Dell OptiPlex 990 Driver Download (Official)
The OptiPlex 990 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 version of "NIC_DRVR_WIN_R291627.EXE" has been downloaded 181 times with a user rating of 5 out of 5 stars, based on 5 reviews. 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 11.7 MB.
Supported Models
OptiPlex 990
Intel 82579LM Gigabit Network Connection
Intel 82579V Gigabit Network Connection
Manufacturers
Supported Operating Systems
Windows 7, Windows 7 (64 bit), Windows Vista, Windows Vista (64 bit), Windows XP, Windows XP (64 bit)
File Name
Versions
11.8.81.0 (21-Mar-2014)
Additional Notes
LAN Driver File
Uploaded By
Sharmila (DG Staff Member) on 26-Sep-2017
Related Driver Updates
How to Update OptiPlex 990 Device Drivers
Step 1 - Download Your Driver
To get the OptiPlex 990 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 990 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.
Step 2 - Install Your Driver
To install your new driver on Windows:
Right-click the Start button.
Click "Device Manager">
Find your device in the list.
Right-click the device and select "Update driver"
Follow the steps on screen.
Restart your computer when done.
This keeps your computer working at its best.
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.
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| DOS/diags/DIAGS.EXE | 447.0 KB | 28 Oct 2010 |
| DOS/NDIS2/e1000.dos | 60.7 KB | 23 Sep 2010 |
| DOS/NDIS2/oemsetup.inf | 813 bytes | 23 Sep 2010 |
| DOS/NDIS2/protocol.ini | 578 bytes | 27 Aug 2010 |
| DOS/ODI/e1000odi.com | 48.1 KB | 21 Sep 2010 |
| DOS/ODI/net.cfg | 506 bytes | 9 Nov 2000 |
| mup.xml | 8.5 KB | 26 Nov 2010 |
| package.xml | 48.0 KB | 16 May 2011 |
| Setup.exe | 3.5 MB | 10 Nov 2010 |
| unattend/PushXP.txt | 6.3 KB | 27 May 2006 |
| unattend/Unattend.txt | 986 bytes | 27 May 2006 |
| VISTA-x64/e1c60x64.cat | 10.5 KB | 9 Nov 2010 |
| VISTA-x64/e1c60x64.din | 3.1 KB | 23 Dec 2009 |
| VISTA-x64/E1c60x64.inf | 87.6 KB | 29 Oct 2010 |
| VISTA-x64/e1c60x64.sys | 293.6 KB | 13 Oct 2010 |
| VISTA-x64/e1cmsg.dll | 68.3 KB | 30 Jul 2010 |
| VISTA-x64/NicCo26.dll | 36.5 KB | 24 Aug 2007 |
| VISTA-x64/NicInstC.dll | 92.4 KB | 11 Oct 2010 |
| VISTA-x64/PROUnstl.exe | 314.6 KB | 7 May 2010 |
| VISTA-x64/Readme.txt | 741 bytes | 9 Nov 2010 |
| VISTA-x64/Release.txt | 14.8 KB | 9 Nov 2010 |
| VISTA-x86/e1c6032.cat | 10.5 KB | 9 Nov 2010 |
