A power supply is an electronic device that supplies electric power to another device, such as a computer, monitor or printer. This is achieved by converting wall power (or mains power) to a lower voltage, and in most cases also from AC to DC. Most power supplies also provide protection from ...

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35 views

Constant beeping with new PSU, no video output

So, my friends computer is not producing video output. The monitor works, I've tried the CPU and RAM inside of my computer, so I know they work. On the initial build we forgot standoffs and the ...
0
votes
0answers
17 views

ASUS X501a does not start up(fan spins, HDD does not spin, black screen)

Repairing my friend's ASUS X501a laptop. After power up, it goes into a black screen. The fan spins a few seconds after powering up , but HDD refuses to spin. I have tried the following: Plugged a ...
2
votes
3answers
15k views

Laptop battery: is voltage really important to respect?

I got an Acer Aspire 5100 and I just bought a new battery (after the stock battery just died yesterday). But I saw something after buying and I'm wondering whether it's really important or not. My ...
1
vote
0answers
20 views

Two PC's, shared power grid, can this be reasonably done?

I've got quite a data headache. Motherboard A has partially failed. I replaced it with board B. Oops, board B won't play nice with the RAID card. Oops again, part of the backup of that RAID array ...
0
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2answers
29 views

Does this psu have enough power for this graphics card?

PSU: http://www.newegg.com/Product/Product.aspx?Item=N82E16817139049 GPU: http://www.newegg.com/Product/Product.aspx?Item=N82E16814125491 While looking over for the specs for the PSU, I noticed it ...
0
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1answer
14 views

Disconnection laptop/notebook power supply

I need to alter some settings in my BIOS and the process requires me to switch off my computer and disconnect my power source. ...
32
votes
3answers
3k views

Pulling the plug out for 10 seconds

When calling support the other day he told me to reset my DSL modem by pulling out the power, leave it out for 10 seconds, and then plug it back in. This is something I have heard many times with ...
0
votes
2answers
41 views

Troubleshooting PC power-on irregularity, narrowed down to ASUS VRM Spread Spectrum, why?

There are many resources online regarding the issue when the PC shutsdown a few seconds after pressing the power button. I have a variation of the problem which is reproducible under certain ...
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0answers
11 views

External USB powered hard drive

Is there any way I can connect my USB powered external hard drive and a power source to my Samsung tablet? The HD requires more power than the tablet provides. My Galaxy Note 3 powers and reads the HD ...
1
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1answer
35 views

External Hard Drive To Android Tablet and Power Supply

Is it possible via USB Y cable or any other means to connect a Samsung 10.1 30 pin to an external hard drive and at the same time, an external power supply to the Hard Drive. I have concluded getting ...
1
vote
1answer
86 views

Computer making beep sounds

i left the computer downloading with IDM and told it to shut down when the download is finished, when i came back i pressed the power button and i got 1 long beep and 2 short beeps then it keeps ...
8
votes
4answers
758 views

How can I tell how healthy my PSU is?

Simple enough question, I have a hunch that my PSU isn't powerful enough based on a couple of clues: One of my screens flickers, and I read on a couple of websites that this could be caused by the ...
0
votes
2answers
34 views

12 volt motherboard power connector

I'm having an issue using a motherboard I bought recently and a pre-existing power supply. I'm using a Gigabyte Z97X-Gaming 3 Intel Z97 (Socket 1150) DDR3 ATX Motherboard and a Corsair GS 600 as my ...
1
vote
1answer
54 views

Computer shuts down after a few minutes

So I spent all day yesterday trying to figure out what was wrong with my computer. The specs look something like this (before replacing the board): Z77 MSI M Power Samsung 840 Evo SSD 16gb Ram (2 ...
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votes
0answers
24 views

CPU turns off randomly [on hold]

For the last few days, I have been having a problem. My CPU turns off randomly. Mostly it goes off during start up, but sometimes I can work for 6-7 minutes before it just turns off. As if I had ...
20
votes
6answers
45k views

How to choose a UPS / calculate power for a new PC

Seven years ago a friend gave me a Liebert PowerSure 250 UPS and it has done well for whatever (home) PC and monitor I've plugged into it over the years. I've just ordered a new PC with the Intel core ...
0
votes
1answer
2k views

EVGA Geforce GTX 760 ACX Installation issues

I recently purchased a new Geforce gtx 760 from EVGA with ACX cooling, and I'm quite confused with the power supply. The card came with 2 PCI connectors, however one was a 6-pin and the other was an ...
2
votes
1answer
23 views

6-to-4 pin power adapter · Red wire connected on black wire?

