I would be grateful for any help and advice on the following problem.
I am having a problem with the USB connections on my motherboard.
All purchased in 2015 and self-built.
Motherboard – Asus X99-E WS
CPU Xeon E5
GPU Asus GTX 980
PSU Corsair – AX860i
USB top & front of case
2 USB 3 and 2USB 2 USB 3 work intermittently – socket one may work and socket two does, other time it is the other way round, sometimes neither socket work, sometimes both of them work.
The USB 2 do not suffer the same problem
Motherboard – Rear USB connections
I have a USB 4 block extension plugged into a rear socket.
Works intermittently i.e. plug something in does not work put it into another of sockets and does. Next time that socket does not work but the others do. It is not the same socket that does not work it is completely random.
Recently I acquired a USB Memory Stick that lights up as soon as it is put into a live socket – then flashes when being used. I note that this lights up when inserted into any of the sockets regardless if it then goes on to work or not.
Audio – I do not have a sound card.
About 2 months ago
My audio is via a USB connection to one of the socket at the rear of the motherboard to an amplifier. Recently this has not always worked. Plug the USB into another connection and it does work. This can be the connection I took it out of the last time it stopped working.
Wireless combined Mouse and Keyboard these are about 5 years old.
Both behave as if they need new batteries even with new batteries inserted.
Keyboard, occasionally not working when using keys to play games.
When typing try another key and it works go back to the key not working starts to work.
Mouse does not always show where the cursor is, but if the keyboard is used it will work as instructed, in the place the cursor hopefully was placed, but not showing up.
Each one could be explained away on its own, but it is my feeling it is not the different pieces of equipment that are at fault but a USB problem as this represent a common link.
The other common link is that for the most part (but not exclusively) these problems arise after the computer has been on for 4 / 6 hours or more.
I have a NZXT Sentry LEX fan controller and the temperatures within the computer according to this never go above 35 degrees C – and that is never for very long it usually gives a reading of between 25 and 30c with an average of 28.5c
I do wish to reiterate that
1) These problems are intermittent and do not occur every day but frequently enough to seek help
2) The USB slots – the problem can arise with any of them and not just specific ones. It does appear to be the USB 3 slots.
3) Just because a slot does not work on a specific day or time it does not mean it will not work later in the day or the next day
4) These problems do not start on start up, but after the computer has been on for some time. The problem can arise either so that you cannot use the item or whilst using the item. It is very random.
My question / concern.
Is this isolated to a USB motherboard problem or is it symptomatic of something bigger?
Thank you for your help in this matter.