From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id EEE7E1382C5 for ; Fri, 18 Dec 2020 09:06:50 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id CBB90E09B8; Fri, 18 Dec 2020 09:06:45 +0000 (UTC) Received: from mail-gw.thundermail.uk (mail-gw.thundermail.uk [149.255.60.75]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 6E318E096A for ; Fri, 18 Dec 2020 09:06:45 +0000 (UTC) Received: from mailgw01.thundermail.uk (mail-gw.thundermail.uk [149.255.60.66]) by mail-gw.thundermail.uk (Postfix) with ESMTPS id 8ED5E60014FE for ; Fri, 18 Dec 2020 09:06:43 +0000 (GMT) X-ASG-Debug-ID: 1608282402-055413665b22e55f0001-LfjuLa Received: from cloud307.thundercloud.uk (cloud307.thundercloud.uk [149.255.58.40]) by mailgw01.thundermail.uk with ESMTP id XZuC64n8DrjJ23up (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Fri, 18 Dec 2020 09:06:42 +0000 (GMT) X-Barracuda-Envelope-From: confabulate@kintzios.com X-Barracuda-Effective-Source-IP: cloud307.thundercloud.uk[149.255.58.40] X-Barracuda-Apparent-Source-IP: 149.255.58.40 Received: from lenovo.localdomain (230.3.169.217.in-addr.arpa [217.169.3.230]) by cloud307.thundercloud.uk (Postfix) with ESMTPSA id D4285CD8CCE for ; Fri, 18 Dec 2020 09:06:41 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kintzios.com; s=default; t=1608282402; bh=VR6M6ASiYFriVW4JMdGUdtxH7Wi5B8qdyXcOfq4sRbE=; h=From:To:Subject; b=aEy+Y+7Xbd51nwB0rnn7c8D+9Yu81sT1n9JA6Pq/3nMyYtnuk0/WCNDXwGemIyFgA m6Trzo23jaATTdYBFvPk8XSH4989c+R45muQLPuF3R/U1ZwrZ+kvqPd5OXGgdZNOjF +j52v+Q4K53vYAlJWuZEw0VCkU7bz9hyb7a2qaF0= Authentication-Results: cloud307.thundercloud.uk; spf=pass (sender IP is 217.169.3.230) smtp.mailfrom=confabulate@kintzios.com smtp.helo=lenovo.localdomain Received-SPF: pass (cloud307.thundercloud.uk: connection is authenticated) From: Michael To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] How di I nuke+repave Dell XPS 8940 UEFI secure boot? Date: Fri, 18 Dec 2020 09:06:25 +0000 X-ASG-Orig-Subj: Re: [gentoo-user] How di I nuke+repave Dell XPS 8940 UEFI secure boot? Message-ID: <12668364.uLZWGnKmhe@lenovo.localdomain> In-Reply-To: <0ae6f3e3-5ac1-bb0e-4e7e-24cca6fcca8e@88.com> References: <0ae6f3e3-5ac1-bb0e-4e7e-24cca6fcca8e@88.com> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart2753924.e9J7NaK4W3"; micalg="pgp-sha256"; protocol="application/pgp-signature" X-PPP-Message-ID: <20201218090642.4068158.57816@cloud307.thundercloud.uk> X-PPP-Vhost: kintzios.com X-Barracuda-Connect: cloud307.thundercloud.uk[149.255.58.40] X-Barracuda-Start-Time: 1608282402 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://149.255.60.66:443/cgi-mod/mark.cgi X-ASG-Orig-Subj: Re: [gentoo-user] How di I nuke+repave Dell XPS 8940 UEFI secure boot? X-Virus-Scanned: by bsmtpd at thundermail.uk X-Barracuda-Scan-Msg-Size: 1574 X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=1.9 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.86607 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- X-Archives-Salt: 3cbdf326-315e-4875-ab10-be64904547ec X-Archives-Hash: a6606cc21eb40d6bc165ff385d34cc07 --nextPart2753924.e9J7NaK4W3 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8"; protected-headers="v1" From: Michael To: gentoo-user@lists.gentoo.org Reply-To: confabulate@kintzios.com Subject: Re: [gentoo-user] How di I nuke+repave Dell XPS 8940 UEFI secure boot? Date: Fri, 18 Dec 2020 09:06:25 +0000 Message-ID: <12668364.uLZWGnKmhe@lenovo.localdomain> In-Reply-To: <0ae6f3e3-5ac1-bb0e-4e7e-24cca6fcca8e@88.com> References: <0ae6f3e3-5ac1-bb0e-4e7e-24cca6fcca8e@88.com> On Friday, 18 December 2020 08:00:51 GMT bobwxc wrote: > =E5=9C=A8 2020/12/18 =E4=B8=8A=E5=8D=8810:47, Walter Dnes =E5=86=99=E9=81= =93: > > How do I turn off UEFI secure boot... and UEFI for that matter? I > >=20 > > want a simple bootable system. Sticking in a USB key and trying to boot > > off of it resulted in... > >=20 > > ERROR > >=20 > > Verification failed; (0x1A) Security Violation >=20 > UEFI secure boot is depend on your motherboard firmware. > Please enter the BIOS when power on your computer and turn > down corresponding option. >=20 > How to enter BIOS and where is the option is depend on your > device model, please search on web or call the service center. Dell XPS MoBo settings menu is usually entered by pressing F2 at start up -= =20 check the manual for it. You can disable Secure Boot from the Boot menu an= d=20 also select the first bootable device. The bootable device can also be=20 selected by pressing F12 at start up. Secure Boot won't allow you changing= =20 hardware on these MoBos - unless the UEFI firmware inc. drivers has been=20 signed by Microsoft. A lock-in some/all? OEMs and hardware manufacturers h= ave=20 capitulated on, unless you use the RHL shim and MOK (Machine Owner Key)=20 manager to sign/boot GRUB and from GRUB you can then boot the OS of your=20 choice. Simplest, slimmest solution is to disable Secure Boot, then use efibootmgr= =20 application in Linux to edit the OS kernel images ordered list in the UEFI= =20 boot menu. For multibooting different kernels/OS/devices, at any time you = can=20 press F12 at start up. --nextPart2753924.e9J7NaK4W3 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. 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