Apple battery fire risk 'quite low' says Miller

A flaw in Apple firmware that could let a hacker render a laptop battery inoperable is unlikely to allow an attacker to use the hole to start a fire, according to security expert Charlie Miller.

Miller is due to give a talk on the flaw on August 4 at Black Hat. Some news articles have speculated that the flaw could allow a hacker to set fire to a laptop dell inspiron 1545 battery remotely. Miller told ZDNet UK on Monday that this was unlikely:

Q. What is the flaw you found in Apple firmware, and how can it be used? What devices does the flaw affect?

A. The flaw is that Apple didn't change the default passwords on the embedded controller that they ship with their laptop toshiba satellite m35x-s111 ac adapter batteries. This allows arbitrary changes to be made to the devices, including changing the firmware itself. It affects all laptops I've checked, including Macbooks, Macbook Pros, Macbook Airs, etc.

An attacker could 'brick' the dell latitude d630 battery, i.e. make it not charge or talk to the computer and this could not be fixed (afaik). I've done this many times by accident to my dell xps m1330 battery while researching, so I definitely know it's possible!

Since the firmware is in charge of managing the safety of the dell inspiron 1525 ac adapter battery, it is possible that changes to the firmware could be used to eventually cause a fire or something. I must point out that I haven't done this and don't know if it is possible because there are other safety mechanisms on the dell inspiron 1545 ac adapter battery such as thermal fuses that may make it impossible. I don't really know enough about Compaq presario c710tu battery to say for sure what the risk is, but I believe it is quite low.

Q. How did you find the flaw?

A. I was curious if a remote attacker could do something 'physical' to a system.

Q. What are the implications for Apple users?

A. Probably nothing. If I was a remote attacker who had root privileges on your system, I'd probably want to steal your credit card, not brick your hp pavilion dv9000 battery. If you're super paranoid, I'm releasing a tool that changes the password on the firmware and protects you from this type of attack.
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next blog: Battery saving tricks for Smartphone owners

Battery saving tricks for Smartphone owners

Sometimes mainly due to our usage pattern smartphones loose a lot of laptop battery power and with a little attention to detail will help your battery go a long way.

Smartphones today are just like power hungry monsters. No matter how bigger Casio NP-60 Charger battery they have, how long the smartphone will perform between charges depends largely on the user's device usage pattern. Calling, messaging, gaming, multimedia - there are many utilities that a smartphone today offers and more we use those, the lesser Casio NP-60 Charger battery backup we get.

There are plenty of softwares available today that promise to enhance the battery backup of your device. These softwares actually help save some power that gets wasted due to amateurish use of devices.

But, without these softwares also, one can get maximum out of their smartphone Jvc BN-VF815 Battery without cutting down on tasks such as calling, messaging, internet usage or even gaming.

Optimise Display brightness


The display of a smartphone alone uses a major chunk of the Samsung BP-70A Battery power. But, we can optimise the display to consume just the right amount of power and thereby increasing efficiency too.

All smartphones today come with ambient light sensors but by default the system is set on a comfortable brightness (sometimes max brightness too) setting that allows the display to be visible in both bright and low light conditions. (Canon BP-511 battery)So, if your device is not using the ambient light sensor it is unnecessarily wasting energy. The ambient light sensor controls the screen brightness according to the ambient light thereby conserving power wherever possible.

Say no to live wall papers

Live wallpapers, as we all know, are really cool with all this jazzy effects and transition. But to do all that they use the processing power of the smartphone and thereby consuming Samsung L100 Charger battery power even when sitting idle.

Processors are optimised to go on a low power mode as soon as activity level goes low in order to conserve Samsung ST60 Battery but live wallpapers restrict it from getting in a low power mode.

Set a shorter screen timeout

Screen timeout time is the time taken by a display to go to the standby from an active mode. This mode allows the display to save power when the display is not required by turning it off.

By default, many devices are set on a two minute timeout which means the display will go to sleep mode after 2 minutes and if you do not need the display to be on for that much time without any activity turn it down to 15 seconds or 30 seconds to save your phone's Sony HDR-SR7E Charger battery power.

