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Re-formatted Dell Optiplex 990 running Windows 7 "no boot device found"


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#16 JohnC_21

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Posted 10 November 2017 - 12:32 PM

At the prompt in that image type

select disk 0    <enter>

You should get a notification that the disk has been selected. Then type

clean all      <enter>

Edit: Remember to use the convert gpt command after the wipe.


Edited by JohnC_21, 10 November 2017 - 12:45 PM.


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#17 geno368

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Posted 10 November 2017 - 01:09 PM

I got it started...I have an appointment this afternoon so I will finish later and respond...Thanks again!



#18 JohnC_21

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Posted 10 November 2017 - 01:13 PM

It should be finished before you get back. I'm not sure you read my edited post but after the clean all command is finished type:

convert gpt   <enter>

Assuming you changed to UEFI.



#19 geno368

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Posted 10 November 2017 - 04:33 PM

I got back and it was complete...I am now formatting...will advise tomorrow...Thanks



#20 geno368

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Posted 10 November 2017 - 04:53 PM

I looked just now and obviously the install was complete and the system tried to reboot....this error was there:

No bootable devices- strike F1 to retry, F2 for setup, F5 for diagnostics



#21 JohnC_21

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Posted 10 November 2017 - 04:54 PM

By formatting you mean letting Windows do this automatically for you, correct? At the below screen all you need to do is click next and Windows will do the partitioning and formatting for you.

 

windows-7-clean-install-A-58070cbf3df78c



#22 geno368

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Posted 11 November 2017 - 10:25 AM

I did this.  It showed the hd and show unallocated...I clicked next and it started...I returned 45 minutes later and what I sent you was on my monitor...I figured the os install had nearly finished and it auto reboots to finish



#23 JohnC_21

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Posted 11 November 2017 - 10:37 AM

You mean you get a no boot device found error again? You removed the DVD install disk, correct?


Edited by JohnC_21, 11 November 2017 - 10:39 AM.


#24 geno368

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Posted 11 November 2017 - 10:37 AM

yes



#25 JohnC_21

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Posted 11 November 2017 - 10:40 AM

I am not sure how else to proceed. The install disk finds the disk and yet after install it says no boot device found. Do you have a legible Windows 7 key? It would be on the side of the computer or bottom if a laptop.


Edited by JohnC_21, 11 November 2017 - 10:42 AM.


#26 geno368

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Posted 11 November 2017 - 10:46 AM

yes I do...It is on the side of the desktop...That just does not make any sense to me either...Should I revert back to legacy?



#27 JohnC_21

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Posted 11 November 2017 - 10:53 AM

You can try setting to legacy. I found this video. Did you set your BIOS setting to default before doing the install.

https://www.youtube.com/watch?v=YSDO1YccCio

This video recommends setting to Legacy but if the disk was initialized as GPT using the convert GPT command I posted then Windows 7 64bit should be able to boot. This is 64bit Windows 7, correct? 

 

Change the setting to Legacy and see if it boots. If not then you would need to do the following commands in diskpart because the disk has to be converted to MBR.

 

diskpart

list disk

select disk 0

clean                   This will not zero the disk but simply delete all your existing partitions. It will be quick

convert MBR       If you get an error ignore it

 

continue with the install.



#28 SleepyDude

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Posted 11 November 2017 - 10:54 AM

Hi,

 

Repeat this:

... Why would it boot just fine with the windows cd in the drive?  I restart and when the screen says "press any key to boot from cd" I ignore it and it boots fine???

 

Can you access Windows this way?


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#29 geno368

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Posted 11 November 2017 - 10:57 AM

I did not change it to default settings....that would defeat the changes we made...right?  This is 64b


I did not change it to default settings....that would defeat the changes we made...right?  This is 64b



#30 geno368

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Posted 11 November 2017 - 10:58 AM

Hi,

 

Repeat this:

... Why would it boot just fine with the windows cd in the drive?  I restart and when the screen says "press any key to boot from cd" I ignore it and it boots fine???

 

Can you access Windows this way?

yes I can...






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