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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539 views

Is it possible for graphics related glitches to be caused by PSU

To simplify for the reader, an oversimplified version of my question comes first (though perhaps it is enough). SUPER-SHORT version Is it possible for a power supply to be failing in such a way that ...
2
votes
2answers
2k 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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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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2answers
534 views

Desktops don't POST, but if left alone for a few days, will boot

I have 2 computers with very similar problems. My first computer is an HP Slimline s3127c dual core AMD processor with a small form factor case. One day it just stopped turning on. When I press ...
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2answers
334 views

Power supply does not silent after few seconds

I have a desktop computer that I intend to use as a Linux server. I assembled all components and the computer properly boots in Ubuntu, and works fine, however, the power supply fan does not turn down ...
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2answers
1k views

How to force a hard drive to shut down

I have a hard drive in my computer that I'm not using. I want Windows 7 to shut it down. I don't want to have to manually remove the cable. (The reason is that for some strange reason my computer ...
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2answers
81 views

My Toshiba Satellite c850 won't display screen

Before this happened, I had some occurrences where my laptop's screen turned off out of no reason. Everything was still on (the sound, tasks in thr computer, fan, etc. was working). I tried closing ...
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2answers
390 views

What kind of power supply will I need for 780 sli?

I have a GTX 780 and I would love to get another one and use it for sli, I was wondering what's a good powersupply wattage that I should get. I'm currently using a Corsair CX 600 Watt Power supply, ...
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2answers
123 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
76 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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votes
2answers
103 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
108 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 ...
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2answers
278 views

UPS will work on power but not battery

I have an old APC Back-UPS 200 I'm hoping to use for my PC. Connected to power it works fine. When unplugged it emits a "i'm on battery power" constantant tone. The 2 plugs on the back are not ...
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2answers
104 views

Losing monitor input - PSU or GPU suspect

I randomly lose video after playing games once in a while (mainly guildwars 2) regardless of graphics quality. Computer still produces sounds and appears working, but monitor reports no input. I ...
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votes
1answer
1k views

eeepc 701SD 4G Power Up Fails - Will not power up / boot

I have a critical failure with my eeepc 701SD 4G: Will not power on at all. - Power button pressed = nothing happens at all. absolutely nothing. - Battery light shows orange and doesn't charge - ...
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votes
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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votes
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
338 views

Is my PSU dying?

I had a GTX 580 3GB, and about 4 weeks ago my PC frequently refused to POST, and sometimes when it was working, the screen would go black and the GPU fan increased to 100%. I would then have to reboot ...
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votes
1answer
960 views

How can a power supply (PSU) fail to power a motherboard but still test as “OK”?

I'll start by apologizing for asking another question on a topic which obviously pops up over and over and over again. I tried to locate an existing answer matching my situation, but I did not. If you ...
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1answer
39 views

Dozens of spontaneous reboots

I am working on a SUSE Linux based system that runs 24/7 and has done so for around 3 years although I cannot say that it has not been rebooted in that time. At 9th June there apparently was some sort ...
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votes
1answer
304 views

Do USB devices draw current from the computer if a powered hub's current “runs out”?

I have a few heavy duty devices and a powered hub and I wonder what's the flow of current in those things.
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1answer
2k 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
2k views

Hard disk stop working after some time

OK, this is a problem I am experiencing from the last few days. My PC starts normally, but many times when I work, my HD stops working and the PC get hangs. If I wait for few minutes (5-10 min), then ...
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1answer
57 views

Wake up PC via USB from another PC

How can I wake up/turn on Linux powered PC from another Linux powered PC via mutual USB cable?
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1answer
999 views

computer shut down suddenly and now won't boot

I have a DIY computer that was built about 3 months ago, and worked fine until this week where it shut down suddenly while using Word. The only other application running at the time was Google ...
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1answer
113 views

Poweredge 2500 6C822 PDM Board Pinouts?

Okay, here's a strange one: I am trying to use an old Poweredge 2500 chassis to house a newer ATX-type motherboard. What I need to know is this: What are the pinouts for the 6C822 Power ...
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votes
1answer
98 views

Installed a new PSU and GPU and performance doesn't improve

I installed a new 500w PSU and a Geforce GTX 660 GPU. And after installing all the newest drivers from Nvidia. I upgraded from a Geforce 9600 GT. And I should be seeing a MAJOR upgrade. But it seems ...
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votes
1answer
21 views

PSU Issues - Antect 1000w Quattor

I have a server using a 1000w PSU from Antec. My Raid 6 was becoming degraded and I tried to repair without success. So I have looked at the drives and they are all operational. I have now found that ...
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votes
1answer
179 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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votes
1answer
220 views

No power, custom build with new parts, yet 850W PSU still works with old parts

I've just upgraded parts in my PC. was a few years old, built it myself then too. Got a new motherboard, RAM and processor. Connected everything and power lasted literally 1 second, then died and I ...
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votes
1answer
57 views

