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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4answers
86 views

Can a 65W adapter slowing my 95W dell laptop? [duplicate]

My highly configured Dell Latitude E6410 laptop has become extremely slow, even for browsing or multitasking for the past 14 months. I thought it was because of Windows, so I tried fresh installations ...
1
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0answers
34 views

Power laptop battery without internal power circuit

I have two identical laptops and one of them is broken. I expect it has something to do with the charging circuit. The laptop works fine when it is provided with a full battery. But it doesn't receive ...
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2answers
59 views

What do amps mean?

I have a laptop that is 110v-240v with 6.32a. I am going out of the country and can only find adapters that say 100v-250v with a 2.5a max. What impact will this have on running my computer? Or is ...
1
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0answers
36 views

Computer starts for a second but then turns off

Yesterday I got a new motherboard as one of the RAM slots was not working. After I put the new motherboard in--keeping all my old components--the computer would start for a couple seconds and then ...
2
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0answers
52 views

No POST on new built desktop

I just finished building a desktop again and it will not perform a successful POST. No beeps or video either. Since my goal is a successful POST, i removed all irrelevant hardware already and am only ...
5
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2answers
345 views

Electric shocks from tip of laptop charger and laptop case - how to safely test if it's a bad charger or a bad outlet?

I've recently started consistently getting electric shocks from either touching the tip of my laptop charger while it's plugged in, or from touching the metal rim of the laptop while it's charging. ...
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1answer
31 views

Wireless Adapter Turning Off Second Monitor

I am having issues with my wireless adapter and my second monitor. When I enable the wireless adapter, my second monitor decides to turn off (no display, it is still powered) or just flicker on and ...
0
votes
1answer
95 views

Is 600W power supply enough for HD 7970 and GTX 970 (working at the same time)?

I have 600W power supply (OCZ Stealthxstream 2 600W) in my pc. I use currently Asus Radeon HD 7970 graphics card but would like to buy second card (GTX 970) and use both cards at the same time at full ...
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0answers
34 views

Is it possible to emulate old non-atx power supply in VirtualBox

I want to emulate old non-atx power supply in VirtualBox or other similar virtual PC emulators. Is it possible?
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2answers
59 views

Troubleshooting Random Reboots: Can I rule out my PSU and RAM?

I have a 2-month old Ubuntu build (described at the bottom of the post) that has started to reboot itself within an hour of powering on. It was stable and gave me no issues until these reboots started ...
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0answers
45 views

Let's have fun: my computer is randomly rebooting even in BIOS setup. “Kernel Power 41”

My system keeps rebooting randomly. It rebooted during boot, at BIOS setup, playing or browsing the web. At the system's logs I've noticed a Kernel-Power entry log at every time the system failed. It'...
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2answers
48 views

CPU Still Powercycles after swapping PSU > Reset BIOS > SSD won't boot but LIVE USB does

Running an Asus Z87-A and a Samsung 840 SSD (I disconnected the GPU and extraneous HDD). A few weeks ago I got a warning that the Mobo had detected surges (Computer is plugged into a APC UPS). I come ...
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2answers
404 views

No POST screen, No beeps and No display

I have very old motherboard , CPU , power supply. Motherboard : Gigabyte G31M-ES2C CPU : Intel Pentium Dual Core E2160 @ 1.8GHz Ram : Transcend 2GB ddr2 800MHz. Power supply : Tech-Com 450Watt....
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votes
1answer
57 views

Laptop keeps killing hard drives, possibly caused by faulty battery

I have an ASUS X551M Notebook PC, running Ubuntu 14.04. It's about a year old right now. When I got it, it worked perfectly. However, a couple months in, the battery started losing lifespan. ...
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0answers
28 views

External computer speaker not working

One of my external computer speakers is not working. Two JBL Platinum Series speakers, about 10 years old, worked fine. I lost the power cord and bought a new one 12VDC 1A and now only the speaker ...
2
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0answers
170 views

Under what conditions will a group-regulated PSU damage a modern computer?

These days group regulated power supply design is considered obsolete and is ideally avoided -- primarily due to the poor regulation under crossload. For example, Shilka pulls no punches here, and ...
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0answers
39 views

Power adaptor seems to be outputting too high a voltage

I'm in a country with an unreliable national electricity supply, where staff in the compound in which I live run a generator at certain hours if there's no national power. Recently, the generator ...
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3answers
51 views

Computer switches off main power supply?

