Question about HEWLETT-PACKARD ProBook 4420s Notebook

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Guys, i am using hp porbook 4420s. the problem is

Guys, i am using hp porbook 4420s. the problem is my wifi is not working inside a auditorium. the momemt i step out of auditorium it starts working. there are a number of laptops around me which work in the audi. i dont know what has got into my laptop. i formatted it, got the latest wifi drivers. the problem is still bugging me. any help will be greatly appreciated.

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  • a_b_doo_b Oct 09, 2010

    boss there are many laptops around me with are working perfectly fine.

  • a_b_doo_b Oct 09, 2010

    and btw the audi is all cement and bricks

  • Anonymous Mar 26, 2014

    my problem is that i cant turn on my wifi dont know were the to look for the net works around me i have wifi but i cant seem to find it can you help me



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Sounds like the auditorium is a metal building. Wifi reception is very poor through metal, so you probably cannot use the laptop inside.

Posted on Oct 09, 2010

  • jd83854 Oct 11, 2010

    Metal or concrete, it still sounds like you are not getting a good signal. I have several laptops myself, and there is definately a difference in how good they pick up a signal. One even shows a low signal in the same room as the wifi router, another one picks the same signal up by the barn, through 2 walls, and 300 feet. So it looks like possibly your laptop simply wll not pick up the signal through the wall(s).



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When i switch on my hp probook 4420s it cannot load the operating system but keeps restarting

Try going to bios by pressing del while starting. Check the boot sequence if your HDD is on the list and selected as primary. You can also try HP recovery by pressing F11 key as soon as you power on the laptop.

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Ahhh..the HP problem. This is a common problem and one that I am currently experiencing. The long and short of it is you will need a new motherboard or a new computer unless you are comfortable digging into this. I have two HPs with this problem and I am currently doing a reflow on this. I will keep you posted on how it turns out if you keep this thread going.

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You have to Press and Hold the FN function key at the lower left portion of your keyboard then hit the volume or brightness keys. Notice that the volume and brightness keys are the same color as the FN function key. That means you have to press and hold the FN key while you hit the volume or brightness key.

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Your battery is defective. It needs to be replaced.

Jan 18, 2012 | HEWLETT-PACKARD HP ProBook 4420s Notebook...

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Go to HP's site, look to see if there is any documentation on taking the laptop apart, remove the battery, take it apart, and remove the watch battery found within. Keep it out for a few minutes, put it back, reassemble, and you're good to go.

Aug 24, 2011 | HEWLETT-PACKARD Hewlett Packard HP 4420s...

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I purchased a brand new HP Probook 4420s two day before, today I get a problem on that. My screen get off. I didn't show anything. please help me what to do..........


I think you can try this step and see if its going to turn on.

1. Remove the battery and Unplug the AC power.
2. Press and Hold the power button for 1 minute.
3. Put it all back.
4. Check if the machine would turn on.

If it doesn't work means there is a hardware problem on the machine. I recommend to call the manufacturer since that's a brand new machine.

Hope it helps. Thank you for choosing FixYa.


Apr 25, 2011 | HEWLETT-PACKARD HP ProBook 4420s Notebook...

1 Answer

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just have push two times the orange light on you touchpad...

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1 Answer

Sir scroll option avaliable in hp 4420s


Please download the touchpad driver here:

Install the driver.

Restart the computer.
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Mar 03, 2011 | HEWLETT-PACKARD ProBook 4420s Notebook

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