XPS 15 9550 BIOS Extract

Can anyone guide me to extract .rom file from my XPS 15 9550 BIOS.I've already tried 7zip,winrar,UniExtract.Nothing seems to be working.

BIOS Link: https://downloads.dell.com/FOLDER04499656M/1/XPS_9550_1.4.0.exe

I've already enabled SST with following guide :

Code:

Can't find that guide again, so i will describe it in short:
1) format flash drive with FAT32 filesystem
2) download that archive https://www.firewolf.science/wp-content/uploads/2015/04/EFI-shell.zip
3) put efi file from archive into Boot/bootx64.efi on your flash drive
4) boot from flash drive. you will get uefi shell
If it is not booting - go to bios, boot sequence - and add custom entry pointing to that efi file. than reboot, F12 and choose your custom entry
After that in shell
Code:
setup_var 0xD8
It should return value 0x0. Next modify value:
Code:
setup_var 0xD8 0x1
After reboot windows will be happy to enable Speed Shift for you. No more need to enable it manually from Throttle Stop (even who knows if it is working properly if you are enabling it after system boot) 

But now i want to know all the setup_var values for advanced configs.Anyone ?

 

http://www.majorgeeks.com/files/details/universal_bios_backup_toolkit.html
You can dump your current BIOS to a rom file with that, once you have the ROM you can use BIOS editors to take it to bits, I have opened it with "AMI Aptio UEFI MMTool"

I can't help you with anything else as I havn't done more than the steps above

https://www.bios-mods.com/ is a good site though.

 

Thanks for your reply.i've already successfully extracted my BIOS and Accessed advanced settings.I'll post detailed tutorial here regarding accessing advanced bios options for XPS 9550/9560 Laptops.

 

[QUOTE = "tiger501, post: 10624243, member: 695419"] Yanıtınız için teşekkür ederiz. Ben zaten başarıyla BIOS'umdan çıkardım ve gelişmiş ayarlara eriştim. Burada, XPS 9550/9560 için gelişmiş bios seçeneklerine erişmekle ilgili ayrıntılı öğretici yazı gönderirim dizüstü bilgisayarlar. [/ Alıntı]

Merhaba kardeşim. yardıma ihtiyacım var. Rom ve hdr (kbc) dosyalarını ayıklayamadım. Model: XPS 13 L321X Teşekkürler

 

Take a look at this GUIDE: http://forum.notebookreview.com/threads/tutorial-xps-15-9550-9550-bios-advanced-options.810307/

 

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Hi ,

in the XPS 9550 2016/2017 is not possible to flash a "ROM" file anymore ,or at least not this extension . If you got stucked in the BIOS 1.6.1 ,no worries, you can downgrade to any BIOS version ,check carefully this tutorial ,it´s really simple and easy : https://github.com/wmchris/DellXPS15-9550-OSX/blob/10.13/Additional/bios_upgrade.md

For the XPS 9550 2016 model , in my case , the perfect BIOS that works really smooth and all the Intel technologies are working fine is the BIOS version 1.5.1 .
To find old BIOS it´s easy , just google "XPS 9550 BIOS 1.4.0" or "xps 9550 BIOS 1.2.25" , depending on the version you are looking for .
Thanks to that tutorial now is possible to downgrade to any BIOS you like ,check which fits you more ,but for Windows 10 users i recommend 1.5.1 , is more stable and works really fine . I know is a pain in di ars all this, i searched everywhere... not even on the Dell website is coming the solution.... i am wondering how this guy knew about this solution...or maybe is an old method and i didn´t know...anyway, the point is that if 1.6.1 gives you problems, go back to 1.5.1 . 1.4.0 i saw it a bit faster in the start up , and 1.2.25 a bit faster too, but it might not go too smooth with Windows 10, so if you wanna avoid black screens and blue screens and all this, better go for 1.5.1 that is really stable . If you guys need to ask more questions, i am here to reply anytime. Cheers and good luck with your XPS 9550 ,enjoy it !