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HP Recommended
Elitebook 840 G4
Microsoft Windows 10 (64-bit)

Laptop became unstable and ended up with factory restore.

 

At 64% completion of Windows restore and gave the following error

 

”Your PC ran into a problem and needs to restart.  We’re just collection some error info, and the we’ll restart for you. (64% complete)

blah blah

Stop code: SYSTEM THREAD EXCEPTION NOT HANDLED

What failed: BrHostDrv.sys”

 

then cycles back to reboot endlessly.

 

i have another PC available, but only limited knowledge guys.

 

please help

 

thanks

 

1 REPLY 1
HP Recommended

Hello @Under-Reamer 

 

Thank you for posting in the HP Support Community.

 

For some reason, it failed. Probably, you have no working Windows now.

 

HP Recovery Manager and recovery discs are kind of obsolete technology (old school) >> https://h30434.www3.hp.com/t5/Notebooks-Knowledge-Base/Recovery-in-Windows-10/ta-p/7061284

 

In order to reinstall Windows 10 on this PC, I recommend you use the Microsoft method used by thousands of users daily - for free. You may also want to return back the recovery discs and get a refund (depends on local laws, consumer protection rules and vendor policies)

 

 

Here are instructions how to clean install/reinstall Windows 10:

 

 

Windows reinstallation / clean installation :

 

- You can directly download Windows 10 ISO from MS site or download >> Media creation tool from Microsoft site, create installation DVD or installation USB  and  proceed with clean installation/reinstallation.

 

Download:

>> https://www.microsoft.com/en-us/software-download/windows10ISO

 

Make sure you select the proper version (64 bit / Home or Pro) if asked.

 

Media Creation tool will always provide you with the latest Windows version/build - now 1903 edition.

 

- When download completes, you will need to write  the ISO image and boot from a bootable media. You will need a blank USB pendrive (min 8 GB capacity). Use the Media Creation tool.

 

 

When ready with the USB drive or with the DVD:

 

Please, shutdown the computer using the power button.

Insert the Windows USB thumbdrive prepared previously

Power on the PC.

As soon as you press the power-on button, start hitting the Esc button repeatedly (like tap-tap-tap).

This should open a HP Startup Menu

 

Choose F9 to open Boot options. Select the USB thumb drive as a boot option.

 

- Follow the on-screen instructions to install Windows 10. Perform clean installation/custom installation (not repair).

Delete all existing partitions and install Windows on Disc 0 Unallocated space

 

 

- After successful Windows installation, install drivers taken from HP web site or via Windows Update/Device Manager >> http://support.hp.com/us-en/document/c03330139

 

- Make sure Windows is Activated by going to Start > Settings > Update & Security > Windows Activation

 

- You might want to stop some of the Windows Telemetry by using free tools such as Spybot AntiBeacon or DWS Lite

 

 

Hope this helps. Let me know how it goes

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*** HP employee *** I express personal opinion only *** Joined the Community in 2013
Step-by-step instructions to do a clean installation of the Windows 10 April 2018 Update (version 1803), and learn the steps to configure the out-of-box experience (OOBE). ** Important: Windows 10 version 1803 (April 2018 Update) is expected to release in April 2018. If you use the Media Creation
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