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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2
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1answer
25 views

Black Screen CPU & GPU running and fans spinning

Can anyone help me detect my problem? First here are my specs: CPU: AMD A8-5600K Monitor: Asus VX239H 1080p MoBo: Gigabyte F2A85X-D3H RAM: Corsair 8GB 1600mhz GPU: Sapphire R9 280x Vapor-X Tri-X 3GB ...
-3
votes
0answers
14 views

What UPS for Amcrest 4 bullet camera 960H security system? [on hold]

The 4 bullet cameras are connected to power from the DVR. Cameras are 12 volts DC 50-60 hz 3 amps. DVR is 12 volts DC 50-60 hz 2 amps. Does that make a Total 5 amps system since they are connected ...
0
votes
1answer
17 views

Finding Power Supply for laptop [duplicate]

I have a HP laptop that came with an 18.5V power supply. Is this power supply unique to the point I have to go back to HP to get one or can I get one from say Radio Shack?
2
votes
1answer
21 views

can i connect my usb powered speakers to my phone charger? [duplicate]

I have got a 2.0 USB powered speakers which are supposed to be connected to the PC USB port. But that port creates noise in the speakers and is not very convenient. I have a phone charger of output dc ...
10
votes
2answers
390 views

What happens when laptops reach 100% charge?

I have been reading alot of mixed views on how Lithium Ion batteries work when it comes to laptops. I have the new dell xps 15, with an intel i7 cpu, 16gb ram, and a 512gb ssd. Is it bad for the ...
1
vote
1answer
33 views

Computer only turns on after many hours off/unplugged

I'm having a problem with my PC. My computer specs are: Mobo: Gigabyte GA H81M S2PV Proc: Intel Pentium G3220 Ram: 2x8GB 1333MHz Kingston (Passed on Mem86+) PSU: Corsair CX430 III HDD: Seagate ...
2
votes
0answers
43 views

Laptop died after using a SATA/IDE USB hard drive converter

So I think I have done something very bad, I have a HP laptop and wanted to recover some data from some old SATA and IDE drives. I Bought this ...
0
votes
1answer
32 views

Computer boots up automatically when given power and screen shows no display?

I have a strange problem with my computer that I am building. I had to replace the original mobo (Asrock fatal1ty H97) due to compatibility issues (the system did boot up correctly with this mobo) , I ...
3
votes
1answer
48 views

My computer has short circuited my graphics card(s) three times, and I have absolutely no idea what's causing it

Nearly a year ago, I came home to find my GPU fans spinning very loudly and my computer getting no video at all. So I restarted it, still no video output from the GPU, GPU fans are spinning at 100%, ...
0
votes
1answer
39 views

GPU driver restart just in PCI-E 16x slot

My specs are these: i5 3570k 2x 4Gb G-skill DDR3 MSI Geforce 770GTX 650W PSU (Inter Tech Energon EPS-650W - ...
0
votes
1answer
33 views

Why does my CPU not use it's full TDP wattage potential?

I have an Intel Core i7 3610QM (Ivy Bridge) in my laptop. According to Core Temp, the TDP (thermal design power) is 45 watts. However, when turbo boosting to the max (3.1 GHZ) on all 8 threads with ...
-7
votes
0answers
41 views

How does the laptop get power? [closed]

I got interested in computers, so I googled about the components of the computer. There was a component called the power supply. But how would it fit inside a laptop?
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votes
0answers
27 views

PC won't start. Is it an issue with the PSU or motherboard? [closed]

I have an Intel i5 CPU. One when I was playing games it suddenly it went off.I checked the CPU and I noticed something. When I press the power button the fans of the CPU starts and stops it kept going ...
0
votes
4answers
165 views

Could a bad energy grid system cause a BSOD back in the year 2000? [closed]

I believe nobody here would say a PSU can't cause a BSoD, but how about just a bad energy supply from the grid? I remember back in 2000 I've fixed a constant, almost daily, BSoD issue I've had with ...
1
vote
1answer
33 views

What controls the HDD spindown (power cable or data cable)?

