Purchasing a Acer TravelMate 4000 AC Adapter

The laptop ac adapter is used to recharge the battery in a notebook and to provide dependable power for operating the notebook for long periods of time. If an power adapter for Acer Travelmate fails it will not recharge the battery and it will not provide power to operate the laptop without a battery. You can test it first to see if it is defective. If it is time to get a new adapter for the travelmate computer, here is the basics you need to check when choosing a new one:

Output Specs Voltage and milli-Amps(current)
Regulated /Un-Regulate
Connector plug size/Output Polarity
Step 1. Determine the desired output specs of the AC adapter. For Travelmate 4000, the output current is 3.42A and output voltage is 19V. This can usually be found on the old adapter, the electronic device, or the instruction manual of the electronic device. When selecting an adapter, you will want to match the voltage & current as closely as possible. If an exact match is not available, as the excess voltage could damage the electronic device, it is better to to choose a new adapter having the same voltage and higher current than the specifications require. This will work too and provide more power to your laptop.

Step 2. Decide if the adapter should be regulated or unregulated. A regulated AC adapter guarantees that the output voltage will always be constant. Therefore, regulated AC adapters are also generally more expensive than unregulated ones. It is ok to substitute a regulated adapter for an unregulated one (the downside being added cost), however, Do Not use an unregulated supply in place of a regulated one!

Step 3. Check the polarity of the Acer TravelMate 4000 ac adapter. Polarity determines the direction that current flows; if the current from the adapter flows the wrong way for the intended electronic device, the device may be damaged. It is important to be sure that the polarity of the adapter and the laptop computer match. NEVER choose an adapter with the wrong polarity as this can damage the equipment.

Step 4. Determine the size of the adapter plug. Plug sizes are normally measured in millimeters(mm). The plug size of Acer TravelMate 4000 is 1.7mm x 5.5mm. If the plug size is the only thing wrong with an adapter, meaning that its voltage and current ratings, whether it is regulated or unregulated, and its polarity all match, it is possible to splice a new plug onto the adapter, as many electronics stores do sell just the plug in different sizes. However, you must make sure that the new plug maintains the same polarity as the old one, meaning that the wire that connected to the outside surface of the old plug still connects to the outside of the new plug, and that the wire that connected to the inside surface of the old plug still connects to the inside surface of the new plug.

Step 5. Read the labels on your original Acer TravelMate 4000 power pack before choosing a new one. Buy a new power cord that meets all of the requirements mentioned above.

LaptopTraveller.com: The #1 destination for online Acer laptop accessories-- Acer laptop batteries, ac adapters, power cords, laptop carrying cases for Acer TravelMate, Aspire Series and so on. http://www.laptoptraveller.com/

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How to Color Profile Your Monitor and Printer With ColorMunki

As a photographer I am constantly challenged by the colors on my screen not matching up with what I saw in the camera or not matching on the printer when I print out the production images. Today, I am reviewing the ColorMunki Photo monitor and print calibration system. The ColorMunki Photo system consists of a Swiss engineered spectrophotometer calibration device and software. The system is capable of calibrating your monitor, matching your monitor and printer and calibrating your projector. And it does all of them quite well.

I purchased my ColorMunki unit on Amazon and paid under $400 for it. After unpacking the unit you will need to calibrate the unit for the first time. The instruction book included with the unit is quite terse and not very helpful. Luckily for me the on-screen instructions and video helped decipher the steps.

The task of calibration is not quite a user friendly as I would want (or else I am a little more dense than normal users). It consists of following the directions on the screen while turning the big dial on the side of the unit. I had a harder time than usual because the dial was very hard to turn and I had to perform the steps several times before it took. There are instructions on the screen and they are color coded to walk you through the process. You would think I could handle it a lot easier than I did.

