Use Dell 19.5V 4.62A 90W 7.4MM*5.0MM need pay attention to some matters:
1. Carefulnessly read narrate book of battery,use commendatory adapter.
2. Research whether the electric appliance and the Dell 19.5V 4.62A 90W 7.4MM*5.0MM adapter contact elements is whether clean, when necessity clean with the wet cloth mop, after dry loads according to the correct polar direction.
3.When non-adult cust Read More
1. Carefulnessly read narrate book of battery,use commendatory adapter.
2. Research whether the electric appliance and the Dell 19.5V 4.62A 90W 7.4MM*5.0MM adapter contact elements is whether clean, when necessity clean with the wet cloth mop, after dry loads according to the correct polar direction.
3.When non-adult cust Read More
