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Invalid Partition Table


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#1 JJJ_Jhony

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Posted 20 July 2018 - 04:28 PM

Hello, 

 

I have a win 10 Machine, on re-starts it would show Invalid Partition Table and not boot.

I was told the drive is bad. 

I Replaced the drive with a SSD. and did a full win10 installation form a CD about 2 Month ago and all worked fine. 

 

Today Invalid Partition Table is back. 

 

Any Thoughts??

 

 

 

Thanks for any help!!

 

 

 

Joseph



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#2 Mason21

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Posted 20 July 2018 - 06:29 PM

Boot to a Windows disk and select "repair my computer" then "troubleshooting" then "command prompt"   type these commands in the command prompt box. (it is best to have only one drive plugged up when doing this( the one you want to run windows on, unplug the sata cable on other drives)

 

bootrec.exe /fixmbr

bootrec.exe /fixboot

Bootrec /scanos

bootrec /rebuildbcd

exit



#3 jenae

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Posted 20 July 2018 - 08:38 PM

Hi, well running the bootrec cmd's will do no harm, although this has happened on two hdd's the latest being a clean install of win 10.

 

The most likely problem here is with your BIOS, check that the boot order is correct and make sure you save and exit the settings. Also load the BIOS optimized performance defaults, save and exit.

 

In some cases a BIOS update is needed, do this as a last resort, since care has to be exercised here, depending on your specs some MB's have a dual bios or easy update, .exe 



#4 JJJ_Jhony

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Posted 20 July 2018 - 09:37 PM

Hi Mason

 

Thank you for this.

 

The machine is up and running. Can i do that from win 10? or must it be from a CD.



#5 JJJ_Jhony

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Posted 20 July 2018 - 09:43 PM

Hi Mason & Jenae

 

I am thinking I should mentions this machine has 2  external drives attached. 

It is a powerspec that i log into remotely. 

 

Janae: Thank you for the advice. "Also load the BIOS optimized performance defaults, save and exit"

 

Load those from where? will i see that in the bois screen?


Edited by JJJ_Jhony, 20 July 2018 - 09:49 PM.


#6 Mason21

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Posted 20 July 2018 - 10:18 PM

You can do it from inside windows 10 by using the command prompt (as administrator) but booting to a Windows 10 disk or USB with Windows 10 on it, is the best way. You can put Windows 10 on a 8 gb flash drive for free. https://www.microsoft.com/en-us/software-download/windows10



#7 JJJ_Jhony

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Posted 20 July 2018 - 10:35 PM

Perfect, thank you!!






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