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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12 views

Coil whine - Corsair CX750

I have a Corsair CX750 and it's terrible loud (High pitch coil whine). I want to ask two questions: 1: Is this a general problem with Corsair's PSUs? 2: I need about 750 watts, can you recommend me ...
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1answer
22 views

PC black screen and fast fans

so I've had big issues with my computer for about 2 months now. After 2 years, my video card seemingly died, so I bought a 280x as a replacement. Well after 2 months, if supposedly failed as well, so ...
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6answers
34k views

Connect a 2.5" (laptop hard disk) SATA hard disk to Desktop PC

Can I connect a laptop SATA hard disk to Desktop PC? Do I have to use some adapters or I can just plug in SATA power connector and SATA data cable like my Desktop hard disk is connected? I noticed ...
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0answers
11 views

Can this PSU do me well with other components? [on hold]

Can this PSU CHIEFTEC GPS-600A8 600W Smart series do well with my other components, because im going to upgrade my graphic card to MSi N760 Hawk OC. CPU: Intel i5 3570k @ 3.8Ghz [OC'ed] MOBO: Msi ...
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1answer
3k 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 ...
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1answer
38 views

Graphics card possible power issue

I had an nVidia GTS 8800 that stopped working suddenly. I thought the card had just died so I purchased a Sapphire Dual-X R9 280X 3GB GDDR5 card to replace it. The new card does not work either. ...
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0answers
26 views

Can PSU force my PC to restart?

I recently had a problem where my PC restarts after watching Twitch channels or playing games. It looks like PC lost power and then booted back up. My specs are: CPU: Intel i5 3570K @ 3.9ghz [OC'ed] ...
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1answer
22 views

low profile gpu 280W PSU PCI 25w [on hold]

I have this list of low profile GPUs: HD 6670 - max power 66 Watts PSU 400 watts & 27amps HD 6570 - max power 60 Watts PSU 400 Watt & 27 Amps HD 6450 - max power 18 watts PSU 300 Watt & ...
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1answer
844 views

Why does my laptop's power brick “tick” when connected to A/C while not also connected to the computer

I recently got a new 14" 2013 Razer Blade, and found that the power brick has a weird behavior. When I plug the brick into the wall, after a few seconds, it will start to produce a "tick, tick" noise ...
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0answers
29 views

Is it a PSU or motherboard failure? Or something else?

My desktop computer suddenly stopped working today. When it happened, the fuse in the house was also knocked off. After switching it back on, I tried to turn the computer back on but nothing happened ...
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43 views

Laptop won't start properly after I spilled water on my laptop?

Usual story: accidentally spilled water (just water, thankfully!) on my laptop - dried it out as best I could, left it overnight in front of a fan to drain and then the next day, took it apart to see ...
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2answers
3k views

My Asus Laptop Power Supply is Broken — or is it?

System is an Asus N53S laptop. For several months I've been having the standard problem with a flaky DC plug that doesn't work unless it's positioned just so. Just to make life more fun, the battery ...
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1answer
28 views

Power supply unit for Intel server motherboard S1200v3RPS with Xeon E3 processor. 5-pin aux power cable missing

I am trying to put a server together to install Ubuntu. I bought an Intel S1200v3RPS motherboard and plugged an Intel Xeon E3 processor on it. I purchased a 1U chassis from Supermicro with a ...
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2answers
3k views

Dell inspiron n5010 has failed to recognize AC adapter

Recently my dell inspiron n5010 has failed to recognize my 90W adapter (despite powering it just fine). Full error message: "The AC power adapter wattage and type cannot be determined. the ...
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3answers
13k views

Dell Laptop Battery Not Charging?

I have a Dell Vostro 3555 and recently I noticed that my battery is not charging at all. I see this message when I boot up the computer: The AC power adapter type cannot be determined. You system ...
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1answer
30 views

my power supply died dramatically; is it safe to simply replace it? [duplicate]

my power supply died last night rather spectacularly: blue sparks, popping sounds, a smell of burning plastic. the computer shut down, then tried to start itself up again, and sparked and popped some ...
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2answers
37 views

my PC isn't reacting to the power button & not displaying anything

i've moved to another house , and today i just plugged in my pc's power cable ,then my pc (HP COMPAQ desktop) turned on as if i pressed the power button) ,but it doesn't show anything on the monitor ...
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0answers
22 views

Intermittent game controller .

