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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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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3answers
669 views

New power supply and now HDDs are not recognized

So I upgraded to a new X4 ULTRA power supply that was recommended to me by a local TigerDirect store. After installing it along with a new liquid cooling system, I booted it up and it automatically ...
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519 views

Suspected power supply issue? PC repeatedly whirs for some seconds and then dies

I've come home today and switched on the PC I've built a few months ago only for the machine to whir for a few short seconds and then die. It repeats this until I disconnect the power lead. Nothing ...
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187 views

Computer sometimes doesn't boot after power failure, what should I replace?

I have a new computer that behaves strange after a power failure. When I switch off the computer it will not boot anymore. Completely unplugging the computer for about an hour cures the issue for the ...
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316 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 ...
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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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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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500 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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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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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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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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52 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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52 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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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
88 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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59 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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2answers
270 views

Computer will freeze/ lock up after doing relatively stressful things

I'll first start off by saying that the issue GENERALLY doesn't occur unless I'm doing something remotely stressful for my computer. This issue used to occur whenever it felt it was necessary, however ...
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2answers
96 views

Computer won't power on at all

So, this morning I woke up and my computer won't power on at all. There's no beeps, no lights (though I don't think my motherboard has lights on it anyways?). I plugged in my brother's PSU and it ...
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2answers
258 views

Old HP computer powers off after seconds, hard drive still spins. Power supply? Motherboard?

Someone called me saying their computer keeps shutting off. I brought it home to troubleshoot. It's an HP Pavilion 513c The computer powers on normally, but almost immediately powers off. ...
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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 ...
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2answers
226 views

Central Processing System gets Hot

I have an Intel Desktop Board with an Intel Pentium D processor installed. My problem is that the processor stays warm when idle i.e. 55 degrees C . But under load the temperature rises drastically ...