All Questions
Tagged with power-management power-supply
48
questions
238
votes
6
answers
208k
views
Should laptops remain plugged in when their battery is 100% charged?
When your laptop's battery is 100% charged, should you leave it plugged in so any battery power doesn't get used, or will that cause overcharging, overheating, etc.? Should the laptop be unplugged ...
- 4,220
59
votes
5
answers
107k
views
How do you check how much power a USB port can deliver?
Some laptops have a special USB port that can deliver more power than the other ones. However it is not always easy to identify which one is the good one, nor how much power it can deliver.
So is ...
- 6,334
10
votes
4
answers
11k
views
Does my 1000 watt 80gold+ (90% efficient) PSU pull 1111 watts, 1000 watts, or 900 watts from my wall receptacle at 100% load?
Does my 1000 watt 80gold+ (90% efficient) PSU pull 1111 watts, 1000 watts, or 900 watts from my wall receptacle at 100% load?
When I plug my 200 watt video card into one of the PCIe power connectors.....
- 1,066
8
votes
7
answers
21k
views
How do I lower power consumption of my computer
My electricity bills are high and my Dad keeps shouting me for that (I use my computer over 20 hours per day). Below are the few things I am curious to know;
How do I lower my Computer Power ...
- 7,696
7
votes
2
answers
85k
views
How many watts do case fans generally use?
I'm deciding between a 500 watt PSU and a 600 watt PSU.
I currently have a 460 watt PSU that powers everything but my dvd drive, spare hard drive, and 2 fans.
I've determined 40 watts is enough to ...
- 639
7
votes
1
answer
7k
views
Internal UPS for desktop computers? [closed]
I was wondering, are there internal UPS'es available for desktop computers?
Every laptop has something like a UPS in it: The battery pack. Desktop computers don't consume that much power, it should ...
- 2,881
6
votes
4
answers
56k
views
Does a UPS charge it's battery even if my computer is turned on?
I bought a new UPS and the manual says something like
The UPS must charge for 24 hours before it can work properly...
My question is, does it charge even if my computer is turned-on or should I ...
- 5,533
6
votes
2
answers
917
views
Reduce power use on computer
I watch a lot of movie's on my computer which is connected to my TV. Problem is i built the pc to be a gaming computer and it has the power supply to match (1200w).
Is there a way to set it into a "...
- 7,042
6
votes
4
answers
3k
views
Will unplugging my computer/entertainment center every night cause damage?
All squirreled away within a nice little cabinet are the following components of my entertainment center:
Pentium-4 based (vintage ~2002) PC
Samsung 32" LCD HDTV
Netgear Ethernet hub
XBox 360
Wii
A ...
- 1,584
4
votes
2
answers
3k
views
Is a laptop damaged by always keeping it plugged in?
If I keep the power cord plugged in all of the time, will it damage my laptop?
- 41
4
votes
1
answer
1k
views
Do Any PDUs/Power Strips That Plug Into A 14-30 Receptacle Even Exist?
I am hoping to turn my laundry room into a mini data-center.
My dryer takes a 4 pronged, 120/240v NEMA 14-30 receptacle.
Most all PDUs seem to have NEMA L6-30 plugs (3 prongs, twist lock).
...
- 1,066
4
votes
2
answers
2k
views
Will a 300W UPS work fine if my PSU is 500W?
I am getting a UPS (Uninterrupted Power Supply), currently here are my options:
http://www.apc.com/products/resource/include/techspec_index.cfm?base_sku=BE500R-PH
https://www.apc.com/resource/include/...
- 5,533
3
votes
7
answers
252
views
Likely reason for not being able to power on an older computer?
I demoted my older desktop computer to a server a short while back and it has always had some sort of problem with powering on after a complete power loss.
For instance, right now it's powered on and ...
- 3,716
3
votes
3
answers
6k
views
Computer hangs due to underpowered UPS?
I just bought a new UPS. Now since I started using it I experienced at least 3 random freeze in Windows 7 and it happens during the first 10 minutes of start-up. Note when I say freeze, I mean I ...
- 5,533
3
votes
5
answers
3k
views
Does a cable internet connection remain active during a loss of power in the apartment building?
I live in an apartment building in Czech Republic, Europe. I have a cable internet connection with a static IP connected to an Ubuntu server I set up. Recently out building lost power, though the ...
- 613