Education

We are upgrading this article with verified, step-by-step guidance. Meanwhile, here’s the quick help summary:

• Tell us your device model + exact error message.
• Share what changed recently (update, cable, router, HDD, power issue).
• We will guide you with safe diagnostics first.

Need urgent support? WhatsApp 9734290001. Service by Dalmia Computers, Purulia.

(Original draft kept safely in server backup folder: /knowledge/.broken/)