How to know the laptop keyboard is broken?
Press and hold the Shut Down key to shut down.
Then unplug all the connecting cables of the notebook.
Leave it for 1 minute, and then press the power on button, there will be two situations:
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How to know the laptop keyboard is broken?
1. The machine cannot be started. At this time, wait for a few minutes, and then press the power on button. At this time, the system will power on, and the keyboard will recover
How to know the laptop keyboard is broken?
2. If you find that the computer is turned on immediately, you need to judge whether the keyboard is restored after the computer is turned on. If it is not recovered, plug in the power cord, start the machine, and repeat the above steps. If it is recovered, solve the problem.
You can use KeyboardTest to detect whether the keyboard is broken. The specific process is as follows.
1. Download and install the software. The main interface of the software is a keyboard, which is very intuitive to use;
2. Before the test, adjust the input method of the system to English;
3. Then you can test the key positions on the keyboard one by one. If you press a key position, but the green grid of the key position is not lit, it indicates that there is a problem with the key position;
4. Click “Test LED” at the bottom left corner to check whether the LED indicator on the keyboard is normal.
How do I know if the computer keyboard is broken?
When the lock key of the laptop is turned on, there will be corresponding indicators on the C side. If those indicators are not on, it is a system or keyboard problem. You can try to connect an external keyboard. If it can be used normally, it indicates that there is a problem with the built-in keyboard of the notebook. It is recommended that you send it to the official website service center for inspection and maintenance.
The steps to identify the quality of the laptop keyboard are as follows: 1. The appearance should be free of scratches or obsolescence, otherwise it is easy to buy a laptop keyboard; There should be clear identification of parameters, performance and applicable models; The laptop keyboard should not have been opened.
How to know the laptop keyboard is broken?
2. Check that the package should have a brand. Neutral packaging products without brands are easy to buy low-quality products or second-hand refurbished products due to the mixture of good and bad; There should be anti-static sealing bag, anti-static sponge lining, etc. These are the basic configurations to protect the laptop keyboard; There should be a barcode. Barcode is the standard and authoritative mark for unified management and identification of commodities. 3. Check that the laptop keyboard with formal guarantee statement and after-sales commitment should have a certificate of conformity, and have a warranty period of one year from the date of delivery. If there is no such commitment, the quality of the notebook keyboard used and other materials may not be qualified.
When the lock key of the laptop is turned on, there will be corresponding indicators on the C side. If those indicators are not on, it is a system or keyboard problem. You can try to connect an external keyboard. If it can be used normally, it indicates that there is a problem with the built-in keyboard of the notebook. It is recommended that you send it to the official website service center for inspection and maintenance