Dell Inspiron 1564 i3 no power

[obetskie1960]

Good day!

I'd been googling the problems of my laptop for the last 6 days and I cant find any solution at all and this prompts me to join your forum.

Problem:
1. When I plugin the ac adapter and turn on the power button there's no sign of life at all except for the 2 blinks light from the battery indicator.
2. Fan not spinning.
3. Hdd and dvd not spinning.

Action taken:
1. Check the output of ac adapter via multimeter and it register 19.6 volts.
2. Check the harness dc jack output to the motherboard 19.6 volts.
3. Remove the mobo from the case and detached everything connected from it and repeated step 1 with only cpu, fan and ram connected.
4.clean the fan, reapply thermal paste to cpu and clean gpu.
5. Replaced ram with known good ram and test on 2 ram slots.
6. Replaced cmos battery
7. Hard reset trick and repeated thrice or more.
8 check the continuity of power button cable, ok.

After doing the above steps i cant still figure it out what seems to be the problem with my laptop.

I really love try to test on the chipset level but i dont know which chipset should i check. I would appreciate it very much a prompt reply from you guys. Thank you

 

[Laptop_Nerd]

Hi,

You've actually done all the possible troubleshooting steps that should have fixed it or identify the problem. It seems like the motherboard is already dead unfortunately. Have you tried a different AC adapter with your laptop or even try booting it up without its battery? If your laptop is still under the factory warranty do contact Dell for a repair already or if it's not you'll need to replace the motherboard already. 🙁

 

[obetskie1960]

Thank you for the quick reply.

I did try different ac adapter and power on without the battery. I just to know how to identify the power chip so that i can check it via multimeter or reflow it if possible