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In January 2013 Lenovo announced the ThinkVision LT1423p, a mobile touchscreen display designed for use with Microsoft's Windows 8 operating system. The LT1423p is a 13.3-inch AH-IPS display with 1600x900 resolution. The face of the device is Gorilla Glass in order to make it more durable. Pen-based and multitouch finger-based input are both ...
Burn-in on a monitor, when severe as in this "please wait" message, is visible even when the monitor is switched off. Screen burn-in, image burn-in, ghost image, or shadow image, is a permanent discoloration of areas on an electronic visual display such as a cathode-ray tube (CRT) in an older computer monitor or television set. It is caused by ...
Hot plug detect (all versions) HEAC− (HDMI 1.4+, optional, HDMI Ethernet Channel, and Audio Return Channel) High-Definition Multimedia Interface ( HDMI ) is a proprietary audio/video interface for transmitting uncompressed video data and compressed or uncompressed digital audio data from a source device, such as a display controller , to a ...
A modern PC with a bus rate of around 1 GHz and a 32-bit bus might be 2000x or even 5000x faster, but might have many more gigabytes of memory. With boot times more of a concern now than in the 1980s, the 30- to 60-second memory test adds undesirable delay for a benefit of confidence that is not perceived to be worth that cost by most users.
Laptops contain the keyboard, display, and processor in one case. The monitor in the folding upper cover of the case can be closed for transportation, to protect the screen and keyboard. Instead of a mouse, laptops may have a touchpad or pointing stick. Tablets are portable computers that use a touch screen as the primary input device. Tablets ...
Lenovo designed the laptops to "reflect a new progressive and strikingly clean appearance while retaining ThinkPad durability and reliability". [10] For example, along with the new Island-style keyboard, the Edge series had some keyboard design changes: uniform black keys and the removal of the embedded number pad.
DisplayPort connector A DisplayPort port (top right) on a laptop from 2010, near an Ethernet port (center) and a USB port (bottom right). DisplayPort (DP) is a proprietary [a] digital display interface developed by a consortium of PC and chip manufacturers and standardized by the Video Electronics Standards Association (VESA).
SMBus requires devices to acknowledge their own address always, as a mechanism to detect a removable device's presence on the bus (battery, docking station, etc.) I²C specifies that a slave device, although it may acknowledge its own address, may decide, some time later in the transfer, that it cannot receive any more data bytes.