How to Roll Back a Failed BIOS Update for my HP Compaq 6735s (467826R-999) Notebook

I have searched the community and HP pages for instructions to uninstall a BIOS Update in case it fails, and I haven't found the procedure.
My notebook is an HP Compaq 6735s (467826R-999) running the Windows 7 64 bit Professional SP1, and a BIOS revision level of HP "68GPP F.0E, 09/14/09".
Going to the Drivers/Downloads for this notebook
http://h20566.www2.hp.com/portal/site/hpsc/template.PAGE/public/psi/swdHome/?sp4ts.oid=3687622&spf_p...
I can see my old F.0E of 9/14/09 is super old because there is the F.21 dated 30-Jul-2012, GREAT!! I just have to be sure I can recover from a (possible) failed BIOS Update.
Oh yeah, one more thing: I'm not sure of the differences between the HPQFlash, the ROM Image, and the ROMPaq listed rows in the link above. Which should I run?
Thank you for your efforts!

Were your suggestions assuming that I had already run a BIOS update? I have not. I'm just trying to be sure that I can recover from a failed attempt! I plan to run the BIOS update on 9/20/13.
So, when I follow your suggestion of Restart, then "F2", my notebook goes into a System Diagnostics menu.
I spent some time in the F10, BIOS Setup, Maintenance screens but didn't find any option to RollBack. Again, I suppose it is because I'm running the original, F.0E version!
I also checked the link
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&dlc=en&docname=c02693833
you provided to Restore your BIOS, and the tips didn't work for me - at least not with the original version installed.
If I do take the plunge, which would you recommend:
HPQFlash
ROM Image
ROMPaq
Thank you!

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Hi @Passat3c5
Thank you for your query.
I understand that you would like to restore the bios in your notebook.
Here is a document to assist you with that process. Restoring the BIOS
You can also restore the bios to the default by going into the bios screen. Along the bottom you will see an option to restore defaults.
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Sparkles1
I work on behalf of HP
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How to Roll Back a Failed BIOS Update for my HP Compaq 6735s (467826R-999) Notebook

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