Ok so I managed to pour water all over my keyboard, mouse, monitor, and power boards. I've dried everything up, everything works except my monitor has water inside it making a little patch (i've ...
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0answers
24 views

Computer not booting up with 2 red LEDs on

My computer has decided not to boot up after I put it to sleep a few days ago. It will turn on, spin up the fans, light up 3 LEDs and it will reboot itself. The first day it did that, it booted into ...
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1answer
98 views

Sound Issues after Installing GeForce GTX 960 + Chipmunks

EDIT: I have tried installing a Nady HE-1 Hum Eliminator so as to deal with the buzz. Unfortunately, this had no effect when connected to the speakers via the front audio output, and had minimal ...
0
votes
2answers
45 views

New Computer, will not power up

I bought parts to build a new PC and there is a problem. I tested the power supply via the paper clip test and it works just fine. When I plug the PSU into the Motherboard however, no fans spin, not ...
0
votes
1answer
109 views

PC doesn't start. Power lights blink once

When I press the power button of my PC, it sometimes powers on. Most of the time, it gives a short flash and nothing else. Then I have to either press and hold the power button for about 20 ...
0
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0answers
78 views

irql not less or equal

My computer crashes 2-3 times per day. Config: ASUS M5A97 LE R2.0 AMD FX-6300 3.50GHz AM3+ HyperX 8GB FURY DDR3 1600MHz CL10 KIT HX316C10FK2/8 GIGABYTE GV-N75TOC-2GI GTX750Ti 2GB GDDR5 OC PCIE ...
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2answers
59 views

Laptop not starting up after cleaning cpu fan

I have Acer Aspire 5745G Laptop its fan started making noise. So i followed up this tutorial. And cleaned Fan and put everything back up. But now when connecting battery automatically starts up ...
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0answers
28 views

Trying to recover failed HDD. With the SATA power cable plugged in to this other computer, it fails to POST.

At first I was having issues with all my hard drives, but I after some tweaking with this test config, all my HDDs work... Except the one I'm trying to recover in the first place. Its a newer one with ...
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0answers
47 views

Having problems booting up and shutting down

I've had a custom-built PC since last year which has been giving me a lot of concerning problems while booting up or shutting down since last month. Here's a list of the main concerning issues: If ...
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0answers
23 views

What can I do to safely install my PSU externally?

I'm thinking about upgrading my PC (Inspiron 3650) to sport a GTX 960 4GB. The problem is, is that my motherboard is Proprietary. I want to install a 500w PSU externally so I can run the GPU I want. ...
0
votes
1answer
38 views

Will an ATX PSU fit in MiniITX case?

I want to build a mini-itx computer, but I want to know if I have to buy an special sized (mini-itx) PSU, or if I can go with an standard ATX PSU. Note: This is the case: BitFenix Prodigy BFC-PRO-300-...
0
votes
1answer
25 views

Can I run gigabyte gforce gtx750ti 4GB with my 420W power supply? [duplicate]

I am looking to buy the gigabyte geforce gtx750ti 4GB graphics card. The power supply system requirement says that I need a 400W minimum and my power supply has 420W so I guess that I have enough or ...
1
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0answers
38 views

TV connected to PC goes black for a second on its own or when turning a light switch on/off [closed]

I already read a few questions around here about this issue and while some of them provide a good clues, I think mine is specific enough to deserve its own question. The problem: TV image goes black ...
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0answers
36 views

Power supply issue? Or something else (PC turns off)

I build a PC about a year ago and I recently put a new graphics card in it (but I don't think that matters). It runs Windows 10. The symptoms are the following: If I leave the computer on for a ...
0
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1answer
72 views

What is my power supply rating?

