Hello all,
I recently built a rig for my friend (~2 weeks ago) and it was going fine until today. I was told that none of his USB ports were working after a restart. I immediately asked him if he'd installed anything immediately before the issue started and while he thought he had installed the newest Nvidia driver, I later realized he had only downloaded the drivers.
Anyway, after quite a lot of troubleshooting I came to the conclusion that the problem must stem from the PSU because not only had the computer started itself twice without anything or anyone touching it since I first put the rig together (first when I was finishing building it and second tonight during troubleshooting) but also because once the computer launched into Windows from boot, or even after going through BIOS menu, all USB devices lost power. The strange thing to me is that randomly whenever I would reboot the computer, all of the USB devices would work perfectly fine but they would only work if they worked from boot, they wouldn't suddenly work.
The only other conclusion I could draw is that somehow the south bridge had been messed up somehow because I've read that SB problems can cause USB ports to lose power.
If I can't get something figured out here in the next few days I suppose I'll RMA the PSU and hope the new one doesn't go out.
Computer specs
CPU: FX 6300
CPU COOLER: Stock
OS: WIN10 PRO 64bit
MOBO: ASUS M5A97 AM3+
PSU: EVGA 500B
RAM: 8GB Corsair Vengeance
GPU: NVIDIA GTX 960 2G
CASE: NZXT M59
I recently built a rig for my friend (~2 weeks ago) and it was going fine until today. I was told that none of his USB ports were working after a restart. I immediately asked him if he'd installed anything immediately before the issue started and while he thought he had installed the newest Nvidia driver, I later realized he had only downloaded the drivers.
Anyway, after quite a lot of troubleshooting I came to the conclusion that the problem must stem from the PSU because not only had the computer started itself twice without anything or anyone touching it since I first put the rig together (first when I was finishing building it and second tonight during troubleshooting) but also because once the computer launched into Windows from boot, or even after going through BIOS menu, all USB devices lost power. The strange thing to me is that randomly whenever I would reboot the computer, all of the USB devices would work perfectly fine but they would only work if they worked from boot, they wouldn't suddenly work.
The only other conclusion I could draw is that somehow the south bridge had been messed up somehow because I've read that SB problems can cause USB ports to lose power.
If I can't get something figured out here in the next few days I suppose I'll RMA the PSU and hope the new one doesn't go out.
Computer specs
CPU: FX 6300
CPU COOLER: Stock
OS: WIN10 PRO 64bit
MOBO: ASUS M5A97 AM3+
PSU: EVGA 500B
RAM: 8GB Corsair Vengeance
GPU: NVIDIA GTX 960 2G
CASE: NZXT M59
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