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T450 bricked - am I in danger?

T430-T490, T530-T590 Series
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stumpie92
Posts: 9
Joined: Sun Feb 16, 2020 11:23 am
Location: Colchester, England

T450 bricked - am I in danger?

#1 Post by stumpie92 » Sun Jun 21, 2020 9:51 am

Rewrote my T450 BIOS (screen whitelist issue) but machine is dead and I need to reopen it. Normally you disable the internal battery in the BIOS before opening the case. What might go wrong if I just open the case? I don't seem to have any options here, but forewarned is forearmed! All debricking tips welcome of course.
( 355 - 600E - 770 - X20 - T40 - T41 - T60 ) T410 - T450
(IBM indoctrinated) retirement addicted
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RealBlackStuff
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Re: T450 bricked - am I in danger?

#2 Post by RealBlackStuff » Sun Jun 21, 2020 10:35 am

Remove external battery and AC, then open the case.
Disconnect the internal battery before you go any further.
Then go play with your flasher, i.e. reload your (hopefully saved) 'old' BIOS.
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.
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stumpie92
Posts: 9
Joined: Sun Feb 16, 2020 11:23 am
Location: Colchester, England

Re: T450 bricked - am I in danger?

#3 Post by stumpie92 » Mon Jun 22, 2020 4:58 am

OK @RealBlackStuff, thanks for that reassurance. I know you don't want stray voltages when ICs are about. BTW can I run my machine OK without the cover? Quite a pain getting it on and off while playing!
( 355 - 600E - 770 - X20 - T40 - T41 - T60 ) T410 - T450
(IBM indoctrinated) retirement addicted
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RealBlackStuff
Admin Emeritus
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Posts: 23825
Joined: Mon Sep 18, 2006 5:17 am
Location: Loch Garman, Éire

Re: T450 bricked - am I in danger?

#4 Post by RealBlackStuff » Mon Jun 22, 2020 5:02 am

Yup, no 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.
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