common problem:

Q: No image display?
A: Check whether the output (Vga) of the product is connected to the display device and the connection error.
Check whether the display device is transferred to the Vga input state.
Check if the maximum resolution supported by the product is 720P.
Check if the output device supports 720p.

Q: Is the projector connected to a notebook computer and no output image?
A: There are usually four kinds of display output control when the external display device of the notebook computer is used.
1. Laptop LCD screen is bright, external display device is bright.
2. Laptop LCD screen is bright, external display device does not shine.
3. Notebook LCD screen does not shine, external display device.
4. Notebook LCD screen does not shine, external display device does not shine.
Solution: simply press the laptop keyboard function key combination can be switched.

Q: After the projector is turned on, there is no image on the screen, how to check?
A: Solution:
1. Verify that the projector has power.
2. Check the AC outlet is normal.
3. Check the connection between the projector and the power cord.
4. If the projector is connected to a power source, make sure that the power is turned on.
5. If the projector has power but the light is still off, check that the projector is in standby mode.
6. Check the connection between the video source and the projector video connection cable and connector.

Q: How do I solve the problem of poor image quality when I connect a laptop to a projector?
A: Solution:
1. If you want to obtain better image quality, adjust the screen area in your computer's display settings to match the projector's resolution.
2. For some laptops, it may be necessary to disable the display to obtain the best image, especially when the resolution of the portable computer exceeds the projector resolution.
3. Smooth fonts to install Windows 98 with smooth fonts or use Microsoft Plus! For Windows. Smooth fonts automatically produce clearer font outlines on laptops and projectors.

Computer host, notebook, Blu-ray machine, PS3, 360XBOX HD hard disk player and so on to buy ----- audio new series plus audio cable

Transaction description

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1, the purchase of a small amount of single items can be directly photographed remittance to Alipay, without notice, the owner will press your registration information timely delivery;

2, if you need to purchase multiple items, please contact the owner to modify the postage, purchase multiple items with mail (not overweight) only received a real freight;

3, the owner can not be 24-hour Want Online, so you can directly Want or qq station or message, we will promptly reply after the on-line; urgent need to call us directly, the phone number in the view OUR home page.

4, if you choose the surface, please be patient, generally shipped after the arrival of the country 7-14 days; 30 days not available to query.

5, OUR general tact and Huitong delivery, if you want to reach other areas or choose other modes of transport, please shoot before the contact, mutually agreed.

6, the customer to buy before the problem as far as possible can be used by telephone contact us, you can quickly respond to your telephone consultation because too many online customers, there are too complex technical advice we may not have too much time to answer online, received After the goods if you find a problem, please contact the seller, we will be the fastest speed to deal with after-sales! Can online message! Phone and other forms!

7, after all the goods, please see clearly photographed, there is no doubt ask before asking, please do not after receipt as expected, do not apply to the owner.

8, the buyer should provide accurate

The consignee and the contact way.If the goods receipt information is wrong, causes the commodity not to be able to deliver or delays all losses, by the buyer all bear.

9, the buyer should first and logistics (post office, Qiyun, express delivery, etc.) unit staff on the spot unpacking check the goods, to confirm the quality and quantity of goods is correct and then sign, sign that the goods have been served by The buyer acceptance and other people on behalf of the sign and I personally confirmed the same sign, such as the number of goods and quality problems, the buyer should ask the logistics company issued a valid proof on the spot, shoot pictures and timely contact OUR, the shop will deal with discretion.

10, warranty and after-sales (five-star)
In the shop receipt date, 3 days of quality problems, please contact the owner, the shop can be free of return postage to the buyer to replace the new product, within 3 months of quality problems to pay the postage, 3 months later Buyers bear the back and forth warranty postage.

Cheng as the core, began in customer demand

To this letter, and finally customer satisfaction

We may not guarantee that every transaction is perfect, but we absolutely guarantee the interests of all customers! You have any questions, please contact us, and the rest of us to solve!