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Archive for February, 2012

What do I do if I spill a liquid on my keyboard or laptop?

Saturday, February 25th, 2012

If you’re on a laptop and you happen to spill something on it, the first thing you should do is power it off. You dont want any electricity running through that thing when you’ve got liquid on it somewhere. The next thing you have to do is turn it upside down so that all the liquid spills out. Grab some cloth or whatever you can to wipe off all the excess liquid. Now grab your hairdryer and run it off the keyboard until everything looks dry. Just to be safe, leave it unplugged for about a day or two so you can be sure that it dries out and just before you’re starting it up again go over it with a hairdryer again. What alot of people don’t know is that liquid isn’t necessarily bad for your computer because all the parts in there actually get washed before they’re get put into your computer. I know that’s scary but that actually happens. After three days power it back on, you should be fine. If not, you can take it to a repair center but the chances are you haven’t done that much damage to it.

Laptop Keyboards for Notebook Computers

Saturday, February 25th, 2012

Laptop keyboards have gone through many changes since the time laptops first started appearing. As new technologies allow for smaller and thinner laptops, laptop keyboards require even more ingenuity by manufacturers to retain the solid feel and typing speed that users require while still retaining the portability and lightweight attributes that most users desire.

Many technologies have been employed in the past for transmitting a key press to the computer, as well as for providing a solid feel for the user. The earliest keyboards used “key switches”, which used very large keys and had a heavy feel when typing, as well as producing a clicking sound for each key press. Since laptops could not accommodate such large keys, they employed the use of small plungers, usually made of rubber, for the key action. Most modern laptops use a “scissor-switch” design for each key, which uses two plastic pieces in a scissor formation. When the key is pressed, the plastic pieces slide and collapse, registering the key press down to a membrane switch. The feel of the scissor-switch keys have become so popular that some manufacturers are now incorporating it into desktop keyboards.

The other main challenge for a laptop keyboard is limited space. With the size of most compact laptops, it is virtually impossible to fit a full-size keyboard into the available space. This has sparked a number of solutions to the problem. Most laptop keyboards do not include a 10-key number keypad. Instead, some of the letter and number keys often double for the num pad with the use of “fn” keys, or function keys, which enable the alternate key function when pressed together. For a user who does a lot of 10-key entry, a separate number pad can be purchased as an additional accessory. In the past few years, as multimedia applications have become more present in computer use, laptop and notebook keyboards have begun to include media keys which can control play, pause, volume, and other functions with a simple key press. Sometimes, these media keys are an alternate function of a number key or function keys, such as F1, F2. In many cases, they are enabled by the fn key, much like the num pad.

Catering to business travelers who may be working on a plane in low light, or other users who work in low light, many laptops have begun to offer backlit keyboards. With the addition of a backlight, these laptop keyboards can glow to illuminate the letters and numbers to make them easier to find in the dark or in low light.

When shopping for a laptop keyboard replacement, it is a good idea to use a parts locator tool. This type of tool allows users to enter their laptop’s model number to see exactly what replacement parts are available for it. This ensures compatibility and avoids the hassle of returns and exchanges.

Saturday, February 25th, 2012

A firm trying to stop Apple from using the iPad name in China has launched a legal attack on the consumer electronics giant’s home turf.

A unit of Proview, a major computer monitor maker that fell on hard times during the global financial crisis, is already suing Apple in multiple Chinese jurisdictions and requesting that sales of iPads be suspended across the country.

Proview has filed a lawsuit in Santa Clara County that brings their legal dispute to Silicon Valley.

According to legal experts there could be different outcomes between the US and Chinese cases, but a spreading of the lawsuit could hurt Apple.

“In relation to the US, Apple is going to somewhat have a homeground advantage,” said Elliot Papageorgiou, a Shanghai-based partner and executive at law firm Rouse Legal.

Given the current timeline, Apple would have the greater impetus to come to settlement simply because the ability to disrupt shipments is more immediate

At stake for Apple is its sales and shipments in China, where its CEO Tim Cook said it was merely scratching the surface. Debt-laden Proview, meanwhile, needs to come up with a viable rescue plan before mid-2012 or face delisting from the Hong Kong stock exchange.

