- Jan 13, 2011
- 49
- 1
- 18,545
I've installed an Asus Prime B250M-A motherboard into an old case with a 450W power supply. I left in one optical and two hard drives. The PC was running well before under Windows 10, except for an occasional unexplained freeze (hence the refit).
I've added an Intel Pentium G4560 and the included fan (which is rather noisy) and attached the monitor, a mouse, and a keyboard that uses the USB power to light up its keys. Also a new stick of Corsair DDR4 memory (8GB).
When I turned the power on, the CPU and case fans spun, and the optical drive had power. However, neither hard drive started, nor did the keyboard light up. No signal was received by the monitor.
I've removed and reseated connections and tried without power to the hard drives, but still no action.
I've built a few systems in the past, but this is the first time I've had a problem like this.
What do you think is the most likely cause?
I've added an Intel Pentium G4560 and the included fan (which is rather noisy) and attached the monitor, a mouse, and a keyboard that uses the USB power to light up its keys. Also a new stick of Corsair DDR4 memory (8GB).
When I turned the power on, the CPU and case fans spun, and the optical drive had power. However, neither hard drive started, nor did the keyboard light up. No signal was received by the monitor.
I've removed and reseated connections and tried without power to the hard drives, but still no action.
I've built a few systems in the past, but this is the first time I've had a problem like this.
What do you think is the most likely cause?
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