For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.
Hello! I have a problem with 2 machines, exact same model same issue.
They are HP ENVY 27-b100 All-in-One Desktop, Model No.27 B210
On bootup, they give both led and speaker beeps together, 3 long and 4 shorter beeps.
The power supplies are original HP 200W, and i bought 2 replacement PSU's...
MacBook Pro 2019 A2141 820-01700 NAND Issue Stuck in DFU
Ok, here's an issue ive got on a A2141 820-01700 MBP 16' 2019. No signs of life, 5.06v 0.0a on usb-c meter, on each 4 usb-c ports.
Nand voltages are missing.
I've found no shorts at all so far, no signs of heat via thermal camera...
Hello, i have this macbook air here 820-00165 which was dead, clean no signs of water anywhere. Found out with some help that smc_reset_l was low (0.9v) and replaced U5110 and this voltage got back to it's normal value. Got green and orange light on magsafe, it booted but was sluggish to death...