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Electrical power is essential to the operation of any computer and any of its components or peripherals.

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pc won't wake up from sleep mode - power button wont work

I got new AMD Ryzen 2700 and Asus TUF-X470 mobo. I swapped windows HD from my old system i7. Windows works fine however when I try to use sleep mode it goes to sleep permanently. Only resetting CMOS ...
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3answers
164 views

What is killing my power adapters? [on hold]

Hardware I have two Acer S230HL's and an ASUS PG278Q (hooked up to a custom PC build). Background 3 months ago on an exceptionally hot day, the power to the house flickered off and immediately back ...
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1answer
47 views

Laptop won't boot and charger won't work

Last night when I went to shut down my laptop, only the "install updates then shutdown" option was available and the usual "shut down" option wasn't there. I decided to just go ahead and choose it, ...
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17 views

How to disable a virtualbox nic when not in use to stop it sucking power?

I'm using powertop to see what's eating battery. A massive chunk is apparently going on nic:vboxnet0 which I do need when I fire up my VMs, but when they're not in action, I don't need to be spending ...
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27 views

Determine whether charger, laptop, or battery is broken

Laptop will not charge. What's happened up to this point: Battery stopped being detected by the computer. Charger was still working at this point; I could use the computer without the battery if it's ...
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0answers
16 views

What could cause the power switch to not turn on my PC and then later work?

There was a recent power outage (I'm not sure of the nature of the outage) that turned off my PC. I reset my power strip and PC power supply, pressed the power button, but the computer did not turn ...
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1answer
61 views

Supply extra power to laptop's SATA drive?

I'd like to convert my laptop into a media center. I have an 8TiB HDD that I could plug into it using a SATA extension cable, but I expect that laptop won't have enough power to keep it up. Is there a ...
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31 views

Powerline DHP-P308AV - Not working?

A storm tripped our breaker five times last night and caused one of the adapters to not 'power on'. The problem is that the power is in fact working, and the device is actually getting power from the ...
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3answers
363 views

Why does my macbook give a slight tingling sensation when it is charging and what could i,we or Apple do about it? [duplicate]

I have been facing this problem since the time of purchase. I think the shocks go away once it's fully charged. I experience shocks regardless of whether I sit directly on the tiled floor at my ...
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2answers
93 views

Can you use USB-C in parallel to provide more power?

I am currently looking at eGPUs for my laptop (HP Spectre x360 15"). Because the standard power brick is rated for 150W, the USB-C standard would only provide 2/3 of the required power, so even an ...
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1answer
64 views

Can non IP data formats over cat5 / 6 (eg. RS232 etc..) damage an IP switch?

Can various data formats can be run over a cat5 / 6 cable with RJ45 ends. These can include (not an exhaustive list) HDbaseT RS232 / RS485 (using an RJ45 to serial adaptor on the end) POE Cat6 (...
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36 views

PC will not turn on

this is a weird issue I have been having with my desktop PC. I live in an area where there are a lot of power outages(at least one per day), hence I use an UPS with my PC. Recently my PC won't turn on ...
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0answers
120 views

USB mouse&keyboard not waking PC from sleep despite Power Management settings

I have a Lenovo Thinkpad T580 running Windows 10, and I use it with USB-connected keyboard and mouse. I normally shut it down only by putting on Sleep mode, and would like to be able to wake it from ...
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0answers
107 views

Dell Inspiron 15 7559, DC Jack Broke a Week after Replacement

I've had a Dell Inspiron 15 7559 for around 2 years now. These laptops have a known issue where the housing starts to break apart around the DC jack (see here for example: https://www.amazon.com/gp/...
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1answer
20 views

Can i use a Lenovo power adapter with a groundless cord? Should I?

My Lenovo PSU has a C6 power cord inlet: I tried plugging in a C7 power cord but it doesn't fit: Should I assume that it was done on purpose because using a groundless power cord would be unsafe and/...

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