“Given the current timeline, Apple would have the greater impetus to come to settlement simply because the ability to disrupt shipments is more immediate than the pressure faced by Proview and its potential delisting,” said Papageorgiou.

Deception allegations

Proview has accused Apple of creating a special purpose entity – IP Application Development, or IPAD – to buy the iPad name, concealing Apple’s true role in the matter.

In its filing, Proview alleged lawyers for IPAD repeatedly said it would not be competing with the Chinese firm, and refused to say why they needed the trademark.

Those representations were made “with the intent to defraud and induce the plaintiffs to enter into the agreement,” Proview said in the filing, requesting an unspecified amount of damages.

Apple reiterated its statement saying that it had bought Proview’s worldwide rights to the iPad trademark in ten different countries several years ago. It also said that Proview had refused to honour their agreement and that a Hong Kong court had sided with the US technology giant in the matter.

The battle between a little-known Asian company and the world’s most valuable technology corporation dates back to a disagreement over precisely what was covered in a deal for the transfer of the iPad trademark to Apple in 2009.

Proview, which maintains it holds the iPad trademark in China, has been suing Apple in various jurisdictions in the country for trademark infringement, while also using the courts to get retailers in some smaller cities to stop selling the tablet PCs.

How to fix a sticky laptop keyboard

Saturday, February 25th, 2012

All laptop owners will experience at some point in their lives the sinking feeling, and calamitous consequences associated with a major drink spillage. If you haven’t, you soon will; it’s inevitable – a technological rite of passage, if you will.

It’s happened to me several times (I must be unlucky) and I haven’t always been able to blame it on the kids. First time out, a hot cup of tea and a twisted phone cord was to blame.

Either way, the result was one very dead laptop; I’m afraid I failed to act quickly enough and my dear old ThinkPad T20 went pop. There’s nothing much you can do about that sort of particularly disheartening outcome apart from go out and buy a new laptop – or, as in my case, order a new one from IT – but if you do manage to yank the power cord out and eject the battery before the offending liquid oozes its insidious way to the more sensitive parts of your portable, there are other consequences to think about.

After my two-year-old daughter managed to spill apple juice all over the keyboard of my trusty Asus A8 a couple of years ago, I thought I’d got away with it. But, as time went by a sticky P key and Page Up and Page Down keys that responded as if glue rather than a healthy fruit drink had been involved began to irritate and irk. Apple juice, once dry, is very sticky stuff.

I tried various methods to fix the problem, but none of them worked. I soaked cotton buds in isopropyl alcohol and ran them under the keys – this worked for about half a day before the stickiness resumed. I attempted to prise the keys out, one by one – but decided this was too risky when the first key I tried failed to click back into place properly. Frankly, I’d given up and, until a couple of months ago, the laptop was languishing in a corner doing nothing.

Then, all of a sudden, it hit me: why not try WD40?

This is the closest thing the modern world has to a miracle cure. Unlike those dubious remedies peddled by travelling con-artists in the old wild west, though, it’s is the genuine article. It loosens, it lubricates, it cleans, protects and helps you start the car. Could it fix broken laptops too?

In one final, desperate act, I soaked the keyboard in the sweet-smelling lubricant (my laptop now smells like a new bike as a result), mopped up the excess and waited for it to do its stuff. I wasn’t hoping for much if I’m honest, and even if it did work I thought that a few weeks down the line it would most likely have eaten away at the internals of the keyboard.

But no. A few hours after the initial application, all the afflicted keys were moving freely and without restraint. And they’ve continued in this unfettered manner to this very day, with nary a hint of claggy drag or foot-in-the-muddedness. “Hallelujah!”, “Eureka!” and other assorted euphoric exclamations followed.

Of course, if you take my word for it and treat your own afflicted laptop in the same way I won’t be held responsible for the consequences. Suffice to say it worked for me, and I’ll always remember to keep a can to hand – just in case of emergency.

