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Cellphones

by compufreek

Mobile phone tracking
details
Hello!
I was thinking of a little project for myself ... is there a cheap (if not gimme the expensive one) way to track a mobile device in a area ? Like if i get some sort of devices to set up a radious in a feald and then i would be able to get the locations of a mobile phone (i know i would need 3 such devices or more for triangulation)
i just need to know if there is a way to do this without that person knowing (dont need additional software on the phone itself) so when someone with a mobile... Read more →
cbibbs

by cbibbs

Any real reason to build your own PC any more?
details
Let's be clear: I love building my own computers. I've been doing it for more than 20 years and I won't stop any time soon. It used to be more cost effective. Then it was the only way to get certain high-end parts. But now? Now I just do it for fun and I justify it as part of my hobby time away from the family. Does anyone else have a better reason?
eithel

by eithel

What are your preferred brands when building PCs?
details
I generally use Corsair or Sandisk for memory (SSD and RAM), Corsair for the PSU, CPU Cooler and chasis. As for GPU I generally go with nVidia as I have had bad experiences with AMD.
dave

by dave

The PirateBox: DIY project for anonymous offline file sharing and chat
details
http://i.imgur.com/CYQyUpp.jpg
I just heard about the PirateBox, a really cool DIY project that uses off-the-shelf parts and open source software to create a private network with support for sharing files and communications via a simple message forum. It kind of reminds me of the old private bulletin board services way back in the day.
Anyway, it seems like something that could be useful for small neighborhoods or in places where Big Brother's watchful eye might inhibit the dissent. Some sort of... Read more →
Keyboards

by dave

Options for a "modern" KVM switch?
details
On my desk at home, I have one monitor, a keyboard, a mouse, and a decent set of speakers that are ultimately shared between 3 machines:
  • Windows 7 gaming PC
  • Mac mini for personal use
  • Macbook Pro work computer
Awhile ago, I purchased The-World's-Crappiest-KVM-Switch™. It was about $35, let me "switch" between 2 devices (more on that in a bit), had a few USB 2.0 ports, and your standard assortment of DVI connectors. Also, it was ugly -- it has so many cables coming out from every surface it looks... Read more →
enget

by enget

Asus G50V plugged In, Not Charging
details
Facts
- Asus G50V
- Not Under Warranty
- Replaced Battery about a month ago with Asus G50V Battery
- Clean the Circuits to battery
- Screw Down The DC Port Under Inspiron Sign Inside Computer
- In one post it said to reset the battery settings but not AC settings.
- Removing and Inserting AC Adapter -- In Sexing Style -- Which Is Temporary Working For Me.
One day after all was good the Plugged In Not Charging came up (AGAIN). I came up to a post to keep removing and inserting my ac adapter in my... Read more →
kabiniq

by kabiniq

HP ProBook 6570b Laptop Battery User Tips:
details
1. How to keep HP ProBook 6570b battery healthy?
Laptop battery packs should be charged for 12 hours when you first get them. Laptop batteries are completely discharged at the time of purchase, and need a full charge before their first use.
2. How to Extend the HP ProBook 6570b Laptop Battery Life
According to statistics, a typical laptop battery last long for 500 charges / discharges cycles. If you want yourbattery for HP ProBook 6570b to last longer than this number, remove the battery whenever... Read more →
zhenai

by zhenai

DELL Alienware M17x Series laptop battery tips :
details
1 . Do not short-circuit . Short - circuit may cause severe damage to the battery of your laptop.
http://www.cbatteria.com/dell-alienware-m17x-series.html
2 . Store in a cool, dry place ( suitable temperature is about 15 ℃ . Prior to storage , you must ensure that the battery is not completely discharged . If empty, charge for about 30 minutes.
3 . General Lithium - ion DELL Alienware M17x battery should be stored at about 40% state of charge of the battery laptop batteries self-discharge can...
Desktops

by kris

Do you give your computer a name?
details
I've had a computer for over twenty years now, and I remember when it was de rigeur to always give your machine a nickname—maybe after your favorite sci-fi or cartoon character, or maybe even a beloved relative. Now we might replace our devices on a yearly basis, and it seems silly to give them names since, after all, why get sentimental about something that's going to be replaced in short time for something slightly better?
I don't replace my devices that often, though, and as I consider... Read more →
scherm

by scherm

Dell Latitude E6400 battery replacement doubts
details
Hi all
I have a two year old Dell Latitude E6400 laptop. For the past couple of months, the battery has begun to seriously deteriorate in performance... If the laptop is switched off with full power, by the time I boot, only 5 minutes is now available before it turns off...
Hence, I am looking at replacing the battery. The following are my doubts
1. The laptop was purchased in the US. Will there be any difficulty getting replacement battery here?
2. Should I contact Dell or will local stores have... Read more →