A device that appears completely dead may have an empty battery, a failed charging connection, a temporary software freeze, or a hardware fault. The order below helps separate those possibilities safely.
Do not charge or press on a device that is swollen, smoking, hissing, leaking, unusually hot, or strongly chemical-smelling. Move away from flammable material if safe and contact qualified service.
1. Confirm the power path
Inspect the outside
Look for major impact damage, liquid in the charging area, or a case that is pressing a button. Remove the case if it can be removed without force.
Use a known-working charger
Connect a compatible cable and power adapter to a wall outlet you know works. Avoid low-power computer ports for this test.
Check for any response
Watch for a charging symbol, sound, vibration, warmth near the charging circuit, or a computer recognizing the device. Even a brief response is useful evidence.
2. Give an empty battery time
A deeply discharged battery may not show a symbol immediately. Leave the device connected to the known-working charger for at least 30 minutes, then try the normal power button once.
If nothing changes, test another compatible cable, then another adapter, then another outlet. This makes it clear which part of the power path failed.
3. Try a forced restart
A forced restart does not normally erase data. Button sequences vary by model; use the manufacturer’s official sequence for your exact device. A common modern sequence is quick Volume Up, quick Volume Down, then hold the Side button until the startup logo appears.
- Keep the device connected to power during the restart attempt.
- Hold the final button long enough; a frozen device can take 15–30 seconds to respond.
- Try the sequence once carefully instead of repeating it rapidly.
4. Decide the next step
If the device is recognized by a computer but the screen remains black, use the black screen guide. If there is no response after a known-working charger, adequate charging time, and the correct forced restart, hardware service is the sensible next step.
A recovery or restore can erase data. Do not choose a restore solely because the device will not turn on unless you have a backup or accept the possibility of data loss.