ASUS N55S Laptop Reviews

Saturday, February 25th, 2012
ASUS N55SASUS N55S

ASUS has more good than harm to the design of N55S. The exterior is a mixture of black and silver beauty. The lid is a glossy black that looks great at first, but quickly becomes an eyesore through fingerprints. I like the silver coin will be held throughout the piece in brushed aluminum lid and just below the display – a laptop very high quality.

The N55S is strong enough plastic for it, just bend the palm rest for high blood pressure. I am very thankful that ASUS uses anti-reflective plastic rather than shiny plastic, which is very common in conventional laptops. Chassis flex is average for a consumer notebook, nothing alarming, however. The finish is good, there are irregular spaces between the parts or sharp edges.

Those who seek to improve the N55S is easy to do, two removable panels in the bottom of the frame to facilitate access to the hard drive and memory slots (RAM).

The Core i7 for laptops is based on the Core i5/i7 LG1156 desktop CPUs. The clock speed of the CPU core is relatively small, but because of a large turbo mode, the cores dynamically overclock to 3.2 GHz (920XM). Therefore, the CPU can be adjusted faster dual core high (single-threaded applications), but offer the advantage of 4 cores. Due to the high TDP of 45 W / 55 W, the processor is only for consumer notebooks.

Good all-round opening N55S, powered by NVIDIA GeForce GT 555m with Optimus. Optimus technology NVIDIA switch between integrated graphics and optimized to ensure openness and greater autonomy. We played Call of Duty Black Ops 1600 x 900 with courage and this child without any representation in the highest total failure and 16x anti-aliasing.

The N55S ASUS is a good price and a good buy. It has a great Full HD, looks good and decent build quality. The performances are excellent, this laptop is capable of playing the latest games. Most of the disadvantages of this laptop can be summarized as “might have been better” rather than “bad.” The keyboard is comfortable to type on these issues, but the design, the touch screen works well, but the keys are too strong, finally, the speakers sound good but are not particularly impressive. A disadvantage is that you have set the N55S has a backlit keyboard, notebook in the same price as some of the competition.

How to Replace a Microsoft Wireless Mouse Battery

Friday, February 17th, 2012

 

Adding a wireless mouse to your computer is a convenient alternative to using a trackpad on a laptop or using a wired mouse. Wireless mice come with a USB adapter that you insert into an empty USB port to receive the wireless signal. If your cursor starts acting up, such as skipping across the screen, or stops working altogether, it could mean that it’s time to change the batteries.

    • 1

      Turn the mouse over.

    • 2

      Remove the battery cover.

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    • 3

      Remove the old batteries.

    • 4

      Insert the new batteries making sure that the positive end connect with the positive contacts.

    • 5

      Replace the battery cover.

How to Replace the Battery in a Microsoft Mouse

Friday, February 17th, 2012

A Microsoft cordless mouse is more convenient than its wired cousin. The wireless variety allows you the flexibility and freedom that only a mouse without a cord can provide. However, cordless mice do have one weakness: batteries. Depending on the type of Microsoft cordless mouse you own, be prepared to change the batteries every four to six months.

    • 1

      Locate the battery access cover on the Microsoft mouse. On some units, it is located on the base of the mouse (the part that sits on your desk). On other units, the batteries are stored in the body of the mouse.

    • 2

      Remove the battery access cover by pressing the clip to remove the plastic cover piece. If the batteries are located in the body of your mouse, press the release tab on the bottom of the mouse and flip the cover up. Remove the dead batteries and discard them.

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    • 3

      Look inside the battery compartment and identify the “+” and “-” symbols that indicate the polarity of the battery terminal clips. Insert the batteries into the mouse while ensuring the polarity of the batteries matches with the diagram inside the battery compartment. Close the battery access cover on the mouse.

    • 4

      Ensure the red light from the optical beam inside the mouse is on. Finally, press the “Locate” or “Sync” button on the wireless mouse transceiver to restore the wireless connection between your computer and mouse.

