Forum RSS Feed Follow @ Twitter Follow On Facebook

Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5
[-]
Welcome
You have to register before you can post on our site.

Username:


Password:





[-]
Latest Threads
[REQUEST] Acer Aspire E5-473(G) BIOS Unl...
Last Post: KUSANAGUI777
Today 12:45 AM
» Replies: 20
» Views: 13710
[REQUEST] Lenovo Thinkpad SL400 & SL500 ...
Last Post: FilhoSenhor
Yesterday 09:39 PM
» Replies: 19
» Views: 11219
[REQUEST] HP ProBook 4720s whitelist rem...
Last Post: Paxviffpack
06-30-2025 04:26 PM
» Replies: 15
» Views: 11185
[REQUEST] Lenovo IdeaPad Z570 (45CNxxWW)...
Last Post: Dudu2002
06-30-2025 08:49 AM
» Replies: 95
» Views: 113758
[REQUEST] Acer Aspire VN7-791(G) BIOS Un...
Last Post: Dudu2002
06-30-2025 02:16 AM
» Replies: 91
» Views: 89675
BIOS Unlock Request – Dell Latitude 5420
Last Post: gata.infernum
06-29-2025 09:14 PM
» Replies: 0
» Views: 158
Asus T100
Last Post: EmmetIsOfficial
06-29-2025 02:33 PM
» Replies: 6
» Views: 11831
BIOS Unlock Request – Dell Latitude 7480
Last Post: na3nou3.electronics
06-28-2025 10:33 AM
» Replies: 1
» Views: 282
[REQUEST] Lenovo G510 (79CNxxWW) Whiteli...
Last Post: Dudu2002
06-27-2025 12:58 PM
» Replies: 597
» Views: 299126
[REQUEST] Lenovo G570 (40CNxxWW) Whiteli...
Last Post: Mark738
06-27-2025 12:07 PM
» Replies: 172
» Views: 160478
Lenovo Y550 BIOS Unlocking (Advanced Men...
Last Post: kentsergeo
06-27-2025 01:23 AM
» Replies: 1
» Views: 645
[REQUEST] Toshiba Satellite L650 WhiteLi...
Last Post: averagenokiauser
06-26-2025 02:58 PM
» Replies: 15
» Views: 7447
[REQUEST] Thunderobot 911s Core BIOS Unl...
Last Post: EgaschNSK
06-26-2025 07:28 AM
» Replies: 0
» Views: 426
[REQUEST] Lenovo G400S (7BCNxxWW) Whitel...
Last Post: Roago
06-25-2025 06:50 PM
» Replies: 215
» Views: 108848
[REQUEST] Toshiba Satellite L750 & L755 ...
Last Post: EiadSherif2008
06-25-2025 05:12 PM
» Replies: 78
» Views: 57583
Lenovo B590 unlock the checking original...
Last Post: leecher1337
06-25-2025 02:42 PM
» Replies: 34
» Views: 26582
[REQUEST] Sony Vaio SVE141 & SVE151 seri...
Last Post: Reza1
06-25-2025 12:28 PM
» Replies: 52
» Views: 31844
BIOS Mod to Disable Intel iGPU on Acer V...
Last Post: DeathBringer
06-25-2025 05:14 AM
» Replies: 7
» Views: 647
[REQUEST] Veriton M2610 - Ivy Bridge Sup...
Last Post: callumfix77
06-24-2025 05:17 AM
» Replies: 24
» Views: 14471
[REQUEST] Check my bios mod ASUS TUF A15...
Last Post: waayo69
06-23-2025 07:46 PM
» Replies: 0
» Views: 552

ROM.CAB BIOS Editing?
#1
Hello,

I have an HP 4510s with firmware F.20 installed. Unfortunately having this latest firmware installed is a little problematic as it can't be rolled back and performs checks against a signature before HPQFLASH will update the BIOS.

I have upgraded the PCI Express Mini wifi card in the notebook and of course need to get around the whitelist. I'm quite happy to simply replace the original card's harware ID with the new one and I believe I've been able to do that successfully using EZH20 and WinHEX. The problem is, now I've saved my ROM.BIN file, I can't actually flash it to the notebook, because HPQFLASH requires the original ROM.CAB file, and there's no way that I can think of to create a CAB file that will meet the signature check.

So am I doing something wrong? Is there some way to work around this?

Thanks in advance for your help,

Trevor

EDIT: Sorry if this isn't the correct sub-forum for my question, but I wasn't sure which would be better so put it here as it is whitelist related Smile
find
quote
#2
Is this a dead forum, then?

I've managed to find this post by TTAV134, someone who seems to have done a lot of work on whitelist removal BIOS rewriting a couple of years ago, but hasn't posted anything since 2011. Anyway, it seems it is possible to modify the BIOS, but there is a check being performed by all current HP notebooks to determine if the BIOS is valid and genuine, and if not the device stops working.

This leads me to a couple of conclusions - either the BIOS can be modified to stop checking validity/legitimacy of installed BIOS firmware, or for devices that originally had BIOS firmware that didn't perform these checks there needs to be some way to roll back to a previous version.

My personal circumstance with the Probook 4510s means only the latest F.20 firmware implements these checks and prevents roll-back - none of the previous BIOS versions performed such checks or prevented roll-back to previous BIOS versions.

So does anyone know of a way to successfully reflash an older Firmware version to this (or similar HP) laptop?
find
quote


Forum Jump:


Users browsing this thread: 1 Guest(s)