I am looking into putting together 1-2 sata drives on a dedicated board (similar to raspberry PI). I saw that there are some Mini-PCIe to sata adapters but these only contain the data link and the ...
0
votes
0answers
19 views

Old PC runs but sends no signal to monitor

I know this question has been asked before and I've tried everything I found without success. The PC boots and it loads the OS, I can hear the welcome sound of Windows, but there is no connection to ...
2
votes
1answer
23 views

Computer mysteriously seems to power on after surge, but no video or network

I have a box running Linux Mint I've been using as a file/plex host for about half a year to a year. Last night there was a brief power outage and I shut down both of my PCs (linux and Windows ...
0
votes
1answer
27 views

Computer freezes and stutters when playing games

My computer whenever playing games begin to freeze and then begins to stutter. The sounds comes out of the headset, not the case. I thought it might be the PSU, so i changed the PSU. Thought it might ...
-1
votes
2answers
37 views

Getting a new PC built and I have some questions [closed]

In a couple of weeks I will get a new PC built and I wanted to ask if I could re-use some of the old components in the new one, since I'm on a 600- 650 euro budget. The old parts were regulary cleaned ...
1
vote
2answers
67 views

No Video Output - No beeping - Asrock H97 Pro4

3 days ago I bought these components for my new computer: AsRock H97 Pro4 Motherboard GeForce GTX960 GPU DeepCool DA700 Power Supply Intel I7 4790k CPU 1TB WD Black HDD 1x8GB Kingston HyperX RAM ...
1
vote
2answers
90 views

What is the risk of reusing my PSU? [closed]

Four years ago I built a desktop. A few days ago this desktop died (for non-PSU related reasons) and I've decided to build a new one. I would like to save $100 and reuse my old PSU, but I'm not sure ...
0
votes
0answers
20 views

How can I split the power from a single PSU between multiple motherboards (with a twist)?

I am looking to build a home blade unit to save on space (need them locally) and cost, as I need 20 - 40 servers. I've done the basic work on design, but here lies my biggest problem(s). I have no ...
-1
votes
0answers
49 views

R9 280x suddenly not working

I have problem with my Sapphire R9 280X DUAL-X. It was working well, but now my PC will not boot (screen lightly flashes like the cable is not fully connected). One of the two fans spins after I start ...
0
votes
0answers
30 views

New PSU installed computer wont wake from sleep mode

I hope this is the right place to put this. As stated above I recently purchased a new PSU (CORSAIR AX series CP-9020045-NA/RF 760W ATX12V). Everything went well until I put my computer to sleep. ...
0
votes
1answer
59 views

Computer components keep failing! Could it be my PSU?

Less than a year ago, a friend and I built my computer, and ever since I've had outrageous hardware problems. First the Windows 8 installation my 1 TB HDD was continuously corrupted, forcing me to ...
0
votes
1answer
27 views

Power supply for 2.5'' HDD

I have 2.5'' Toshiba HDD which requires DC +5V/1.1A. I also have power supply with DC 12V/2A and 5V/2A output. It uses MOLEX connector (12V on pin1, 5V on pin4) with reduction to SATA connector. Can I ...
0
votes
0answers
47 views

External GPU through expresscard slot - Power up PSU

I got one of these: http://www.banggood.com/EXP-GDC-Laptop-External-PCI-E-Graphics-Card-p-934367.html It's an external gpu dock through expresscard slot (exp to pcie). I hooked it up to my PSU as ...
-1
votes
1answer
36 views

Inconsistent startup issues [closed]

My computer crashed yesterday, and I was not able to start it up again until this morning. I tried yesterday for about two hours. When I pushed the power button, the fans would start up briefly, then ...
-1
votes
0answers
19 views

Cutoff Charger power when it reaches threshhold and reconnect power when below a threshhold

I would not believe if no such thing exist. How can i Cutoff Charger power when it reaches threshhold and reconnect power when below a threshhold? To be noted, the charged remain connected to laptop ...
1
vote
1answer
45 views

Graphic card connected but bios shows as empty slot

I build computer and i plugged graphic card (MSI Radeon R9 270X) to motherboard (MSI H81M-P33) and connect this to power supply (Corsair VS450) 2x6 pins but BIOS does not detect graphic card in PCI-E ...
1
vote
1answer
22 views

Modular Power supply, using other types of modular cables?

