Dell Latitude E7440 power off after 20 sec

[kingaarbi]

when switch on after 20 seconds turned off..and battery led blink for 2,3 seconds..
when it come 19 volt short. shortage already removed.
please advice.
thanks in advance

[OKRPKCOMP]

Re: Dell Latitude E7440 power off after 20 sec

when switch on laptop e7440 (la-9591p rev 1.0)
it turns off after some seconds
any help

[rediii]

Re: Dell Latitude E7440 power off after 20 sec

when switch on laptop e7440 (la-9591p rev 1.0)
it turns off after some seconds
any help

do you have any picture on screen? you need to measure the power rails first. check the power button and lid sensor, too. check bios afterwards