After you finish with the initial calibration of the unit you will see on your screen. Displayed is the main menu where you will have the choice of:

Match my printer to my display
Profile my display
Profile my printer

Profile your display

The first task I did was to profile my display. After pressing the button the program will guide you through the process. You will first place the ColorMunki unit in its pouch and hang the unit as shown on the front of your screen. The provided carrying pouch has some sand weighted handles that flip over the back of the LCD screen to expedite the process.

You then start the program and it rotates through several color screens to develop a monitor profile to be used on your monitor. You can use the ColorMunki Photo to calibrate multiple monitors that you own and each will have its own unique color profile. The profiling program takes your screen through a series of colors: red, blue, yellow and shades between black and white.

Match your monitor to your printer

Once the monitor calibration process finishes the program creates a monitor profile that you can save. You the can proceed to the next step in the process of matching your monitor to your printer.

You are first asked to print out a color chart on the printer that you will be using for printing. You should use the type of paper you will be printing (glossy, matt, fine art, etc.). You will perform this process for each type of paper you use.

The color charts consist of several rows with squares of color in each row. The color charts are then used by placing the unit on top of printout and sliding ColorMunki unit down each row of the chart until the screen instructions say to move to the next row.

This part was fairly tricky in that I had to perfect a smooth drag across the row of colors. I had to do the first rows about six times before it registered and I got better with each row until toward the end where I could get them in one pass.

After this printer profiling process you will get an.icc printer profile (used internally by your photo printing program like Photoshop during the printing process) that is unique to your monitor and to your printer using one type of paper. You will need to run the printer profiling process one time for each type of paper that you use.

The ColorMunki Photo is a powerful monitor and printer calibration system that results in finely tuned color profiles that match your monitor with your printer. For those that make a living from photography this will set you apart. Now, the only thing you have to do is to take pictures that are high quality, because this system will report true colors on both your screen and your printed output.

Examples of color corrected images can be seen on my web site at: Randy Jackson Images.

Randy Jackson is an experienced Arizona photographer. His photography is about nature and events such as public functions and sports. He writes about photography and technology on his blog and displays his work at a photography site. More information can be gleaned about Randy at his blog: Random Thoughts of a Photographer.

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Samsung LCDHD - Should I Choose an LCD Or Spend the Extra Money For a Samsung LED TV

The samsung LCDHD has made incredible strides to overcome what it was lacking in contrast and reproducing a "true black" background. samsung LCD flat panels have even given a little ground to samsung LED tvs by incorporating LED technology in their higher priced LCD TVs. This caused a bit of a stir in the industry. So to complete the vie for supremacy, Samsung LCD flat panel TVs also come with a lot of extras such as USB ports and direct access to internet content.

But really, what is the trade off? LED is capable of getting that true pitch black needed for improved HDTV viewing-without any light bleed out. That is to say with an LED TV you could have a black background with-say the Stay Puff Marshmallow Man in the foreground. On an HDTV LED set, the Stay Puff guy should be clearly defined. On traditional LCD sets, Mr. Mallow would have a slight halo around him. Is it noticeable? Yeah, to some it is.

The new Samsung LCDHD has taken great pains to reduce the fundamental issues with this and at this point they've come the closest to eliminating light bleed-out-or a nice shade of dark purple where everything should be black. But a pure HDTV LED set can run you around $1,000 or more for more or less the same size tv. We're talking about a difference in the shade of black that Rembrandt probably wouldn't notice right off.

The Samsung LED tvs are slimmer. Samsung has managed to get their thickness down to something like 1.2". Along with being slimmer they also end up being lighter (weight wise) than the Samsung LCDHD models.

Forgetting about black-on-black for a moment, let's look at the other HD issue: motion blur. The big advantage HDTV LED has over true LCD is motion blur. However, even that is being overcome by Samsung. Pixel response time to avoid any degree of blurring needs to be roughly below 16 milliseconds-Samsung has gotten theirs down to four. Other factors not related to your flat panel can contribute, but eliminating one is a giant step forward. Samsung LCD HD has come through on this promise.

You have the facts, but really whether or not a $500-$1000 price increase for LED is justified by your immediate needs is up to you. The differences are not night and day at this point; Samsung has blurred that line when they un-blurred HD motion.