I have a corsair cx600 modular Power supply. I ordered from a company corsair cx500 modular cable by mistake.( a 6pin male to 6pin male cable) This was so I could connect my new GPU, a small form ...
2
votes
1answer
42 views

Can low voltage damage laptop or it's battery?

Sometimes I get very low voltage in my house. I am worried if I connect my laptop charger to the socket, will it damage the charger, battery or the laptop itself?
-2
votes
1answer
22 views

Power Adaptor Compatibility [duplicate]

my Sony Vaio Power Adaptor broke today and i wondering if i could replace the broken one with the Adaptor from my older Vaio, here are the specs : Broken Adaptor : VGP-AC19V54 Old Adaptor : ...
0
votes
2answers
27 views

Random shutdown on aspire 4935G

(on AC(with battery plugged) or AC only) the laptop just random shutdown without any notice when.. -left idle for some time -but this problem don't happen when the cpu busy like playing games,or ...
1
vote
1answer
50 views

ATX Dell PSU to Offical ATX 2.0 spec pinout

Hey all I am using an old Dell Precision R5400 which has the 750w hot swap-able power supply. Problem being, since its a dell, the ATX pin layout is different than that of a normal, standard ATX 2.0 ...
0
votes
2answers
43 views

Accidentally plugged 6+2 PCIe into ATX 12V port, is everything damaged?

I haven't done a build in a long time and today just plugged the 6+2 PCIe into the ATX 12V port (why, given the simplicity of keying these plugs of this format, especially when a mistake can lead to ...
1
vote
2answers
56 views

Computer Randomly Powers Off. What's The Cause?

I upgraded my computer a month or two ago now and now every so often, my computer will randomly shutdown (and then restart after about 5 seconds). To clarify, it usually shuts down when coming out of ...
0
votes
1answer
56 views

How to determine if there is enough power supply wattage for a video card?

I'm a complete newbie to computers. I recently found a graphics card that takes a 300 watt power source and I don't wish to spend $150 dollars on something that won't work or will break my computer. ...
0
votes
1answer
34 views

Fried my motherboard/PSU?

I was experimenting with making a custom switch to start my computer, and I was using an LED toggle switch (I know now it's supposed to be a momentary) that needed 12v power for the light. ...
0
votes
0answers
32 views

Laptop not charging when running OS/BIOS, charges when off

I am facing this problem in my laptop since last 3 days or so. Make : HP Envy Touchsmart 15 (Core i7, 4700MQ), approx 1.5 years old. The problem is that whenever I am running any OS (Win/Ubuntu), ...
0
votes
0answers
23 views

Second PSU shuts down by itself under load

i have 2 PSU one 650watt to hold my i7-2600k 2hdd's and 1(out of 2) r9 290,the second PSU is 340watt and has only my second r9 290.When i load a game then the second psu shuts down and i get a bsod ...
0
votes
1answer
48 views

PC restarts on power outtage despite having a UPS

Unfortunately where I live I do not have 24/7 electricity. My new PC rig which is considered to be a high-end(gaming) system is connected to a brand new APS/UPS that have these specs: DC-AC ...
2
votes
0answers
38 views

Testing my PSU, and GPU

Bit of a complicated situation people.. But my main question is my PC seems to be running on my psu but it has a problem with my graphics card. It needs two six pins to run it.. The card runs on my ...
1
vote
2answers
60 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 ...
0
votes
1answer
46 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. ...
0
votes
0answers
32 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] ...
0
votes
0answers
46 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 ...
0
votes
0answers
51 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 ...
2
votes
1answer
100 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 ...
2
votes
1answer
37 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 ...