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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30 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 ...
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211 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 ...
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0answers
33 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 ...
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1answer
45 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 ...
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0answers
26 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 ...
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2answers
50 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 ...
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2answers
85 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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3answers
110 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 ...
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1answer
79 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 ...
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2answers
57 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 ...
3
votes
6answers
297 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 ...
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2answers
70 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 ...
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2answers
57 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 ...
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1answer
21 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 ...
0
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3answers
59 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. ...
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2answers
93 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 ...
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1answer
131 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 ...
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2answers
61 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 ...
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2answers
75 views

Repair/Replace the Graphic Card's fan

Yesterday, I was cleaning my PC and after that, I tried to boot my pc and itself automatically after sometime. I checked all the fans and notice that my Nvidia GeForce 8400 GS Graphic card fan is ...
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6answers
542 views

Preventing the power supply (PSU) from blowing the motherboard or vice versa

Problems with power supply and motherboard compatibility appear to be common. My power supply/motherboard nightmare Power Supply Too Big? Can a +5VSB supply rail value of 5.4V prevent a PC from ...
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1answer
67 views

My PSU 2x2 12v connector is reversed! Why?

The 4 pin processor core voltage connector on my PSU unit won't fit into the 4 pin socket on my motherboard! The pattern of rounded and square pins on the connector is the reverse of the pattern on ...
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1answer
51 views

Plug power adapter into 19V laptop [duplicate]

I know questions similar to these have been asked many times before. However, I could not deduce the answer to this question, because they only did tell me what I should do, but not why I should do ...
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1answer
50 views

HP DL380g6 server with graphic card powered by external psu

I have an old HP dl380 g6 server and I need to use it for renderings but I have one problem, some of servers don't have 6/8 pin power outs for graphic cards, mine don't have it too. With that in mind ...
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0answers
28 views

Is power outage dangerous in BIOS?

I recently had problems with my adapter for my laptop, and I think there is a problem with the connector. But to know that, I have no other solution but to test if my computer is powered or not. Since ...
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2answers
73 views

What can cause my PC's voltages to be off?

I have recently started experiencing very strange issues on my self-built PC system. Although the system is still very speedy, it's very fluctuating now. This is most notable when using graphically ...
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3answers
99 views

Why is UPS technology unreliable? [closed]

Following the UPS issue at SO today I recall my experiences with UPS (uninteruptable power supply) systems in the work place. Typically we would arrive at work in the morning and find all systems ...
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2answers
40 views

Speaker noise for basic computer functions?

I get a static sounding noise(not real static) from the speakers whenever I use the scroll bar in Ubuntu. Should I be looking at the operating system, the motherboard or the PSU? Any help would be ...
1
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1answer
123 views

Is there any limit on how many SATA power connectors i can extend

I am running out of SATA power connector from my PS unit. I have ordered One SATA to 2 SATA extender connector from ebay I want to know that how many max i can join them in series. Can i make 4 ...
1
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1answer
83 views

Hard drive not found after blue-screen

I met a blue-screen and then a problem saying "Hard drive not found" when I was re-booting my system. But when I plug the power cable of the hard drive and re-insert it, the system can be successfully ...
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1answer
41 views

Upgraded Computer, Now It Turns Off Randomly/Won't Turn On

I have recently upgraded my computer and now it turns off at random times. Sometimes, I'll be on all day and there will be no problem. Sometimes it'll be a couple hours and it'll shut off. And ...
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0answers
46 views

PSU with g3220 and 750TI

I'm trying to find out what psu wattage I need for a build with a pentium g3220 and a GFX750 TI, next to this one ssd will be used. If possible I would like to use a 350W psu I already have lying ...
3
votes
1answer
179 views

How to draw 12W DC output from PC motherboard/PSU/USB?

I recently bought a Dell AX510 Soundbar speaker that fits snugly under my monitor. However, my monitor, Dell IN2030M is a budget model, and while it does have the plastic grooves to fit the ...
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0answers
45 views

Acer Monitor - No Response to Power Supply?