Timely sync

Devices today are connected to the internet 24 x 7 and due to that manufacturers have come up with synchronisation services online that keep a safe and secure backup of your device.

But, the service manufacturers also set the device to sync data with the online accounts whenever there is a change or addition to the files on device.

If you are not a very heavy user you can reduce the number of times your device synchronises itself with the account. (Sony NP-FH50 Battery)This way the device will drastically reduce the online activity that otherwise continues in the background and consumes power too.

Turn of radios if not required

Bluetooth , WiFi, GPRS - all such radios or wireless connectivity protocols come at No 2 position when it comes to power consumption after the display. (STILL CAMERA DV7000) Usually, people forget to turn off the Bluetooth radio once the work is done. Same is the case with the WiFi radio which draws a lot of power from the Sony NP-FH50 Battery to stay operational without the need to do so.

So be smart and remember to turn off the radio similarly you turn off your car's ignition after you reach your destination.

GPS is for outdoors only

Global Positioning System is a unique technology that allows the device to be aware of its location by getting data directly from the geo stationary satellites way above in the sky. But do you know that GPS only works when you have a clear line of sight for the sky?

Many applications such as your camera app too utilises GPS to tag the location of the photograph and many times such apps continue to run in the background while utilising GPS as well.

Always, keep a check on what all services are running on your device and especially the GPS if you are indoors when it won't do any good to you other than feasting upon the Canon Digital IXUS 60 Charger battery power.

Use the task manager often

Today as the devices are getting faster, the operating systems are also changing. Today operating systems do not kill the applications automatically as soon as you exit from it or move your focus to another application.

Rather, all the applications keep running in the background although in a low power state, utilizing both processing power and memory that leads to a lower Fujifilm NP-40 Battery life. If you do not need an application, kill the application from the task manager. This way the background activity will be reduced and also the device will perform faster.

And Finally Vibrate less

Vibration mode is today available on all smartphones but do we actually know why was it invented? Well, the vibrate mode was invented to alert the user when the device is in his pocket or bag but today most people use it regardless. Vibrators use much more battery power than the normal ringer does. So, if you can do without it, it's good for you. (Cinema 50" Handheld LED Projector)

Even touchscreen devices today provide haptic feedback to make the touch feel more realistic. But as said earlier that too uses battery, so if you can do away with the feedback it will help you save some more battery. This is especially useful for those who do a lot of texting.
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next blog: Laptop Battery Care

