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6 Posts

03-22-2014

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P71 doesn't start

2019-09-10, 13:54 PM

I have a P71 just 3 months out of its 1 year warranty and it does not start. The power button light is green but pressing it does nothing: no fans, no beeps.

 

Things I tried:

  • I removed AC and the battery for a while, re-inserted. Nothing.
  • I removed the battery, AC power, disconnected the CMOS battery for many minutes. Re-installed all. Nothing.
  • I removed my WIFI module, two M.2 SSDs and all 4 SODIMMs, battery+AC, disconnected CMOS battery for many minutes. Re-installed just CMOS battery + battery + AC (left out drives, ram, and wifi). Nothing.

All signs point to a bad motherboard. 

What are my options? How much is a new motherboard?

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10387 Posts

01-02-2010

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Re: P71 doesn't start

2019-09-10, 14:21 PM

That sounds poor.  There is only one more thing I would try before searching eBay for a motherboard.  Try starting without the main battery - on A/C alone.  If the battery is shorted, it will act like that.


Rich


I do not respond to requests for private, one-on-one help. Your questions should be posted in the appropriate forum where they may help others as well.

If a response answers your question, please mark it as the accepted solution.

I am not an employee or agent of Lenovo.
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104 Posts

09-08-2019

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  • Message 3 of 9

Re: P71 doesn't start

2019-09-11, 1:47 AM

Is it possible that your charger is dead and battery is discharged?

Can still give out enought juice to drive that green light but nothing else.

Just a wild guess ...

P73 6c Xeon, RTX 5000, 2TB NVMe Samsung x 2, 7.6TB 2.5 SATA Micron SSD, 64gb ECC ram
Prior: Razer Blade Pro, Variety of Mac Books (2001 - 2015)
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10387 Posts

01-02-2010

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Re: P71 doesn't start

2019-09-11, 3:32 AM

the green light doesn't flash until the power circuitry identifies a good 20v


Rich


I do not respond to requests for private, one-on-one help. Your questions should be posted in the appropriate forum where they may help others as well.

If a response answers your question, please mark it as the accepted solution.

I am not an employee or agent of Lenovo.
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6 Posts

03-22-2014

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Re: P71 doesn't start

2019-09-11, 12:05 PM

Is it possible that your charger is dead and battery is discharged?

 

Don't think so - I have two chargers and tried both.

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6 Posts

03-22-2014

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Re: P71 doesn't start

2019-09-11, 12:07 PM
No luck using A/C alone. Thanks.
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6 Posts

03-22-2014

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  • Message 7 of 9

Re: P71 doesn't start

2019-09-11, 12:09 PM

Another question: has anyone successfully had Lenovo fix a laptop just out of warranty? I've bought a lot of Lenovos and never had one die 15 months later. It makes me question the quality of the brand.

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6 Posts

03-22-2014

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  • Message 8 of 9

Re: P71 doesn't start

2019-09-11, 12:26 PM

And another question...

My P71 has 64gb ram and two M.2 1tb drives. I'm fairly sure they are still good and they are a major chunk of the cost of the laptop. Is there a "Lenovo depot" or something where I can buy a barebones "old/new" P71 (with 2-3 year warranty) cheaply and install my RAM and disks?

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10387 Posts

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Re: P71 doesn't start

2019-09-12, 1:26 AM

There is an outlet store at 

https://www.lenovo.com/us/en/outletus/laptops/c/LAPTOPS

but they would be more likely to have a P72 than a P71

 

There is eBay


Rich


I do not respond to requests for private, one-on-one help. Your questions should be posted in the appropriate forum where they may help others as well.

If a response answers your question, please mark it as the accepted solution.

I am not an employee or agent of Lenovo.
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