a1278 not power on

Please write all information:
1.Model from case
2.Board model/number
3.Describe problem clearly
Forum rules
Please write all information:
1.Model from case
2.Board model/number
3.Describe problem clearly
4.What you did to solve problem
Post Reply
satish panchal
Member
Member
Posts: 41
Joined: Tue Jul 12, 2016 1:29 pm

a1278 not power on

Post by satish panchal »

i have macbook a1278
m/b part no. 820-2879-b
in problem is not power on
on battery connector 12v not appear and 3.3 volt show properly
i have change isl 6259 and 51125
but same problem
nanooshazi
TOP poster
TOP poster
Posts: 54
Joined: Wed Apr 12, 2017 11:35 pm

Re: a1278 not power on

Post by nanooshazi »

u can change power dc connector or reprom bios
satish panchal
Member
Member
Posts: 41
Joined: Tue Jul 12, 2016 1:29 pm

Re: a1278 not power on

Post by satish panchal »

i have already change power connector and bios but same ..
Vinit bhandari
Member
Member
Posts: 48
Joined: Thu May 25, 2017 1:55 pm

Re: a1278 not power on

Post by Vinit bhandari »

brother can u tell me plz do u have volatge on coils 3v and 5v alws
Vinit bhandari
Member
Member
Posts: 48
Joined: Thu May 25, 2017 1:55 pm

Re: a1278 not power on

Post by Vinit bhandari »

ur dc jeck light glow or not
satish panchal
Member
Member
Posts: 41
Joined: Tue Jul 12, 2016 1:29 pm

Re: a1278 not power on

Post by satish panchal »

yes dc jack light glow...completly
satish panchal
Member
Member
Posts: 41
Joined: Tue Jul 12, 2016 1:29 pm

Re: a1278 not power on

Post by satish panchal »

anyone help me...how to place nvidia chip without xray machine..
how to put perfect place nvidia chip on motherboard
User avatar
Aashish chauhan
Newbie
Newbie
Posts: 12
Joined: Tue Jun 20, 2017 3:29 am

Re: a1278 not power on

Post by Aashish chauhan »

PPVRTC_G3H = RTC VCC = OUT FROM GREEN CLOCK.
Post Reply

Return to “Ask for Laptop Repair help!”

Who is online

Users browsing this forum: No registered users and 7 guests