1. Cable badal kar dekhein. Bohat si sasti cables sirf charging karti hain, data transfer nahi. Original ya data-sync wali cable use karein — cable par "data" support likha ho.
2. USB port badal kar dekhein. Computer ke peeche wale (motherboard ke) port zyada stable hote hain. Front panel ke port aksar kam power dete hain.
3. Phone mein USB mode check karein. Cable lagane par notification aati hai "Charging this device via USB" — us par tap karke "File transfer" ya "MTP" select karein. Sirf charging mode par PC phone nahi dikhayega.
4. USB debugging on karein. Settings > Developer options mein "USB debugging" enable karein. Developer options nazar na aaye to About phone mein Build number par 7 dafa tap karein.
5. Computer par driver install karein. Samsung, Vivo, Oppo waghera ke apne USB driver hote hain. Company ki official site se driver download karke install karein.
6. Doosre computer par test karein. Agar phone kisi aur PC par detect ho jaye to aap ke computer ka port ya driver kharab hai.
7. Port aur cable dono theek hon aur phir bhi detect na ho to phone ke charging IC ya USB board ka masla ho sakta hai. Warning: port mein sui ya blade ghusa kar saaf karne se pin toot sakte hain — sirf soft brush ya hawa se saaf karein, warna achi repairing shop se check karwayein.
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