Question about HP 15.6" ProBook 4540s B5P37UT Laptop PC with Intel Core i3-2370M

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How do i turn on the keyboard light on hp probook 4540s

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Posted on Jan 02, 2017

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1 Answer

How do I enable touchpad on my HP Laptop Probok 4540s?


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.

Sep 02, 2014 | HP 15.6" ProBook 4540s B5P37UT Laptop PC...

1 Answer

HP probook 4540s plugged in not charging


Simply unplug the power from the adapter, leave for some minutes then reconnect.

Dec 23, 2013 | HP ProBook 4540s Notebook PC ENERGY STAR

1 Answer

Which driver I need for HP probook 4540s


Go to HP.com and navigate to your laptop. Download any drivers that you require for the touch pad. If in doubt, there are a few but it will not hurt to download them all and then install them. You will have the latest updates then.

Dec 01, 2013 | HP ProBook 4540s B5P39UT Notebook PC - 3rd...

1 Answer

Hp 4540s locking function is not working.how i correct it?


Do you mean the locking function on the screen when you close it?

Feb 28, 2013 | HP ProBook 4540s Notebook PC ENERGY STAR

4 Answers

Function buttons not working (volume control, brightness, locking, etc.)


Hi,
Try using Fn key + the F1-12 buttons.

Hope that the issue is that simple, please reply to this: did it or it didn't help.

Jan 11, 2013 | HP ProBook 4540s Notebook PC ENERGY STAR

1 Answer

Probook 4530s headphone not working


I had this problem with probook 4540s. I installed the drivers from HP site, but the problem didn't solve. Then I found that unchecking Playback devices > Properties (Speakers) > Advanced > Enable audio enhancements, did solve the problem.

Jun 03, 2012 | HEWLETT-PACKARD Probook 4530S

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