I use a Logitech Extreme 3D Pro joystick (wired USB) to play TrackMania and recently bought two new ones (for two locations) but since connecting them I have noticed that when using button 0 (main ...
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0answers
36 views

ASUS Anti-Surge Protection? [closed]

Recently built a new PC, here are the specs: MB: ASUS Z97-A PSU: Corsair CX600M CPU: 4690K GPU: Gigabyte GTX 970 G1 Gaming SSD: Samsung 120GB 850 HDD: WD Caviar Blue 1TB RAM: 2x4GB HyperX ...
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1answer
50 views

Why does laptop's battery drain only when I am playing Minecraft?

I got a new power supply/cord for my Asus N550JV-CN191H, after my old one tore. The new one works fine, and the power indicator (Ubuntu 14.04) shows that the battery is charging, except when I play ...
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1answer
19 views

Is it necessary to use multiple PSUs?

I recently bought a used Server (hp proliant dl580 g5) for home use. It has two Power Supply Units. Is it necessary that I have to power up both in order to use it or can I simply ignore one and use ...
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22 views

Headphone Jack Messed Up Audio [possibly jack power supply?]

I'll get right to it: When using earbuds (plugged only into my laptop's dedicated headphone jack), the sound coming out is distorted. Sound cuts in and out and has a strange "echo"-like effect ...
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2answers
3k 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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3answers
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 ...
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0answers
26 views

Power issue, turned off once will not turn back on [closed]

I have had this computer for less than a year, but I built it. It is my first rig. The computer has been performing well-- very well in fact, but just earlier today I tried shutting it off from the ...
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2answers
1k views

desktop PC won't turn on

I've turned off my desktop PC to move it to another place in the room and now it won't turn back on. The power supply (Thermaltake TR2 RX 450w) has a small light in the back, which is normally ...
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0answers
27 views

Graphics Card causes PSU to reset?

I'm not amazing with computer hardware, I do understand the basics but I need some help! I just moved houses, and came to find out that my computer wouldn't work. The issue at the beginning was that ...
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1answer
3k 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 ...
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1answer
21 views

Laptop turned off without charged

I have a Asus N55SF laptop, and always when I unplug my device from the charger it immediately shuts down - the battery decreases from 100% to 1% in few seconds. Perhaps the problem is with my i7 ...
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0answers
46 views

PC shutting down every 30 minutes

I changed my graphics card and PSU today (went from 650Ti to GTX 770 and Thermaltake PurePower 430W to OCZ GameXStream 600W). I plugged these components in, at first I didn't fit the 20+4 pin ...
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2answers
55 views

Computer turns on fine every day except Sunday. (Maybe due to not using it for a while?)

For over a month, I have come home from a Saturday 16-hour shift on Sunday morning to find that my computer won't turn on. Every day of the week besides that one, the computer runs flawlessly. I ...
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0answers
10 views

Is it possible / safe to temporarily use a PCIe graphics without a PEG connector [duplicate]

I'm probably going to regret asking this, but here goes... I've got older Corsair modular PSU and I have lost the PEG cable for it so I have ordered another one. What I would like to do is install my ...
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2answers
35 views

computer suddenly loses power: no event of the shutdown [closed]

I'm looking for some diagnostic advice. computer was assembled 2 years ago, no issues since. symptoms: computer randomly loses power (usually happens in 2's. IE computer suddenly loses power. I ...
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1answer
42 views

Is it possible to power a SATA drive from an 8-pin PCIe power connector?

I have a Dell Precision T3610 workstation that currently has two 3.5" SATA HDDs installed, and I'd like to add two more 2.5" disks in a hot-swap bay. I have two free SATA ports, but I'm struggling to ...
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2answers
201 views

Monitor doesn't turn on the first try, is power supply failure imminent?