Laptop Battery Care

How annoying is it when your laptop’s PENTAX Optio E75 Charger battery turns low throughout the peak time of your work? It can lead to many complications in your function and may possibly even lead to loss of crucial data. If you believe there is no answer to this, you are wrong. Laptop battery care at the proper time and following a routine check up for Sony Ccd-trv27e Battery care and maintenance will prove to be really useful to save your laptop’s TOSHIBA Laptop AC Adapter battery the subsequent time you giving a presentation to our boss or chatting with your close friend over a cup of coffee!
The most essential step in laptop battery care is to save it. But it does not mean that you will charge your laptop totally 1 day and keep it unused for the subsequent 15 days! Your laptop ACER TravelMate 6592 Adapter battery care entails some exercising too! So here are 10 ways in which you can save your laptop’s battery and make it last longer for the sake of laptop Sony Vgp-bps2 Battery care. You could like to read on how batteries function.
7 Wonderful Tips on Laptop Dell Laptop AC Adapter Battery Care to Make it Last Longer
1. Dim Your Screen
Nearly all the new laptops come with an choice of dimming the screen. Some of these laptops also have an alternative by which you can control the CPU’s cooling performance. Cut these to their lowest levels so as to make the most of your CASIO EX-Z1050 Charger battery savings. This is 1 of the most basic guidelines in laptop battery care and is sure to yield some additional battery back up!
two. Cut the Additional Programs
When you are working on your laptop on its battery, make certain you cut down on all the additional programs that are running in the background for no critical reason. Sending an e-mail to your client while working on a spreadsheet and listening to a new album of Justin Timberlake, all on your laptop NOKIA 3210 battery, will lead you nowhere as the battery drains out faster while multitasking, since it gives a lot of load to the CPU. Do 1 thing at a time and close all the other applications that are not critical.
3. Cut Down on the External Devices
Using USB devices, DVD drives on laptop consumes a lot of SAMSUNG P1000 Charger battery when your laptop is unplugged. Shut these applications when you are not employing them. Even the USB mouse that you may use at times, will lead to quicker Olympus Blm-1 Battery drainage. Hence, cutting down on external devices like USB, DVD drives, USB mouse, Bluetooth and Wi-fi aid to a wonderful extent when it comes to laptop battery care.
4. Hibernate or Stand-by?
This is the most frequently asked question in laptop SAMSUNG VP-D351 Battery care and the answer is hibernate! The reason behind this is that stand by option does save laptop battery but not as much as hibernating does! Hibernating your laptop will save it in a condition the way it is and fully shut itself down, hence saving more APPLE IBOOK G4-M9165J/A Battery.
five. Battery Cleaning
It is very critical in laptop battery care to clean your laptop’s battery. You ought to clean your laptop battery’s metal contacts when each two months. Use a soft cloth and rub it with alcohol to moisten it. This will help in keeping the transfer of power from the Panasonic Nv-gs27 Battery more efficient.
6. Defrag Your Challenging Drives
Defragging your challenging drive will make it function far more efficiently. An efficient hard drive often works faster and eases the load on the laptop’s battery, decreasing its consumption and leading to battery savings! But make certain you do not carry out defragmentation of your hard drive whilst working on laptop’s Olympus Mju 300 Battery!
7. Set Power possibilities
Laptops come with different choices for their power settings. Make certain you maintain your laptop’s power settings to “optimized use” or in “power saver” modes although working with Acer Aspire 5720 Battery on. It will increase the battery back up for your laptop.
Bonus Laptop Battery Care Ideas!
Adding a lot more RAM will help in battery savings. I would not get into the technical particulars of it. Another excellent laptop battery care tip could be switching off autosave possibilities in MS Word and Excel whilst working on laptop’s Konica Revio Kd-310z Battery, will prove to be of fantastic use when its comes to saving your laptop’s battery. Attempt to minimize your graphics use by changing your screen’s resolution and shutting down all the fancy graphic drivers like graphic cards. Mute the laptop’s speaker volume. Turn off all the schedules tasks of your laptop. Clean out the air vents of your laptop making use of a soft cloth. You can also use a keyboard cleaner for this purpose. Our laptop will operate far more efficiently when it’s temperature is low, hence it helps in saving Ibm Thinkpad t21 Battery.
All these laptop battery care and maintenance tips are tried and tested and are sure to save a excellent deal of your laptop’s battery. It will also increase your laptop’s battery life, if you regularly follow them. If your laptop Sony Np-fc11 Battery is giving you one hour of back up rather of its usual two hours of back up, it is the time to alter your laptop’s battery.

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next blog: How To Increase Mobile Battery Life

How To Increase Mobile Battery Life

This is a guest post by Danny. If you want to guest post on this site, then please read our guideline shere.

Most mobile phone users manage to use their CANON IXUS 700 battery for quite some time, maybe one to years at the most depending on how they use their phone. This is quite understandable, as mobile phones are the virtual lifelines of individuals. Mobile phones are used every day at almost every hour, and so it is perfectly normal to think that the CANON BP-511 battery will degrade at some point.

Basically, there are several types of mobile phone batteries that can last longer when they are properly used. Simple habits can go a long way. To give you some tips, here are 8 ways on how you can extend the SONY NP-FP50 battery life of your phone:

1. Do not charge your phone more often unless it shows you are low in battery.

If you recharge your mobile phone every day, the capacity of your KODAK KLIC-7003 battery will be degraded. Depending on the PANASONIC NV-DS27 battery type, the best time to recharge your battery is when it is low or empty. This will extend the battery’s life span longer. What is important is to avoid charging when unnecessary.

2. Turn off Wi-Fi and data connections.

Utilizing GPRS, Edge, 3G or Wi-Fi data connections wears out the PANASONIC DMW-BCE10 battery too quickly. If you are not regularly using your phone for Wi-Fi or internet access, you can turn these options off to save CANON EOS-300D battery life. Try to use your mobile phone without connecting to the Web, and observe the battery for a day—you will notice that you will not charge as frequently.

