I have compaq presario v3777tu. and updated driver sp38171.exe for quick launch button. when i had purchased the laptop pre-installed dvd player was running while pressing the button. but due to some reasons had formated the drive and re installed vista,now can you guide me to how to activate that button again. speaker & volume quick launch buttons are working properly.
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u should always turn off automatic updates.......and install drivers it will be work fine.. I will give u all drivers link....go to hp.com and search it.. for modem -sp33442, for audio-sp35270, for sm bus controller-sp36492, for quick lounch sp38171, for UAA sp32395, for webcam sp37849, download all drivers and install it.
and install drivers follow these steps:
Open device manager and right-click on Audio device on High definition Audio Bus. Select Install from a list of specific location (Advanced) Click Next Select Don’t Search. I will choose the driver to install. Select Sound, Game & video controller from the list of Hardware type Click on Have Disk Click on Browse and navigate to C:swsetupsp35270 and click on .ini file OK Click Next It will give you an update driver warning message. Click on yes. It will start installing the driver Click on Finish..
5 in 1 card reader driver:
HP Quick Launch Buttons
To install audio / modem drivers, first download and install Microsoft
Universal Audio Architecture (UAA) Bus Driver for High Definition Audio