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SCSI Port
Posts: 115
Registered: ‎10-03-2011
Location: Ontario, Canada
0 Kudos
Accepted Solution

T400 locks up when A/C adapter is plugged in to it.

Here is yet another problem with my $100 T400.

When my T400 is plugged in to A/C and I boot it up, it freezes and keeps rebooting.

When it is running on battery it seems to run ok.

When the battery starts to run down and I plug in the A/C adaprter it automatically freezes up.

it is a 65W 20 V Lenovo adapter. FRU 42T 5283.

Could there be a problem with the adapter?

Lenovo A1-07, T40 Thinkpad, T400 Thinkpad, iPhone 4s
802.11n
Posts: 410
Registered: ‎08-13-2010
Location: Tucson, Arizona
0 Kudos

Re: T400 locks up when A/C adapter is plugged in to it.

What happens when you remove the battery and then boot with the A/C adapter?

SCSI Port
Posts: 115
Registered: ‎10-03-2011
Location: Ontario, Canada
0 Kudos

Re: T400 locks up when A/C adapter is plugged in to it.

with the battery removed and the adapter plugged in it tries to boot, but just to a black screen, then rebooots, doesn't even make it to the Lenovo splash page.

Lenovo A1-07, T40 Thinkpad, T400 Thinkpad, iPhone 4s
Posts: 20,898
Topics: 128
Kudos: 1,253
Solutions: 1,344
Registered: ‎12-19-2008
Location: Australia, Melbourne

Re: T400 locks up when A/C adapter is plugged in to it.

this is most likely a motherboard issue. There is a reason your T400 was sold at that price.
Regards,

Jin Li

May this year, be the year of 'DO'!

I am a volunteer, and not a paid staff of Lenovo or Microsoft
SCSI Port
Posts: 115
Registered: ‎10-03-2011
Location: Ontario, Canada
0 Kudos

Re: T400 locks up when A/C adapter is plugged in to it.

My motherboard is a 60Y 3751

what is a replacement number?

Lenovo A1-07, T40 Thinkpad, T400 Thinkpad, iPhone 4s
Retired Guru
Posts: 1,053
Registered: ‎12-19-2011
Location: Malaysia

Re: T400 locks up when A/C adapter is plugged in to it.

ervink,

Drop me a PM on your MTM and S/N. Will try to get the FRU part for you.
*Non Lenovo employee*

I have a Y2P (i5) ... Feel free to ping me if you want me to test some applications with your Y2P if you have the same model. I don't mind keep doing recovery on it if needed .... =)
SCSI Port
Posts: 115
Registered: ‎10-03-2011
Location: Ontario, Canada
0 Kudos

Re: T400 locks up when A/C adapter is plugged in to it.

Will send PM tonight, I'm just got to work.
Lenovo A1-07, T40 Thinkpad, T400 Thinkpad, iPhone 4s
Retired Guru
Posts: 1,053
Registered: ‎12-19-2011
Location: Malaysia

Re: T400 locks up when A/C adapter is plugged in to it.

ervink,

As per your MTM: 7417RH4, the compatible planar for your system as follows.

- 60Y3751
- 63Y1189

hope that helps.
*Non Lenovo employee*

I have a Y2P (i5) ... Feel free to ping me if you want me to test some applications with your Y2P if you have the same model. I don't mind keep doing recovery on it if needed .... =)