Manually starting a PSU lowers the output Voltage

I have a PSU. When I start it using a motherboard, I get a little over 5 and 12 volts on the respective lines. But when I manually start it (by connecting PS_ON to ground), I get only 4.2 Volts on the ...
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votes
1answer
80 views

Replaced power unit and computer won't show screen

I just placed in a brand new PSU and it's a 650W and more then what the system needs. The fans turn on but I don't get anything on the monitor. Ideas? No beeps. I can't tell if hard drive is running ...
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votes
1answer
159 views

Unknown UPS back-up issues

I have a Powercom UPS IND606A. I am staying in India having voltage range of 230. The detail explanation of problem :* When there is a powercut UPS gives back-up but it restarts the computer. ...
0
votes
1answer
141 views

Gateway SX2300-01u CPU/PSU issues

I have a 2-yr-old Gateway SX2300-01u with an AMD Phenom X3 8550 that I feel has about a year or so of life left, but I am having a couple of hardware issues that I have not been able to resolve. ...
0
votes
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 ...
0
votes
1answer
498 views

no POST while booting. monitor not displaying anything

The monitor not displaying anything. I don't hear the POST signal as well. ( the beep while booting ) Things that I have tried. Connected MONITOR to laptop ( which I am using currently ), ...
0
votes
1answer
524 views

PC Crush-Reboot After Exactly One Hour

My PC has been powering down and rebooting after exactly one hour every time I turn the thing on. It's been happening for about 3 weeks now. The spec of my self-built machine (rough in places sorry) ...
0
votes
1answer
89 views

Can 20pin PSU cause usb stick corruption

Getting constant usb stick corruption issues when using an old 200W PSU with 20pins with both NTFS and FAT32. Can the old PSU cause the corruption? PC is running fine otherwise (no BSOD, freezes).
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votes
1answer
146 views

Computer inoperational but motherboard LED on

My friend's computer switched off suddenly and since then nothing happens when you press the power button - no spinup, fans or anything. The only sign of life is that the motherboard LED is on. Is ...
0
votes
1answer
242 views

24-pin power supply will only work on 20-pin computer

A couple of days ago my PC's 24-pin ATX power supply began to make a bad, electrical burning smell. I took it off and replaced it with another (working) 24-pin supply I had lying around. That worked ...
0
votes
1answer
516 views

My ASUS 1005HA will not turn on

My Asus EEE PC 1005H refused to turn on this morning. No lights went on, and there's nothing on the display, it seems completely dead. It worked alright yesterday but I noticed this morning nothing ...
0
votes
1answer
276 views

About PSU calculator

1) WHat is the wattage after the calculation of the PSU calculator, such as this one? Is it the wattage I know to buy for my pc? If it said 450W, and I buy a less efficient, cheap PSU of 450W, which ...
0
votes
1answer
51 views

Power Requirements for my setup.

I understand that sometimes there may be a situation where the PSU is way more than required but in this case of mine, I'm not too sure. Sometimes when I play games, my computer will crash and ...
0
votes
1answer
445 views

xfx 680i motherboard failure?

At some point last night we must have had a blip in our power, as the stove clock was blinking like it would had their been... a blip in the power. When I came into my office this morning, my desktop ...
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votes
1answer
31 views

6 pin PSU and 4 pin motherboard

recently purchased a new gigabtye 970a motherboard. The only issue I have is that while the atx 12v port on the mobo is 4 pin, the PSU cable seems to be 6 pin. Is there anyway to work around this?
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votes
1answer
108 views

Constant beeping with new PSU, no video output

So, my friends computer is not producing video output. The monitor works, I've tried the CPU and RAM inside of my computer, so I know they work. On the initial build we forgot standoffs and the ...
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votes
1answer
87 views

Computer randomly shuts down with a fading alarm power button and CD drive

I am currently experiencing something very very odd. Having build my PC myself, I have never had any issues (or anything heat related). A few moments ago my computer shut down very randomly and ...
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votes
1answer
585 views

IBM ThinkCenter doesn't power up?

My old ThinkCenter M-8143 doesn't boot. When I press the power button nothing happens. It's a brand new power supply, so can't be an issue with the PSU. *If I remove the 4-pin CPU power connector ...
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votes
1answer
2k views

Computer won't power on except when I remove the 2x2 connector

My friend's computer wouldn't power on. The fans (and a blue LED near the power switch) come on briefly and then turn off immediately. I have removed the connections to the drives and the only PCI ...
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votes
1answer
96 views

NVidia GeForce GTS250 driver issue

Recently at a lan party, I used a GeForce GTx560 for which I installed Nvidia's 340.52 driver which worked perfectly fine. At the time I was still using a 32-bit version of Windows. I have since been ...