For a review of the complete line of Samsung LCDs check out the Samsung LCDHD page or for a review of the Samsung LED lineup check out the Samsung LED page at the Family Home Theater Guide.

The Family Home Theater Guide is an informative guide to home theater, with a particular emphasis on family entertainment with information and reviews on home theater equipment and design ideas for the perfect home theater.

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Canon PowerShot SX10IS Review

I upgraded to SX10IS from the prior S5IS model, and I must say that it was definitely worth it. I should mention that I'm in no way a power user, a professional photographer. I don't make my living off this camera, but I am very fond of photography as a hobby. I need good quality photos without much hassle, and I am quite picky about this!

This model comes with lots of nifty features, but there is still lots of room for improvement. I will start off by showing the pros, the reasons I fell in love with this camera.

- Proper face recognition. The feature kicks in from the default settings, no need to adjust anything. Point to your friends, click the shutter button and the camera will figure out the faces and adjust the lighting.
- Intelligent red eye removal, without the use of an extra reduction lamp or pre-flasher
- Memory card door is now separated from the battery door. At times I just want to take out the card from my camera and replace it with a blank one. With previous models I had to switch the camera off, remove the batteries, then remove the card. I was wasting precious seconds.
- This model beats its competitors at the quality of pictures at high ISO settings. With the continuous improvement from model to model since early versions, this was quite expected.

Now let's get to the downsides.

- I would like to see a bigger rotating display. Granted, it's usable as it is now, but having it half an inch larger would be so much better.
- The compression of movies leads to loss of quality. I would like to have an option that would allow me to choose the level of compression and warn me about the possible losses. Right now it doesn't say anything. I haven't used it much for film making though, maybe the reduction in quality was just a wild opinion. However, this is definitely worth testing before you buy the camera.
- The shape is a bit boxy and the grip is a bit abrupt. However, this is a matter of personal taste, you might like it this way.

All in all, the SX10IS is a great model, suitable for all low to middle end camera users. The set of features it comes with are easy to understand by even the most un-techie photographer.

Getting the perfect camera, is never an easy thing, especially with the way digital technology is constantly changing. Fortunately, there are plenty of helpful websites online, that can narrow down your search and help you find the camera with all the features important to you.

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Nokia N96 Makes Its Debut on O2 UK - Nokia N-Series N96

The newest member of the Nokia N-Series range of mobile phones has now been made available in the UK, the Nokia N96 can now be purchased on O2 network, pay monthly contract tariffs. The most anticipated mobile phone to come out of Nokia's R&D labs this year is finally available in the UK, the mobile phone related forums and blogs have been consistently buzzing for over 12 months now with news of the Nokia N96 and in particular its rumoured release date.

This new N-Series phone represents the very best in technology that the manufacturer has to offer, they use this range of phones to show off their latest technological achievements and so understandably there is a dedicated following of N-Series enthusiasts.

The Nokia N96 is a direct upgrade to the extremely popular Nokia N95 and the more recent N95 8GB, the outer shell and dimensions have not changed dramatically however there is a stark difference in that the N96 has far more rounded corners and a sleeker overall design.

The impressive 5 megapixel camera has been retained from the previous model but the new features and technology really set the Nokia N96 aside from all previous models.

The Nokia N96 mobile phone is a modern epiphany taken directly from any mobile enthusiasts dream of the next big thing, as contained within the smooth stylish case of the Nokia N96 is an abundance of features that leaves no space un-utilised.

Immerse yourself in the impressive array of entertainment features included with the Nokia N96. Use the 2.8" display screen to watch high-quality videos with mind-blowing sound effects and the 16GB's of internal memory which will allow you to store all multimedia files.

Nokia's latest 5 mega pixel camera is immense, the built in GPS receiver is pinpoint perfect, & the 16 GB memory is huge. Add the latest mobile hardware of a DVB TV broadcast receiver and you begin to understand the baited anticipation surrounding the Nokia N96.

