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    HP Envy 27 B210 AIO All-In-One Boot Problem

    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...
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    MacBook Pro 2019 A2141 820-01700 NAND Issue Stuck in DFU

    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...
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    820-000165 Dead

    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...
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