Toshiba BIOS Portege R400-S4831 Driver Download (Official)
The BIOS Portege R400-S4831 is a common computer motherboard manufactured by Toshiba. Update now to fix problems such as frequent crashing, computer shuts off unexpectedly, no audio or no video, or a blank screen on start up. This driver - "pr400v15.exe" - has been downloaded 29 times and is rated 5 out of 5 stars based on 6 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 4.0 MB.
Supported Models
BIOS Portege R400-S4831
BIOS Portege R400-S4832
BIOS Portege R400-S4833
BIOS Portege R400-S4834
BIOS Portege R400-S4835
BIOS Portege R400-S4932
BIOS Portege R400-S4933
Manufacturers
Supported Operating Systems
Windows Vista
File Name
Versions
1.5 (28-Mar-2007)
Additional Notes
Portege R400-S4834
ACPI Flash BIOS version 1.50
Change History Version 1.50 03-28-2007 Changed the start-up logo screen in Japanese models to be the same as worldwide models. Enabled VT Virtualization Technology in Japanese models. Optimized heat control during operation under low temperature. Version 1.40 02-28-2007 Implemented Intel chipset requirements for improved graphics SDVO stability. Modified: When the system memory is 1GB or more in Vista up to 256MB can be used as Video RAM requires display driver update. Version 1.30 01-26-2007 Initial production BIOS for Portege R400/R405.
Uploaded By
Kesavan (DG Staff Member) on 18-May-2007
Related Driver Updates
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| 1468d15.exe | 745.1 KB | 29 Mar 2007 |
| 1468d15.exe/1468D15.IMA | 1.5 MB | 29 Mar 2007 |
| bio0049t.com | 444.2 KB | 14 Mar 2007 |
| chgbiosa.exe | 28.6 KB | 9 Aug 2006 |
| dskprog | 171 bytes | 10 Jan 2003 |
| guiprog | 169 bytes | 10 Jan 2003 |
| isocdrom.txt | 2.3 KB | 29 Mar 2007 |
| launcher.exe | 669.1 KB | 22 Jul 2005 |
| launcher.ini | 695 bytes | 29 Mar 2007 |
| p0049v150.exe | 1.6 MB | 14 Mar 2007 |
| pr400v15.iso | 1.6 MB | 29 Mar 2007 |
| readme.com | 17.4 KB | 29 Mar 2007 |
| readme.txt | 15.0 KB | 29 Mar 2007 |
How to Update BIOS Portege R400-S4831 Device Drivers Quickly & Easily
Step 1 - Download Your Driver
To get the BIOS Portege R400-S4831 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 BIOS Portege R400-S4831 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
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.