Máy in hoặc thư mục chia sẻ xuất hiện và biến mất trong khoảng thời gian ngẫu nhiên. Một máy tính Windows Vista có thể nhìn thấy máy tính Windows XP trên mạng, nhưng không phải ngược lại. Hoặc cách khác xung quanh. Tôi đã mất hơn một sợi tóc kéo vài cố gắng để có được mạng lưới của tôi vào mạng. | Upgrading the Basic Stuff 787 Which keyboard do I use An old Northgate OmniKey Ultra see Figure 1-5 which is surely the Sherman tank of the keyboard biz. The beast weighs almost as much as a portable computer and it costs just under 200. You can t find new ones any more you have to buy them refurbished. It s ugly it s retro and it s decidedly unhip. But it keeps goin and goin . It s available from one of the few places that sell the classics. For the brave of heart eBay is full of good old clickity-clack ancient AT IBM-PC style keyboards for less than half the price of the Northgate. Most of them require only an AT-to-PS 2 adapter available at most computer stores to plug into a modern computer. Figure 1-5 Refurbished Northgate OmniKey Ultra. Choosing a mouse or alternatives Mice are probably available in more varieties than any other computer accessory. You can find mice with special ergonomic profiles colored mice transparent mice special mice designed for kids and on and on. Laser and optical mice now rule the roost. An optical mouse uses a lightemitting diode LED light source and sensor to detect movement over a flat surface. It has no rolling ball to slip or stick and it rarely needs to be cleaned. You may find this model particularly helpful if you have furry pets and your mouse tends to get clogged by their hair. Laser mice use an infrared laser diode but otherwise function in much the same way. They re significantly more sensitive than optical mice. Book VIII Chapter 1 Right now my favorite mouse is a Microsoft Natural Wireless Laser Mouse see Figure 1-6 . I never thought I d convert to a wireless mouse but this funny-looking critter fits my hand precisely and the laser tracking works remarkably well. Finding and Installing the Hardware YOu Need 788 Upgrading the Basic Stuff Figure 1-6 My personal favorite the Microsoft Natural Wireless Laser Mouse 6000. Photo courtesy Microsoft Corporation. n 1 Some folks prefer a trackball to
