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Help needed, T440p won't start after bios update

T430-T490, T530-T590 Series
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thinkpaddad
Posts: 1
Joined: Sat Dec 26, 2020 5:05 am
Location: Manila, Philippines

Help needed, T440p won't start after bios update

#1 Post by thinkpaddad » Sat Dec 26, 2020 5:17 am

Hi,

I just got a T440p yesterday. It was working perfectly until the following:

I reinstalled Windows and then I installed Vantage.

I installed all the latest drivers.
I also choose to install the bios update. The bios update ran in Windows and it asked me to restart. After restarting, the screen was blank. I tried powering it off and on and I saw the Thinkpad logo but after that the screen was blank.

I tried powering on and off again and there's no Thinkpad logo now and the screen is just blank with the green power on. No sound, no nothing.


Here's what I tried:
  • Pressing the power button 10 times and then holding it for 30 seconds. Unplugged and battery is detachted
  • Detached the CMOS battery and the reattached it
  • Removed the ram, harddisk and optical disk drive. Attached the battery and inserted the charger. I turned it on and there was a couple of beeps
  • Tried pressing FN+R and created a bootable USB
I'd like to ask: How do I fix this? What do I need to do?
  • Can I reflash the bios in some other way?
  • Do I need to buy a new motherboard? Will this solve the issue?
It's my first thinkpad and I'm really excited but I was bummed out that this happened. Can you please help me?

Thanks in advance!

P.S.
Happy holidays everyone! :)

davidgurvich
Freshman Member
Posts: 99
Joined: Fri Mar 19, 2010 8:07 am
Location: New York, NY

Re: Help needed, T440p won't start after bios update

#2 Post by davidgurvich » Sat Mar 13, 2021 11:23 am

Do you get anything on an external monitor? What kind of sequence were the beep codes? What happens if you remove the ram and try to start?
Egregious overbidder

Natakranta
Sophomore Member
Posts: 141
Joined: Mon Dec 30, 2019 3:48 am
Location: Dublin, Ireland

Re: Help needed, T440p won't start after bios update

#3 Post by Natakranta » Sun Mar 14, 2021 3:28 pm

Not sure but it looks like you interrupt BIOS flashing and borked the mobo.
Unless it is possible to flash the BIOS chip with a clip, you're pretty much in need of new mobo.

J888www
Freshman Member
Posts: 52
Joined: Sun Jul 04, 2010 9:59 am
Location: 英國

Re: Help needed, T440p won't start after bios update

#4 Post by J888www » Tue Mar 23, 2021 12:51 pm

The laptop may have had an Unlocked BIOS to install a component that's Whitelist prohibited.
If this is the case then flashing a BIOS will create issue to lock out that component which is most likely to be the WLAN card, so check that card to be compatible.

If it's simply BIOS Flashing issue, this can be remedied by using a Eeprom Bios Usb Programmer Ch341A + Soic8 Clip.

Youtube Link explains how to flash/unlock the current BIOS...and it is possible to unlock the current T440p BIOS version 2.55, I have mine successfully unlocked.
https://www.youtube.com/watch?v=xjvwpOnc1MY

NB. Back up the current BIOS of your laptop as it is specific to that particular machine, don't wipe the BIOS without a copy (keep a spare copy BIOS dump).
Often outspoken, please don't be offended.
T60p 2008HA8:T7600: 250GB qqd: 4GB RAM: Wins 11 Pro.
T60p 2007WUK:T7600: 250GB SSD: 4GB RAM: Wins 11 Pro.
T440p: i7-4712MQ: 1TB SSD: 512GB SSD: 16GB RAM: Wins 11 Pro.
X270: i7-7600U: 1TBSSD: 16GB RAM: Wins 11 Pro.

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