Hi Waterdrop,
Welcome to Sony Community!
May we have the exact model name and current operating system of your Sony Vaio computer? You may perform a power reset to isolate the issue. Turn it off and unplug all connected devices especially the AC power adapter. Remove the battery and hold the power button for 5 seconds. Look for a battery off button usually located on the bottom if the battery is built-in.
Regards,
Vincent
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