1
vote
2answers
63 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 ...
0
votes
1answer
44 views

New PC build, PSU Wattage confusion

I am building a new PC to use as a home media server. My computer parts have arrived (apart from the CPU) and I intend to build next week. I'm having some problems figuring out whether or not the ...
1
vote
0answers
53 views

Keep getting electrified by computer power plug

I recently built a desktop computer, however whenever I move it to a different room for instance, and I accidentally touch the plug pins (UK), I get a quite significant electric shock. Is this a fault ...
-1
votes
1answer
28 views

After building first computer, powering on works for only 2 seconds until it switches on and off infinitely

I have built my own pc, with z87x - UD4H / i5 4670k / 770 GTX. I installed the CPU / stock fan / connected it to the MOBO. Connected the 24 pin power supply Connected the GPU / Ram / Sonar DX audio ...
2
votes
3answers
449 views

Computer shut down while playing a game

Fourth edit: I removed my graphic card. I installed Intel HD Graphics 4000 driver and then I did a test (graphics test). There is a similar sound like the one of my graphic card: ...
0
votes
1answer
52 views

How many amperes and watts do I need for this setup?

I'm trouble calculating how many amperes I need for this setup. I know I need around 500-600W, but my current PSU is 600W but only has 14A on the +12V rail and I don't know if it can run this new ...
3
votes
2answers
75 views

How to consider power supply when building a PC?

I've looked at multiple PSU calculators online and they've all given me a range around 600-800 Watts, most being closer to 800 W. However, I've looked at multiple forums that talk about how ...
1
vote
2answers
978 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 ...
1
vote
1answer
47 views

Is PSU voltage ripple something to worry about?

I'm currently putting together my first computer and I've had my eye on a Fractal Design Newton R3. From all of the reviews I've read this PSU comes out shining with the exception of voltage ripple on ...
-1
votes
1answer
196 views

Powerful mini ATX gaming PC and extreme low power hungry download server in ONE

I want to build a really powerful gaming machine with some kind of a media server streaming full HD contents to the whole room and TV, but at the same time, a "magical button" which turns this power ...
0
votes
2answers
84 views

Computer will not turn on without the wires being pulled towards the power supply

I'm fixing a computer and what appears to be gaffer tape is holding the power supply wires together that connect to the motherboard. When the wires are pushed towards the power supply (the upper left ...
1
vote
3answers
415 views

How do PC fans know how fast to spin?

Building my first PC tomorrow, and one thing is confusing me. How do the fans know how fast to spin? The CPU fan is connected to the motherboard's 4pin cpu_fan socket, so I can understand how it can ...
-2
votes
3answers
739 views

What Power Supply Unit (PSU) is needed for 16GB RAM and Graphic card upgrade [duplicate]

I am planning to upgrade my computer case- A new graphic card and RAM to 16 GB. PC Config : Processor : Intel Core i3 2nd Gen Motherboard : Intel Desktop board DH61WW RAM: 4GB (upgrading to 16GB) ...
2
votes
1answer
95 views

Why do manufacturers not show all hardware power usage? [closed]

I find it slightly more difficult to build a computer when I do not know how much power is needed for a component. When selecting a power supply for a computer, it is difficult to know how large of ...
1
vote
3answers
2k views

Computer turns on and off very quickly, then nothing, then works?

The strange nature of this problem is what is stumping me. I built my computer about 7 months ago using all new parts off of Newegg (not a kit or anything). One day, I wake up and turn on my ...
1
vote
0answers
26 views

how to check if my power supply can handle additional components [duplicate]

Possible Duplicate: Check if PC has sufficient power for all components I built a computer last year, and have added a few new components to it since I did. When I first bought the unit, ...
0
votes
1answer
394 views

Moving abroad: Can I use my computer overseas if I change the power supply unit (PSU) to one from that country?

Details I expect to move abroad soon. My current desktop computer was custom made in Japan.I was hoping to use it in Australia. I read somewhere that it is as simple as changing the power supply unit ...
0
votes
2answers
337 views

Power supply switch like stays off motherboard light turns on

I bought a computer at the thrift store yesterday. The computer powered on without any error beeps. Getting it back to the house determined that the CD and hard drive needed to be changed. Put in a ...
0
votes
1answer
106 views

Antistatic mat alternative

I'm going to replace the psu and graphics card for a computer, and I don't particularly want an antistatic wristband (I'll just slap a radiator), but when I'm opening it, what shall I put it on that ...
0
votes
2answers
3k views

Computer starts without pressing the power button

When I open the switch of the power supply, the Computer automatically starts up and then in three seconds automatically shuts down. I have tried shutting down windows properly but this unusual ...
2
votes
2answers
401 views

PSU power cable length, and will my graphics card fit in my case? [closed]

I've decided to build a computer, this will be the first computer that I've built but I've done lots of research and have a list of parts which I will be ordering. I asked for someone to check my ...
0
votes
2answers
94 views

Built a new PC. Not sure what is breaking what

Just built a new system with the following problem components: Corsair 650w PSU Gigabyte Super OC GTX 560 ASUS P8Z68-VPRo motherboard I turned the machine on first without installing ...
1
vote
1answer
892 views

Is 4 pin 12v connector necessary in my motherboard?

