Hi Ronni, The problem I have with that is that my USB portable HD ejects if iMac is put to sleep. That HD is my Time Machine Backup.
So since I replaced my large mains HD with this one about a year ago, I no longer sleep my iMac. I shut down every night and re-start each morning. > On 25 Nov 2014, at 1:45 pm, Ronda Brown <[email protected]> wrote: > > Another thing Alan I forgot to mention earlier. > > I would not really trust the 2009 Hard Drive so keep regular bootable backups. > Also I suggest you don't Shutdown the iMac all the time like you do, just let > it sleep. > You can put it to sleep manually when ever you want. > > When you shutdown and startup your computer, the Hard Drive and other > components get more wear and tear, and use more energy. > > I recommend all Mac users to sleep their computers unless they won't be used > for more than a few days, and all Mac users should shutdown their computers > at least once a month to clean out all the 'junk' that collects inside the > components. > > Shutting down a computer wipes away the computer's RAM, which might have some > corrupt/junk data left in it from various things the computer does. It also > lets the computer's components cool down. > > The best advantage of 'sleeping' is that the computer (a) goes to sleep > almost immediately, allowing quick transport of a laptop, and no vigilance > after 'clicking shutdown'... on a desktop, and (b) wakes up almost > immediately, allowing you to get back to work right away. > > I rarely shut down my computers. > > Cheers, > Ronni > > Sent from Ronni's iPad4 > > > On 25 Nov 2014, at 1:18 pm, Ronda Brown <[email protected] > <mailto:[email protected]>> wrote: > >> Hi Alan, >> >> Yes, I wanted your to Reset the PRAM and then follow my original >> instructions of reinstalling Mavericks. >> I thought my intentions were always clear from the start, and my >> instructions were clear - My intentions were to get your 2009 iMac working >> correctly again ;-)) >> >> Don't connect the external drives until you are absolutely sure everything >> is working as it should. >> If it is, do a bootable backup, so you then have a current backup to fall >> back on if the external drives cause problems again. >> >> Cheers, >> Ronni >> >> Sent from Ronni's iPad4 >> >> >> On 25 Nov 2014, at 11:53 am, Alan Smith <[email protected] >> <mailto:[email protected]>> wrote: >> >>> Hi Ronni >>> >>> Reset PRAM. Not sure of your intention. Is is to do with fixing the >>> Startup Chime? Or general housekeeping following Disk Warrior repairs? >>> >>> Later I re-installed OS X Mavericks (from OS X Utilities). Thirty minutes >>> download (via WiFi) plus 42 minutes installation. >>> >>> I didn’t check functions after PRAM reset. But some functions left >>> problematic after Disk Warrior are now OK (checked after Mavericks >>> re-installed). >>> (a) Now no alert message re iTunes invalid certificate (was “iTunes can’t >>> verify the identity of the server “init.itunes.apple.com >>> <http://init.itunes.apple.com/>”). Now plays local music and connects to >>> iTunes Store without problems >>> (b) Sudoku app loads and operates normally - previously got message that >>> the app was damaged and to download a new copy. >>> (c) Dropbox seems to be OK, but may not have beeen “inactive” as I thought >>> yesterday. >>> (d) Startup Chime: this has worked every time today. The “little squeak” >>> noted still occurs sometimes at the very start of the chime. I will do >>> further monitoring to see if there are Chime differences depending on the >>> shut-down mode. Possibly had no start chime when I turned power off at the >>> rear switch. >>> >>> So PRAM reset plus Mavericks re-install have raised performance. I have >>> not connected the external hard drives (videos) which will put iTunes (and >>> the iMac) to a real test. >>> >>> Cheers >>> Alan >>> >>> >>> On 24 Nov 2014, at 10:06 pm, Ronda Brown <[email protected] >>> <mailto:[email protected]>> wrote: >>> >>>> Reset your computer's PRAM >>>> >>>> Shut down your Mac. >>>> Locate the following keys on the keyboard: Option, Command (⌘), P, and R. >>>> You will need to hold these keys down simultaneously in step 4. >>>> Turn on your Mac. >>>> Immediately press and hold the Option-Command-P-R keys. You must press >>>> this key combination before the gray screen appears. >>>> Continue holding the keys down until your Mac restarts, and you hear the >>>> startup sound for the second time. >>>> >>>> Release the keys. >>>> Resetting PRAM may change some system settings and preferences. Use System >>>> Preferences to restore your settings. >>>> >>>> Cheers, >>>> Ronni >>>> >>>> Sent from Ronni's iPad4 >>>> >>>> >>>> On 24 Nov 2014, at 8:24 pm, Alan Smith <[email protected] >>>> <mailto:[email protected]>> wrote: >>>> >>>>> Hi Ronni >>>>> >>>>> Absence of the startup chime is intermittent. Chime worked OK when I >>>>> restarted Mac to confirm I still had access to the Recovery Disk and then >>>>> again to check WiFi signal strength. System sound settings are all >>>>> normal. Perhaps a reinstalled OS X will clear it up. >>>>> >>>>> Cheers >>>>> Alan >>>>> >>>>> >>>>> On 24 Nov 2014, at 7:44 pm, Ronda Brown <[email protected] >>>>> <mailto:[email protected]>> wrote: >>>>> >>>>>> Hi Alan, >>>>>>> On 24 Nov 2014, at 4:35 pm, Alan Smith <[email protected] >>>>>>> <mailto:[email protected]>> wrote: >>>>>>> >>>>>>> iMac subsequently started up OK. Some “irregularities” noted for >>>>>>> future investigation, including no startup Chime; >>>>>> >>>>>> Check your System Sound is not 'Muted' or turned down too low >>>>>> System Preferences > Sound - Output >>>>>> Output volume: Check that 'Mute' is not ticked. >>>>>> >>>>>> Cheers, >>>>>> Ronni >> -- The WA Macintosh User Group Mailing List -- >> Archives - <http://www.wamug.org.au/mailinglist/archives.shtml >> <http://www.wamug.org.au/mailinglist/archives.shtml>> >> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml >> <http://www.wamug.org.au/mailinglist/guidelines.shtml>> >> Settings & Unsubscribe - >> <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug >> <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug>> > -- The WA Macintosh User Group Mailing List -- > Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> > Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> > Settings & Unsubscribe - > <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug> Regards, Stephen Chape Mac by choice Windows because my employer knew no better
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