All Questions
Tagged with power motherboard
76
questions with no upvoted or accepted answers
3
votes
1
answer
285
views
Is my power supply dead?
I recently bought a new NZXT Phantom case and went ahead and moved all my components from the old case. It took a while to get some things in, and then to do a little bit of cable management (as much ...
- 31
2
votes
0
answers
2k
views
Do CMOS batteries drain faster depending on how long and often you use your PC?
I have recently been thinking about how the lifetime of CMOS batteries is related to the time percentage during which one's PC is up. Obviously, the amount of power consumed by CMOS boards is ...
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
2
votes
0
answers
243
views
Windows 10 sleeps fine from menu, won't sleep from timeout
I have a power meter on a Windows 10 box. If I sleep from the menu or the power button, it drops down to about 3 watts. If I wait for a timeout (set at two minutes) it blanks the screen but keeps ...
- 2,355
2
votes
0
answers
2k
views
Can a non spec conforming DisplayPort cable damage motherboard or graphics card?
I'm having some weird problems with my workstation, here are the relevant components:
PSU: Corsair AX860i
CPU: Intel Core i7 6700K
GPU: Asus STRIX GTX970
RAM: G.SKILL Ripjaws V DDR4 2x16GB (F4-...
- 231
2
votes
0
answers
2k
views
Computer Doesn't Always Turn on when Pressing Power Button
I have a desktop and my case's power button stopped working after a while. I reverted to using a small screw driver or paper clip to turn my computer on by touching the contacts on the motherboard ...
- 3,881
2
votes
0
answers
99
views
When I turn on my PC,why it spins for a second then restart automatically? (when I unplug and plug in back the power cable)
I have recently built a custom PC, it works (I think) very well other than the issue below. Since I just built it, I was still playing around with that (changing fan positions, adding new fans, etc.. )...
- 131
2
votes
0
answers
739
views
Won't boot after inserting new RAM sticks
I bought a new pair of 4GB RAM sticks today.
Thinking it'd be easy to install, I powered down, slapped them in and powered on. It wouldn't boot. The fans spin up, a couple of seconds pass then it ...
- 21
2
votes
1
answer
3k
views
Computer won't start/react while new gpu is plugged in
I just upgraded my computer and changed almost everything except for the case and psu (650W).
My parts:
ASUS ROG MAXIMUS VII HERO
Intel Core i7-4790K
Kingston SSDNow V300 240GB 2.5" OEM
Corsair ...
- 21
2
votes
1
answer
1k
views
Computer Randomly Crashes to Black Screen, sometimes fails to post
my computer started crashing to a completely black display where it would try and restart immediately. First it was happening during a game only and i thought it was some memory leak within the game ...
- 631
2
votes
1
answer
861
views
Resurrecting an old computer. Powers on, does not boot
I have an old Dell Optiplex GX1 that I want to revive. If I plug it in, the power comes on. However, the power switch has no effect (can't turn it on or off, have to unplug it to stop power). I ...
- 321
1
vote
1
answer
293
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
1
vote
0
answers
481
views
Desktop Computer not starting up after installation of Wireless Card
I'm walking my friend through installing a Wireless Card in his computer that I just built him, but for some reason it isn't booting.
I've tried unplugging, holding power button for 30 seconds, ...
- 11
1
vote
1
answer
197
views
Is it a dead motherboard, or not enough power? (2008 Intel Skulltrail D5400XS)
I'm hoping that someone has real-world experience starting up an Intel Skulltrail D5400XS system, with less than the Intel-recommended 1,000 watt power supply. And/or, real-world experience with ...
- 106
1
vote
0
answers
987
views
Motherboard not lighting up when PSU is switched on
I have an ASRock Fatal1ty Z370 Gaming K6 motherboard which is a quite recent board. While I was using my computer, everything shut down rapidly. At first, I thought it was a power blackout in the ...
- 121
1
vote
0
answers
240
views
Is it normal to get power supply surge when lightning cuts the electricity?
So I'm a bit worried because my previous MoBo (a Gigabyte) died and I just bought a new MoBo. This new MoBo is an Asus. Last monday (now we are friday) I've let my computer opened to be able to use it ...
- 212
1
vote
0
answers
1k
views
Endless loop when booting computer
This is a long time problem that recently became a real annoyance every single day.
When I press the power on button of my computer in the morning or after a few hours turned off, the power LED ...
user673006
1
vote
0
answers
113
views
no power after resseting cmos?
My computer wouldn't let my usb keyboard work on boot and i could not access BIOS. So, i did what i usually do and remove the battery from the mobo and put it back again.At first, it would turn on but ...
- 51
1
vote
0
answers
402
views
How to run an application in linux just before poweroff and after linux shutdowned itself
I have a embedded system that needs to be power off itself after shutdown. To power off, the Linux should send a command via an i2c to another device to power off the Linux board.
