Toshiba Satellite P15-S4201 Driver Download (Official)

Toshiba Drivers

The Satellite P15-S4201 is a network device manufactured by Toshiba. 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 "sp15s479ethx.exe" 165 times with an aggregate rating of 5 out of 5 stars based on 10 reviews. Our users report success installing this driver update on PCs running Windows XP. The total disk space used for this update is 1.0 MB.

10 Ratings

Supported Models

Satellite P15-S4201

(MOBILE ASSIST)Realtek RTL8139/810x Family Fast Ethernet NIC

Realtek RTL8139 C+ Fast Ethernet NIC

Realtek RTL8139/810X Family Fast Ethernet NIC

Satellite P15-S470

Satellite P15-S479

Satellite P25-S509




Supported Operating Systems

Windows XP, Windows 2000

File Name


5.505.1004.2002 (9-Sep-2003)
5.505.1004.2002 (2003-07-10) via .inf

Additional Notes

Realtek Ethernet LAN Driver for Windows XP/2000

Uploaded By

Andrews (DG Staff Member) on 1-Jun-2004

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
layout.bin 417 bytes 7 Oct 2002
Setup.ini 177 bytes 7 Oct 2002
WIN2000/Netrt2ko.INF 84.6 KB 10 Jul 2003
WIN2000/R8139n5.sys 49.4 KB 4 Oct 2002
WIN2000/ 101.4 KB 16 Jul 2003
Setup.exe 56.3 KB 5 Sep 2001
ikernel.ex_ 344.9 KB 5 Sep 2001
SETUP.TXT 2.5 KB 11 Oct 2001
WINXP/ 101.4 KB 16 Jul 2003
WINXP/NetrtXPo.inf 83.0 KB 10 Jul 2003
WINXP/R8139n51.sys 47.0 KB 4 Oct 2002
silent.txt 1.2 KB 17 Dec 2001 466.8 KB 7 Oct 2002 32.9 KB 7 Oct 2002

How to Update Satellite P15-S4201 Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the Satellite P15-S4201 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 Toshiba Satellite P15-S4201 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 Toshiba 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 Toshiba 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

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. 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.

This website is not affiliated with Toshiba. All company names/logos are properties of their owners.
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