Sound card driver update
The voice is not clear? It may be a sound card driver problem. Try to drive the elves or life, easily update the driver, and the sound will become clear in seconds!
Virus killing
Computers are as slow as snails? It may be a virus! Open task management, check the process, and find out the thief who stole memory or CPU! Not sure? Baidu helps you distinguish the true from the false! Once the virus is found, immediately turn on the anti-virus software, enter the safe mode, thoroughly sweep the virus, and let the computer return to the peak!
System configuration upgrade
Software flashback? Maybe the system configuration is insufficient! But don't worry, this problem usually doesn't appear on new computers!