I cannot turn on my laptop. What should I replace?

I'm trying to bring back my dead 2010 Macbook Pro 15 for my normal daily usage. So far, I'm thinking of changing the battery and upgrading to SSD. I have already upgraded it to 8GB last time.

I wanna check if this is worth trying because I don't actually know what is the problem with my MBP since it won't start. I was hoping I could get some input from you guys:

My observation:

  • I think the battery doesn't hold charge anymore. When I pressed the battery indicator light, the light is blinking (green colour).
  • The charger light is showing green light.
  • I left the charger plugged to the MBP and I don't know how but it will turn up but dies 1 second afterwards (I noticed this happened like every 30-40 minutes of being plugged in).
  • I tried the PRAM and SMC reset (not sure whether that would help, but I tried it anyway), nothing happen.
  • I removed the battery and still it won't start. Looked up online and saw the SMC reset, still it doesn't turn on.

Please advice on whether I should get a replacement battery or my MBP is way beyond saving.

Ответ на этот вопрос У меня та же проблема

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To be clear here the battery tester on your system is only showing one blinking LED (out of 8)?

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Can you give us some additional background information when the system had stopped working. Did you get the system wet or have a liquid spill? Did you drop or bang the system?

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Dan, all 8 LED lights are blinking. To be honest, I don’t remember much since I stored it away. If I recalled correctly, my macbook battery cannot hold any charge and I had to rely on charger to use it. If I knock the charger, it will turn off. The system was alright and there were no physical damage to the laptop.

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