The Nokia N Series takes another leap forward in the shape of the new Nokia N96, a handset that's sure to create waves through the mobile phone world. Perfectly sculpted and technologically engineered the Nokia N96 is a mobile marvel fully packed with the latest advancements and elegant refinements that make it so easily admirable.

Although initially released on O2 the Nokia N96 is expected to be launched on further UK networks in the very near future, both retailers and networks have been fighting amongst themselves and negotiating with the UK networks to seal exclusive deals for this much sought after handset, only time will tell who has managed to seal approval from the manufacturer for that elusive exclusive agreement.

The new Nokia N96 is one of many phones from the N-Series range, for more detailed information please refer to our online mobile phones shop.

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Crazy Free Computers

Have you ever wanted some crazy free computers online? I know I have, and I want more every single day. So... how would one go about getting some free desktops on the internet? Many ways are available, but some may only give you false hope and nothing near to a crazy personal computer.

What you do not want to do is to find computer offers that don't actually send you anything. If you do this, what is the point of even spending the time trying to get one? There are a few ways I like to get my free electronics, one is to sign up for free offers advertised by large electronic corporations, the problem with these are that many, many other people are doing the same thing you are and therefore the lists for these become outrageously long.

Lately, I have ventured into the freebie world to get crazy free computers. These are online web portals which offer free electronics in return for you feedback and completed surveys and requirements. Have you ever spent an hour online doing absolutely nothing? Well then, this is perfect for you! An hour of your time filling out the essential information such as your shipping address and completed requirements, you could have a free computer or laptop even if you are a college student, un-employed, disabled, a senior, or even if you are a military member. I have received over $5000 dollars worth of electronics in the past few years by completing these. Start yours today!

So you want that computer today, don't you? The easiest way is to check out Crazy Free Computers or http://www.freelaptopspronto.com... What are you waiting for?

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Nokia N91: Importance of Being N91

The Nokia N91 model of the Nokia N series comes in the colour of Grey Chrome and Light Chrome. Depending upon the carrier or service and the region, the colour availability options vary. The Nokia N91 comes with the collection of your favourite musical tracks or songs, that you can add from the various sources. The quality of the music that one hear in the phone is un-comparable and unmatched, it soothes you when you wish to relax and enjoy. There is a camera in the phone which does not let you to miss any moment that you would love to behold. Moreover, the phone work as an organiser as well.

The Nokia N91 supports the GSM/GPRS/EDGE technology in the frequency of 900/1800/1900MHz band. It also supports the WCDMA 2100 frequency in many European countries, except the US. The data transfer increases up to speed 384 kbps in WCDMA, and 236.8kbps in the GPRS/EGPRS. It is to be mentioned that the actual speed may vary depending on the network support. The phone weighing 164 gram, length 113.1 mm, width (max) 55.2 mm, and thickness (max)22 mm; has a memory of up to 4 GB for music content (up to 3000 songs), images, video clips, multimedia messages, ringing tones, and applications.

And it has an additional 30MB of storage for contacts, text messages, calendar notes and events.The Nokia N91 has an advanced contacts database, which support the multiple phone/ email details per entry, thumbnail pictures and groups. Moreover, it is equipped with many other features like Speed dialling, keeping the lists of the dialed, received, and missed calls, Automatic redial, Automatic answer (works with compatible headset or car kit only). It has the options by which one can dial a particular number and even make conference call.

Caitlin Lucy is a Expert Author. She has written good quality articles on Nokia N91, Compare Mobile Phones and Contract phones

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Top Selling Laptop Brands

Purchasing a laptop is a daunting task. It is something you spend with most of your time of the day really and it involves a handsome amount of your dearly earned money. Where technology has made things a bit easy, at the same time a plethora of information is also there to make things complicated than ever. That is the reason for most of people to go for the products that are reliable and whose usability and performance is proven at the scale of time.

