From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Sturmfels Subject: bug#35408: External monitor not working with GDM Date: Wed, 24 Apr 2019 14:25:14 +1000 Message-ID: <87ftq8c9n9.fsf@sturm.com.au> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" Return-path: Received: from eggs.gnu.org ([209.51.188.92]:59806) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hJ9eb-0003Z6-UO for bug-guix@gnu.org; Wed, 24 Apr 2019 00:37:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hJ9ea-0008ND-Oh for bug-guix@gnu.org; Wed, 24 Apr 2019 00:37:05 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:41286) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hJ9eY-0008LZ-P6 for bug-guix@gnu.org; Wed, 24 Apr 2019 00:37:04 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hJ9eY-00025Q-JN for bug-guix@gnu.org; Wed, 24 Apr 2019 00:37:02 -0400 Sender: "Debbugs-submit" Resent-Message-ID: Received: from eggs.gnu.org ([209.51.188.92]:59260) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hJ9da-0002Yq-Rk for bug-guix@gnu.org; Wed, 24 Apr 2019 00:36:03 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hJ9TI-00073K-Fg for bug-guix@gnu.org; Wed, 24 Apr 2019 00:25:26 -0400 Received: from wout1-smtp.messagingengine.com ([64.147.123.24]:46539) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hJ9TG-000724-KF for bug-guix@gnu.org; Wed, 24 Apr 2019 00:25:23 -0400 Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailout.west.internal (Postfix) with ESMTP id 32043378 for ; Wed, 24 Apr 2019 00:25:20 -0400 (EDT) Received: from localhost (203-214-132-170.perm.iinet.net.au [203.214.132.170]) by mail.messagingengine.com (Postfix) with ESMTPA id A057EE44F1 for ; Wed, 24 Apr 2019 00:25:18 -0400 (EDT) Received: from localhost (localhost [local]) by localhost (OpenSMTPD) with ESMTPA id 220314aa for ; Wed, 24 Apr 2019 04:25:14 +0000 (UTC) List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org Sender: "bug-Guix" To: 35408@debbugs.gnu.org --=-=-= Content-Type: text/plain Hi Folks, I was previously using a 24" Samsung external monitor with my X200 Guix System via VGA. Since the switch to GDM, I no longer seem to be able connect this monitor. When I do, the laptop screen just keeps flashing. Any suggestions on how to troubleshoot this? Regards, Ben --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEPn825zvdanEG+SAhAjwF4snAaPAFAly/5SoACgkQAjwF4snA aPDohg/+OoJDasJZmHFWZuU4nlDHXzE6748s+Yu7nO0Z9i/yYHXA9DACNh4oodkE zW8U40RRgzNSAsKEXU+K0tu5xkS3WQ+5NhQOV86dkqzAM4vW4RQfYaN2otvbe2gL jIKnqH9SxlJRgMJG7cb/jBY9pGK4h5le700ab4ZOLhIbmTSBxx9prOzYpbgoX2tu uhOYVX2c8oISAnAEvD2fN36LPMDdqMyOGUyndITTFo7FX3gr9F1XWkvj6hBEEmdj FXm2KWUzUH+GYoUSdz44+j5HnYLZa8Cv4Xgp3RY3Qao8ng3g9wgUzjAsMdcPqg8c FNfi49mZqID362LVaiqJkty6Vp1vxJFTHJ282XpBDd3YGzEBIlkX/agTP6Um29ig JFsYly5eIUA80WDsKcauEHHVO47sMbey+BlhJqf7oNpyVCoF5SyW3p5kw99Ej97a KKxzMA777ry5RD1BO0qRlE9AQaG9iHPi63VXdCV5J4sUWiArMxDCRMiXQ5bE1TnY t8nenIAcnfNa2aWjt50vJi7yR3INpv9SDvnJbiGHKj8OC+o25ZKK5nzf3x98VRUZ 3NYbSe0Bgv53BFM9wA1h6nlbhM8axi/KXYR+dBYceb8WeK3Z2iMc8D9rSbWCwKmc T/FuEh6kNA1twlvwrQvH0e6wzWVsFFUhodSBv4Tyk7iOl1NP5AA= =AbI1 -----END PGP SIGNATURE----- --=-=-=--