Dell inspiron 5520

[innocentforeign]

hi guys

i am facing a problem with dell inspiron 5520 that is not start up with battery when press the power button power come for 5 seconds . if plug the charger and battery laptop working fine . replace the new battery but same
any one face the same problem

i really appreciate any help

[Life Goes On]

Re: Dell inspiron 5520

Do you have the schematic, i think it will be easier with schematic to check.

[innocentforeign]

Re: Dell inspiron 5520

here is schematic

[innocentforeign]

Re: Dell inspiron 5520

guys

i got another problem update bios form windows now laptop not working with charger or battery if press the power button power come led on fan spin for five second and shutdown

old vision of bios was A07 and i update A14

[Life Goes On]

Re: Dell inspiron 5520

All the voltage on Page 44 are correct?, like PQ108 and PQ110 i think you have to start on that page and check that evrything is ok.

[Life Goes On]

Re: Dell inspiron 5520

guys

i got another problem update bios form windows now laptop not working with charger or battery if press the power button power come led on fan spin for five second and shutdown

old vision of bios was A07 and i update A14

Take the bios chip off and reflash it with programmer.

[innocentforeign]

Re: Dell inspiron 5520

thanks for help

flash the bios with programmer now laptop working with battery and charger but display not coming

any one have original bios file for dell insp 5520

[nazrul145]

Re: Dell inspiron 5520

post your old bios here

[ala_borbe]

Re: Dell inspiron 5520

backup old and try this

[innocentforeign]

Re: Dell inspiron 5520

thank you sir ala_borbe.. i already done it . last night i downloads bios file that was uploaded by you . that was same file now laptop working good .

thank you all for your support



download bios file from this post

https://www.badcaps.net/forum/showthread.php?t=43907

[ala_borbe]

Re: Dell inspiron 5520

np im glad to help