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Duffman
Fanfold Paper
Posts: 1
Registered: ‎10-15-2015
Location: Deutschland
Views: 653
Message 11 of 12

Re: T400 won't start up after battery was drained

 

I have had the same problem (black screen boot) , I even replaced the CMOS-Battery. No improvement.

 

These are the patterns I have been able to establish so far:

-The problem always occurs when I unplug AC plus Battery for a few seconds

-Reliable work-around is unpluging and directly repluging the AC within a second. Condition: Battery must be plugged in.

-If no AC is at hand, I have been able to recreate this work-around a two times by wiggleing the battery firmly.

 

-However, the problem still occurs frequently without any clear correlation yet.

 

Any ideas how to further approach this?

 

coombsie11
What's DOS?
Posts: 1
Registered: ‎11-29-2017
Location: GB
Views: 163
Message 12 of 12

Re: T400 won't start up after battery was drained

Zorkon

  

    legend that you are. This really saved my bacon. Worked a treat.

 

Cheers.

AL C.  UK bloke 

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