Question about HEWLETT-PACKARD HP ProBook 4420s Notebook WZ249UT

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

My hp probook 4420s cannot load operating system.it keeps restarting showing hp logo

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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.

Posted on Aug 19, 2015

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 8909 Answers

SOURCE: I need a user manual

If you were to log on to the manufacturer's web site, I think you will be pleasantly surprised as usually one is able to download, by model number, Customer Instruction Manuals, list of Dealers, for spare parts and service, Driver downloads and Installation Instructions as required.

Just Google the manufacturer's name and follow the links. Make certain you are directed to the manufacturer's web site as some search engines direct you to other sites and they charge for the information that is normally free of charge.

I hope this helps.

Posted on Dec 28, 2010

mariolands
  • 2296 Answers

SOURCE: my ProBook 4420s touchpad is

There can be a few reasons why is not working. To fix your touchpad, follow the information from this link.

Posted on Jan 12, 2011

MidContrast
  • 47 Answers

SOURCE: I bought new HP probook 4420s, but the brightness

Try pressing it without the Fn key, sometimes it gets switched up. If this doesn't work, try restarting the computer.

Posted on Jun 20, 2011

Xenturion
  • 68 Answers

SOURCE: how to reset the HP

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.

Posted on Aug 24, 2011

  • 6771 Answers

SOURCE: HP probook 4420s stuck on mute

Locate your Fn key, and look for the speaker icon, mine is on the Ese button, yours maybe on one of the F buttons at top, once found. Press Fn key and hold now press the F key that is the speaker icon, sound shuld be restored.

Posted on Apr 08, 2012

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When i switch on my hp 4420s laptop it display gray screen but when i attached it with external monitor the monitor works fine but lcd of laptop does not show any thing


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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With xp you a have to select

Start --> the right arrow --> then shutdown.

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My function keys of hp probook 4420s is not working


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.

May 27, 2012 | HEWLETT-PACKARD HP ProBook 4420s Notebook...

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AC adapter fine also battary fine but HP 4420s dont charging


If that is true the charging circuits on the motherboard will be the problem, "a rare situation" so long as the laptop powers up using the adapter and the charging voltages are missing in the computer terminal where the battery plugs in then this would apply.

Apr 04, 2012 | HEWLETT-PACKARD HP ProBook 4420s Notebook...

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Battery is not charging when it is 87%


Your battery is defective. It needs to be replaced.

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

1 Answer

How to reset the HP Probook 4420s CMOS/BIOS password thanks


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...

1 Answer

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..........


Hi,

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.

AnEspera

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

1 Answer

Sir scroll option avaliable in hp 4420s


Hello,

Please download the touchpad driver here:

ftp://ftp.hp.com/pub/softpaq/sp49001-49500/sp49415.exe

Install the driver.

Restart the computer.
Now scrolling should be enabled.

Regards,
katharsys_i

Mar 03, 2011 | HEWLETT-PACKARD ProBook 4420s Notebook

1 Answer

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


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

Oct 09, 2010 | HEWLETT-PACKARD ProBook 4420s Notebook

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