This ranking makes some brands top selling brands and they are consumer's first choice when it is about buying that specific product. Laptop purchase is not a simple purchase for many as it involves considering various factors other than simple liking and disliking. With the passage of time there keep appearing new brands in the market but there are some that have won consumer's confidence and are at the top of their choice list irrespective of specific model. Here is a brief account on top selling laptop brands across the world:

Apple:

Apple is one of the most reliable names in the world of technology. The company and the products are a source of inspirations for other players in the industry and innovative features are the distinguishing attribute of Apple notebooks that are also known as Mac books. These light weight notebooks are knows for their slim and sleek design and are rated high at performance scale. Currently, there are three product lines in Apple notebook range namely Macbook, Macbook Pro and Macbook Air. These high performance notebooks are rated high in monetary terms as well that is surely justified for the great experience they render to the user.

Dell:

Dell is the first choice of those interested in purchasing a high end product yet at an affordable price. Whether you need a laptop for personal purposes for routine use or for business purposes you will find a perfect assemble of features at Dell. The most exciting attribute of Dell laptops is the customization option that allows you to choose from processor to operating system and accessories to even design of the laptop. With Dell studio designs you can give a personalized colorful outlook to your laptop. Dell Mini Net books, Inspiron, Studio and Studio XPS are Dell laptops complete Dell product line for home use whereas Vostro, Latitude and Dell Precision Mobile Workstations make up the Dell laptop series for business use.

HP/Compaq:

HP is another trusted name that distinguishes itself for the wide assortment of product to cater needs of different segments of the market. Whether you are owner of a home business, a small or medium enterprise or own a giant enterprise HP has different products to offer to each category. For home users it has laptops to satisfy the senses of users of different preferences and taste.

Sony:

Sony is yet another brand that is recognized across the world for being a high end quality product. Premium features, eclectic designs and great functional aspects make Sony a powerful brand name that is ruling the minds and hearts of a large chunk of consumers. Different series of Sony Vaio laptops like Sony Vaio W series, Sony Vaio TT series, Sony Vaio Z series, Sony Vaio SR series, Sony Vaio CS series, Sony Vaio BZ series, Sony Vaio NW series, Sony Vaio FW series and Sony Vaio AW series cater the needs of various groups in the market. A large number of loyal users is what makes Sony one of the most sought after brands in laptop domain.

Toshiba:

The most differentiating feature of Toshiba laptops is high quality that is well manifested by the astounding features, stylish looks and un-parallel performance. Toshiba Satellite, Toshiba Satellite Pro, Toshiba Tecra, Toshiba Qosmio, Toshiba mini Notebook and Toshiba Portege laptops are some of the most reliable notebooks in the world that have satisfied the needs and wants of almost every segment of the market so beautifully that brand name itself has become a hallmark of quality.

Here you will find information about computers and top selling laptop.

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Samsung UN55b8500 55 Inch LED HDTV

Unrivaled Picture Quality
With the samsung UN55B8500 55" LED HDTV you get the best contrast, color, and clarity that has ever hit the market. 7,000,000:1 (7 million!) contrast ratio is hands down unbelievable. This LED TV only displays the deepest blacks and the purest whites. To help display a wide range of sharp natural colors the UN55B8500 uses Advanced Color Processing. To keep the blur to NONE (okay maybe if a bullet goes my it might have slight blur) the samsung 8500 series uses Auto Motion Plus technology. This cuts out 99.9% of motion blur leaving your picture clean and crisp.

Paper Thin
1.6" thick! Take your thumbs and press them side by side. That's how thick the samsung UN55B8500 55" LED HDTV is! They really filled this tiny package with the most amazing technology yet. You won't have any problem finding a spot for this LED TV. It comes with a stand that has a unique crystal clear neck and the option to mount it right on your wall.

BLUR FREE
Auto Motion Plus really delivers the highest quality picture ever seen. Every fraction of a second, every single frame goes through Auto Motion Plus before it gets to your eyes. Every frame is analyzed and adjusted so that everything comes out Blur Free just the way you want it!

