Praveen Sahwal
Member
Hi,
I’ve got a MacBook Pro A2159 (820-01598-A) that keeps recycling before chime/Apple logo every 3–4 minutes.
No visible damage or broken components found. The following signals keep rebooting every 2–3 minutes:
Meanwhile, these remain stable:
Any thoughts on what could be causing the issue?
I’ve got a MacBook Pro A2159 (820-01598-A) that keeps recycling before chime/Apple logo every 3–4 minutes.
No visible damage or broken components found. The following signals keep rebooting every 2–3 minutes:
- PP1V8_AWAKE
- PP1V1_SLPS2R
- PP3V3_AWAKE
- PP1V8_SLPS2R
- PP0V8_SLPS2R
Meanwhile, these remain stable:
- PP3V3_G3H_PMU_VDDMAIN
- PP3V3_G3H_RTC
Any thoughts on what could be causing the issue?