The Troubleshooter's Hub

Laptop repair basics

Step-by-step guidance for common laptop hardware repairs, including battery and boot failures.

Symptoms

• Laptop does not boot after battery replacement.
• Screen stays black while fans spin briefly.
• Device shows no BIOS or POST activity.

Steps tried

1. Reseated the replacement battery.
2. Verified the charger and power adapter.
3. Removed and reseated RAM modules.

Repair process

1. Disconnect battery and AC power.
2. Hold the power button for 30 seconds to drain residual power.
3. Reinstall RAM and connect only the charger.
4. Power on and confirm the system posts.