Model No is S231HL, for reference. As I was packing to leave my dorm, I unplugged it for the first time in a long time. It was working just a few minutes before this. I then realized I wasn't sure ...
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2answers
76 views

My PC restarts randomly

I bought a desktop 1 year ago. I used it and it worked very fine. After 6 months it suddenly shut down without blue screen and was responding to restarts. yet it is not solved but I tried a lot to ...
0
votes
1answer
47 views

Windows not detecting any audio device

Yesterday there was heavy rain and lightning where I live.. due to that there was a short in power supply. I lost my 500gb harddisk and all the data in it. Today I bought a new hard disk and ...
0
votes
1answer
57 views

Laptop electrical protection overseas

I will be carrying my laptop on holiday overseas to India soon. The place I will be living at may not have earthing in all of their power sockets. Is this something I should be worried about? Should I ...
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0answers
31 views

ATX PSU: Pin 9 reads a lower voltage when plugged into motherboard

I'm pretty confident that the PSU is bad in this computer, but I want to understand what my multimeter is telling me. With the PSU plugged into the wall only, the multimeter says that pin 9 is a ...
2
votes
1answer
117 views

Game drops to 0 FPS and CPU Usage drops to 0%

So for about 2 weeks now I've experienced a problem while gaming. My frame rate would drop to 0 and my computer's CPU Usage would drop to 0% at the same time. This would stay this low for up to 30 ...
2
votes
2answers
146 views

Can using a under powered laptop charger make my notebook shut down under heavy load?

I have a XMG P501 gaming laptop based on Clevo P150HM models at the moment connected to an under powered laptop charger. It is shutting down when under heavy load (3dmark, some games in particular) ...
15
votes
2answers
836 views

Identify AC Power Cord with rotated pins

Is this AC power cord connector a standard one? The pins seems to be rotated 90 degrees. This ATX power supply unit (Silverstone ST1500) did not come with the cord and I am hoping to be able to get ...
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votes
1answer
111 views

High pitched whine coming from the GPU/PSU?

This problem only happened today, and it has been getting really annoying. SPECS: Intel Core i3-3210 @ 3.2GHz 4GB x 2 RAM AMD Radeon R7 200 Series Now, Whenever I play games at a supposedly ...
8
votes
4answers
1k 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
1answer
26 views

How to store personal data locally (non-cloud solutions)? [duplicate]

As the title pretty much summarises, storing data in External HDD (especially the ones which require power supply) is not exactly a risk-free solution. I have burnt my hands more than once even with ...
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votes
1answer
122 views

Can a laptop power adapter bought with a UK power cord be used with a US power cord?

I bought a Lenovo laptop here in the UK and am shipping it off to my girlfriend in the US. Can she use a standard US power lead for the lead that goes from the laptop power adapter to the wall outlet ...
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0answers
17 views

PC Shut Down & Blue Screening?

I have recently upgraded my motherboard in my computer before that I had a standard small board but now I have a big gaming one (forgot the exact size names think its atx or something) Anyway, ...
0
votes
1answer
188 views

Connect ASUS R9 280X to Corsair HX850

Need to connect an ASUS r9 280x graphics card to Corsair HX850 PSU. There are 6 pin and 8 pin power connectors on the graphics card and 8 pin PCIE power connectors on the PSU. Cables available for ...
0
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0answers
46 views

Advent T1 (All in one PC) - screen going blank

I have an Advent T1 (all in one PC) that suffered from the under powered 12v 15amp PSU issue outlined here The computer would run for a short amount of time, and then power cycle. I've replaced the ...
0
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1answer
97 views

How can a power supply rated 7A be strong enough for two devices rated 5A? [closed]

I am not understanding something fundamental to amperage: Consider this adapter which outputs 12V 7A. It claims that several (eight, in this case) devices running at 12V 5A can draw enough power from ...
1
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1answer
193 views

-48VDC power required: How to make it work with 110VAC input

I recently bought a used NetOptics TP-GCU-48V network tap on eBay for use on my home net. This is one of their earlier models and has been discontinued for a number of years. They have two versions ...
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0answers
40 views

how do I know whether a fan error on post requires action?

I have an HP a6400f PC, (it's a tower) and after a brief power blackout, I started getting a generic "Fan error" problem upon startup. I can click through the error and boot into Ubuntu. ...