Mobile techno

When you switch on nokia 5700, it start and it shows a white screen, but it never shows nokia logo sound, then it shut down.

For this problem :

1. Check your batteray and batteray connector first, replace if needed

2. Check power button / switch on, replace if needed

3. If the problem not solved, check board for water damage, clean board if needed

4. If problem not solved, update your firmware with a newest ( reflashing firmware )

5. If the problem still not solved, maybe it cause hardware failure, trace circuit and troubleshooting.