The OptiPlex 780 is a network device manufactured by Dell. Issues like weak Wi-Fi signal, slow DNS lookup, duplicate IP addresses, slow network and excessive CPU usage can be solved by updating this driver. This update - "R233421.exe" - has an average rating of 5 out of 5 stars based on 8 reviews, and has been downloaded 32 times. The uploader reports that this update will work successfully on PCs running Windows 7, Windows Vista and Windows XP. The total disk space used for this update is 38.1 MB.
OptiPlex 780
3Com 10/100/1000 PCI
3Com 3C1000 Gigabit NIC
3Com 3C940 Gigabit LOM
3Com 3C996 10/100/1000 Server NIC
3Com 3C996 Gigabit Fiber-SX Server NIC
3Com 3C996B Gigabit Server NIC
3Com Dual Port 10/100/1000 PCI-X Server NIC
Windows 7, Windows Vista, Windows XP
A04.00 (21-Mar-2014)
NIC Driver File
Sharmila (DG Staff Member) on 6-Nov-2017
To get the OptiPlex 780 driver, click the green download button above. After you complete your download, move on to Step 2.
If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Dell OptiPlex 780 into the search box above and then submit. In the results, choose the best match for your PC and operating system.
Tech Tip: If you are having trouble deciding which is the right driver, try the Dell Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.
To find the newest driver, you may need to visit the Dell website. Most major device manufacturers update their drivers regularly.
After downloading your new driver, installation is the next step. On Windows, utilize the built-in Device Manager utility to manage this process. This tool provides a comprehensive view of all system-recognized devices and their associated drivers. To complete the installation, a system restart is typically required for the driver update to take effect.
Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.
For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.
The following files are found inside the driver download file.
Name | Size | Date |
---|---|---|
DOS/DosDiag/5703.bin | 2.7 KB | 22 Oct 2002 |
DOS/DosDiag/apediag.bin | 24.1 KB | 9 Mar 2009 |
DOS/DosDiag/b57udiag.exe | 579.0 KB | 8 Jul 2009 |
DOS/DosDiag/cpu.bin | 8.8 KB | 4 Feb 2005 |
DOS/DosDiag/cpu05.bin | 9.2 KB | 20 Dec 2006 |
DOS/DosDiag/cpu14a.bin | 9.5 KB | 20 Dec 2006 |
DOS/DosDiag/cpu14b.bin | 9.4 KB | 20 Dec 2006 |
DOS/DosDiag/cpudg05.bin | 2.5 KB | 4 Feb 2005 |
DOS/DosDiag/cpudiag.bin | 2.8 KB | 4 Feb 2005 |
DOS/DosDiag/cpume.bin | 9.1 KB | 20 Dec 2006 |
DOS/DosDiag/CPUMEM.BIN | 6.8 KB | 14 Nov 2002 |
DOS/DosDiag/cpusc.bin | 9.1 KB | 9 Jun 2008 |
DOS/DosDiag/cpusd.bin | 11.1 KB | 1 May 2008 |
DOS/DosDiag/cpusj.bin | 9.1 KB | 20 Dec 2006 |
DOS/DosDiag/flshd14a.bin | 2.5 KB | 14 Jul 2006 |
DOS/DosDiag/flshd14b.bin | 2.3 KB | 14 Jul 2006 |
DOS/DosDiag/flshdg05.bin | 2.7 KB | 4 Feb 2005 |
DOS/DosDiag/flshdg5x.bin | 3.1 KB | 4 Feb 2005 |
DOS/DosDiag/flshdgsc.bin | 3.4 KB | 10 Jun 2008 |
DOS/DosDiag/flshdgsd.bin | 3.5 KB | 24 May 2007 |
DOS/DosDiag/flshdgsj.bin | 3.1 KB | 21 Sep 2005 |
DOS/DosDiag/FLSHDGTC.BIN | 3.5 KB | 6 Jul 2007 |
DOS/DosDiag/FLSHDIAG.BIN | 1.9 KB | 4 Feb 2005 |
DOS/DosDiag/ump14a.bin | 4.5 KB | 6 May 2005 |
DOS/DosDiag/ump14b.bin | 4.6 KB | 6 May 2005 |
DOS/NDIS2/B57.dos | 56.0 KB | 27 Mar 2009 |
DOS/NDIS2/oemsetup.inf | 210 bytes | 27 Mar 2009 |
DOS/NDIS2/PROTOCOL.INI | 1.0 KB | 27 Mar 2009 |
DOS/NDIS2/readme.txt | 4.4 KB | 27 Mar 2009 |
DOS/ODI/b57.com | 61.2 KB | 27 Mar 2009 |
DOS/ODI/B57.INS | 236 bytes | 27 Mar 2009 |
DOS/ODI/NET.CFG | 319 bytes | 27 Mar 2009 |
DOS/ODI/readme.txt | 3.8 KB | 27 Mar 2009 |
Vista/b57nd60x.cat | 63.6 KB | 30 Jun 2009 |
Vista/b57nd60x.inf | 319.3 KB | 28 Jun 2009 |
Vista/b57nd60x.sys | 260.6 KB | 31 May 2009 |
Vista/k57nd60x.cat | 20.7 KB | 25 Jun 2009 |
Vista/k57nd60x.inf | 42.3 KB | 20 Jun 2009 |
Vista/k57nd60x.sys | 273.4 KB | 20 Jun 2009 |
Win 7/b57nd60x.cat | 63.6 KB | 30 Jun 2009 |
Win 7/b57nd60x.inf | 319.3 KB | 28 Jun 2009 |
Win 7/b57nd60x.sys | 260.6 KB | 31 May 2009 |
Win 7/k57nd60x.cat | 20.7 KB | 25 Jun 2009 |
Win 7/k57nd60x.inf | 42.3 KB | 20 Jun 2009 |
Win 7/k57nd60x.sys | 273.4 KB | 20 Jun 2009 |
XP/b57w2k.sys | 201.8 KB | 31 May 2009 |
XP/b57win32.cat | 68.3 KB | 30 Jun 2009 |
XP/b57win32.inf | 181.1 KB | 28 Jun 2009 |
XP/b57xp32.sys | 210.0 KB | 31 May 2009 |
XP/k57w2k.sys | 201.8 KB | 31 May 2009 |
XP/k57win32.cat | 19.2 KB | 12 Jun 2009 |
XP/k57win32.inf | 21.6 KB | 31 May 2009 |
XP/k57xp32.sys | 210.0 KB | 31 May 2009 |
setup.exe | 36.6 MB | 7 Jul 2009 |
Version.txt | 742 bytes | 15 Mar 2010 |