THATS COLORFUL!
samsungs UN55B8500 55" LED HDTV comes with Wide Color Enhancer Pro. This is where the picture really comes to life. Color Enhancer Pro takes each and every pixel in a frame and stretches it to its 3-dimensional limit. This makes the picture look like its almost popping out of the screen, and the colors are breathtaking!

Customize Your Samsung LED TVs
Sick of TV? Nothing on? Pull up your Samsung TVs sidebar and see whats going on online. You can check photos on flickr, get updates from yahoo, or check on your stocks. Easily download widgets to make your Samsung personalized. Samsung went to extremes when they created this LED TV.

Hook Up Effortlessly
You can easily check out you new pictures, listen to music, or watch a video you recorded. The Samsung UN55B8500 55" LED HDTV gives you lots of options when it comes to multimedia. You can wirelessly link multiple computers, or DLNA mobile devices. Hook up a camera, MP3 player, or thumb drive with there handy USB ports. A feature I personally thought was really cool is the Samsung Multi-Media Center. This lets you scroll through your pictures, music or videos with the LED TVs Remote! Really handy.

Hi my name is Bill Cook and I am what some would call an electronics expert. I review top quality electronics helping people make the best decision possible. If you would like to learn more about the Samsung LED TV above, please visit my blog at http://samsung-led-tvs.blogspot.com/ Thanks for reading my review hope you enjoyed it!

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Affordable Laptop Repair For the Do-it-Yourselfer

To tell you the honest truth, it's NOT expensive to get your laptop fixed (except those "Geek Squad" guys down the street will charge you $50 in store to install a stick of memory or $150 if you want them to come to your house to do it!!) and it's not hard to do it yourself either!

A little back story.... We used to buy 53' TRUCKLOADS of returned merchandise from a major national retail chain, and we would test everything and sell it as is on that big auction site without repairing anything. Others wanted the defective merchandise to either repair themselves or use for parts to fix their own broken items.

We did this for quite some time and were quite successful at it too! One day we thought... Hmm... we have 200 laptops here, why don't we open them up and see if we can fix them ourselves? So we did! We tore them down at my kitchen table and fixed a ton of them no problem!

Soon we learned that certain laptops had certain design flaws and what was needed to fix them. We were able to fix what the store told you was un-fixable quite easily just by TRYING to fix it and not just giving up and saying "I dunno, throw it away."

For example: My buddy has a shop where the sells laptop parts, and the HP DV6000 series power cable always breaks so he sent some to a specialty manufacturer and had his own replacement cables made that are BETTERY QUALITY than the original part! Anybody with an HP DV6000 series (anything DV6xxx series) laptop that needs the cable and is lucky enough to find his site will be a very happy person!

The problem is they want you to think that you have to be a "Geek" to repair your own laptop computer and that it's very difficult to do! They charge you crazy prices for the easiest repair to make you think it's too hard for you to do!

Where do you think these guys get their money for their millions in advertising and their fancy cars? OUT OF YOUR WALLET THAT'S WHERE, and that's why they have to charge so much.

So what do you do if you have a broken laptop? You go to these so-called Geeks and they have no idea what to do even though it's what should be a well known design flaw with your laptop like your HP DV6000 ribbon cable that stops your laptop from turning on.

How come the Geeks don't know how to fix it, but two guys sitting at their kitchen table with a couple screwdrivers do?

Ya, I have a problem with anybody that charges you $250 to fix your laptop when we used to get laptops from these guys that were junked out and the only problem was it had a bad stick of RAM in it!

I could go on for days really, but the point is don't give up on your laptop if it has stopped working, even if some Geek or Nerd told you to. My good friend can probably help you out through his discount laptop parts store and even if he can't you should still poke around online and look for alternatives to the Geeks and Nerds that tell you to toss it in the garbage!

Thomas Drayton is the Owner of Darntoothysam.com a digital camera parts and repair shop
Your once source for truly AFFORDABLE laptop computer repair parts is our friends at Zkarlo.com

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