All Questions
Tagged with power motherboard
173
questions
2
votes
1
answer
9k
views
PC building: Do you have to plug in the 4-pin CPU connector?
My motherboard has a single 4-pin power connector next to the CPU. My power supply has a 8-pin CPU power connector but not a 4 pin one. Instead of going out and buying a 8-to-4 pin CPU power adapter ...
- 131
0
votes
1
answer
712
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
views
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 ...
- 371
0
votes
1
answer
459
views
Adding a power button to laptop for using as SBC
My laptop power button is included with the keyboard. And when I remove the keyboard from the keyboard port of motherboard, there is no way to start the laptop.
The reason I want to remove keyboard is:...
- 219
2
votes
0
answers
1k
views
Toshiba laptop turns on then off after 5-10 seconds, with or without AC charger or battery connected
My relative has a Toshiba Satellite C50-A-19T laptop with an Intel Celeron 1005M. She left it for a bit to do some work, with the laptop just sitting there with Chrome open. Then, Windows decided to ...
- 135
1
vote
1
answer
57
views
Surge protector behaving strangely
I just bought this surge protector which has the master/slave function, so that it disables some plugs (2 monitors and 2 speakers) when I turn off my PC. Everything is working fine except for one ...
0
votes
1
answer
704
views
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
views
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
0
votes
1
answer
1k
views
Computer turns on and then off after a few seconds when front panel is connected, but works normally without it
My computer is almost 3 years old by now, and last night I noticed it turning on and off randomly for a few seconds, multiple times. I tried to turn it on to investigate, but it didn't react to the ...
- 125
1
vote
1
answer
8k
views
PC Turn on when connected to power without pressing power button
I need some help with my strange behavior of my new PC.
My setup is
AMD Ryzen 5 3500X
MSI B450-A Pro MAX
Colorful igame gtx 1660 super
Klevv bolt-X 2x8 GB
PSU be quiet system power 9 500W
The problem ...
0
votes
2
answers
6k
views
Computer won't start when plugging in sata power cable to power supply
I just bought a hard drive for my PC and connected it to the motherboard and psu. Once I started the computer it refuses to start, I removed the sata power cable and the sata cable, and the pc started ...
- 3
-2
votes
2
answers
8k
views
What power cable to use for motherboard 24 pin or 8 pin where I have both?
I have motherboard ASrock H470 with both 24 pins and 8 pins slots for power.
I have power unit which has both 24 pin and 8 pins cables.
Do I have to connect both cables?
1
vote
1
answer
8k
views
Why don't the cables from the power supply (CPU1-P4 and CPU2-P8) to the motherboard (ATX_12v_2x2 and ATX_12v_2x4) fit?
Putting together the first PC. I can't figure out how to connect the processor (intel Core i7 10700) from the power supply (be quiet! Pure Power 11 700W) on the Gigabyte Z490 AORUS ELITE AC ...
user1231310
0
votes
1
answer
1k
views
Can too high of a wattage on a (cheap) power supply cause a GPU to burn?
My friend had a very small, ignited fire near where their PSU meets their graphics card last night. He thought it was from cooking bacon, until nothing could turn the fire alarms off. In the server ...
- 101
1
vote
1
answer
292
views
Self-build pc won't get power
I'm trying to build a pc with only brand new bought components. After following everything by the guide of the motherboard, the pc won't turn on (pushing the button does nothing, not even a fan is ...
- 11