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Helpful answers
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Feb 15, 2016 10:11 AM in response to pezavyby Kappy,Be sure it is connected to a port on the iMac, and not through a hub. Mine was connected to a Mobee hub and also stopped working. Going directly to the iMac fixed it.
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Feb 15, 2016 10:20 AM in response to Kappyby pezavy,Thanks Kappy,
Connected directly to iMac. I tried all 4 USB ports on the back of the iMac. No change. No APC Back-UPS (BX7000U -GR) icon in menu or in System Preferences - Energy Saver menu.
Reboot and turning off iMac did not help either.
Peter
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Feb 15, 2016 10:50 AM in response to pezavyby Kappy,Strange. Maybe different on my 2015 iMac. You might try:
Try this:
Boot the computer into Safe Mode, then restart normally. This will be slower than a normal startup.
Intel-based Macs: Resetting the System Management Controller (SMC)
Resetting your Mac's PRAM and NVRAM
Repair the Hard Drive and Permissions - El Capitan
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears.
Repair
When the recovery menu appears select Disk Utility and press the Continue button. After Disk Utility loads select the indented Macintosh HD entry from the the left side list. Click on the First Aid tab in the toolbar.. If Disk Utility reports any errors that have been fixed, then re-run First Aid until no errors are reported. Wait until the operation completes, then quit Disk Utility and return to the main menu. Select Restart from the Apple menu.
Now, Download and Reinstall OS X El Capitan 10.11.3 Combo Update.
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Feb 15, 2016 2:52 PM in response to Kappyby pezavy,Hi Kappy,
As I had no any better idea I just followed the suggested steps:
1.Safe mode + normal restart - No APC Back-UPS
2.Reset SMC - No APC Back-UPS
3.Reset Mac’s PRAM/ NVRAM - No APC Back-UPS
4.Boot Recovery HD mode - Disk Utility - First Aid - Restart - No APC Back-UPS
5.El Capitan 10.11.3 Combor-Update downloaded - Reinstalled - No APC Back-UPS
6.I tried two different USB cables just in case any of them would fail. - No APC Back-UPS
7.The APC Back-UPS (BX700U-GR) is brand new. I bought it in late December.
When I connected first time I saw the APC Back-UPS icon in the menu and System preferences for sure.
APC Back-UPS: charged with green light on, after unplugged it provides power to the iMac.
Extra info:
8.I upgraded the memory from default Apple 8GB to OWC 32 GB (specific for iMac's late 2009) in late January. Should not interfere with APC Back-UPS I guess.
No more clue.
Peter
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Sep 8, 2016 3:46 AM in response to pezavyby AndreD,Hi Peter,
have you ever figured out how to fix this? The same happened to me, running Mac OS 10.11.6. First, the connection with the APC BX700U-GR worked fine on my late-2015 Retina 27" iMac (menubar item was there as well as the Preference pane) but then it was gone; I assume that it happened after the recent security update, but I am not sure.
And now I don't get the settings back, regardless what I have tried.
Any luck for you?
Thanks,
Andre