3. Lower the screen brightness.

Your phone looks great if it is set to maximum brightness. Unfortunately, it is not good for your FUJIFILM NP-40 charger battery. The display brightness uses more power and consumes the battery faster. Lowering brightness helps to extend PANASONIC NV-GS35 battery life. What is important is that you are able to see clearly.

4. Avoid using your phone by playing games or listening to music.

The problem of all-around mobile phones is always the Canon NB-4L charger battery consumption. The battery of a typical smartphone runs out fast when games and the music player are played. The more you use your phone with these mobile applications, the shorter the life span of your PANASONIC NV-DS38B battery. To lengthen the lifespan of your battery, bring a portable music player, gaming console and camera—all these are portable anyway.

5. Set phone to flight mode

If you do not want to make calls, use the internet or send text messages, but you want to keep your phone on, you can set it to flight mode to disconnect network connection temporarily to avoid extra power usage of your CANON EOS 5D battery. When you are also in the plane for a long flight, it is best to set the phone to flight mode if you do not wish to turn it off.

6. Turn off Bluetooth.

Bluetooth consumes more power when not in use and can drain CANON EOS-1DS MARK II battery life. Turning it off will definitely maximize battery life. It is best to use this only when you are exchanging files.

7. Turn the phone off.

If you are not going to use your phone for some other reasons, or there is no service in the area, turning it off can save SAMSUNG VP-D371W charger battery life.

8. Control the keypad tones, vibration function and ringtone volume.

The keypad tones and vibration function of mobile phones use additional battery power. Turning it off will help keep the FUJIFILM NP-40 battery stay longer. Also minimize the ring tone volume as low as possible when you least need it.

Android Tablet Fanatic and loves to write about the best android tablets on the market.

This guest was provided by Danny who blogs at 

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next blog: Power To The People

Power To The People

As I type this, a UPS beeps furiously behind me, over the growl of half-a-dozen diesel generators on the street outside. I’m in an Internet café in Leh, a city nestled in a Himalayan valley surrounded by 6,000-metre / 20,000-foot peaks, the fast-growing capital of India’s northernmost territory Ladakh. It’s clearly outgrown its electrical capacity; power cuts hit several times a day.
Power generation is a deeply unsexy but profoundly important subject in the developing world. Technology is busily transforming lives all around the globe even as you read this—but a dearth of reliable electricity is a massive obstacle even in major cities, much less faraway villages.
People do find various imperfect and ingenious ways to cope. I was once on a riverboat in Guatemala whose captain distributed newly powered call phone batteries to inhabitants scattered along the river, and collected their old ones to charge when he returned to civilization. You’ll find stores selling small-scale solar power equipment in remote small towns throughout Uganda, and occasional microhydro generators in the Himalayas; and people everywhere burn through enormous (and toxic) amounts of scarce (and expensive) diesel to power generators when their lights go out dell inspiron 1545 battery.

But there has to be a better way: and, increasingly, there is. In particular, I’ve had my eye on Fenix International for awhile now. Their ReadySet Dell vostro 1400 battery has two cigar lighter and two USB outputs to charge radios, lights, and hp pavilion dv6000 battery, and can itself be recharged via solar, bicycle, or wall power. Plus, they’ve recently released a universal charger that can power up almost any lithium-ion compaq presario 1200 ac adapter battery via a USB plug. (I wish I’d known this before I’d set out on this trip; I could have left both of my camera battery chargers at home.)
It gets better, and wackier. There is also this BioLite stove that charges your cell phone And the Bill and Melinda Gates Foundation recently awarded $100,000 to a project that seeks to use soil microbes to power fuel cells, which, it is claimed, could be built from scratch, in a few minutes, for pennies. I have to confess I’m a little skeptical, but I’ll be watching with interest.
In the long run, of course, localized micropower projects aren’t enough for serious economic development; you need a sizable and stable electrical grid. But in the interim, a little power is a whole lot better than none, and can and does make a huge difference. So here’s hoping that those microbes are a megahit.
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next blog: Lenovo ThinkPad X220: the customisable ultralight travel laptop

