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RTM yet? it shows w10 is not fully supported, but w8.1 is. (and older )
Fn+F7= mute Fn+F9 = volume up.
page 27, RTM?NO OS told, if the sound/audio driver is not wrong , missing or infected or using W10 that has no drive for it.
then the FN key is used.
https://support.hp.com/us-en/product/hp-probook-4540s-notebook-pc/5229455/manuals
RTM yet? it shows w10 is not fully supported, but w8.1 is. (and older )
Fn+F7= mute
Fn+F9 = volume up.
page 27, RTM?
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do not do that.
TPM is one way trip
if it locks you out, the PC is bricked forever.
why use TPM its for CIA/NSA/DOD/DOJ, etc.
why?
and the chip must bet there and on old PCs it is not.
here is your answer from HP.
Check the top row of keys for a touchpad symbol (box with finger pointing hand) if blue you will need to press it and the Fn key together or a button above the touchpad.
Usually the notebooks shut down when increase the temperature of cpu. For thst reason we must open and clean the heating sink and apply new thermal paste on cpu and graphics card gpu chip every 2 with 3 years.
the manual is free to read 24/7
at
hp.com
tricky URL no?
NO OS told, if the sound/audio driver is not wrong , missing or infected or using W10 that has no drive for it.
then the FN key is used.
https://support.hp.com/us-en/product/hp-...
RTM yet? it shows w10 is not fully supported, but w8.1 is. (and older )
Fn+F7= mute
Fn+F9 = volume up.
page 27, RTM?
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