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HP Pavilion dv5-1233se Entertainment Notebook PC support

WinFlash for HP Notebook Multimedia Button Board Firmware (ROM)

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  • Overview
  • How to install
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This package contains the WinFlash Utility and a Multimedia Button Board firmware image for the supported notebook/laptop models and operating systems. The WinFlash Utility is used to locally flash the Multimedia Button Board firmware on notebooks/laptops operating in a Microsoft Windows Vista Operating System environment.

Release details

File name:
sp42435.exe [1/1, 545.66k]
Microsoft Windows Vista
Microsoft Windows Vista (64-bit)


Resolves an intermittent issue where the volume up/down function launches unexpectedly.
1. Download the file by clicking the "Download" or "Obtain Software" button and saving the file to a folder on your hard drive (make a note of the folder where the downloaded file is saved).
2. Double-click the downloaded file and follow the on-screen instructions.

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Details and specifications

HP SoftPaq Number sp42436, "WinFlash for HP Notebook System BIOS (for Notebooks with AMD Processors) - Microsoft Windows Vista-Based," version F.23 must be installed before installing this SoftPaq.