Lenovo ThinkPad X220: the customisable ultralight travel laptop

This week Australian Business Traveller is scoping out the best Windows notebooks for frequent business travellers. These high-flying laptops deliver just the right mix of maximum computing power and long Toshiba Portege m300 Battery life in a slim, light yet robust package.
Most ultra-light travel laptops come in just one or two configurations, but the ThinkPad X220 series comes in three -- and can then be customised even further to suit your needs.
This flexible configuration really sets it apart from many of the competitors in this space. Often, because the manufacturing of extremely thin and light notebooks is so intricate and delicate, computer makers offer a one-size-fits-all configuration.
Lenovo has managed to preserve the flexibility for its factory to swap parts depending on what customers need. As a result, the notebook isn't as thin as some of its competitors, but it's very light. (Dell 1691p Battery)
Of course, the ThinkPad isn't going to win any beauty contests when put up for parade alongside some of the other ultra-thin and light notebooks.
It's finished in the traditional rugged ThinkPad black plastic -- no fancy brushed duralumin or easily scuffed aluminium here. In fact, the visual style of the ThinkPad hasn't changed much in 10 years, but that's just the way ThinkPad owners like it -- these machines are renowned for their durability and no-nonsense design.
Lenovo claims "incredibly long Canon Es-8100v Battery life" for these models, with up to 16 hours using the standard six-cell ACER Aspire 5310 AC Adapter battery included. A nine-cell Kodak Easyshare dx6490 Battery is available as an optional extra.
Other nice improvements over older ThinkPad models include screen hinges that keep the laptop closed without needing a latching hook at the front, a giant touchpad, and even drain-holes in the spill resistant keyboard.
The laptop also has two microphones for improved noise cancellation during voice and video conferencing, keyboard noise suppression technology to make typing in calls possible and a dedicated LED-lit microphone mute key so you can easily drop out of a conversation without having to go hunting for the mute button in Skype.(Canon Bp-511 Battery)
Rather than describing all the ports and connectors provided, this image from Lenovo explains them well:

Lenovo is currently offering the X220 with three years' manufacturer's warranty, which is a great bit of additional value. Most laptops only come with 12 months.
Note -- Lenovo has another ultra-thin and light notebook, the ThinkPad X1, which is considerably thinner than the X220 at just 1.69cm. However, we think the X220 is a better choice for most business travellers, as it has long Canon Bp-535 Battery life, while the X1 is very limited in this respect. The X1 is also heavier at 1.69KG than the X220, at 1.45KG.

Size and Weight

The X220 is a 12.5" notebook, so a tad smaller in screen-size than the 13.3" that has become the norm for ultra-thin and light travel laptops. But it doesn't trade screen resolution, so you'll still see the same amount on an X220 screen as a Toshiba Portege R700 or a Samsung Notebook Series 9.
Its weight is from 1.45KG, putting it squarely in race alongside the lightest laptops on the market. Of course, since the configuration can be customised at the time of order, the weight will vary a little depending on what parts you choose.
The main disappointment in the X220 is its thickness (and the absence of this information on just about all of Lenovo's website information and marketing materials shows that the company is aware of its weakness on this front). The laptop is 1.9cm at its thinnest point, rising up to a chunky 3.46cm at its thickest.

What you get

There are three models to choose from, before you start customising options. All of them use the latest generation "Sandy Bridge" Intel Core processing chips, which are really fast.
Impressively, Lenovo is not using the "ultra-low voltage" versions which dial down their speed in exchange for longer MINOLTA NP-400 Charger battery life; it is instead using the full power versions typically found in larger 14" and 15" laptops.
Lenovo claims the X220s run up to 75 percent faster than their ultraportable competitors that use low-powered CPUs.
None of the models have an optical drive built-in (something that we think is a good decision for a thin-and-light notebook, as downloadable movies and internet-based software updates mean DVD drives are rapidly becoming last century's technology, along with floppy disk drives and dial-up modems.)
If you still want to use a DVD drive with the X220 you can get a slimline USB one from any computer shop for less than $100, or buy the Lenovo docking base, which provides an optical drive bay.(Sony Ccd-tr425e Battery)

