Questions tagged [power]
Electrical power is essential to the operation of any computer and any of its components or peripherals.
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Can a PSU handle nanosecond power-outtages?
My GPU has recently died, and I got to wounder why. I have been having PC shutdowns and bluescreens over the last 5 years. I noticed at some point, that these often happen when someone turned on a ...
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Can a loosely connected PSU damage a laptop?
is it a bad thing that the cable connects to the power adapter block in a laptop power supply comes loose and is left alone while the laptop is under use (as shown in the picture)? I am worried it ...
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Possible faulty PSU?
I had power ran out on me on Sunday while the PC was on and since the the OS (Windows 10) kept losing power as soon as I put stress on it. Not shutting down, losing power and then rebooting. I looked ...
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Windows 10 how to get into sleep state quickly when there is suspended process
I use Process Hacker or PsSuspend to suspend process. When there is no suspended process, Windows get into sleep state completely only seconds after I clicked sleep from the power menu, but become ...
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Computer is frying all USB devices that are connected
My computer specs are as follows. The computer is almost 1 year old. It is custom built:
Motherboard: ASUS h510m-a
OS: Windows 11
PSU: EVGA 500BR
In the past hour, I have connected multiple mice and ...
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CPU speed drops to 0.48GHz afer plugging charger
I have a Lenovo Yoga 500-15ibd laptop that I recently bought (used). Everything in it seems to be fine but whenever I plugin the charger it slows down.
I looked at the task manager and I saw that as ...
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Looping "Power surge on USB port...more power" after accidentally trying to insert USB-C into USB-A slot
I accidentally tried to insert my YOGA power cord into the solitary USB slot: removed it right away but now cannot get rid of Windows Explorer notification "Power surge on the USB port. Unknown ...
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What do WiFi power saving modes (energy saving modes) on computers (esp laptops) really mean?
If you dive into power saving (energy saving) mode on most computers (and nearly all laptops), you'll see a variety of levels at which you can specify the amount of power savings for wireless adapters ...
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Windows 10: Only wake display with keyboard after PC power button press
I recently got a set of new monitors for my PC and it's a bit awkward to turn them off when I'm done with my PC for the day, and my screensaver/auto sleep doesn't always come on, due to background ...
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Is it possible to limit the current draw through the charger of an Asus laptop?
My laptop's charger broke, and I have been using a borrowed charger as a replacement while I wait for a warranty replacement. The original charger is 120W (20V, 6A) and the borrowed charger is 65W (19....
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BIOS setting to power on after power loss isn't working properly
What would make a PC to fail to automatically power on after power loss when it's configured to do it like that on the bios?
The PC works well otherwise and sometimes powers on automatically after the ...
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Can I use power cord from old psu to new psu of same brand(Corsair cx650m to Corsair HX 750)
I bought a new Corsair HX 750 psu recently and found out that the power cable that comes with the box has UK style 3 pin. But I have Indian style 3 pin connector to wall. Can I use the power cord from ...
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How do I find how much a battery pack can charge my device?
I have a Dell laptop with these battery specifications from HWID HWMONITOR
I want to buy a powerbank, and saw there are many 20k mAh/30k mAh batteries, as described by sellers. How can I check how ...
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Laptop battery calibration not working even after trying all the methods and bypasses win 10
The image shows how fast the battery is wearing out. but then when I checked today it gave me about normal battery backup.
The discharging stops at 5.5% then it stays on for about 3 more hours on ...
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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 ...
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