All Questions
Tagged with power-management power-supply
48
questions
0
votes
0
answers
51
views
Computer turns off randomly
Desktop, custom built PC, Intel i7 UEFI, 1 NVM 1 HDD 4 SSD. Computer turns itself off randomly, a few seconds later turns back on. Replaced power cable, checked internal cabling, disconnected HDD, 2 ...
0
votes
2
answers
1k
views
Continuous power consumption of laptop's power brick when in plugged in, not charging mode?
Modern laptops come with the facility of being used in a plugged in mode only, without overcharging the battery. So, in such a case, the power consumption through the adapter should vary according to ...
0
votes
0
answers
2k
views
Power consumption: laptop in sleep mode
I found out there's a post calculating the power consumption cost, which tested on a PC. However, I haven't found any data that is related to laptops, or any software to test the power consumption. If ...
0
votes
0
answers
386
views
UPS turns itself on
So, I shut down my computer, turned off UPS and turned the extension cord (UPS is connected there) off. After an hour, UPS turned on and started beeping. It has happened to me two times before, but ...
1
vote
1
answer
938
views
CAD workstation draws ~200 WATTS but constantly crashes with a 750 WATT PSU. It is stable with a 1000 WATT PSU. Why?
I have a CAD rendering workstation that barely ever draws more than 200 WATT (and then only when under extreme CPU load from doing multiple simultaneous CAD renders), but it frequently crashes when ...
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. ...
0
votes
0
answers
94
views
low voltage POST only means battery problems?
No doubt the watch battery on the motherboard long since lost its juice.
However, I'm not quite sure what error I saw on boot, I think it was before POST and I think it mentioned "low voltage&...
3
votes
0
answers
835
views
iMac G4 won’t turn on
I’m attempting to repair and old 2003 17” iMac G4 that won’t power on. It’s completely dead, no startup sound, fans don’t spin, nothing. I’ve tried the following so far:
Attempted PMU reset using the ...
1
vote
1
answer
49
views
How to safely turn off USB-connected, ATX PSU powered 3.5" hard disk drives built as internal?
I have a bunch of internal, 3.5" HDDs which I connect them to my laptop using an adaptor which converts SATA/IDE to USB 2.0. I can choose the "Safely remove storage" option in Windows 10 and it ...
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 ...
0
votes
1
answer
233
views
How to run a Windows application when the laptop power cable disconnected or AC power Failure
We have a laptop that online for 24/7
in-case of power failure need to run a batch file or program
like below
How to run a Windows application when the ethernet cable is connected?
0
votes
0
answers
92
views
Modify computer case to fit entrails?
I've got a hardware question today.
My PC is currently at a state where it has too many parts outside the case for Its own good. You can see below that some of the external parts, which include power ...
1
vote
1
answer
94
views
PSU requiring often cable change
I seem to be having a strange issue with my PSU that I use for my computer.
Long story short, I built my own computer about 1-2 months ago, and was having no trouble with it for about the first month.
...
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 ...
1
vote
1
answer
1k
views
Is there a way to "hack" the power options in Windows 10, e.g. change from to 100% instead of 60?
In this link is said
There is nothing that a user needs to do manually, to maximize battery health on these batteries. For this reason, we don't provide any utility to manually manage battery ...
1
vote
1
answer
1k
views
How can I make my laptop hibernate/sleep when the charger is removed?
My laptop doesn't have battery. I'm using it with direct power supply. So the problem is that whenever the electricity goes off or when the charger is unplugged, my laptop shuts down and my work is ...
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. ...
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 ...
1
vote
0
answers
825
views
Computer crashing when I play games
Specs:
Intel Core i7-3930k
Corsair H70 CPU Water Cooler
16Gb DDR3 G.Skill 4x4Gb 1600Mh
120Gb Intel 520 Series SSD
2Tb WD Caviar Green WD20EARX SATA 6Gb/s 64mb Cache SATA3
AMD Radeon R9 ...
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 ...
-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'...
0
votes
1
answer
193
views
Poweredge 2500 6C822 PDM Board Pinouts?
Okay, here's a strange one: I am trying to use an old Poweredge 2500 chassis to house a newer ATX-type motherboard.
What I need to know is this:
What are the pinouts for the 6C822 Power ...
3
votes
2
answers
39k
views
Can a faulty battery cause my laptop to shutdown even on AC line? (battery installed AND plugged in together)
Until recently, I experience something rather annoying (and troublesome) with my laptop. It spontaneously shuts down itself without any warning, it restarts. No blue screen, no hanging program, just ...
0
votes
1
answer
1k
views
PC won't boot after unplugging power until doing several re-pluggings
After shutting down my PC, I usually unplug the main power cable, but the next time it's plugged my PC won't boot until I unplug and replug it several times (twice or more).
Does this happen to be a ...
2
votes
2
answers
158
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
votes
1
answer
866
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 ...
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 ...
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 ...
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 ...
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/...