-----Original Message----- From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On Behalf Of Rainer Traut Sent: den 5 november 2012 11:39 To: CentOS mailing list Subject: [CentOS] Centos 6: Dell GX270 fails to power down (but reboots) >am using latest C6 on a Dell GX270 with latest Bios. >It fails to power down but restarts when running >$ sudo poweroff Isn't this the Optiplex-modells that were a bit quirky and also had leaky capacitors on the motherboard? Anyway, have you tried updating the BIOS? -- /Sorin