Power supplies for desktop computers are a standard design, but vary in output power. If you have more powered components - hard drives, optical drives, graphics cards etc. in your machine you'll need a larger power supply. This is the main consideration when upgrading your computer. Power supplies ...
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2answers
38 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 ...
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0answers
7 views
HP Desktop LE251pa not powering up
My HP Desktop LE251pa is not powering up, the fan of the PSU turns on, then off then on and so on. From there when I pull the power cord from the PSU the computer makes 3 short beeps.
Im wondering if ...
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2answers
43 views
How can I wire my case fans to be powered by my PSU and not motherboard?
My case fans are plugged into my motherboard and I have no more slots for fans. I read from a source on yahoo answers I should wire all my case fans to a molex 4 pin adapter--and plug that directly ...
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4answers
87 views
What Can I Do With US Laptop's Power Plug's Ground Pin?
DELL Latitude E6420 that i have got in USA has this plug:
While i have these 2 UK adapters:
Usually neutral and live fit, but ground pin creates here a problem as the plug won't fit into israeli ...
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2answers
50 views
Can I safely use a PSU with an ATX 12v 4-pin for a board that has a EPS 12v 8-pin?
There's many similar questions to this, and because the answers vary depending on the setup, I want to ask for my friend's specific setup.
He recently upgraded to a Core i5 gaming build, so he has ...
0
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1answer
38 views
Is My PSU compatible with this UPS
I have this PSU and this UPS, however due to the PSU being/having an active PFC (power factor correction) it is incompatible with my UPS (at least according to APC tech support, for reference see my ...
1
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2answers
45 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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0answers
18 views
Computer Stalls 5 minutes after cold boot
My computer stalls about 5 minutes after a cold boot.
I let it warm up, restart it and then it'll work fine until next cold boot.
Issue happens in XP, Win Vista and Win 7 (even happened during an os ...
2
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0answers
54 views
Quiet green PSU for a Mini-ITX NAS [closed]
I'm building a NAS for home use and I've selected the ASUS E35M1-I which is a AMD Hudson M1 Mini ITX Motherboard with 6 SATA slots but I'm not sure what would be the best PSU for my money and energy ...
3
votes
3answers
103 views
Computer hangs due to underpowered UPS?
I just bought a new UPS. Now since I started using it I experienced at least 3 random freeze in Windows 7 and it happens during the first 10 minutes of start-up. Note when I say freeze, I mean I ...
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2answers
54 views
Can I replace a power adapter of 1.5A with one of 1A?
I have a Western Digital external hard drive that uses a power adapter to 12v and 1.5A, and it stopped working. I tried it with a tester and doesn't output any current at all.
Can I replace it with ...
1
vote
4answers
143 views
Does a UPS charge it's battery even if my computer is turned on?
I bought a new UPS and the manual says something like "the UPS must charge for 24 hours before it can work properly..."
My question is, does it charge even if my computer is turned-on or should I ...
4
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2answers
47 views
Why does my computer randomly power off?
Situation:
have a 6 year old PC but it powers off randomly, sometimes it will take a few hours, or sometimes it won't happen at all
when it does happen, the system loses power, but the mobo power ...
2
votes
0answers
59 views
New Power Supply doesn't work with a specific motherboard
I just bought a new power supply Corsair CX430 V2 in order to meet the needs of a new graphics card I hope to install. The motherboard is the micro-ATX form factor Asus P5KPL-AM/PS running a Intel C2D ...
1
vote
3answers
186 views
Asus P8P67 Rev. 3.1 Motherboard issues powering on and saving settings
Edit: New Information
Have some updated information from the old question below:
So basically my issue right now is somewhat similar, but I've been able to rule out a couple of things. I don't think ...
0
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0answers
24 views
Is it possible to have a bus-powered Thunderbolt device which also supports daisy chaining?
I've noticed a new Thunderbolt drive which supports daisy-chaining but not bus power [1], and a competitor's Thunderbolt drive which is bus powered but only has one Thunderbolt port [2].
