06-28-2018 01:15 AM
I need some help because I am torn on how and why my laptop is not turning on-- maybe battery, Ac or some hardware problem. model is s400
1. when battery is used it charge to 5% only and will stop charging, then a moment later it will show a low bat sign and will shut down.
2. when I remove the battery and connect the ac adaptor directly, no sign of power light and the unit won't open.
Pls help me with this.
06-28-2018 10:39 AM
Welcome to the Community Forums.
The hardware mnaual shows user steps to check power issues here on page 21-22. This would help isolate ac charger issue against battery and systemboard/ internal part.
If a known good charger do not work then it would be best to check internally, starting with the DC port going inside the laptop. You may need a board technician that is skilled to map the fault it it comes with system board failure.
If there is a known good battery with at least 50 % that is able to make the machine boot to Windows then we isolate the problem to be limited on the how it recieves power (adapter / dc in port/ power board and cable).
I hope this helps answer your query.
Update us how it goes.