Can I fix this, or do I need to buy a new computer?
Each of these problems occurs one at a time, while my Mac Mini is sleeping. When I go to wake it up, either the keyboard won't work, or the mouse, or the external hard drive, or the monitor. Everything else works fine, and the offending device reappears as soon as I have disconnected its cable and reconnected it. It doesn't matter whether I use a hub or connect directly to the USB ports on the back of my Mac.
Sometimes when I go to wake up my Mac Mini, I get a "Disk Not Ejected Properly" alert for the external hard drive that my user directories live on, and the computer can't see that drive. All cable connections appear good and tight. If I unplug the USB cable from the hard drive and plug it in again, the computer is then able to see the hard drive just fine. This hard drive is not connected through a hub; it is connected directly to a USB port on the back of my Mac Mini.
More frequently, when I go to wake up my Mac in the morning, the hard drive is fine, but I can't wake the computer up because it can't detect the motion of my mouse. Unplugging the mouse for a second and plugging it back in makes it work again. At first I blamed my hub, but this continues to happen now that I've plugged it directly into a port on the back of my Mac Mini. Replacing the mouse didn't help.
On some other occasions, both the hard drive and the mouse are fine, but the keyboard isn't communicating. I try to type in my password, but nothing happens. Unplugging its USB cable from the Mac and immediately reconnecting to the Mac solves the problem. Until the next time.
Occasionally, my Samsung monitor, which I have connected from the Thunderbolt port on the Mac to the DisplayPort on the monitor (this gives better resolution than the HDMI port), fails to show what the computer is doing, when I go to wake it up. It's on, but it has no input. Of course the first time or two this happened, I thought my computer was dying, but I can connect to it from another Mac in the household, and everything's perfectly fine. I've solved this one only by restarting the computer. I guess I should try unplugging the monitor next time.
Boring details: Mac Mini (Late 2012), purchased 2014; recently upgraded to High Sierra but the problem predates the upgrade; USB 3.0 Seagate hard drive; USB 2.0 Macally wired keyboard and wired Verbatim mouse.
One or another of these problems occurs about once every three days. Other times, everything's fine. Is there any way to solve this? |
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