The computer does not connect to the keyboard, mouse, monitor. The power button is not lit. When I turn PC on, only power supply looks like working. The CPU fan doesn't work and the CPU LED on the motherboard is lit. I've reset the BIOS, relocated the RAM, to no avail. Yesterday everything was...

At the beginning, I suggest to test using a 100% working power supply.

@rainboomdashie Hi Could you give us more details about Your PC? target=_blank class=postlink inline title= > wrote: When I turn Pc on, only power supply looks like working

Do You have speaker connected to the mainboard? If not - it may be worth to connect it - it may output a beep error code.

one of the LEDs is on all the time. ? - CPU, DRAM, VGA, BOOT

CPU Red Light & Fan Issue: Intel Core i5-9600KF, GIGABYTE Z390 UD - No Keyboard/Monitor Connection

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#1 20544801 18 Apr 2023 00:23

rainboomdashie rainboomdashie

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Post #1
20544801 18 Apr 2023 00:23

The computer does not connect to the keyboard, mouse, monitor. The power button is not lit. When I turn PC on, only power supply looks like working. The CPU fan doesn't work and the CPU LED on the motherboard is lit. I've reset the BIOS, relocated the RAM, to no avail. Yesterday everything was fine. What could be the reason?
I have Intel Core i5-9600KF and the motherboard GIGABYTE Z390 UD.
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#2 20552481 23 Apr 2023 19:05

michald michald

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20552481 23 Apr 2023 19:05

At the beginning, I suggest to test using a 100% working power supply.
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#3 20552505 23 Apr 2023 19:18

swiercm swiercm

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20552505 23 Apr 2023 19:18

@rainboomdashie Hi

Could you give us more details about Your PC?
https://www.elektroda.pl/rtvforum/topic2996917.html[quote:ad822495ae="rainboomdashie"> target="_blank" class="postlink inline" title="" >https://www.elektroda.pl/rtvforum/topic2996917.html[quote:ad822495ae="rainboomdashie wrote:
When I turn Pc on, only power supply looks like working
https://www.elektroda.pl/rtvforum/topic3087862.html
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#4 20552636 23 Apr 2023 20:47

dt1 dt1

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Post #4
20552636 23 Apr 2023 20:47

Do You have speaker connected to the mainboard?
If not - it may be worth to connect it - it may output a beep error code.
#5 20552662 23 Apr 2023 21:03

lisek lisek

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20552662 23 Apr 2023 21:03

one of the LEDs is on all the time. ?
- CPU, DRAM, VGA, BOOT
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CPU Red Light & Fan Issue: Intel Core i5-9600KF, GIGABYTE Z390 UD - No Keyboard/Monitor Connection

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