![background image](http://html.mh-extra.com/html/hp/envy-17-series/envy-17-series_maintenance-and-service-manual_2175023006.webp)
Bottom cover ..................................................................................................................................... 28
Hard drive .......................................................................................................................................... 31
WLAN module .................................................................................................................................... 33
RTC battery ........................................................................................................................................ 35
Memory module ................................................................................................................................ 36
Fan ..................................................................................................................................................... 37
Optical drive cable ............................................................................................................................. 39
System board .................................................................................................................................... 40
Heat sink ............................................................................................................................................ 43
USB/audio board ................................................................................................................................ 46
Speakers ............................................................................................................................................ 47
Power button board .......................................................................................................................... 48
Power connector cable ...................................................................................................................... 49
TouchPad ........................................................................................................................................... 50
Display assembly ............................................................................................................................... 51
Determining the BIOS version ........................................................................................................... 57
Downloading a BIOS update .............................................................................................................. 58
Using Windows tools ........................................................................................................................................... 64
Restore and recovery ........................................................................................................................................... 65
What you need to know before you get started ............................................................. 65
Using the HP Recovery partition (select products only) ................................................. 66
Using HP Recovery media to recover .............................................................................. 66
Changing the computer boot order ................................................................................ 67
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Summary of Contents for Envy 17 Series
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