All Questions
16
questions
0
votes
0
answers
82
views
Is it Windows or the battery?
my laptop has an 8 year old battery. my battery didn't charge and i froze it after freezing it, my battery charged again and lasted for 3 hour of normal use and like 2.5 hour of video and sound use. ...
user1218141
1
vote
0
answers
70
views
Effect of power outage on power supply connected to surge arrester and voltage regulator
I have a computer that connected to an automatic voltage regulator and an a surge arrester. The power supply unit is set to automatic power recovery so that when there's an outage, it will start the ...
- 119
2
votes
3
answers
2k
views
Having a rough estimate of energy consumption of the computer.
I'm developing an app which needs to know about the energy consumption on computers (On windows). I realized the OS has no functionalities to support this directly, so my workaround is collecting info ...
- 273
0
votes
0
answers
77
views
Make laptop turn on automatically
I have a laptop of IBM X41. I want to use it in a project in making in which it will be used as kiosk.
If power goes out and comes back I have to press the power button to turn the computer back on. ...
- 121
1
vote
4
answers
4k
views
PC restarts on power outtage despite having a UPS
Unfortunately where I live I do not have 24/7 electricity.
My new PC rig which is considered to be a high-end(gaming)
system is connected to a brand new APS/UPS that have these specs:
DC-AC ...
- 11
1
vote
1
answer
1k
views
Reduce power usage while computer is "off" [closed]
Recently I bought a device to measure the wattage from devices. To test the apparatus I measured 6 watts from an IKEA LED light bulb which was supposed to produce 6 watt usage and a few laptop ...
- 121
-1
votes
1
answer
656
views
What are the impact on underpowering my motherboard/graphic card?
I recently had to change my PSU and the one that was given to me has not enough power cables to fully plug every plug in the motherboard and the graphic card. It seems to work just fine though, and it'...
- 133
2
votes
2
answers
156
views
Do chargers consume power when plugged but not used? [closed]
Many people leave their chargers for mobile phones, laptops, devices of any kind plugged into the power socket but without the device they are supposed to charge, connected at the other end.
When ...
- 2,039
2
votes
1
answer
865
views
Is there an instrument or software that can measure the ACTUAL maximum power available to a USB port? [closed]
I use a non-self-powered USB modem device for a solutions I provide to multiple customers, and very often I encounter a problem in which the devices stops working due to many reasons, one of which I ...
- 261
1
vote
2
answers
4k
views
Is My PSU compatible with this UPS
I have this PSU and this UPS, however due to the PSU being/having an active PFC (power factor correction) it is incompatible with my UPS (at least according to APC tech support, for reference see my ...
- 5,533
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
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
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
1
vote
3
answers
3k
views
Do C13 male/female cables exist? Or do I even need them?
I am hoping to plug a few computers into this HP PDU soon.
I have aftermarket power supplies, all of which take c13 female connections apparently.
The PDU (from what I gather in the pdf) has 8 * c13 ...
- 1,066
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