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Windows 7: Hacking W7 OS to tweak F11 behavior

20 Dec 2018   #1
iBenny

Windows 7 Home Premium 64 bit
 
 
Hacking W7 OS to tweak F11 behavior

Hi everybody,

I know I know ! it's forbidden to modify the kernel but... it depends what for.

In relation with my old HP G62 laptop, what I want to know is EXACTLY what does the boot F11 key do in the boot process. Next, I would like to tweak something (if it has to be the kernel, so be it) that instruct the F11 procedure where to find the RECOVERY partition when it is no more in the third place in the partition order of the HDD. I indeed moved the Recovery partition at EOD (end of disk) after having split the main Windows partition asunder that renders the boot F11 blind and inoperative. I guess the F11 procedure seeks the RECOVERY partition by it's place in the HDD partition order instead of it's drive letter or it's drive name (to be verified).

Thanks in advance for your involvment,

Best regards
iBenny


My System SpecsSystem Spec
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20 Dec 2018   #2
iBenny

Windows 7 Home Premium 64 bit
 
 

Or maybe the fact that I mistakenly deleted my HP_TOOL partition have something to do with the boot F11 behavior ?

iBenny
My System SpecsSystem Spec
20 Dec 2018   #3
torchwood

W7 home premium 32bit/W7HP 64bit/w10 tp insider ring
 
 

Hi Ibenny,

from 2014, see screenshot



Roy


Attached Thumbnails
Hacking W7 OS to tweak F11 behavior-ibenny.png  
My System SpecsSystem Spec
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20 Dec 2018   #4
samuria

win 8 32 bit
 
 

F11 has nothing. To do with the kernel it acts before windows loads and is in the boot sector other software like acronis sets it to do it's recovery
My System SpecsSystem Spec
20 Dec 2018   #5
iBenny

Windows 7 Home Premium 64 bit
 
 

Hi Torchwood and Samurai

Which boot sector are we talking about ? The boot sector of the SYSTEM partition which boots the OS ? I presume. So, all there is to do is to find the starting sector of the displaced RECOVERY partition and tweak the SYSTEM partition boot sector !?

Best regards
iBenny
My System SpecsSystem Spec
20 Dec 2018   #6
samuria

win 8 32 bit
 
 

Are you running mbr or uefi and what files are in the recover parition ie does it look likee a bootable parition or does it have a ghost type image
My System SpecsSystem Spec
20 Dec 2018   #7
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

Hi iBenny,

I don't have a HP G62, however it is likely you just need to adjust the bcd entry to point at the recovery partition.

It can be done via commands, but will probabaly be easier for you to use Boyans program - visualbcd.

The current F11 entry will be a "custom action", you can find those with visualbcd - delete the existing F11 entry and create a new one pointing at the recovery partition. You could choose a different key/key combination for the new entry if you like.

Click New>CustomAction

Hacking W7 OS to tweak F11 behavior-visualbcd.jpg

Download Visual BCD

Download visualbcd 0.9.3.0 or 0.9.3.1


My System SpecsSystem Spec
20 Dec 2018   #8
iBenny

Windows 7 Home Premium 64 bit
 
 

WOW ! Thanks again SIW2... will try that and report within a week (maybe tomorrow).

Best regards
iBenny
My System SpecsSystem Spec
20 Dec 2018   #9
iBenny

Windows 7 Home Premium 64 bit
 
 

Qwick question : if I erase the partition letters of the RECOVERY and the HP_TOOLS partitions to take them out of the explorer, will they still work if invoked by F11 per instance (for the Recovery partition), or if a tool is called by a Start menu link ?

Regards
iBenny
My System SpecsSystem Spec
20 Dec 2018   #10
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

Quote:
will they still work if invoked by F11 per instance
Yes. You can remove the letter after setting the bcd entry. F11 will still work.

It won't work for regular shortcuts.
My System SpecsSystem Spec
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 Hacking W7 OS to tweak F11 behavior




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