power adapter flashes when plugged in to laptop, unit wont power up
crwdns2934249:0crwdne2934249:0:
Alienware 15r2,
AC adapter light flashes once plugged in to laptop. It then has to be removed from power to reset it. Kinda like it senses a short when plugged in and goes into a safe mode.
I have replaced DC input assembly inside the laptop. Checked all connections to the best of my limited ability. Looking through forums , the next step seems to be replacing the mainboard. Just wondering if there is a test to determine if this is really required.
Thanks for any info
Cheers
Phil