All Questions
Tagged with power motherboard
76
questions with no upvoted or accepted answers
0
votes
1
answer
714
views
Can't start desktop PC unless motherboard is plugged in to PSU with PSU on
A weird issue appeared on my desktop computer. After a few reboots via reset button in a row (was fiddling with bootable USB stick etc), PC refused to boot. Thought it was the PSU, but no. Then after ...
- 101
0
votes
1
answer
1k
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Computer doesn't turn on when pressing the power button
It's not that it doesn't boot, but that the computer simply doesn't turn on. Absolutely nothing happens when I press the power button. Strangely enough, at some point it does turn on. This time it ...
- 381
0
votes
1
answer
719
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Trying to better understand how motherboard USB 2.0 and USB 3.1 Gen1 ports max combined APS is calculated
So, I've searched dozens of similar questions on SuperUser and they all seem to focus on MAX power output on a USB PORT and do not mention anything about the total max a motherboard will be able to ...
- 294
0
votes
1
answer
2k
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Why does my mouse and keyboard backlight flash even though my computer is switched off?
Both my mouse and keyboard are backlit.
Normally the backlight is on when the peripherals are connected to a powered on computer and off when the peripherals are disconnected or are connected to a ...
- 1,003
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votes
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answers
54
views
Two power supplies meter the same, computer turns on with one but not the other
I'm trying to diagnose an apparently random sudden power-off problem on a desktop, so I swapped out components until the power supply and mother board were the remaining suspects.
I removed power ...
- 113
0
votes
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answers
38
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Laptop will not power on normally if shutdown but can restart
I have an issue with my Asus laptop, I am able to restart the laptop, however, when I completely shutdown the laptop it is unable to turn on.
I have:
Re-seated the battery
Taken the battery out and ...
- 1
0
votes
1
answer
1k
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My motherboard has a 4 pin connector, but my motherboard has a 24-pin power connector. Is there anyway I can connect it to the motherboard?
So I have a pre-built HP Prodesk pc, and I wanted to upgrade it, but it required me to get a bigger wattage PSU, so I went for this - https://www.ebuyer.com/856008-thermaltake-litepower-450w-psu-ps-...
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votes
0
answers
703
views
Interpreting and diagnosing cause of server board "power good dropout error" -- no POST
Motherboard: Intel S5520UR (manual). (Server chassis: SR2625URBRPR, but mostly irrelevant to this issue.)
I was being stupid earlier when trying to solve a problem with the backplane of the server ...
- 438
0
votes
1
answer
1k
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Dell Optiplex 790 - Won't power on
I have two Optiplex 790 SFF systems, both out of warranty.
One system displays the yellow flashing power LED and does not power on when the button is pressed, which I know is due to a PSU failure and ...
- 461
0
votes
1
answer
331
views
Why would an IBM netvista suddenly fail to turn on?
I have an old Pentium IBM Netvista desktop PC with I believe an ATX power supply. For reference, the cable going into the motherboard from the power is 10 pins long by 2 wide and the info on the power ...
0
votes
2
answers
902
views
Power button working scarcely
My PC has problem starting. By starting, I mean turning power on.
Case: "CM Storm Trooper".
MB: Asus Maximums VIII Extreme
Bought in 2015.
I started months ago, I needed to press the power button ...
- 243
0
votes
0
answers
92
views
Is it okay if the Power LED to flash once while switching on UPS?
My CPUs front panel power LED is flashing once after I powered on the UPS.
A 'TUCK' sound is also coming from my speakers.
Is that normal or is there any issue with my motherboard?
- 143
0
votes
0
answers
212
views
ASUS Motherboard has a power switch issue
I had a USB overcurrent issue and in the process of unplugging that I unplugged the he adapter for the turn on switch, since it was a usb in the front near the power button. I plugged that power back ...
Noah M
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votes
0
answers
479
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Supermicro C7Q67 or PSU alarm sounds when boot attempted with AMD Firepro S9000 GPU
I have a Supermicro C7Q67 motherboard that I had working as a Windows Server 2016 RDS machine. It was a simple set up and I was only planning on using 1-2 VM clients with RDS, but I had been using it ...
- 215
0
votes
0
answers
29
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Desktop does not power on, replacing power supply and mother board did not change anything
We fried a desktop PC when trying to connect the power supply to a PCI device using a makeshift cable (please don't judge me) because the the power supply didn't have enough pins. Apperently we did ...