So to shutdown and ...
- 495
1
vote
2
answers
1k
views
Can I use two different PSU cables from the same brand?
I have an old rig and a new rig, the "old" one is using a previous generation AX850 (the ones with the gold writing on the side, not the red), and a new RM 850.
I want to add a second graphics card ...
- 111
1
vote
0
answers
217
views
New power supply won't start
I replaced my power supply with a new one. I connected all cable to the motherboard 24-pin and Molex, HDD and DVD power cable, then I started my PC and I used it for about one hour.
After I shut ...
- 256
1
vote
0
answers
169
views
Tracking a short
I was looking at a thread posted on earlier Laptop charger dying after plugging in?
talking about a power issue with a laptop or the charger. I have done some testing and concluded that the short is ...
- 11
0
votes
0
answers
23
views
Can I swap the power cables for the motherboard at the PSU socker?
The last time I built a PC was when the Pentium was the new hotness. However, I have decided to build my own instead of buying a new PC.
I'm a bit confused with this modular power supply cable ...
- 111
0
votes
0
answers
169
views
After unplugging my PC from the outlet, sometimes it won't boot for a long time
Before I go to sleep, I unplug my PC from the outlet, due to concerns about power spikes or something of the sort frying my computer. However, sometimes, when I wake up and plug it back into the ...
- 148
0
votes
0
answers
181
views
Accidentally plugged in USB-C hub cable into Laptop HDMI port. won't turn on
I have a Dell Inspiron 7506 2n1 (2021 model). I have a USB c hub cable that I accidentally plugged into my HDMI port. The USB c hub itself was connected to my monitor (not to an outlet). The laptop ...
- 1
0
votes
0
answers
102
views
CPU speed drops to 0.61/0.79GHz and remains there whenever I unplug the charger
My laptop is a dell latitude e6520
Windows 10 Pro 21H2
Intel Core i5-2520M CPU @ 2.50GHz processor
and a 12 GB RAM.
I recently changed it's motherboard and whenever the laptop's charger is unplugged, ...
- 101
0
votes
0
answers
141
views
Motherboard won’t turn on with front switch, but works when I short it manually with a screwdriver
I have a Asus TUF X570 (WiFi) board that I've been using for over a year without issue. I was adding a second m.2 SSD and suddenly could no longer power on using the front panel power switch. Removing ...
- 101
0
votes
1
answer
69
views
Dead? Motherboard
Ok, let's begin. A couple of weeks ago, My Lenovo Thinkpad X300 (2008) crapped out suddenly. I opened it up and inspected the components, nothing. Upon reopening I noticed that the DC jack was ...
- 1
0
votes
0
answers
320
views
ASUS motherboard delayed power on, is this normal?
My new ASUS Prime Z590-A motherboard has a delay when I press the chassis power on button.
After I press it, I see some leds light in the mobo, but then a 3-4 sec delay follows, not even the PSU (at ...
- 498
0
votes
1
answer
85
views
Any idea what is going on with the power button here? When the computer is on, sometimes the button restarts it. Sometimes it keeps it off
ny idea what is going on with the power button here?
I have made these two videos.. no need to watch them all start to finish..
https://www.youtube.com/watch?v=qcC84J5jCa0 (weirdpower) 5min
https://...
- 24.3k
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
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 ...
- 381
0
votes
1
answer
719
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
0
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
0
answers
38
views
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
views
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-...
0
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
views
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
0
votes
0
answers
479
views
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
views
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 ...
0
votes
0
answers
7k
views
Is the KTS lithium battery for my motherboard broken, or is it something else?
For the past few months, I have been having some problems with my PC that involve it not powering on when everything is connected as it should be, e.g. power cable plugged in, power supply switched on ...
- 17
0
votes
0
answers
255
views
ASUS laptop doesn't boot after disassembly
One day I mentioned that cooler doesn't work so I dismantled my laptop to check that nothing prevents him from spinning and connector is OK. I took off the case, DVDROM, HDD, RAM. After that I cleaned ...
0
votes
0
answers
208
views
My cpu won't turn on after some frequent power cut (load shedding)
My computer won't turn on in general, but if I give it some time, say I wait for 2-3 hours and then press the power button, it works fine.
It was running perfectly until there was some frequent load ...
0
votes
0
answers
50
views
New system build powers on, immediately power off
I have a home server I'm building that is immediately powering off after I turn it on. The motherboard is an Intel S2600CP4, I have installed two Xeon processors and 64 GB of RAM in 4 16GB DIMMs. The ...
- 1,433
0
votes
0
answers
75
views
My PC isn't turning on at all, only GPU LED is lit
I've had this custom build for 6 months and only today has this happened. I shut off the computer to go out and upon returning the computer will not power on at all when pressing the button.
The ...
- 507