Pavilion series 2100 p6: my computer says "operating system not found" Please help me

I tried to reset my pc because my computer is very slow so I tried, during the reset there were times when he could not reset so I continued to do and then a message showed "an operating system not found. Try disconnecting all drives that do not contain an operating system". Please help me. I really don't much about computers. And I also had windows 10

Juan8

Hello;

Let me welcome you on the HP forums!

According to the page of the product HP for your PC, it came not with preinstalled Win10.  THIS means that you have done the upgrade to Win10.

While Microsoft says there is no risk in the upgrade of Win10, because they allow you to believe that you can always return to your BONES and the original installation program within 30 days, the ugly fact of the matter is that the Win10 GoBack feature turned out to be unreliable - and when she fails, she can let machines in a State corrupted - that does not always happen , but it happens often enough to be a problem and you will get no warning beforehand that he goes to the trash your PC!

If this is not enough, the Win10 upgrade is known, in some cases, corrupt partition recovery stored by the OEM that built the original machine. It's pretty much guarantee that no HP recovery will work.

The problem you mentioned is usually due to one of two basic problems:
(1) defective hard drive
(2) damaged/missing bootloader files

As to the first, please follow the instructions in this link to test your hard drive: http://support.hp.com/us-en/document/c00439024

If that confirms that your drive has failed, then you will need to replace it.  Please report back if this is the case.

As for the second, you need access to a PC for this phase of work in order to create the necessary support to fix your PC boot loader.

Once you have that, please download and create the Win10 installation media from this link: http://windows.microsoft.com/en-us/windows-10/media-creation-tool-install?ocid=ms_wol_win10

Note that when you download and build install media, the default tool corresponding to what is already installed on your PC (as in home for the House, and 64-bit to 64 - bit).  While you CAN change these settings, are NOT. If you do, the media that results will be different and will force you to enter a NEW product code.

Boot from the media that you have created and follow the instructions in this link: http://www.tenforums.com/tutorials/2294-advanced-startup-options-boot-windows-10-a.html

You will need to go to the Advanced Options screen and click on startup repair.  You will probably need to run Startup Repair three times for him to fix all the boot loader.

Once completed, your PC should start OK.

Good luck

Tags: HP Desktops

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