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1.Connect an external monitor to see if the system has been started but there is a problem with the display;
2.If the external monitor sees that the system has been started normally, check the switch above the notebook keyboard for turning off the power supply when the display screen is closed, a contact switch that can move up and down, press it many times, shake it gently, and see if it is caused by the failure to bounce up normally after being pressed, resulting in the display not being able to supply power;
3.If the external monitor cannot be displayed, and the power-off switch of the pop-up display screen cannot be displayed, it may be a system problem;
4.If you want to connect an external monitor unconditionally, please operate Step 2; Or reboot the computer and pay attention to whether the display screen is black at the beginning of the system boot in the DOS boot state. If the screen is black when the DOS boots and there is no normal self-test sound, it is mostly a system failure.
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Hello. In this case, it is recommended that you go to the nearest Xiaomi Home or Xiaomi after-sales service to let the engineer help you test it.
If it is within the "three guarantees" policy, it will be repaired to you free of charge.
The following is the query of Xiaomi Home and Xiaomi after-sales outlets. Mi Home address inquiry.
Check the address of Xiaomi's authorized repairer outlets.
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Summary. Hello dear,The speaker power indicator is not on,If you can determine that the power socket has power,The possible reasons are:
1. The speaker power switch is damaged.
2. The AC fuse is burned.
3. The power transformer is damaged.
4. The rectifier circuit is damaged.
5. The DC fuse is burned.
6. There is a component on the circuit board that is broken (brokendown) and the power supply part or fuse is damaged.
What's going on with the Bluetooth speaker charging indicator not lighting up.
Hello dear, the speaker power indicator is not lit, if you can determine that the power socket has electricity, the possible reasons are: 1, the speaker power switch is damaged 2, the AC fuse is burned 3, the power transformer is damaged 4, the rectifier circuit is damaged 5, the DC fuse is burned 6, and the circuit board has a component open circuit (breakdown) that causes the power supply part or the fuse to be damaged.
Logitech's Bluetooth speaker.
Yes dear, it is possible that there is a problem in these places.
Can your stereo still make sound?
If it's okay, it's not that big of a problem.
Logitech can be used in Shanghai** has a specialty shop.
Everything is normal, but it can't be charged.
That's a problem with the charging port.
Oh ok, thanks.
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The Bluetooth speaker charging indicator light is on, why can't it be turned on.
Hello dear,Bluetooth speaker charging indicator light on,Why can't it be turned on:This situation should be the battery charge of the Bluetooth speaker。 Even if it is charged, it will not be charged.
Or there is a problem with the circuit board of the Bluetooth speaker, resulting in the inability to open the Bluetooth speaker, which refers to the built-in Bluetooth chip, which replaces the traditional cable connection audio equipment with Bluetooth connection, and connects with Bluetooth devices such as mobile phones, tablets and laptops to achieve the purpose of convenience and speed. Bluetooth speakers are mainly portable speakers, the shape is generally small and portable, Bluetooth speaker technology is also gradually valued and accepted by consumers by virtue of its convenient characteristics, most of the common Bluetooth speakers on the market are mono speakers (single speaker unit), and some multi-channel speakers with excellent sound quality (two or more than two speaker units) have also emerged
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Summary. What should I do if the Bluetooth speaker display light is always on and can't be charged Hello dear, the charger is broken, replace the charger. The charging cable is broken, just replace the cable.
If my answer is helpful to you, please give a thumbs up (in the lower left corner), I look forward to your like, your efforts are very important to me, and your support is also the motivation for my progress. Finally, I wish you good health and a good mood!
What should I do if the Bluetooth speaker display light is always on and can't be chargedHello dear, the charger is broken, replace the charger. The charging cable is broken, just replace the cable. The battery cannot be charged and the battery needs to be replaced.
The power management line of the speaker motherboard is faulty, and the speaker motherboard needs to be repaired. Hope it helps. If my answer is helpful to you, please also give a thumbs up (comment in the lower left corner), look forward to your like, your efforts are very important to me, and your support is also the driving force for my progress.
Finally, I wish you good health and a good mood!
His display light is on, and it can be turned on for 10 seconds when plugged in the charger, and then it will be turned off, and it can't be turned on without plugging in the charger.
His display light is on, plug in the charger can turn on for 10 seconds, and then turn off, don't plug in the charger can't turn on Hello dear, change a new battery to bend loss, or check whether the wiring of the battery is not oxidized contact is not good, scratch clean and try again. Hope it helps. If my answer is helpful to you, please give a thumbs up (rate it in the lower left corner), look forward to your like, your efforts are very important to me, and your support is also the motivation for me to improve and laugh.
Finally, I wish you good health and a good mood!
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Summary. No matter what kind of device, as long as it is a battery charging power supply mode, it cannot be charged:1
External charging equipment problems and poor contact with the charging cable and interface, 2. Poor contact between the internal battery and the interface line, 3. If there is a charging control circuit inside, the circuit may fail, and 4. The battery itself is damaged.
No matter what kind of equipment, only the limb hunger change if it is a battery charging power supply mode can not be charged: 1External charging equipment problems and poor contact with charging lines and interfaces, 2. Poor contact between the internal battery and interface wires, 3. If there is a charging control circuit inside, the circuit can be judged to be faulty, and 4. The battery limb itself is damaged.
I'm still a little confused, can you be more detailed?
If the charging cable is plugged into the banquet, and the charging light is on and cannot be charged, it means that there is a problem with the audio and needs to be sent for maintenance and inspection. 2. If the light does not light up when plugged in, it is possible that the charger has a silver failure, and you can change a charger to try. 3. If the charger is not the original one, it may be that the polarity of the charger is reversed (the positive and negative poles are reversed).
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Summary. Bluetooth speaker can not be charged, the common reasons and solutions are as follows: 1. The charger is broken, replace the charger.
2. The charging data cable is broken, just replace the data cable. 3. The battery cannot be charged, and the battery needs to be replaced. 4. The power management circuit of the speaker motherboard is faulty, and the audio motherboard needs to be repaired.
Bluetooth speaker can not be charged, the common reasons and solutions are as follows: 1. The charger is broken, replace the charger of Wang Jianzao. 2. The charging data cable is broken, just replace the data cable.
3. The battery cannot be charged, and the battery needs to be replaced. 4. The power management circuit of the speaker motherboard is faulty, and the audio motherboard needs to be repaired.
Can you tell us more about that?
Bluetooth speaker can not be charged, the common reasons and solutions are as follows: 1. The charger is broken, replace the charger of Wang Jianzao. 2. The charging data cable is broken, just replace the data cable.
3. The battery cannot be charged, and the battery needs to be replaced. 4. The power management circuit of the speaker motherboard is faulty, and the audio motherboard needs to be repaired.
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