On 07/24/2016 05:44 AM, fred roller wrote: > First thing I would check is the CMOS battery if you have one or can get to > it. Sounds like system time is not being held. Go through boot log. If the > system corrects shortly after a. Nts comes up and b. Network connection is > established then this may be the case. Couple dollars for a button battery > will have you right. > ---> imbw, but, if battery is too weak to hold clock settings, reversion would be further than a few days. even if there is a cap holding cmos v. to prove or disprove, if op is interested is to pull mains for several minutes, then boot to bios and check clock. no need for a full system power up. if clock is correct, not battery. if off by days, may be battery. iirc, lithium cells and batteries should maintain level voltage over around 3 years of load rating. after that time, voltage drops at a sharp rate. i have seen lithium cmos batteries last over 5 years, but that was just to see how long they would last. i normally leave a system up 24/7/365 and only power down for service or hardware change. running systems on apc ups makes for safe operation because of ups feed back to system. about 6 years ago, area lost utility mains and i ran home with a 40Kw generator. i had to reset low voltage levels of ups so it would not cycle to batteries when generator dropped in output. some info on cmos and lithium batteries: https://en.wikipedia.org/wiki/Nonvolatile_BIOS_memory https://en.wikipedia.org/wiki/Lithium_battery -- peace out. CentOS GNU/Linux 6.8 tc,hago. g . =+= Tired of having your microsoft os hacked? Change to Linux os, used by microsoft hackers. =+= in a world with out fences, who needs gates. =+= -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://lists.fedoraproject.org/admin/lists/users@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
