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My late 2013 27 iMac connects to external monitor by Thunderbolt, using external SSD for boot, external hard drive via both USB. I use Bluetooth keyboard. Also, my Logitech M325C, first I plugged in USB unifying receiver, it was smooth but an hour or two later, it gets laggy. I usually use external USB cable and it works fine as well. What could cause it? How could I fix it?
iMac 27″, macOS 10.15
Could the battery be running out which is why it gets worse as the battery gets weaker?
That would explain why non-battery (i.e. wireless) devices work ok.
Could the battery be running out which is why it gets worse as the battery gets weaker?
That would explain why non-battery (i.e. wireless) devices work ok.
With my iMac, USB wireless mouse gets laggy for while. How do I fix it?
