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P50 Not Turning On
P50 Not Turning On
I picked up a P50 on eBay but without a charger or battery. (the photos suggested that booted to the Lenovo Logo)
I have a few other Thinkpads laying around the house with 90W chargers, so I tried to power up the P50 using one.
When I turn it on, a few lights flicker on the keyboard, but unfortunately, it doesn't power up.
I am trying to figure out if it won't power up because I'm not using the original 170W charger and a battery installed? Or if it should at least power on with the 90W charger, there could be another problem.
I am trying o diagnose whether it isn't working due to the lack of power before I Invest money into restoring it, or if whether, in theory it should work, or if anyone else has been able to power up their P50 from a 90W charger without the battery installed, as I am concern it could be a motherboard issue.
Any help would be appreciated.
I have a few other Thinkpads laying around the house with 90W chargers, so I tried to power up the P50 using one.
When I turn it on, a few lights flicker on the keyboard, but unfortunately, it doesn't power up.
I am trying to figure out if it won't power up because I'm not using the original 170W charger and a battery installed? Or if it should at least power on with the 90W charger, there could be another problem.
I am trying o diagnose whether it isn't working due to the lack of power before I Invest money into restoring it, or if whether, in theory it should work, or if anyone else has been able to power up their P50 from a 90W charger without the battery installed, as I am concern it could be a motherboard issue.
Any help would be appreciated.
Thinkpads
X61s - C2D L7500 1.60Ghz, 2G, 100GB | X31 - PM 1.4Ghz, 1G, 40GB | T40 - PM 1.5Ghz, 512MB, 40GB | R40 (the beast) - PM 1.4Ghz, 256MB, 20GB | 390X - P Celeron 400Mhz, 96MB, 6.4, | 755c (Golden oldy) - 486DX7 75Mhz, 20mb, 510mb - Still works | 730TE Tablet
X61s - C2D L7500 1.60Ghz, 2G, 100GB | X31 - PM 1.4Ghz, 1G, 40GB | T40 - PM 1.5Ghz, 512MB, 40GB | R40 (the beast) - PM 1.4Ghz, 256MB, 20GB | 390X - P Celeron 400Mhz, 96MB, 6.4, | 755c (Golden oldy) - 486DX7 75Mhz, 20mb, 510mb - Still works | 730TE Tablet
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Re: P50 Not Turning On
According to the P50 frubom/parts list and the PSREF, only a 170w PSU is listed, so that may well be your problem.
Lovely day for a Guinness! (The Real Black Stuff)
Lenovo: X240, X250, T440p, T480, M900 Tiny.
PS: the old Boardroom website is still available on the Wayback Machine.
Lenovo: X240, X250, T440p, T480, M900 Tiny.
PS: the old Boardroom website is still available on the Wayback Machine.
Re: P50 Not Turning On
I think RBS maybe on to something.
Hopefully you can borrow a 170w adapter to try. If you were closer I could send you one to try.
Brad
Hopefully you can borrow a 170w adapter to try. If you were closer I could send you one to try.
Brad
Long Island New York
T43p 2669-Q1U, A22p's UTU A21p HXU
Transnote, 770's 8AU, 600, 701CS, 755CD
T43p 2669-Q1U, A22p's UTU A21p HXU
Transnote, 770's 8AU, 600, 701CS, 755CD
Re: P50 Not Turning On
It wouldn't surprise me to know it won't boot on a power supply with 80 watts less that what it requires. Startup requires more power than just having it sitting at idle.
A31p P-IV 2Ghz, 2MB, 2653-R6U
T500 T9600 2055-BE9
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T510 i7 4349-A64
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T500 T9600 2055-BE9
T510 i5 4384-DV7
T510 i7 4349-A64
T520 i7QM 4242-4UU Highly Modified
T16 i7 1260P 21BV000SUS
Re: P50 Not Turning On
Thanks for your help all. Found a friend who has a W541 and I was able to borrow their 170W charger. The P50 works like a dream. Crisis adverted. I would have been very disappointed if it was a motherboard problem.
Thinkpads
X61s - C2D L7500 1.60Ghz, 2G, 100GB | X31 - PM 1.4Ghz, 1G, 40GB | T40 - PM 1.5Ghz, 512MB, 40GB | R40 (the beast) - PM 1.4Ghz, 256MB, 20GB | 390X - P Celeron 400Mhz, 96MB, 6.4, | 755c (Golden oldy) - 486DX7 75Mhz, 20mb, 510mb - Still works | 730TE Tablet
X61s - C2D L7500 1.60Ghz, 2G, 100GB | X31 - PM 1.4Ghz, 1G, 40GB | T40 - PM 1.5Ghz, 512MB, 40GB | R40 (the beast) - PM 1.4Ghz, 256MB, 20GB | 390X - P Celeron 400Mhz, 96MB, 6.4, | 755c (Golden oldy) - 486DX7 75Mhz, 20mb, 510mb - Still works | 730TE Tablet
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