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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What purpose has this tiny clip on my power cable?

With the Asus N550J I bought, I received an adapter which has a tiny clip attached to it: As it seems, the exact same cable fits perfectly in that clip, as shown below: On this page some usages ...
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25 views

Using netbook motherboard in PC build, need way to press power button from 7-8 inches away

I'm using the case out of an early Sega Genesis/Megadrive to build a low power emulation/media PC. The following picture is an aerial view. The power button is on the top right, but underneath the ...
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1answer
24 views

Battery 100% still charging

I have a Acer AspireV3-772G running Windowws 8.1. My battery indicator shows 100% available ( plugged in,charging) status. I calibrated the battery but no difference. Also I have bought a new battery, ...
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0answers
20 views

Reason for computer not booting when power button pressed

I have a following problem starting my desktop computer and I'm trying to figure out the root cause. Most of the time it will just start normally when I press the power button. On some occasions ...
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1answer
21 views

Can a complete blackout damage a computer?

just last night a blackout occurred while I was watching a video on the web. I've got my monitor and desktop computer plugged into an extension cord and then into a power strip/surge protector. Both ...
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1answer
29 views

Will using 2x2GB ram use more power than 1x4GB ram?

I've recently upgraded my ASUS K45VD laptop from 2GB memory to 4GB memory by adding a 2GB stick. Then I got problems 2 times. The first time, asus's service said that the mainboard is down and they ...
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2answers
52 views
+100

Graphics card overheating at 65°C

I ordered parts for my computer a few weeks ago. PSU: Corsair CX 430 CPU: AMD FX 6300 GPU: GeForce GTX 750 Ti RAM: 4GB 1600MHz x2 Motherboard: Asus M5A78L-M When I assembled them, I realized ...
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2answers
36 views

Computer can be powered on once after new SSD install

My computer has a strange behavior since I installed a new SSD (Samsung Evo 840). When I pushed start button the first time after connecting the new internal SSD everything was ok. I managed to ...
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1answer
43 views

Attaching SCSI drive through USB

I have a number of wide, 68-pin SCSI drives for which I need to copy the data off. I have tried to use a wide-to-narrow SCSI adapter (68-pin to 50-pin) coupled with an Adaptec SCSI-to-USB adapter ...
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2answers
32 views

Can a power strip being turned off and on again damage a computer?

I have both my computer and monitor plugged into an extension cord and then into a power strip (I've checked, and both the extension cord and the strip can handle the load and have been handling it ...
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1answer
20 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 ...
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1answer
2k 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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0answers
11 views

Dell inspiron n4010 battery won't charge

I'm having a dell inspiron n4010 laptop. The battery was getting weak day by day and one day I used the battery to full of its capacity. From next day on wards the laptop won't power up with the ...
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1answer
21 views

Laptop does not turn on unless plugged in; battery works after powering on

I have a Dell Latitude D630 Laptop, which will only power up when the power adapter is plugged in. It will not power up on battery only. Once powered up I can unplug the adapter and it will run on the ...
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2answers
23 views

changing charger port on laptop

Is it hard to change the charging port on my Acer laptop or do I have to take it to the repair shop? Is there any way to charge it without fixing that port? I only need to charge it long enough to ...
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1answer
31 views

IDE HDD + USB to IDE + PSU + AC cable = external HDD?

I have couple of 40 pin IDE HDDs which I want to use as external HDDs. Also I have old 300W PSU with AC cable and plan to buy cheap USB to IDE converter like that: I'm not sure if I haven't missed ...
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1answer
49 views

Multiple cable adapter setup not working - VGA to smartphone. All cables tested and work

Issue Pictured overhead projector setup does not work. #1 -> #2 -> #3 -> Phone. All cables are tested and work! The issue is the HDMI connection between cable #2 and #3. With all other cables, the ...
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0answers
25 views

Force Windows 7 to think it is running on Adapter Power and not battery

Anyone know how to make a Windows 7 Laptop think it is running on AC Adapter power? This laptop (HP G62 series) has a usable battery which holds charge but it has a not-official power adapter which I ...
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1answer
17 views

What are the impact on underpowering my motherboard/graphic card?

I recently had to change my PSU and the one that was given to me has not enough power cables to fully plug every plug in the motherboard and the graphic card. It seems to work just fine though, and ...
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4answers
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
20 views

Computer can't boot

I have a 1 year old PC and the last weeks, when I press the ON button the PC doesn't power on ( Like I didn't press the ON button ). I have to plug and unplug a few times the power cord in order to ...
2
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0answers
54 views

Acer Monitor - No Response to Power Supply?

Model No is S231HL, for reference. As I was packing to leave my dorm, I unplugged it for the first time in a long time. It was working just a few minutes before this. I then realized I wasn't sure ...
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3answers
51k views

Is the 4-pin PSU connector required? (Trying to connect a PSU to a mini case.)

I am trying to build a computer, placing an ASUS P8H67-I DELUXE in a custom retro C64 case. The case is an extra small form factor which can accomodate the Mini ITX board, but requires an external ...
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1answer
101 views

What adhesive should I use to secure power jack on an Acer/eMachines laptop?

