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Friends who use Macs should know that while pressing COMMAND + SHIFT + 3, you can quickly screen screenshots, while pressing COMMAND + SHIFT + 4, you can drag the cursor, select the area of the desired screenshot. But don't know if you've noticed

1, the speaker connected to the laptop USB interface, waiting for computer recognition, in general, the computer will automatically switch the sound card to the USB sound card, if there is no switch need to restart the speaker, still useless words

User questions: Why the web does not sound, in addition to the Thunder HD online cinema video has a sound and this has been downloaded songs or video has a sound, other pages have no sound! is the Web page no sound, everything else is normal! There

Many USB devices because of the virus and the user's irregular operation will often make their beloved things soon such or such a problem. Now I'd like to teach you a few tricks to solve the removable storage devices such as USB disk can not

When using the computer, the speaker does not sound, but through detection, the sound card is normal. The appearance of this situation first check the speaker power cord, connection line, there is no good. Then check if there is too much

removable hard drive not recognized Under normal circumstances, a removable hard disk is connected to a host and the system can recognize it as a removable storage device and automatically add a letter to my computer. If the system will recognize

Mac opens the app tutorial for unidentified developers. Now, many people are using the Mac computer, many people have encountered, can not open the "XXX" hint, this is because the identity of the developer can not be confirmed? I believe many users

Fans, for us, are very familiar, play small up every summer will send bursts of cool breeze, accompany us to walk through each of the heat of life, for the computer, the fan is indispensable, whether it is the chassis of the self-release, or Cpu/gpu

U disk has become a widely used equipment, although easy to use, but when it comes to security is worrying. The ordinary USB disk does not have the encryption function, as long as opens then can see the content. So, how to lift u disk security?

How does Apple Mac install Win10? WIN10 official version has been released for some time, I believe many people want to install. Many users who are currently using the Mac system are also asking, how can Apple Mac install Win10? In fact, install

New purchase of 17-inch LCD display, the original CRT display replacement, post normal, but into the system desktop when the black screen, restart the problem is still there. This problem occurs because the display's refresh frequency or resolution

What is the BIOS? The first part is used to detect the hardware part of the computer when it is just plugged in, also known as the Power-on self-test (Power On Self test, short post), which checks the computer for good, usually full post self-test

In daily life, we may encounter such a problem: the computer USB to the smartphone after charging, the phone's power consumption seems to be faster than the charger after the charge, then what is the reason for this phenomenon? Using a computer to

Does the B150 motherboard support DDR4 memory? This is a question that we are going to discuss with you today. Intel launched its new Skylake architecture six-generation processor in the second half of last year, with a new LGA 1151 interface that

The Apple computer's wireless mouse feels convenient and beautiful, the problem is his 360 degree navigation beads too easy to dirty, below zt how to clean Mighty Mouse navigation beads. First, you need to find a 4A paper or a copy, do not use

Previously introduced the "Apple Computer Mac OS x system view photos EXIF information free software: Exif Viewer", but believe that everyone on the Apple computer with iphoto management photos, directly from iphoto view photos of EXIF information

Drive the Life Peripheral driver section enables users to add network printers in the event of a network. Typically, you can do this by: Click Add Network Printer-drive Life auto-search network printer driver-click Next to install network printer

Many students use Mac computer to install Windows dual system, but we all know through Bootcamp normal installation of dual system, MAC only two partitions, respectively, Mac system disk and win system disk. What if you need to make more than one

Friends who often use Mac OS x should use the auto-hide feature in the dock, and when you're using the dock to hide automatically, there's probably a half-second delay in hiding and showing the dock, which can affect a small number of friends, how

Data persistenceWhen it comes to data persistence, in Unity's game development is very important, whether it is on the local and server side, data persistence is our learning difficulties, data persistence technology There are many kinds of, here