It seems a silly question, but is the four-pin ATX 12V connector firmly seated (it's gotta "click").
Yes, I know you've probably checked, but I had to ask. PC Desktops If both sets work on one computer, but none of them work on the problem machine, then it's not the speakers that are at fault, but rather the computer you're plugging them into.
As you are getting a "No Audio Devices" message, and the spe ...
Computer Speakers I know this is an old post, but just in case others are having webcam problems with their a305d webcam...
Try putting a device like a USB based fan or mobile charger that just uses the outside 2 points.
If that does not work then some fuses are blown on usb bus.
Check all connections again, especially the lead from the power button to the mobo.HP shows your PC shipped with Windows 8.1 but you are running Windows 10 so the correct update is not available when using Windows 10.Don't know why HP does this as I don't work for HP.4) about Johny Depp: I'd buy a ticket to watch him reading from a phone book!5) My memory is a lot better but the other day I forgot the pin numbers to all my cards.6) No country is lilly white (and Kaczynski had his negatives, in my opinion outweighing his positives.)7) about harem pants: harem pants look like a a baby with a well loaded nappie;8) : This is a one-time comment and I will not be returning to debate the issue.