The basic $1799 model

The entry-level model has an Intel Core i5 processing chip, running at 2.3GHz -- which is pretty snappy without being top of the range, 2GB memory and a 320GB traditional mechanical hard drive for storage. The 2GB memory is the least you'd want to use with Windows 7, and most laptops now come with 4GB, because with several apps open at once, Windows may start to slow down with only 2GB memory.(Hp Photosmart r717 Battery)
The 320GB storage is plenty for most people, but the fact that it's a mechanical hard drive and not one of the newer solid state drives that use high speed flash memory will be a bottleneck in the system performance. Traditional hard drives with moving parts really slow down the booting and application loading time on machines that use very fast processing chips like this one.(TOSHIBA Satellite M35X-S111 ac Adapter)
However, this basic model has no webcam, which means making Skype video calls won't be possible without using an external webcam (and that rather goes against the concept of an ultraportable laptop).
Also, oddly, it also omits Bluetooth -- pretty much a standard thing for all notebooks these days -- which counts out wireless keyboards and mice unless a plug-in adaptor is used -- though that can be added in to the mix for another $14 during the order process (a camera can't be added as a custom option).
There's no option to get 3G mobile broadband built in to the base model.(TOSHIBA SATELLITE 1600 SERIES ac Adapter)

The $1,959 mid-range model

This model has a slightly faster processor chip than the basic one -- 2.5GHz compared to 2.3GHz Intel Core i5.
It also has twice the amount of memory -- 4GB -- which is what we'd recommend for good performance with Windows 7.(COMPAQ Presario 919 ac Adapter)
If you want to trade the old, slow mechanical 320GB hard drive for a faster solid state drive you can, with this model. It'll cost $460 more, and your storage will halve from 320GB to 160GB -- but you'll be enjoying the lightning speed that an SSD can provide. (Lenovo has a note on its ordering page saying that swapping to an SSD may delay your order by up to four weeks, though.)(DOPOD 838 PDA battery )
It also can't be used with a docking station, which means you'll need to plug in all your cords each time you get back to your desk. However, unlike the basic model, it does come with Bluetooth built in, so you'll be able to use it with a wireless keyboard and mouse.
It has a high-definition webcam as well, so Skype video chats will be no problem.
It doesn't come with 3G mobile broadband capability, and this is not a configurable option -- that's only available in the top model.(TOSHIBA UP423467 PDA battery)

The $2,889 top model

This is the model most business travellers will probably want to buy. It includes the Intel Core i7 2.7GHz powerplant in it, which is the fastest dual-core chip Intel offers.
It also gets USB 3.0, which provides much faster data transfer for fast devices like memory keys, and to a limited extent, faster copying to and from USB hard drives.(Canon Bp-511 Battery)
Another sweet feature is basic in-built 3G mobile broadband -- so you can just slip a SIM card in wherever you're travelling to and avoid paying hotel internet rates. For an extra $125, you can even upgrade to a better 3G module inside the laptop that will support Telstra's 21Mbit/s Next G download speeds.
It comes with a docking station in the box at no additional cost (see below for more details).
However, oddly for a top-shelf model, it doesn't have an option to swap the 320GB hard drive for a faster solid state disk flash-memory based model. Of course, this is something you can add yourself, or get added by a computer shop technician quite easily, but it's still a surprising omission for a top-of-the-line unit.Hp Photosmart r717 Battery

Docking options

Lenovo sells a $218.90 docking station for the Thinkpad X220, called the "ThinkPad Series 3 UltraBase". As mentioned above, it comes standard with the top-of-the-line X220 at no extra cost.(ICOM IC-V8 battery)
The UltraBase has a bay for an optical drive or second hard drive -- ideal if you've gone for the 160GB solid state drive option and want more storage when you're back at your desk.
It has a VGA monitor port for connection to older style monitors or projectors, as well as a DisplayPort -- the newest type of digital connector that practically no monitors use yet, so you'll probably need to buy a DisplayPort to DVI or HDMI adaptor, too.(Kodak Easyshare v1003 Battery )
The dock also provides Gigabit Ethernet for connecting to corporate networks, four USB 2.0 ports, and power and audio pass-through.

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next blog: Lithium-polymer batteries are increasing fiercely