how to enable my built in Bluetooth

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Mar 6, 2025
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Hi everyone,
i am using lenovo 4174cw8 with windows 7 OS and not able to enable built in Bluetooth,there is a bluetooth logo on Lenovo flashes when laptop boot,
i can not find if it is hardware or software problem
how can i find if my laptop has bluetooth hardware in first place or it was taken from my laptop by second hand
i am uploading photo that shows logo of bluetooth and tear down of back of laptop
thanks in advanced
 

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