Used laptop hp pavilion dv4000 series battery computers due to "well-weathered" may at any time after the buy back "strike", so to ensure their own second-hand buy laptop value for money? In fact, it is not hard to do, as long as the identification of issues to do the following on it.
Thermal performance, attention should be focused at
Laptop hp pavilion dv2000t battery cooling performance of a direct impact on performance notebook computers, but also can test the material used is a good laptop. Heat resistance test, the best first notebook computer power to run some time , and then hand feel shell temperature of your laptop, if you feel hot, then the choice of second-hand laptop cooling effect is not good, if you continue to run time too long, notebook computers might crash.
Dead pixel test, had to do the job
The quality of the LCD screen directly to the user 's visual experience and the life of notebook computers, so carefully check whether the laptop screen laptop hp pavilion dv5000 series battery dead pixel is to identify the steps necessary. Dead pixels is actually a black background or white background, the LCD screen has an opaque or transparent and even has a fixed-color pixel is called a dead pixel, if the number of dead pixels on the display more than 5 to can not buy, because as time goes by, more and more the number of dead pixels until the whole screen does not display so far.
Performance test, a "top priority"
Check the overall operating performance is good in order to verify your current purchase to buy a laptop there is no value. Check to see if the mouse is responsive, the touchpad is Emmanuel, the program is running correctly, the screen display is clear, notebook computer running the noise is large, and the notebook computer for after working long hours often crash phenomena.
Auxiliary equipment and must not be ignored
Since the majority of second-hand laptop used to run auxiliary equipment longer, may be in the lack of stability in performance, so use it there fault frequency is very large. The event of a failure, it is relatively difficult to repair. Because the majority of notebooks used auxiliary equipment are old, and old models in the current notebook market on the verge of extinction, then the auxiliary equipment to match with the old course is very hard to find; If you use other equipment to replace the words , may be due to second-hand laptop compatibility is poor, but will affect the work performance of the entire laptop and even the laptop computer can not continue working. Therefore, the user must check one by one as the keyboard, floppy drive, CD-ROM and the like auxiliary equipment is intact.
Complete accessories, is the minimum "threshold"
Attached Simplified Chinese user manual will guide you how to correctly use the notebook computers, especially in the annex to the driver disk and system recovery CD, etc., must not be less, or the system re-installed in many devices can not properly drive, so should look carefully at the time of purchase in original packaging accessories.
Power specifications, can not be taken lightly
Now a lot of second-hand laptop hp pavilion dv2037tu battery computers are foreign brands , such as Japan, many second-hand laptop power specifications for the 110V, so the computer can not be used to buy back is clearly under the 220V power supply. Therefore, the user must use to verify the specifications of the power to avoid power problems caused unnecessary trouble for himself.
Network functions , the list should also be concerned about
The main purpose of the computer is now online , if you bought the laptop even the most basic LAN card or built-in Modem are not, then we can not access.
Regular place should be the only place to go
After all, there is a big buy used laptop computers the risk that in order to minimize the risks, we'd better get some of the larger second-hand laptop computer business specializing in the business, they provide a very good second-hand laptop computers usually fineness, but also provide some warranty service, the configuration is relatively high, but the price that may be more expensive, to buy second-hand through their laptop computers is also a good choice.
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