Ec Mec1503
No solution by dump bios...
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try
or
[URL]https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-laptops-tablets-and-mobile-devices/bios-requests-only/3237235-lenovo-thinkpad-ec-pwd-bypass?p=3259075#post3259075[/URL]
Clear Password NPCE68AP
3C420 to 3C45F and 3D420 to 3D45Fhttps://try<br /> or<br /> [URL]http...]<br /> <br />...Last edited by Maxpower3; 04-25-2024, 12:37 PM.
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[URL=filedata/fetch?id=3259195&d=1713979486][ATTACH=JSON]{"alt":"Click image for larger version Name:\tNouveau Image bitmap.png Views:\t0 Size:\t6.76 MB ID:\t3259195","data-align":"none","data-attachmentid":"3259195","data-size":"thumb"}[/ATTACH][/URL]
Connect your motherboard to an external screen or with the original LCD, being careful.
Uses a USB keyboard to make things easier and avoid communication problems with the KBC(Ec)
Prepare a ground wire.
When everything is ready....Last edited by Maxpower3; 04-24-2024, 12:02 PM.
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1 wire to ground on one of the points following 1 or 128/127/126 of your choice
at startup as indicated in previous posts
EC : NPCE68AP
L14/L15 gen1 GL40-GL5A0 [I]NM[/I]-[I]C631[/I]
of course, check that the diagram matches
[URL=filedata/fetch?id=3259076&d=1713971548][ATTACH=JSON]{"alt":"Click image for larger version Name:\tThinkpad L14 GEN 1 - GL40-GL5A0 NM-C631.jpg Views:\t0 Size:\t372.8 KB ID:\t3259076","data-align":"none","data-attachmentid":"3259076","data-size":"thumb"}[/ATTACH][/URL]...Last edited by Maxpower3; 04-24-2024, 09:31 AM.
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Thinkpad L14 GEN 1 - GL40-GL5A0 NM-C631
try
[ATTACH=JSON]{"data-align":"none","data-size":"thumb","data-attachmentid":3257658}[/ATTACH]...
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This happens to me too,
change the timing and start earlier just before backlight and stays short for less time.
Mec16 is difficult
many many tries...
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try one wire (lad0-3) with Gnd
wait for the backlight,before logo.wait 1-2 sec with contact ,release and press f1 to enter setup
errors can occur
EC can be corrupted if you save wrong info
Clear supervisor password with twice blank
and manager with twice blank password
Clear security chip too
After just Ctrl alt del and try
if Mec need many tries
[URL=filedata/fetch?id=3250062&d=1712682424][ATTACH=JSON]{"alt":"Click image for larger version Name:\tT14S X13 .jpg Views:\t0 Size:\t1.31 MB ID:\t3250062"...Last edited by Maxpower3; 04-09-2024, 11:22 AM.
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Do it yourself
[URL=filedata/fetch?filedataid=332330][ATTACH=JSON]{"data-align":"none","data-size":"thumb","data-attachmentid":3245077}[/ATTACH][/URL]
wait 1-2 seconds after turning on or wait for the backlight.
make the contact, wait 1or2 sec, release.and,press f1
Sometimes you may get a fan error which turns off the PC, sometimes you can bypass it by pressing Esc.
other error may occur bad data /uuid /serial etc..this is good sign
just the timming doesn't is not good
The method depends on...
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unlock
1st boot, press F2, write service tag, disable Absolute, save (Apply changes), restart. 2nd boot press Alt+F to exit manufacturing mode...
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T490 or 490S?
try
[URL]https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-laptops-tablets-and-mobile-devices/bios-requests-only/3237235-lenovo-thinkpad-ec-pwd-bypass#post3237235[/URL]
T490 NM-B901 LPC PORT
[URL=filedata/fetch?id=3239704&d=1711023956][ATTACH=JSON]{"alt":"Cliquez sur l'image pour la voir en taille r?elle\u00a0 Nom : \t\tT490 NM-B901 LPC PORT .jpg\u00a0 Affichages :\t0\u00a0 Taille :\t\t253,8 Ko\u00a0 ID : \t\t\t3239704","data-align":"none","data-attachmentid":"3239704","data-size":"thumb"}[/ATTACH][/URL]...Last edited by Maxpower3; 03-21-2024, 06:29 AM.
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Works, but in fact it's the wifi card that heats up and blocks startup.
It's broken.
[ATTACH=JSON]{"data-align":"none","data-size":"thumb","data-attachmentid":3239630}[/ATTACH]
Works, but in fact it's the wifi card that heats up and blocks startup.
It's broken.
[ATTACH=JSON]{"data-align":"none","data-size":"thumb","data-attachmentid":3239630}[/ATTACH]
...
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Hello , Please repair bios
Power on, no screen, just fan spinning
SER : 5CG050BLJ3 830 G7 AX201NGW...
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[SIZE=28px]You are [B]requesting[/B] help[/SIZE]
If you do not abide by the following rules, your [B]post will be [COLOR=Red]deleted[/COLOR][/B].
[SIZE=12px]You [B][COLOR=Red]MUST NOT[/COLOR][/B][/SIZE]:[LIST][*]Hijack threads unrelated to your request[*]Post a request in multiple threads[*]Post a request multiple times[*]Post in foreign (non-English) languages[*]Share private contact information[*]Offer payment of any kind whatsoever[*]Bump your thread or post more than once every 48 hours. If you do so
you will receive an infraction[*]Post "clean me", "clear...
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