T430s won't boot, no beep, flashing battery light

T430/T440 and T530/540 series specific matters only
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Thinkpad4by3
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T430s won't boot, no beep, flashing battery light

#1 Post by Thinkpad4by3 » Wed Apr 19, 2017 8:44 am

My T430s has this problem where of I boot it up it will flash the keyboard and indicator lights like it will boot, then stop, then repeat without pushing the power button, no beeps, no screen.

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Thinkpads: 570e,A31p,T40,T42 x3,T42p UXGA,T60p,T61,X61s,X201,X220,X230,T410,T420,T430s(dead),X240 with mod.
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Re: T430s won't boot, no beep, flashing battery light

#2 Post by RealBlackStuff » Wed Apr 19, 2017 9:28 am

Remove the battery, power supply and HD/SSD, then press and hold down the Power button for 15-20 seconds.
Then put in only the charger and try to boot.
Also try another power supply if you have it.
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Thinkpad4by3
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Re: T430s won't boot, no beep, flashing battery light

#3 Post by Thinkpad4by3 » Wed Apr 19, 2017 11:21 am

Been there, done that. I swapped ssd, took out battery, 3 different chargers and a few more things including the keyboard.

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The only acceptable use for a MacBook is to shop for a Thinkpad.

Thinkpads: 570e,A31p,T40,T42 x3,T42p UXGA,T60p,T61,X61s,X201,X220,X230,T410,T420,T430s(dead),X240 with mod.
New: 701c, 755c, 755cdv
Others: Zenith 286 supersport, Mac Portable 5120, Tandy LT1400
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RealBlackStuff
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Re: T430s won't boot, no beep, flashing battery light

#4 Post by RealBlackStuff » Wed Apr 19, 2017 12:15 pm

Did you check/replace the CMOS battery?
Take out RAM, try to boot, does it beep 1-3-3-1?
If not, you may need a new mobo.
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