I am building my new PC. I am really a newbie at this. Currently I have SIEMENS D1107 motherboard. I want to replace it with HP P4SD motherboard. But there is a one problem. The new motherboard has 4 ...
1
vote
2answers
72 views

Computer power supply issues

I am trying to fix a friends computer. He said there was an issue with this powersupply: http://www.newegg.com/Product/Product.aspx?Item=N82E16817170017&cm_re=logisys-_-17-170-017-_-Product I ...
0
votes
2answers
146 views

Are These Parts compatible? [closed]

I have never assembled a PC before, although I have taken an old one apart and replaced a few parts in others here and there so I have (very) limited experience. I have been looking to make a pc and ...
2
votes
1answer
82 views

Power supply in custom computer

I am building a new computer and would like to double check on the power supply. I am using Building a PC, Part VI: Rebuilding as a guideline, updating parts to newer ones available, but am staying ...
0
votes
2answers
201 views

New Power Supply Seems Very Loud

I just purchased a new 550W power supply for my PC. It's a dual fan one and it seems really loud to me. Typically asking, are there ways to controlling a Power Supply's fan? Say like, slowing it ...
2
votes
4answers
355 views

will a 600W PSU power the following?

I was wondering if a 600W PSU (power supply unit) is good enough to run the following: Core i3 2 medium quality video cards 2 or 3 hard drives 4GB ram
4
votes
1answer
321 views

Does a power supply draw its rated watts all the time?

I'm really confused when it comes to power supplies. I'm looking at a 650 Watt, bronze rated power supply. Does this mean that it is constantly drawing 650 Watts? Or is that how many it pulls in an ...
0
votes
4answers
1k views

Building new computer, turns on, but no POST

Pardon my ignorance here. I finally decided to put together a computer and egads. I purchased a new motherboard, power supply, processor, video card and memory. ASUS M4A79XTD EVO AM3 AMD 790X ATX ...
1
vote
1answer
77 views

Some Power Supply Cable Questions?

I am building a new PC and I haven't done this in a few years. It will have all the latest tech stuff. I got my PSU in the mail and I am looking over the cables (it has a lot) I thought it was a ...
4
votes
1answer
550 views

How much power supply does a typical PC build need?

I am building a system for a friend. The potential specs are like this so far: ASUS A8N-VM motherboard AMD Athlon 64 3200+ @ 2.0 GHz Any 7200RPM SATA HDD Palit GeForce 8800GT 512MB GDDR3 PCIe One ...
2
votes
1answer
705 views

Why would only the cpu fan not spin and no video displayed?

I just built a new computer and when I first powered it on I got a continuous beeping which according to the manual means a power failure. After moving the voltage switch to the left a little I was ...
0
votes
1answer
214 views

Will Intel® Desktop Board D975XBX2 fit inside Thermaltake Armor+ Case

I have this motherboard Intel® Desktop Board D975XBX2 CPU Quad Core I want to Buy Thermaltake Armor+ case With powerSupply Aerocool E85-700 Will those three work because i have put components from ...
0
votes
2answers
238 views

Monitor loses input signal periodically?

I recently installed a new video card and PSU on my machine and since then, the input signal to the monitor gets lost periodically. The LED light on the monitor doesn't turn off or change colors. ...
3
votes
1answer
2k views

compatibility with modern motherboards? (ATX 12V vs EPS 12V)

I have the Seasonic S12-600 in my current PC, which I'm thinking of upgrading from its ageing s939 Athlon CPU to a Core i5-based system. My question is whether or not my PSU is compatible with modern ...
0
votes
4answers
583 views

What size power supply would I need for a computer with these specifications?

I'm building a computer with the following specifications, but I'm not sure if my 430-watt power supply is sufficient. AMD Phenom x4 9600 Gigabyte MotherboardGA-MA785GM-US2H 4 gigs of OCZ 1 ...
2
votes
5answers
1k views

How do I tell which components survived after a power supply failure?

A couple days ago I booted up Left 4 Dead, but then heard a pop and my computer turned off. It smelled like dead electronics so I unplugged the computer. I figured it was a power supply failure, so I ...
2
votes
6answers
391 views

What should I know to select a power supply?

I am planning to build a computer in the next year. What should I know about power supplies before I buy one? I'm putting together a check-list, so nothing is too simple!
5
votes
5answers
6k views

Could I replace a stock PSU fan with a more quiet one?

I have a cheap 450W PSU with an exhaust fan at the rear. This fan, however, is very loud. Is it a good idea to replace the stock PSU fan with a quiet fan with similar airflow? The PSU fan is ...