Toshiba BIOS Satellite L550-ST2721 Driver Download (Official)

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Toshiba BIOS Satellite L550-ST2721 Driver Download (Official)
7 Ratings

Supported Models

BIOS Satellite L550-ST2721 Driver



Supported Operating Systems

Not Applicable

File Name

sln0v150.exe (6.0 MB)


1.5 (12-Aug-2009)

Find Related Drivers

Uploader Notes

ACPI Flash BIOS version 1.50 for Satellite L550/L555 (PSLN0U/PSLN8U)

Release NotesThere should be no volume production products with BIOS V1.40.Change HistoryVersion 1.50 - 2009-08-12Modified the Edit string to support non OS models.Modified the JPN model sub menu – select item and help stringsModified: Fn F5 function key combination is replaced by the Windows 7 native display switch key when TVAP is not installed.Updated: Setup Menu Intel Virtualization Technology and boot device name from USB Memory to USB.Fixed: UMA fan table is loaded error.Modified: OS type namespace location for WIN 7.Added: Win P function for WIN 7.Version 1.30 - 2009-07-22Modified M96 fan table.Version 1.20 - 2009-06-24Modified the Tj90 CPU shutdown temp - 93 degrees.Modified the GP_button function.Updated fa

Uploaded By

Manivannan (DG Staff Member) on 5-Oct-2009

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
dskProg 171 bytes 27 Aug 2009
guiProg 169 bytes 27 Aug 2009
isocdrom.txt 2.2 KB 27 Aug 2009
launcher.exe 1.4 MB 27 Aug 2009
launcher.ini 732 bytes 27 Aug 2009
readme.txt 9.8 KB 27 Aug 2009
sln0v150.iso 3.3 MB 27 Aug 2009
sunderland10m_10mg_bios_v150_win.exe 2.8 MB 30 Jul 2009
twaa150a.rom 2.1 MB 23 Jul 2009

How to Update BIOS Satellite L550-ST2721 Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the BIOS Satellite L550-ST2721 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 BIOS Satellite L550-ST2721 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 Driver Update Utility for BIOS Satellite L550-ST2721. 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. Many 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 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.

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