I've been searching on the internet for ages and I can't seem to find out what this power supply is rated at, anyone good at reading labels?
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1answer
79 views

Laptop making low-pitched, humming noises when turned off but not unplugged (Lenovo IdeaPad 100)

I recently bought a new Lenovo IdeaPad 100 15'' and the problem is that when it's turned off, but not unplugged (meaning, the power cord is attached to the wall socket and one of the LEDs is still lit ...
0
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0answers
109 views

ASUS GL552 strange behavior

I'm owner of an ASUS ROG GL552JX. I got some strange behavior , I'll list them all : Starting the computer after shutting it down will result in a frozen ASUS logo at the boot time.To resolve this I ...
1
vote
1answer
80 views

PSU for server motherboard

I have a H8QGL-IF+ server motherboard. And for it i need three 8 pin EPS connectors for CPU since this mobo has 4 cpus support. I bough 1000w PSU from he quiet ( DARK POWER 1000W P8 ) and it has only ...
0
votes
0answers
27 views

How do I plug a laptop power supplier into a printer? [closed]

I have this Hp printer and I'd like to power it up with this do I have just to weld 16v+ and ground? Or is it more complicated? Tks for your answers
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1answer
84 views

Windows hangs on spinning dots

I did the most stupid move ever. I downloaded an Intel auto-detect-and-update tool from their website and ever since whenever I start windows with my 960GTX, It hangs on the spinning dots. I swapped ...
0
votes
1answer
46 views

Corsair Temperature Report

I have a Corsair AX 1200i that reports its temperature and its fan rotation speed to the desktop. I like to know Which point of PSU is measured. What is the normal working temperature of a PSU. If ...
0
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2answers
438 views

Desktop will not boot, not even to the BIOS

My desktop, assembled back in December 2011, specs are: Gigabyte H61M-S2P-B3 rev1.0 Intel i7 2600 3.4GHz Kingston DDR3 4GB 1333MHz Seagate Barracuda 500GB 7200RPM Windows 10 x64 Pro updated to ...
1
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0answers
27 views

Compaq CQ61-319WM will not boot from just AC; dead battery has to charge

A friend gave me an old laptop to play around with, and it's exhibiting a peculiar symptom: it has to charge up the battery for a few minutes before it will turn on. The battery does not have much ...
0
votes
0answers
31 views

computer crashing - American Megatrends Power surge issue

Computer crashing with power surge report Summary : Dependant on GPU Crashes within 5 minutes of running, often quicker based on load Seems consistent regardless of operating system running GPU ...
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0answers
35 views

The Power Supply can influence in performance?

I bought a new computer, I have a core i5 4690, 16gb ram hyper-x, 120 gb SSD + 500Gb HDD and a Radeon R7 360 2gb, the only thing that is not new in my computer is the power supply, a 500W "Wise Case" ...
0
votes
1answer
30 views

Can a large power supply cause overheating?

I have a laptop which is just over one year old, and ever since I have had it, there have been some very serious overheating problems. The fan is almost always at full blast, which is incredibly loud, ...
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votes
1answer
60 views

computer crashes due to supposed power surges

I built my computer half a year ago, I have never had a problem. I started playing shogun 2 through steam a few days ago, and last night when I went to play, it told me it was already running(though I ...
0
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1answer
54 views

SMART says my hard drive is okay, but it's randomly respinning. What is happening?

I have a 320GB WD Caviar SATA hard drive on a 2007 desktop machine. Lately it has taken to randomly spinning down and up again during active usage (streaming a video off it, for example: the disk ...
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votes
1answer
43 views

Power supply dead? [duplicate]

When I moved house I set up my computer and when I plugged the power cord in I noticed it was sitting a bit loose but I ignored it. Last night I was on my computer and when I stood up I kicked the ...
1
vote
1answer
51 views

Will multiple 12v rails “stack” to power a GPU that needs more than each individual rail?

I have a Rosewill Stallion 400 watt power supply, and it has two 12 volt rails: one with 13 amps and one with 14. Will this be enough to power a GTX 750 Ti, which requires 20 amps? The PSU has one ...
3
votes
5answers
589 views

Graphics card and PSU requirement

Note: This is intended to become a canonical post. I got a dedicated graphics card of type XXX and it claims I need at least a YYY Watt PSU. How big does my PSU really need to be?
0
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1answer
42 views

Radeon R7 250X OverClocked version; recommended power supply? [closed]

I have looked back and forward trying to find a PSU that fits that graphics card, because screen started flickering and system crashed if I used the graphics card mentioned above with a 500w PSU. I ...
0
votes
0answers
64 views

System suddenly going into continuous/infinite restart/reboot loop without even POST with clicking noise from PSU

I'm new here and desperately in need of help. My Dell Inspiron One 2330 was working perfectly till yesterday night. Today morning when I tried to turn it on, it went into a continuous restart loop ...