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The power button is flush with the right side of the device, which makes it difficult to locate without looking. There are also controls for the volume and a screen rotation lock, together with a shortcut that triggers Sony's Vaio Care utility, which includes maintenance tools and a troubleshooter. Like the power button, these controls are hard to press, as they are found at the curved base of the convertible.
The screen rotation feature is especially aggravating. It's unnecessary when the device is in laptop mode. After all, you would expect the screen to be configured in its correct orientation when using it as a laptop. Unfortunately, it's not the case--we ended up fumbling for the small rotation lock button, resulting in more unintended screen rotations during the process.
Another flaw of Sony's design is that there's no touchpad. A combination of the slider design, which inherently wastes some space in order to prop up the screen, and the constraints of 11.6-inch form factor, means that Sony with battery like dell 6T473 battery , dell Inspiron 630m battery , dell Inspiron 640m battery , dell Y9943 battery , dell RC107 battery , dell Latitude D620 battery , dell 312-0386 battery , dell PC764 battery , dell TD175 battery , dell Latitude D820 battery , dell Latitude D520 battery , dell Latitude D600 battery had to sacrifice the touchpad. And it's not just the omission--the keys are also quite small with little travel.
There's an optical pointer that replaces the touchpad, but it's not quite the same. Meanwhile, the buttons for the touchpads are replaced with tiny slivers at the edge of the device.
While you probably won't be affected much if you only use the device in its tablet form, the situation comes to a head when you're using the Windows 8 desktop. With its full-HD screen resolution, icons and dialog boxes look tiny on the desktop, making it difficult to select with the fingers. That's when a proper touchpad with multitouch gesture support would be more useful than the pointer.
At least the keyboard is backlit, with an ambient light sensor that turns on the illumination automatically.
More manufacturers are fitting full-HD screens on their computers--here's a list we compiled recently. The Sony Vaio Duo 11, too, comes with a 1,920 x 1,080-pixel IPS screen that boasts excellent viewing angles.
According to Sony, the air gap between the outer glass layer and the LCD panel is replaced with a gel, which reduces the refraction between the layers. It means that writing with a stylus on this touch-capacitive screen is more accurate.
As you would suspect by now, the Vaio Duo 11 comes with a pressure-sensitive digitizer stylus. Sony has even created apps and tools to take advantage of this feature, including handwriting recognition and a cropping tool. There are also other Sony-produced Metro-style multimedia (Music by Sony) and social networking apps (Socialife) that users can download from the Windows Store.