I been noticing for the last couple days that when I turn on my computer and then my monitor(22inch lcd) that my monitor does not turn on. I push the "on" button and the blue light comes on but the ...
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3answers
2k views

Two PSU in one PC

I'm not sure if this is right question for this site, so I apologize if I shouldn't have asked this here. I have two 400W (labels say that they are 400W, but I think they are much less because they ...
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2answers
20 views

Existing power supply supported by new motherboard

Essentially, I'd like to confirm that my Silencer 750W Crossfire power supply is supported by the Asus Z97-A. The motherboard states 24-pin EATX Power connector: ...
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0answers
24 views

PC gets powered up only sometimes [closed]

This is one of the most bizarre hardware problems I have ever had, since the 80486 days. Perfectly working PC with a Gigabyte UD2-P55M and an i7, Kamariki IV power supply. I go away for 10 days ...
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1answer
2k views

CPU fan turns on for a second and stops, PC does not start at all

I have checked my PSU and it works fine. When I turn on the MOBO, the CPU fan, case fans and the psu fan itself turn on for half a second and then turn off. The PC remains off. The Bios light turns ...
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0answers
22 views

Can a PCI-E cable that splits into two…be used on different PCI-E devices?

The way my Seasonic X-1250 PCI-E cables are designed is... There's one end which is a single cable with a 12 hole connector...that goes into the PCI-E port on my power supply. But then the other end ...
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0answers
38 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 ...
6
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1answer
17k views

Is using 4-pin connector for 8-pin ATX 12V power connector ok?

My new computer rig has a power supply with just 1 4-pin connector but the motherboard, a GIGABYTE GA-MA785GM-US2H has an 8-pin ATX 12V power connector. Is using only the 4-pin connector enough? ...
2
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1answer
145 views

Do Graphics Cards with power connectors still draw 75W from the PCIex16 slot?

The PCIex16 slot on mainboards is specified to supply a maximum Wattage of 75W, so lower end Graphics cards don't need additional power connectors. What about Graphics Cards that do have one or ...
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20 views

Just curious about these pcie cables that comes with these power supplies

My corsair 850 died on me but I still have the cables that comes with it I ordered a evga supernova 1300 g2 and wondering if it's safe to use the corsair pcie 6+2 cables on a evga supernova or should ...
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2answers
5k 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 ...
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0answers
16 views

Can I make a 4pin EPS12V to a 8pin PCI-E adapter

I need two 8 pin pci-e for a graphic card, however all I have left is two 4 pin molex and a 4pin EPS12V. I've got two dual molex to 8pin PCI-E adapter what If I cut one of them, cut the male EPS12V ...
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1answer
591 views

My motherboard's power supply connector is 20 pin, but all the power supplies I see for sale are 20+4 pin. Can this work?

I just got one on newegg that is 20+4 pin, but I need 20 pin. I thought since it says 20+4 instead of 24 that I might still be able to use it for a 20 pin connector? Or is there a converter I can ...
3
votes
1answer
95 views

Is using a powered USB hub Raspberry Pi DC power and USB data a good idea? Or does it create an odd, circular dependency that could blow the hub?

I have Raspberry Pi model A which has only one USB port. So I bought the cheapest electrically powered USB hub (AC adapter that has an output of DC 5V at 1000 mA) I could find—kind of in the spirit of ...
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0answers
40 views

When laptop battery on “High Performance” it stops charging the battery

I'm using an ACER Aspire 5750G and my laptop specs are: Proccessor: Intel Core i7-2630QM Display: 15,6 LED LCD Nvidia GeForce GT 540M - 1GB - CUDA Memory: 8GB HDD: 750GB DVD Super Multi DL drive ...
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2answers
54 views

Unable to shutdown, who to blame?

My PC has always suffered from this problem: upon reboot, the power, instead of staying up and running until BIOS POST, most of the time (but not always, and that's why I don't think this has never ...