All Questions
Tagged with power-supply power
468
questions
1
vote
2
answers
101
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 ...
- 1,042
7
votes
1
answer
1k
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 ...
- 1,967
4
votes
2
answers
2k
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
https://www.apc.com/resource/include/...
- 1
1
vote
1
answer
925
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How to fix Asus Eee PC 900 startup issues after failure?
My Asus Eee PC 900 shows no signs of life.
I push the power button and get no response from anything. No lights, no power, no boot-up screen.
It has been like this since I received it from a ...
CommunityBot
- 1
1
vote
1
answer
1k
views
Why would 80PLUS not certify any 115V power supply as "Titanium"? [closed]
80PLUS.org lists a set of efficiency requirements for correct supplies for both 220V and 115V main power voltages. However, for the 220V ratings, all manufacturers are held to a slightly higher ...
- 62k
0
votes
2
answers
306
views
Is it possible for "cruddy" computers cases to have faulty on/off buttons?
I can't quite pinpoint this problem.
About 6 months ago I purchased an incredibly cheap computer case, and an incredibly cheap power supply from NewEgg.
After I overloaded the powersupply 'til the ...
- 1,066
0
votes
5
answers
11k
views
How does a laptop wattage compare to that of a desktop computer when their AC Adapters don't even list wattage? [closed]
I have several laptops of various brands. Each has an AC adapter that's designed for the specific computer it came with. I also know there are universal adapters can adjust their voltages ...
- 27.9k
4
votes
2
answers
651
views
Is it ok to run a system with a PSU that idles at only 10% of its capacity?
I'm building a system based on a Sandbridge cpu with H67 chipset that will only use the onboard video. Other than that it will have only a cd drive and one HD. After checking different power ...
CommunityBot
- 1
1
vote
1
answer
568
views
Intermittent charge on my Macbook Pro
I have a 2010 Macbook Pro with a MagSafe T Power adapter.
The power adapter makes a buzzing/hissing/fuzzy noise when it is plugged into the wall.
When it is plugged into my mac, my light turns green ...
- 567
0
votes
1
answer
223
views
Will my PSU be powerful enough if I upgraded my Video Card?
My current specs are:
Thermal Take TR2-470NP 470W
Asus M2N-X
AMD Athlon64x2 4200+ (Windsor)
2x1GB 667 DDR2
A bunch of HDDs (1 IDE, 3 SATA)
7600GT
If I am calculating it right, my current power ...
- 18.9k
2
votes
2
answers
592
views
220 v power adapter plug for inspiron mini 10
I have a US Dell Inspiron Mini 10 and I'm travelling to a European country that has 220 v power. How do I find out if I just need the adapter plug or if I need to have a power converter from 220 to ...
- 32.6k
0
votes
1
answer
223
views
Laptop Power Failure - Things to check
I am looking at a laptop (Make and model escape me, but I don't think that will make much difference at the moment) that will not power on or receive charge according to any status lights.
I have ...
CommunityBot
- 1
0
votes
1
answer
158
views
Determining how powerful a power supply to get - [duplicate]
Possible Duplicate:
Power Supply Capacity Formula
I'm adding the TDPs (Thermal design power) for the GPU, CPU and HDDs and adding 20% of that subtotal for the motherboard, fans, etc...
Is this a ...
CommunityBot
- 1
2
votes
1
answer
813
views
Computer turns off and on after start ..then goes dead
I built a new PC from the following components:
- CPU: Intel Core i7 950
- MB: Gigabyte X58A-UD3R
- RAM: 2x2gb i7 Corsair memory
- VGA: Zotac AMP2 GTX260
- HDD: 1 GreenSATA HDD (Western Digital 500gb ...
- 877
3
votes
1
answer
7k
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Possible dangers of using a power inverter to charge a laptop
I'm going on a road trip soon and want to be able to use an HP Pavilion dm3 1030us in the car (no, not while driving). I could get an HP Smart AC/Auto/Air adapter but it's coming up on the last minute....
- 58.4k
1
vote
1
answer
2k
views
Self-powered USB hub and power supply adapter ampere capacity
I am looking for a power supply adapter for my USB Hub so it can support at least 2 bus-powered external hard drives. The hub's rating is 5 volts, 2 amperes.
I would like to know if it would be OK ...
- 42.9k
1
vote
2
answers
1k
views
New PSU vs. Old PSU - Are they different sizes?
I want to get a new PSU soon, and I want to get this one. Problem is that I'm not sure if it will fit in my PC.
My PC is a HP a6500f and it comes with a stock 250W PSU. From tinyurl.com/ncz2vl it ...
- 24.2k
9
votes
2
answers
4k
views
Power Supply Capacity Formula
Given that I am building a home computer from scratch and I have several components (MB, CPU, HDD, Video, Sound, etc) which have specific power requirements, is there a formula for me to calculate the ...
- 10.4k