| VISTA-x86/e1c6032.din | 3.1 KB | 23 Dec 2009 |
| VISTA-x86/E1c6032.inf | 87.5 KB | 29 Oct 2010 |
| VISTA-x86/e1c6032.sys | 208.6 KB | 13 Oct 2010 |
| VISTA-x86/e1cmsg.dll | 68.3 KB | 30 Jul 2010 |
| VISTA-x86/NicCo26.dll | 28.3 KB | 24 Aug 2007 |
| VISTA-x86/NicInstC.dll | 75.5 KB | 11 Oct 2010 |
| VISTA-x86/PROUnstl.exe | 265.4 KB | 7 May 2010 |
| VISTA-x86/Readme.txt | 741 bytes | 9 Nov 2010 |
| VISTA-x86/Release.txt | 14.8 KB | 9 Nov 2010 |
| WINDOWS7-x64/E1c62x64.cat | 10.5 KB | 9 Nov 2010 |
| WINDOWS7-x64/e1c62x64.din | 3.1 KB | 23 Dec 2009 |
| WINDOWS7-x64/E1c62x64.INF | 87.8 KB | 29 Oct 2010 |
| WINDOWS7-x64/e1c62x64.sys | 315.6 KB | 28 Oct 2010 |
| WINDOWS7-x64/e1cmsg.dll | 68.3 KB | 30 Jul 2010 |
| WINDOWS7-x64/NicCo36.dll | 36.5 KB | 26 May 2009 |
| WINDOWS7-x64/NicInstC.dll | 92.4 KB | 11 Oct 2010 |
| WINDOWS7-x64/PROUnstl.exe | 314.6 KB | 7 May 2010 |
| WINDOWS7-x64/Readme.txt | 744 bytes | 9 Nov 2010 |
| WINDOWS7-x64/Release.txt | 16.2 KB | 9 Nov 2010 |
| WINDOWS7-x86/E1c6232.cat | 10.5 KB | 9 Nov 2010 |
| WINDOWS7-x86/e1c6232.din | 3.1 KB | 23 Dec 2009 |
| WINDOWS7-x86/E1c6232.INF | 85.1 KB | 29 Oct 2010 |
| WINDOWS7-x86/e1c6232.sys | 238.8 KB | 28 Oct 2010 |
| WINDOWS7-x86/e1cmsg.dll | 68.3 KB | 30 Jul 2010 |
| WINDOWS7-x86/NicCo36.dll | 28.8 KB | 26 May 2009 |
| WINDOWS7-x86/NicInstC.dll | 75.5 KB | 11 Oct 2010 |
| WINDOWS7-x86/PROUnstl.exe | 265.4 KB | 7 May 2010 |
| WINDOWS7-x86/Readme.txt | 744 bytes | 9 Nov 2010 |
| WINDOWS7-x86/Release.txt | 16.2 KB | 9 Nov 2010 |
| XP-x64/E1c51x64.cat | 10.6 KB | 9 Nov 2010 |
| XP-x64/e1c51x64.din | 3.1 KB | 23 Dec 2009 |
| XP-x64/E1c51x64.inf | 81.8 KB | 29 Oct 2010 |
| XP-x64/e1c51x64.sys | 240.3 KB | 13 Oct 2010 |
| XP-x64/e1cmsg.dll | 68.3 KB | 30 Jul 2010 |
| XP-x64/nicco2.dll | 36.5 KB | 7 Aug 2007 |
| XP-x64/NicInstC.dll | 92.4 KB | 11 Oct 2010 |
| XP-x64/PROUnstl.exe | 314.6 KB | 7 May 2010 |
| XP-x64/Readme.txt | 733 bytes | 9 Nov 2010 |
| XP-x64/Release.txt | 14.8 KB | 9 Nov 2010 |
| XP-x86/E1C5132.CAT | 10.5 KB | 9 Nov 2010 |
| XP-x86/e1c5132.din | 3.1 KB | 23 Dec 2009 |
| XP-x86/E1c5132.inf | 84.7 KB | 29 Oct 2010 |
| XP-x86/e1c5132.sys | 174.2 KB | 13 Oct 2010 |
| XP-x86/e1cmsg.dll | 68.3 KB | 30 Jul 2010 |
| XP-x86/nicco2.dll | 28.3 KB | 7 Aug 2007 |
| XP-x86/NicInstC.dll | 75.5 KB | 11 Oct 2010 |
| XP-x86/PROUnstl.exe | 265.4 KB | 7 May 2010 |
| XP-x86/Readme.txt | 733 bytes | 9 Nov 2010 |
| XP-x86/Release.txt | 14.7 KB | 9 Nov 2010 |