I just bought an nVidia GeForce GTX 550 Ti, which requires a 6 pin power connector, which my PSU doesn't have. However, it came with a 6-to-4 pin adapter. But when I connected the 4 pin connectors, ...
0
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0answers
22 views

Getting constant APPCRASH on Kernelbase.dll

Specs: GIGABYTE GA-990FXA-UD3 AM3+ AMD 990FX + SB950 SATA 6Gb/s USB 3.0 ATX AMD Motherboard AMD FX-6350 Vishera 6-Core 3.9GHz Socket AM3+ 125W Desktop Processor FD6350FRHKBOX G.SKILL Sniper Series ...
0
votes
0answers
86 views

CPU, GPU fans spinning at full speed after shutdown

My computer has been running fine for 4 years, but yesterday it starts to exhibit odd behavior: After I shut down the computer, the CPU and GPU fans start spinning at full speed (everything else ...
1
vote
2answers
46 views

LED Case Lighting Installation

I just purchased the following LED Kit to use in my Corsair 760T case. What should I purchase in addition with what's included to have these LEDs work inside my case using a 1300W G2 PSU? The bundle ...
0
votes
1answer
20 views

SMPS with long connector cable

Hi I have a Cooler Master Elite 371 case which has a PSU on its bottom. Recently, I have purchased a MidRange GPU due to that SMPS connector for CPU (4-pin) and ATX 12V Power connector became short to ...
0
votes
1answer
2k views

Workaround for Dell “Power Supply Not Recognised” issue

So, I have a Dell Inspirion and the power supply port appears to be damaged. Basically when I plug it in I get a nice popup telling me that it couldn't detect that its a Dell power supply so it won't ...
0
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0answers
49 views

How to optimize battery lifespan of Lenovo Z510?

I just bought a Lenovo IdeaPad Z510 laptop, and before I boot it for the first time, I want to make sure to know the exact proper care to ensure the best optimization of the battery's (4 cell 48 ...
0
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0answers
23 views

Attaching SCSI drive through USB

I have a number of wide, 68-pin SCSI drives for which I need to copy the data off. I have tried to use a wide-to-narrow SCSI adapter (68-pin to 50-pin) coupled with an Adaptec SCSI-to-USB adapter ...
2
votes
5answers
876 views

Motherboard HDDPWR1 connector

I need help identifying the name of a connector. I have a Gateway DX4870-UB318 computer, I opened the case and wanted to attach another hard drive, but to my surprise one existing SATA hard drive was ...
1
vote
1answer
34 views

my laptop is not charging when switched on

I have an satellite l735-11f laptop and i have been facing a problem where the laptop battery does not charge even when power cable is plugged in. I have noticed though that i am able to charge my ...
1
vote
0answers
19 views

PSU making noises coinciding with bad gpu?

I recently experienced some strange behavior from my system and I wanted to get your opinions on what it could be. First off, dem specs: ASUS P5Q Pro Mobo PC Power and Cooling S75QB 750W Intel Core ...
3
votes
6answers
267 views

Gaming blew fuse and causes funny smell: how to overcome?

I've been gaming for a while now. When playing certain games this PC goes into overdrive. The fan starts to sound like a jet engine it get so busy. Also I have smelt a smell which smells like glue and ...
2
votes
2answers
38 views

Using differently rated adapter for router?

So a lightning strike seems to have blown my router adapter which had a 12v DC 2 amp output adapter. I am currently (no pun intended) using a spare adapter with 12v DC 1.2 amp output. This works ...
1
vote
2answers
61 views

PC Reboot When Stressed

My father bought a new rig last week. It's a HP Envy Phoenix with: GEFORCE GTX 780 3072MB (Think it had GTX 760 stock) Intel i7 4770 3.4 GHz 16GB of RAM ... When under heavy load the computer ...
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votes
3answers
76 views

Spare laptop power adapter input amps differ from OEM. Does it matter?

I purchased a spare power adapter for my ASUS Q500A laptop. When I received it, I checked the specs and found that they differ than the OEM adapter. The OEM input is 100-240V 50-60Hz 2.0A. The ...
9
votes
4answers
141 views

Is there any computer parts that can be trashed safely (for the environment)?

