM, Sony VGN-AW25GJ_H, and more.
Benq Ds550 Dx550 1.11.1091.110/24/201412/30/2016benq_ds550_dx550-1.11.1091.1.exe22kbHP HP Pavilion dv2700 Notebook PC, HP GG625AA-UUW a6032.sc, APC4R APC4R116, Intel SBD2B014, CASPER CASPERPRO, Apple Macmini3,1, Compaq GB376AA-ABE SR2237ES, HP G5317de, Lenovo 6457WKW, HP FQ562AA-A2L m9500f, Gigabyte G31M-ES2C, HP HP ProBook 6555b, HP PS384AA-B1U d1291.se, Fujitsu AMILO Desktop La3740, HP KT541AA-UUB a6528hk, and more.
Benq Ds550 Dx550 C2.1332.1212/26/201412/30/2016benq_ds550_dx550-c2.1332.12.exe53kbSony VGN-CR21E_W, ECS M916, Sony PCG-GRX616SP, HP GL318AA-B1U d4896.se, Panasonic CF-N9LWRJDS, Acer Aspire 5940G, HP FJ422AA-UUW a6551.sc, IBM 23736G4, HP HP Compaq nx6325, Gigabyte G41MT-D3V, HP 520-1070uk, Compaq ED879AA-ABA SR1638NX NA540, Acer Aspire 182dPTZ, Sony VPCEC390X, Packard Bell IXTREME 6516, and more.
Benq Ds550 Dx550 1.11.141.171/5/201512/29/2016benq_ds550_dx550-1.11.141.17.exe179kbSony VGN-UX91S, HP HP d530 CMT, Sony VPCCW2AFJ, Samsung SX60P, IBM 8309K1G, Sony PCG-TR3_B, Compaq EL445AA-ABA SR1750NX NA651, Sony VPCW21C7E, Dell Vostro 3555, Toshiba Satellite L855-S5405, and more.
Benq Ds550 Dx550 2.11.12.10212/28/201412/30/2016benq_ds550_dx550-2.11.12.102.exe51kbToshiba Dynabook REGZA PC D731/T7DRS, HP PX679AA-B1U d4040.se, NT Computer ACCENT Q 6600/501, Seneca Pro76566, Toshiba Dynabook R822/WT9GS, Sony VGN-SZ7AWN_C, Lenovo ThinkPad T530i, HP HP Pavilion dv2700 Notebook PC, NEC PC-VW770FS6B, IBM 8124PAT, Sony VGN-G21XP_B, HP HP Compaq nx7300, HP S5-1445b, IBM System x3200 M3 -[732754M, ASUS BP5275, HP PAVILION DV8000, and more.
Benq Ds550 Dx550 4307010/31/201412/29/2016benq_ds550_dx550-43070.exe199kbLG R200-D.CPF1A9, Lenovo A619137, Lenovo ThinkPad T410, Toshiba SATELLITE P50-A-14L, HP P9867A-ABM 743M, Sony VPCSB3AJ, Packard Bell IMEDIA 8006, Toshiba SATELLITE C855-1NF, Sony VGN-TZ27LN_B, MSI GP60 2PE, Panasonic CF-W2EC1AXS, LG R460-K.ABLGL, HP Pavilion dv9000, IBM 26478PU, NEC VERSAE3100 NN780248559, and more.
Benq Ds550 Dx550 B701.171.111/5/201412/28/2016benq_ds550_dx550-b701.171.1.exe39kbGateway 510 2900039, HP P6-2007nl, Toshiba SATELLITE C55-A-11L, MCJ AMIS, Intel IntelDQ965GF, Sony VPCW21A7E, HP HP G60 Notebook PC, HP HP nx9000, Compaq FK583AA-A2L SR5633WM, Pegatron C17B, IBM 6221PMG, Dell Vostro 200, and more.


Please Note: There are particular operating systems known to have problems with Benq Ds550 Dx550:
  • Windows Vista Business
  • Windows XP Media Center Edition
  • Windows 8 Enterprise
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific Benq Ds550 Dx550 model.
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