I was going to use superglue, not sure how it'd handle the heat though and I'd be afraid of it getting in the jack. Two way tape seems to be a plausible solution (I've used it in automotive ...
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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
2k 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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0answers
15 views

How to measure power consumption in Windows 8

I want to measure real time overall power consumption of my laptop and I would do it with a software. After some searchs on the web I found out that Microsoft developed Joulemeter, a software able to ...
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1answer
27 views

computer randomly restarting. both in game and out of game

first my specs are. AMD Phenom II x4 955 processor 3.2ghz 20gb ddr3 ram 4Gb Nvidia Geforce GTX 770 850w Corsair tx850w psu Gigabyte ud3 mobo Windows 7 professional I recently uprgraded my vid card ...
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0answers
26 views

Computer wont turn on - flashing light indicator

I am having a strange problem with my computer, and need a diagnosis... The computer was just fine yesterday, but today when I try to turn it on, the light indicator flashes, the fans also get a short ...
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1answer
174 views

CPU, GPU fans spinning at full speed after shutdown

My computer has been running fine for 4 years, but yesterday it starts to exhibit odd behavior: After I shut down the computer, the CPU and GPU fans start spinning at full speed (everything else ...
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6answers
8k views

Laptop screen turns off on removing power cord

After a recent upgrade to Windows 8.1 Pro from W8, my laptop's (an ASUS X54H) screen turns off as soon as you remove the power cord. It turns back on with no issues when you plug the power back in. ...
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1answer
29 views

Machine turns off with different graphics card; who's the culprit?

A machine that I own does run quite stable in its current configuration. It has been running with a GeForce GTX 295 for a couple of years. That card used quite a lot of power, produced lots of heat ...
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1answer
29 views

HP Elitebook 8530p's CPU Increases to 100% when Plugged In

I apologize if this post is too long or doesn't describe the issue properly. I have absolutely no idea why it is doing this, apparently it is a problem with HP computers or a particular strand of them ...
3
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1answer
109 views

What is the name of the cable inside PC cases?

Due to limited linguistic and technical knowledge, I do not know (and can not find) the name for the 4 pin (or perhaps 3?) plugs that are used inside PC cases to deliver electricity. My questions: ...
8
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6answers
15k views

If my power supply is 700w, do I need a 700w UPS?

if my power supply is 700w, do I need a 700w UPS? I am running dual 20" dell LCD's, a i7 quad core system with a radion 4870 1gb video card, 2 hard drives.
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1answer
33 views

my power supply is 400w, do I need a 400w UPS? [duplicate]

my power supply is 400w, do I need a 400w UPS? my cpu is pentium g620 2.60Ghz,2gb 1333mhz ddr3 ram,160hdd,nvidia gt210 1gb gpu,400w psu samsung 22" LED
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1answer
29 views

Moving to Sweden, bringing my PC with me. Shipping and Power query [closed]

In a few weeks I'll be migrating to Sweden, I won't be taking much with me, but I've got a custom built PC I've spent over £1000 on that obviously I won't want to leave behind. Two questions: What ...
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3answers
127 views

Why is my Windows machine restarting with Kernel-Power issues?

I'm experiencing lots of computer restarts (occasionally at very bad times, e.g. during a support call with a client). Digging into the Event logs gives me lots of Critical Kernel-Power errors: ...
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0answers
130 views

Why is my PC hanging when I insert a DVD?

I have a computer with a 500GB hard drive, an 80GB hard drive, and a CD/DVD drive running on a 450W Power Supply. When I connect the power supply to all the devices at the same time and insert a ...
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0answers
47 views

My computer restarts automatically when there is power outage and the monitor is turned on, using UPS power

I have a Zebronics Power UPS which backs up the system power at the time of power outage. I have no issues with that. But yesterday night I kept a movie to download and slept turning off just my ...
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0answers
82 views

Computer crashes on startup of 3D games

My computer renders games similar to Minecraft just fine, but games with more intensive graphics like: Planetside 2 Tom Clancy's Ghost Recon Phantoms Skyrim it crashes the instant it needs to ...
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5answers
26k views

Computer doesn't turn on, motherboard or CPU?

So this morning my computer wouldn't turn on. Pressing the power button has no affect. When I turn off the switch at the back and push the power button after turning it back on it seems for about half ...
0
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1answer
23 views

How to determine if I am having power supply failure

I have this server Dell Precision 690. It has powered and turned itself off a few times. In some cases it seems to also be in a sleep mode where you have to turn it off and turn is back on. Is this a ...
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0answers
36 views

cpu's fan increases without reaching a settle point

I'm encouterning the followning phenomenon on the hardware side of a pc: When powering up the machine, the cpu's fan (cpu cooler's fan accuratelly) is starting to rotate, but it doesn't settle down to ...
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2answers
25 views

Computer dims immediately when remove power cord

I have an Asus Windows 8 computer. Very strange, whenever I remove the power cord, the screen dims immediately. And very dim. The battery lasts for five hours -- but not much use if the screen is so ...
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1answer
49 views

Hooking Microsoft Surface Pro 3 up to USB monitor

I have a Surface Pro 3 and I tried hooking up my Toshiba 14" USB monitor (PA3923U-2LC3) to it with the supplied USB cord. The Surface reported that the monitor was attempting to draw too much power. ...
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1answer
26 views

Does a modular power supply come with all the cables?

I'm looking to buy a modular psu, because a non modular one is a complete pain. I'm wondering if all the cables will come with the psu. This is the one I'm looking to buy. ...
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4answers
3k views

Alternative power source for graphics card

I recently purchased an XFX Radeon HD 6870 graphics card for my Dell Server Workstation, but when I brought it home and unpackaged it to put it into my computer, I noticed it required 2 6-pin ...
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2answers
45 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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5answers
1k views

Motherboard HDDPWR1 connector

I need help identifying the name of a connector. I have a Gateway DX4870-UB318 computer, I opened the case and wanted to attach another hard drive, but to my surprise one existing SATA hard drive was ...