I'd like to ...
0
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1answer
53 views
How to find out if cpu is overheated
From past few days my computer automatically turn off. This happens after 2-3 days. I am thinking of three reasons
I think i have very cheap grade power supply and may be that is not able to supply ...
5
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3answers
217 views
Should I worry about the noise my PC makes after installing a second GPU?
I recently installed a second graphics card (ATI 5770 in crossfire), and cleaned out a lot of dust from the PC. For some reason however the 'fan noise' is much louder, and I can only think of a few ...
2
votes
3answers
70 views
invincible laptop motherboard solder
My laptop has had a wobbly DC power jack and intermittent issues making a connection and charging for nearly a year. Yesterday I finally decided to bite the bullet and replace the jack. Removing it ...
1
vote
2answers
48 views
The swan song of an ATX PSU
My PC was unplugged for 3 weeks. Came back, plugged it into outlet and
turned it on, then came a mighty BANG and smoke. The PSU is (was) a 5.5 years old Antec TRUEPOWER II TPII-380 380W. Would this ...
2
votes
3answers
238 views
BSOD In Windows 7: BAD_POOL_HEADER error after standby, maybe SSD related?
Sometimes (not always) when I raise my computer from standby (not hybrid mode), I get BSOD (after a bit, around 30 seconds). This problem exists since when I bought it, around 1 year ago.
I would ...
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1answer
67 views
Computer Restart : it shutdown but it never power up
I am seeing an used desktop computer with MSI motherboard and runs Windows XP,
the problem is when i restart the computer using Windows >> shutdowns >> Restart, the computer shutdown but never power ...
6
votes
1answer
42 views
Power Supply Units - Is The Watt the whole story? [closed]
I wanted to buy a new PSU I narrowed it down to 2 options :
1)Theres a PSU by Antec that costs 655 (NIS) which provides 900W. Now, Antec is a very well-known company and they make awesome products. ...
0
votes
1answer
53 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 ...
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1answer
45 views
Power Cord Ratings (Volts, Amps) for Monitor?
I recently bought the HP w2228h monitor on the cheap locally. It didn't come with a power cord and I was amazed at the price of the HP 8121-0739 power cord that originally comes with it.
I am not ...
1
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3answers
148 views
Graphics card doesn't seem to be getting enough power
I just got a new PSU to replace my old one that smoked itself out. My system specs are as follows:
AMD Phenom II X4 810
2GB memory
Pretty standard Gigabyte MB
CD drive
WD Caviar Blue HDD
Sapphire ...
2
votes
1answer
84 views
Adding more drives to motherboard with two SATA slots only?
Hardware n00b, building a freeNAS 8 box.
Motherboard has 2 SATA slots:
http://www.jetway.com.tw/jw/motherboard_view.asp?productid=309&proname=M26GT3-SVP
All 3 PCI slots are empty.
I have 3 more ...
0
votes
1answer
43 views
AT power connector wiring?
Ok, I have an old Compaq Presario Socket 7 motherboard from a ~5000 series Presario. A long time ago I let my brother borrow the power supply, and he tossed it claiming it "didn't work". Of course, I ...
2
votes
2answers
77 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
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0answers
29 views
Power supply and an underperforming GPU
I just installed an Radeon HD 6950, upgrading a Radeon 4850, but I'm seeing no difference in frame rates on my games. I've updated all my drivers, flashed the motherboard bios, and done clean installs ...
3
votes
2answers
88 views
Do I need to turn off my UPS when I power off my PC?
Do I need to turn off my UPS when I power off my PC?
Or, put differently, is it okay for the UPS to be turned on all the time?
1
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1answer
219 views
Inadequate Power Supply - Can I upgrade Video Card on Dell XPS 8300 to assist Video Editing?
I have a Dell XPS 8300 with i7-2600 and 16GB RAM. It has a Radeon 6450. It also has an amazing (as in, incredible) 125 Watt power supply. Somehow, it runs.
Recently, I wanted to work with video from ...
2
votes
0answers
62 views
Normal PSU voltages?