I have some (non working) computer parts that I want to get rid of. I'm pretty sure most of computer hardware can't be put in the trash safely but I want to know if some of them can. (At the moment ...
0
votes
1answer
55 views

Battery reports it's fine, but notebook won't boot /wo AC plugged in

I am running Acer Aspire Timeline Ultra M5-581TG. I opened it up to clean (as I've done twice before), assembled it back and now observe weird behaviour: the laptop won't react to the power button ...
4
votes
6answers
2k views

Why I Was Supplied With Power Supply Less Than Recommended?

Yesterday I was studying the BIOS of a DELL Latitude E6420 laptop and enabled notifications that check and warn if the power supply is not appropriate for laptop. Immediately I got this message: ...
2
votes
2answers
50 views

Dangers of using external power source with internal hard drive

Is it okay to connect a internal hard drive (IDE/SATA/SCSI) to an internal controller (e.g. on-board the motherboard) and supply the power via another power supply or an external unit like the one ...
0
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4answers
3k views

Should my HP Pavilion dv6000 operate w/o battery pack while using electrical plug-in? Mine won't

While using my computer, it shut down, and I cannot get it to turn back on. I have tried removing the battery to see if the computer would work without it, but it did not. The light is on where the ...
2
votes
2answers
2k views

DELL Inspiron N 5050 doesn't Power On until I Plug-in the Charger

I bought a Dell Inspiron N 5050 last week, and recently discovered a problem with my laptop. It doesn't Power On until and unless I Plug-in the charger. After I plug-in the charger, it boots up ...
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1answer
4k views

What does I.T.E stand for when it comes to power supplys?

I wish I could give you more but I have a AC adaptor which I am trying to find ( as it's ... erm kaput ) and it has only a I.T.E power supply number. I can't seem to find where this acronym comes ...
0
votes
2answers
320 views

Computer doesn't start at all

I have a desktop computer that won't start at all, I had it for years, and now suddenly when I press the power button I get no beeps, no fans spinning, no hard disk spinning. And the amazing thing ...
0
votes
2answers
43 views

Part Number for Motherboard ATX 24 Pin Male Header

The 24 pin ATX connector (male, housing) on my motherboard has been melted to the 24 pin connector from the PSU. I will be replacing the motherboard's 24 pin ATX connector myself, but am not able to ...
0
votes
2answers
50 views

Linux: disbale USB without disabling power

TLDR I want toggle between the following usages of a usb-port via the terminal: use like a normal usb-port only supply energy to charge Story I recently got me something like a magna doodle ...
0
votes
0answers
21 views

I've upgraded gpu and sound card and added SSD…is the antec vp650p v2 psu still ok?

I've recently upgraded my p8z77v-lx based intel 3.2k system with a new gtx770, soundblaster zxr and added a SSD. The system also has 2 SATA drives, 2x8gig RAM 1600 a PCI intel Ethernet card. Is the ...
0
votes
2answers
48 views

Computer does not boot, often

I've ran into a issue with my computer that it does no longer reach POST, but simply powers on for a fraction of a second and powers off. But this is not always, some times it boots just normally and ...
0
votes
3answers
58 views

Are SATA cables interchangeable?

I just bought a new Seasonic Power Supply Unit. It didn't come with enough SATA cables for my current setup, but I have some cables from previous power supplies (also Seasonics) that I've purchased. ...
1
vote
1answer
19 views

PC crashes randomly after BIOS-Reset

my PC crashes randomly since 3 weeks - just turns off, no shutdown. no warnings, no errors BlueScreenView doesn't show anything (0 errors) no sound-warning Event-ID: 6008 System was shut down ...
1
vote
2answers
68 views

Connecting mother board, power supply, and tower

I am working on putting together a desktop for the first time and and ran into a problem, I am not sure how to connect the fans that came in my tower, my power supply, and connect them all to the ...
0
votes
1answer
57 views

Toshiba Satellite C850 boot loop

I've got a Toshiba laptop acting strange on me. Any thoughts appreciated. C850-11C PSCC2E AMD E1-1200 APU Windows 8 UEFI Problem: Laptop cant restart. If i shut down the OS or restart, or it ...
2
votes
0answers
735 views

Random BSOD crashes when all RAM slots are occupied

Although I'm a long term user of other StackExchange sites this is my first question on SuperUser, so please let me know if I've neglected any community customs I am experiencing regular BSOD crashes ...
1
vote
2answers
918 views

Buzzing noise coming from inside my computer while playing games

I just finished building my PC like a week ago. I just noticed there is a faint buzzing noise while playing a game (the noise also comes out from my speakers). I tried to pinpoint the noise and turns ...