ASUS CT5421 Driver Download (Official)
The CT5421 is a network device manufactured by ASUS. 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. Visitors have downloaded this file "RealtekRTL8111C_Lan_V620807292008_Vista.zip" 32 times with an aggregate rating of 5 out of 5 stars based on 7 reviews. Compatibility for this driver update includes PCs running Windows operating systems such as Windows Vista. The total disk space used for this update is 15.8 MB.
Supported Models
CT5421
Realtek RTL8102E Family PCI-E Fast Ethernet NIC
Realtek RTL8139/810X Family Fast Ethernet NIC
Realtek RTL8168/8111 PCI-E Gigabit Ethernet NIC
Realtek RTL8168C(P)/8111C(P) PCI-E Gigabit Ethernet NIC
Manufacturers
Supported Operating Systems
Windows Vista, Windows Vista (64 bit)
File Name
Versions
6.208.0729.2008 (24-Nov-2008)
Additional Notes
Realtek RTL8111C Lan Driver
Uploaded By
Sathishkumar (DG Staff Member) on 7-Feb-2011
Device Hardware IDs
PCI\VEN_10EC&DEV_8136&SUBSYS_00018086&REV_02
PCI\VEN_10EC&DEV_8136&SUBSYS_00021B0A&REV_02
PCI\VEN_10EC&DEV_8136&SUBSYS_003014C0&REV_02
PCI\VEN_10EC&DEV_8136&SUBSYS_003214C0&REV_02
PCI\VEN_10EC&DEV_8136&SUBSYS_02AD1028&REV_01
PCI\VEN_10EC&DEV_8136&SUBSYS_0560107B&REV_01
PCI\VEN_10EC&DEV_8136&SUBSYS_0565107B&REV_01
PCI\VEN_10EC&DEV_8136&SUBSYS_0CD6105B&REV_01
PCI\VEN_10EC&DEV_8136&SUBSYS_0D47105B&REV_01
Compatible IDs
Related Driver Updates
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| RealtekRTL8111C_Lan_V620807292008_Vista/AsusSetup.exe | 503.2 KB | 29 Jan 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/AsusSetup.ini | 959 bytes | 14 Mar 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/.svn/all-wcprops | 582 bytes | 4 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/.svn/entries | 776 bytes | 4 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/.svn/format | 2 bytes | 29 Nov 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/.svn/prop-base/RTEND.DOS.svn-base | 53 bytes | 29 Nov 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/.svn/text-base/OEMSETUP.INF.svn-base | 613 bytes | 29 Nov 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/.svn/text-base/PROTOCOL.INI.svn-base | 465 bytes | 29 Nov 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/.svn/text-base/RTEND.DOS.svn-base | 50.2 KB | 4 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/.svn/text-base/RTL8168.NIF.svn-base | 1.9 KB | 29 Nov 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/Oemsetup.inf | 613 bytes | 29 Nov 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/Protocol.ini | 465 bytes | 29 Nov 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/Release.txt | 7.3 KB | 4 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/Rtend.dos | 50.2 KB | 4 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/Rtl8168.nif | 1.9 KB | 29 Nov 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/patch_tool/.svn/all-wcprops | 367 bytes | 29 Nov 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/patch_tool/.svn/entries | 510 bytes | 29 Nov 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/patch_tool/.svn/format | 2 bytes | 29 Nov 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/patch_tool/.svn/prop-base/RTPATCH.EXE.svn-base | 53 bytes | 29 Nov 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/patch_tool/.svn/text-base/RTEND2.TXT.svn-base | 3.8 KB | 29 Nov 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/patch_tool/.svn/text-base/RTPATCH.EXE.svn-base | 42.6 KB | 29 Nov 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/patch_tool/Rtend2.txt | 3.8 KB | 29 Nov 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ndis2/patch_tool/Rtpatch.exe | 42.6 KB | 29 Nov 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Novell/Nwodi.117/Exe/Rtgeodi.com | 64.0 KB | 13 Aug 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Novell/Nwodi.117/Release.txt | 7.9 KB | 15 Aug 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Novell/nw110/Ethertsm.nlm | 12.5 KB | 17 Apr 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Novell/nw110/Msm.nlm | 94.6 KB | 17 Apr 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Novell/nw110/Rtgesrv.lan | 27.5 KB | 17 Apr 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Novell/nw110/Rtgesrv.ldi | 9.2 KB | 17 Apr 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ris64/Rtenic64.sys | 110.6 KB | 20 Oct 2005 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Ris64/net8168a.inf | 7.6 KB | 20 Oct 2005 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Teaming/AsusSetup.exe | 503.2 KB | 29 Jan 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Teaming/AsusSetup.ini | 968 bytes | 30 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Teaming/Xp/AsusSetup.exe | 495.6 KB | 27 Sep 2006 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Teaming/Xp/AsusSetup.ini | 2.1 KB | 30 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Teaming/Xp/English.ini | 85 bytes | 30 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Teaming/Xp/French.ini | 85 bytes | 30 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Teaming/Xp/German.ini | 89 bytes | 30 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Teaming/Xp/ISSetup.dll | 492.0 KB | 5 Apr 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Teaming/Xp/Japanese.ini | 85 bytes | 30 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Teaming/Xp/SChinese.ini | 87 bytes | 30 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Teaming/Xp/TChinese.ini | 85 bytes | 30 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Teaming/Xp/_Setup.dll | 386.0 KB | 18 May 2006 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Teaming/Xp/data1.cab | 3.0 MB | 24 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Teaming/Xp/data2.cab | 450.2 KB | 24 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Teaming/Xp/layout.bin | 455 bytes | 24 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Teaming/Xp/setup.exe | 455.6 KB | 20 Jan 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Teaming/Xp/setup.ini | 945 bytes | 24 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/AsusSetup.exe | 495.6 KB | 27 Sep 2006 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/AsusSetup.ini | 2.2 KB | 8 Sep 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/English.ini | 105 bytes | 10 Mar 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Faq/8168C_manual_install.txt | 957 bytes | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Faq/Driver_Installer_Rollback.txt | 880 bytes | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Faq/Driver_failed_to_load_code_10.txt | 453 bytes | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Faq/WAIK_Ver_RTM_with_new_driver.txt | 330 bytes | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/French.ini | 109 bytes | 10 Mar 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/German.ini | 119 bytes | 10 Mar 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/ISSetup.dll | 492.2 KB | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/InstCtrl.txt | 542 bytes | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/InstOpt.txt | 106 bytes | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Japanese.ini | 112 bytes | 10 Mar 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Readme/English/format.css.bak | 179 bytes | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Readme/French/format.css.bak | 179 bytes | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Readme/Korean/format.css.bak | 179 bytes | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Ris/32/RtNicprop32.DLL | 9.7 KB | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Ris/32/netrtx32.cat | 247.0 KB | 8 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Ris/32/netrtx32.inf | 532.0 KB | 8 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Ris/32/note.txt | 151 bytes | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Ris/32/rtlh86.sys | 124.9 KB | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Ris/64/RtNicprop64.DLL | 10.2 KB | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Ris/64/netrtx64.INF | 481.3 KB | 8 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Ris/64/netrtx64.cat | 210.0 KB | 8 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Ris/64/note.txt | 151 bytes | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Ris/64/rtlh64.sys | 174.6 KB | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/SChinese.ini | 117 bytes | 10 Mar 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/TChinese.ini | 115 bytes | 10 Mar 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Tool/Disable.dat | 181 bytes | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Tool/Enable.dat | 182 bytes | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Tool/MsgWin.dat | 249.9 KB | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Tool/MsgWin.txt | 99 bytes | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Tool/MsgWinYn.dat | 249.9 KB | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Tool/MsgWinYn.txt | 242 bytes | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Tool/lansetv.dat | 94.2 KB | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Tool/lansetv6.dat | 98.8 KB | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Winvista/32/RtNicprop32.DLL | 9.7 KB | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Winvista/32/netrtx32.cat | 247.0 KB | 8 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Winvista/32/netrtx32.inf | 532.0 KB | 8 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Winvista/32/note.txt | 151 bytes | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Winvista/32/rtlh86.sys | 124.9 KB | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Winvista/64/RtNicprop64.DLL | 10.2 KB | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Winvista/64/netrtx64.INF | 481.3 KB | 8 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Winvista/64/netrtx64.cat | 210.0 KB | 8 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Winvista/64/note.txt | 151 bytes | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/Winvista/64/rtlh64.sys | 174.6 KB | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/_Setup.dll | 373.7 KB | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/data1.cab | 3.3 MB | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/data2.cab | 512 bytes | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/layout.bin | 473 bytes | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/setup.exe | 460.2 KB | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/setup.ini | 977 bytes | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Vista/setup.isn | 31.1 KB | 6 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/AsusSetup.exe | 495.6 KB | 27 Sep 2006 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/AsusSetup.ini | 2.0 KB | 15 Aug 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/English.ini | 105 bytes | 10 Mar 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/French.ini | 109 bytes | 10 Mar 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/German.ini | 119 bytes | 10 Mar 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/ISSetup.dll | 492.0 KB | 5 Apr 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/Japanese.ini | 112 bytes | 10 Mar 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/Release.txt | 31.9 KB | 3 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/SChinese.ini | 117 bytes | 10 Mar 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/TChinese.ini | 115 bytes | 10 Mar 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/Win2000/Netrtle.inf | 130.0 KB | 18 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/Win2000/Rtenic.sys | 103.7 KB | 3 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/Win2000/netrtle.cat | 80.0 KB | 18 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/Win98se/Netrtle.inf | 33.9 KB | 3 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/Win98se/Rtenic.sys | 103.7 KB | 3 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/Winme/Netrtle.inf | 33.9 KB | 3 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/Winme/Rtenic.sys | 103.7 KB | 3 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/Winxp/Netrtle.inf | 130.0 KB | 18 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/Winxp/Rtenic.sys | 103.7 KB | 3 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/Winxp/Rtenic64.sys | 125.4 KB | 3 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/Winxp/Rtenicxp.sys | 105.9 KB | 3 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/Winxp/netrtle.cat | 80.0 KB | 18 Jan 2008 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/_setup.dll | 373.7 KB | 18 May 2006 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/data1.cab | 3.3 MB | 17 Dec 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/data2.cab | 139.2 KB | 17 Dec 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/layout.bin | 473 bytes | 17 Dec 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/setup.exe | 455.6 KB | 20 Jan 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/setup.ini | 977 bytes | 17 Dec 2007 |
| RealtekRTL8111C_Lan_V620807292008_Vista/Xp/setup.isn | 64.4 KB | 17 May 2006 |
How to Update CT5421 Device Drivers Quickly & Easily
Step 1 - Download Your Driver
To get the CT5421 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 ASUS CT5421 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 ASUS 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 ASUS website. Most major device manufacturers update their drivers regularly.
Step 2 - Install Your Driver
Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.
How to Open Device Manager
In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager
In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager
In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager
In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager
In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button
How to Install a driver from Device Manager
Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.
Select the Driver tab.
Click the Update Driver button and follow the instructions.
In most cases, you will need to reboot your computer in order 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.