How do I Change the Batteries on a V320 Cordless Mouse?

Friday, February 17th, 2012

The Logitech V320 cordless mouse uses 2 AAA batteries. As with all batteries, they drain with use and must be replaced. The batteries are housed within the body of the mouse, which helps to keep the mouse compact. The Logitech V320 uses a USB receiver that receives the radio frequency signals sent from the mouse. The receiver is powered by a USB port on the computer.

    • 1

      Turn the mouse over so the bottom is facing up.

    • 2

      Push the button at the bottom of the mouse up as indicated by the arrow. The arrow is imprinted on the bottom of the mouse.

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    • 3

      Turn the mouse back over and remove the housing of the mouse.

    • 4

      Remove the two AAA batteries from the mouse.

    • 5

      Insert the replacement AAA batteries into the mouse as indicated by the illustrations in the battery slots. Replace the housing of the mouse. The mouse does not need resyncing.

How to Troubleshoot a Logitech Mouse and Battery Change

Friday, February 17th, 2012

Since 1981, Logitech has produced mice, trackballs and other products. Most wireless Logitech mice operate on the 2.4 GHz frequency, along with many of your other household gadgets, such as cordless phones, wireless Internet and wireless speakers. Reduce interference by relocating your mouse receiver (the part of the mouse hardware that connects directly with your computer) prior to attempting other troubleshooting methods. Some Logitech mice do not permit battery changes, such as the MX Revolution. Attempting to replace the battery in unsupported devices will void your warranty.

    • 1

      Flip the mouse to its back. Flip the “On/Off” switch to “Off.”

    • 2

      Slide the battery cover open. Remove the battery.

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    • 3

      Check the battery type and your Logitech mouse’s requirements, as specified by Logitech. For example, if a mouse calls for alkaline batteries, do not use rechargeable batteries.

    • 4

      Replace the battery with a fresh, unused battery that meets the battery requirements.

    • 5

      Replace the battery cover.

    • 6

      Turn the mouse “On” if your mouse features an “On/Off” switch.

    • 7

      Connect the mouse receiver directly to a USB port. Do not plug the receiver into a port on a USB hub. Position the receiver away from your computer’s power supply and monitor, as these devices may interfere with the signal.

    • 8

      Run the Logitech Connect Utility by clicking on “Start,” “Programs.” Click on “Logitech,” then navigate to “Mouse and Keyboard” and “Connect Utility.” Follow the onscreen prompts to reconnect the mouse.

    • 9

      Try a different USB port and run the Logitech Connect Utility again if the mouse still doesn’t respond.

How to Troubleshoot a Dell Keyboard & Mouse by Logitech

Friday, February 17th, 2012
    • 1

      Check the battery installation if the keyboard and mouse are not working. Make sure that the polarity of the batteries matches the positive and negative markings on the battery compartment. Check the receiver’s connection. The receiver is the device that is plugged into the PC and wirelessly connects the mouse and keyboard to the PC. Make sure the purple PS/2 adapter is connected to the receiver’s keyboard connector and that the receiver’s keyboard cable is connected to the PC’s purple keyboard PS/2 port. Manually establish communication by pressing and releasing the “Connect” button on the receiver, using the tip of a pen to press and release the “Connect” button on the side of the keyboard, pressing and releasing the button on the receiver again and then pressing and releasing the “Connect” button on the bottom of the mouse.

    • 2

      Install the MouseWare or iTouch software and reboot the computer before connecting the receiver device. Refer to your computer documentation for your computer’s correct port configuration and make sure the USB port and PS/2 port on your computer have the proper configuration. Make sure that other system devices such as a modem are not conflicting with the Dell keyboard and mouse.

    • 3

      Move the receiver closer to the mouse and keyboard if you are working on a metallic surface. Make sure the receiver is at least 8 inches away from other electrical devices such as the computer. Turn off the computer and try disconnecting and then reconnecting the receiver to the computer. Make sure the batteries are good and not running out of power.