Restoring my dell laptop to the default factory

I have a dell Latitude e5530 laptop and I am trying to understand what keys I need to press to restore to the factory settings. there is a hidden partition to restore it, I saw it but I cant find the right keys to do it. I found so many option in google but they are not working ...

what keys should I press for this model please ?
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Tony GiangrecoCommented:
Press f10 when you see the dell logo
Tony GiangrecoCommented:
After looking further into this, it appears you might need to restore from a system backup if your system doesn't have the recovery partition setup that most laptops have.

Here is a page that describes that laptop in detail.
Gary CaseRetiredCommented:
Most Dell laptops these days use Ctrl-F11 during the POST display.   Have you tried that sequence?
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Yes, Ctrl+F11, prior to the 2-second blue banner appearing.
Dell 2-second banner (click for larger)Dells with the hidden partition check the keyboard buffer for Ctrl+F11 during that blue banner... if that blue banner does not appear, the Dell MBR is missing.

See for a thorough explanation... specifically, explains how the Dell MBR works.

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ItaliabellaAuthor Commented:
Thank you all, I tried all of your advices but I can get the hidden partition to work. I reformatted the laptop using a windows 7 disk :)....
You never told us what the original operating system was...
Dell did not use hidden recovery partitions (nor the Dell MBR and its blue banner) for Win7.

For Win7, you would use the Factory Image Restore entry at the bottom of the Recovery Options menuDell - Win7 - Factory Restore (click for larger)
ItaliabellaAuthor Commented:
Darr247,That is the problem, I don't have that entry. I was in the right spot but that entry " Dell Factory Image Restore" is not there.
Sorry I had windows 7. I am installing all the updates now. in one way it is better so I don't have all the junk software that comes with Dell ones you buy it....:)
thank you again....your advices and instruction are great and perfectly clear.
If you have Win7 installed and can see the recovery partition, even now you should be able to run

imagex /apply d:\dell\image\factory.wim 1 c:

where "d:" is the drive of the recovery partition and "c:" is the drive where you want the factory image restored TO.
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