So i've been having some freezes here and there. After checking out my temps (normal), my memory (ran memtest x86 for 3 hours with no problems) and a cpu stress test (also, no problems), I decided to ...
2
votes
2answers
141 views
What does a recommended PSU from motherboard include?
I'm looking at getting an Asus P5G41T-M LX G41 motherboard. In the manual here, it states that a minimum of 400 watt PSU is recommended. My question is, what is this figure including as I can't quite ...
0
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1answer
27 views
power supply “compliant standards”?
I'm looking at specifications posted for various PSUs and they have a section labelled "Compliant Standards" and lists things like CE, UL, TUV, C-Tick, BSMI, cUL, CB, CCC, FCC, RoHS.
What do these ...
1
vote
2answers
50 views
Issue with Machine, not sure if power supply
Friend of mine has a rig that has just mysteriously "stopped working". I wasn't there when this occured, so I've decided to take a look at it.
Upon trying to turn it on, the fan on the back of the ...
6
votes
1answer
111 views
External “power brick” style PSUs - are they reliable enough?
Keen to build a quiet, power-efficient always-on HTPC/media server, I've been looking at mini ITX boards that have their own external power-brick style power supply. These appeal because they are ...
4
votes
1answer
77 views
GPU running underclocked / under normal speed?
I have tried to overclock my card. Seemingly it worked, and the GPU-z shows the OC speed (see GPU3.png). However, current readings are REALLY far from the normal speed of the GPU. That's what I can't ...
4
votes
2answers
81 views
Will a 300W UPS work fine if my PSU is 500W?
I am getting a UPS (Uninterrupted Power Supply), currently here are my options:
http://www.apc.com/products/resource/include/techspec_index.cfm?base_sku=BE500R-PH
...
0
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0answers
45 views
Saving enerygy by switching between onboard and dedicated video card
This is probably common sense but I like to make sure.
Is unplugging just the power supply/cord from the video card (while keeping the video card installed) provide the same energy saving effect or ...
0
votes
1answer
101 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
62 views
charging laptop with a different adapter charger [closed]
Possible Duplicate:
charging laptop with a different manufacturer's charger
I have lost this adapter,
Output Voltage: 19V
Output Current: 3.95A
Input Voltage: 100-240V
Wattage : 75W
...
1
vote
2answers
184 views
My laptop has a three prong grounded plug. Does it need the ground pin?
I recently bought a minivan that has 110V power outlets. I'd like to use my laptop in the van sometimes (not as the driver, of course), but my laptop has a three prong grounded plug, and the outlet is ...
1
vote
2answers
55 views
Power supply triggered to start by another power supply
I am building a raid array in a separate enclosure. I will be putting an empty tower case next to an existing tower computer, and this second tower case will only hold hard drives.
There are many ...
2
votes
2answers
94 views
Selecting a quiet ATX PSU
I currently have a Corsair CX430 V2 PSU in my desktop:
However, it's extremely loud, especially when I do any resource intensive work (running a VirtualBox instance, playing a game, or just on a hot ...
13
votes
3answers
791 views
Why does my PC successfully boot only when unplugged for more than a few minutes?
I have an HP Pavilion Elite desktop computer, model HPE-490t. I like it because it didn’t cost too much, boots itself from an SSD, came with 16 GB of RAM, and has 6 CPU cores for editing video and ...
0
votes
1answer
46 views
Floppy Power Connector vs Molex
Reading about different equipment and a review I read said that the hardware uses a Floppy Power Connector how is that different than a Molex connector and if the hardware needs a Floppy Power ...
1
vote
1answer
41 views
Graphic Card and Power Supply Connectors?
I am looking at this card to purchase and it says that it requires a Available standard power connector from power supply
My question is - what is a standard connector ?
0
votes
1answer
195 views
How to determine how many watts my power supply has?
What is the easiest way to see how many watts my power supply has?
Can I see this by viewing something on my computer or Do I open up my PC and look and where on the power supply should I look?
0
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2answers
47 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 ...
