D7500 photography u disk

It must be Thinkpad's Very cost-effective.

How to choose a notebook?

1. Is the process of talking about the machine finished? And carefully inquire about the warranty service of all accessories, preferably indicated on the installation list or other verifiable documents.

2. Do you have all the accessories on the configuration list in stock? And carefully check the configuration list, and each accessory should be marked with the model number in detail. (Motherboards, graphics cards and other models should pay special attention. )

3. Pay attention to whether the documents received after paying the deposit are "deposit" rather than "deposit"? If not, it should be changed at the request of the site before the deposit can be paid.

Check the attachment:

4. It is required to test all kinds of accessories transferred from the warehouse.

5. Check whether the CPU is original boxed. (Intel processors mainly look at the side serial number sticker. If you find that the sticker has two layers, it is definitely not a genuine box. You should keep the serial number sticker and show it when you guarantee it. )

6. Check the motherboard. (mainly check whether the accessories and CD in the motherboard packaging box are complete, and whether the stickers on the processor and graphics card slots on the motherboard have passive traces)

7. Check the memory. (Check the gold finger for scratches caused by repeated plugging and unplugging: immediately call the manufacturer's inquiry number to check whether a box of memory is genuine)

8. Check the hard disk and optical drive (check the screw holes for signs of wear and check the quantity).

9, check the graphics card, sound card and network card and other accessories. (Check whether the gold finger has scratches caused by repeated plugging and unplugging: carefully correspond to the product number, and pay attention to that the model of the graphics card should be exactly the same as that on the configuration sheet. )

10, check the display package. (Check the outer box of the monitor for traces of secondary packaging, and pay attention to the sealing at the bottom of the box. )

1 1. Check the power supply of the chassis. (Note: If it is the power supply attached to the chassis, check whether the power supply model is correct. )

The first thing to consider is whether the notebook you choose meets your own needs, including purpose and budget.

Secondly, we need to look at the after-sales of notebooks, because problems will inevitably occur during use and need to be after-sales.

Finally, when buying a machine, check whether the existing machine is a refurbished machine. From the appearance, first of all, look at whether the packaging sealant tape is intact, and secondly, look at whether there is dust between the notebook radiator and the keyboard seam. If it is a new machine, it should not be. Finally, you can bring your own USB flash drive, install the necessary 360 hard armor master, or Master Lu, and check the internal hardware use and factory conditions of the notebook!