[SOLVED] Pc boots but no display and no power to usb

Greenmorpheus

Prominent
May 9, 2019
27
1
535
0
Hey guys. I buit a PC with my friend 6 mo ago. I have an ASRock B450 pro4 Mobo, EVGA 650 bq 80 plus PSU, EVGA GeForce rtx 2070, AMD ryzen 2700 cpu. Like I said I've had this PC for about 6 months now and it's been working fine. I got a bunch of peripherals attached. Gaming mouse and keyboard, an rgb strip along the inner case, USB speakers, a wireless charger, USB hub and wireless network adapter. One day I went to play on the PC and the display keyboard and mouse didn't light up. The fans inside were spinning and light up but no display. The system runs and doesn't shut down on its own. I got it to come on after hard shut down and booting back up. But now it's back to having no display. Any ideas?
 

Lutfij

Titan
Moderator
Maybe remove the CMOS battery(after powering down the system and unplugging from the wall) and replace it after 15 minutes and see if that helps. You should also see if you can source another PSU of a reliable brand, akin to the EVGA, and see if you get POST, display and remain in BIOS indefinitely.
 

Greenmorpheus

Prominent
May 9, 2019
27
1
535
0
Hey guys. I buit a PC with my friend 6 mo ago. I have an ASRock B450 pro4 Mobo, EVGA 650 bq 80 plus PSU, EVGA GeForce rtx 2070, AMD ryzen 2700 cpu. Like I said I've had this PC for about 6 months now and it's been working fine. I got a bunch of peripherals attached. Gaming mouse and keyboard, an rgb strip along the inner case, USB speakers, a wireless charger, USB hub and wireless network adapter. One day I went to play on the PC and the display keyboard and mouse didn't light up. The fans inside were spinning and light up but no display. The system runs and doesn't shut down on its own. I got it to come on after hard shut down and booting back up. But now it's back to having no display. Any ideas?
 

Lutfij

Titan
Moderator
Maybe remove the CMOS battery(after powering down the system and unplugging from the wall) and replace it after 15 minutes and see if that helps. You should also see if you can source another PSU of a reliable brand, akin to the EVGA, and see if you get POST, display and remain in BIOS indefinitely.
 

Greenmorpheus

Prominent
May 9, 2019
27
1
535
0
I just took it apart and cleaned everything with a quick dusting. took out the CMOS battery and it booted back up like normal. Is there any reason that this happens? If it happens again should I look to replace the battery?
 

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