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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 ...
user1524201's user avatar
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 ...
lousycoder's user avatar
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 ...
Woden's user avatar
  • 101
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 ...
šm98's user avatar
  • 1
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 ...
Alxs's user avatar
  • 115
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. ...
user avatar
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&...
Thufir's user avatar
  • 1,650
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 ...
Gerard de Jong's user avatar
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 ...
Adrian Machin's user avatar
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 ...
ethereal1m's user avatar
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?
Vinoth Gokul's user avatar
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 ...
tuskiomi's user avatar
  • 853
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. ...
user avatar
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 ...
ePezhman's user avatar
  • 273
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 ...
ZenVentzi's user avatar
  • 165
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 ...
Vikas's user avatar
  • 674
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. ...
Ido Ran's user avatar
  • 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 ...
Alex's user avatar
  • 11
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 ...
Michael T's user avatar
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 ...
InteressantPunt's user avatar
-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'...
Gil Sand's user avatar
  • 133
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 ...
Jesse's user avatar
  • 101
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 ...
Jim Raynor's user avatar
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 ...
Islam Ibrahim's user avatar
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 ...
Corporate Geek's user avatar
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 ...
Joshua Lim's user avatar
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 ...
IMB's user avatar
  • 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 ...
IMB's user avatar
  • 5,533
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 ...
IMB's user avatar
  • 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/...
IMB's user avatar
  • 5,533

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