Lenovo 15-IML 20RW schematic DA0LVAMB8F0 REV:F
require schematic and boardview for this lenovo laptop
it has onboard memory which i think is faulty , without schematic / boardview dont know where the ID resistors are to change from uma to dis / dis to uma so i can use the ram socket which is empty , but first need to disable onboard ram
any ideas ,
thankyou
jesi
Senior Member
Last Activity: 02-26-2026, 10:29 AM
Joined: 07-10-2013
Location: newport
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hp elitebook 850 g3
touch screen
intel i7-6600u SR2F1 cpu
motherboard 6050a2892401
sn# 5cg70126zz hp support not reconizing serial
laptop came from another tech and bios 128mb was missing , replaced with files from here but no joy
all voltages are ok on all indutors even cpu 1v is present
comes on , you can see the lcd turns black and after a while fan starts
i have tried soo many bios from badcaps but non of them give display..
require some urgent assistance , i have even reballed the cpu but...Leave a comment:
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nice one...Leave a comment:
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hp laptop LA-L311p bios required
hp laptop
14-ef2502na
CND34117S8
LA-L311P motherboard
require bios please , i have attached bios which i downloaded from hp support website , is it possilbe to extract bios and the ec from it
i dont know how to do it , trying for the past 12 days but no joy
would be appriciated
thankyou in advance to all techs... -
lenovo yoga 2 pro
model 20266
sn YB02381647
pn 59395045
factory id JVHFC1
laptop comes on to no post blank screen , fans also come on but no display
attaching bios from laptop
please can this be fixed to get display
thanlyou...Leave a comment:
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macbook pro a1707 dead
hi all techs
require some help on this 820-00281-A macbook motherboard came in dead and the pch bga U1100 (SR2NH), u5000 , Q7056 , U7000 and bios U6100 ,looks like these have been tampered with ..also the battery is swollen..
adapter usb c 20.5v 4.7a 96w , i persume it should power on mb without battery..
update:
when adapter plugged in , power switch which 3.3v on it , when power button pressed both fans come on after 6 secs for about 20secs approx then goes off , nothing on the display stays as blank.. the voltage at the usbc out start from... -
MacBook Pro 820-00281-A A1707 macbook
hi all techs
require some help on this 820-00281-A macbook motherboard came in dead and the pch bga U1100 (SR2NH), u5000 , Q7056 , U7000 and bios U6100 ,looks like these have been tampered with ..also the battery is swollen..
adapter usb c 20.5v 4.7a 96w , i persume it should power on mb without battery..
update:
when adapter plugged in , power switch which 3.3v on it , when power button pressed both fans come on after 6 secs for about 20secs approx then goes off , nothing on the display stays as blank.. the voltage at the usbc out start from... -
6050A3022501 hp840 g6
Hello all techs
Hp 840 g6
Motherboard: 6050a3022501
Came in dead
All voltages read OK after repair
Cpu and gpu voltage OK
Comes to no display this is the current situation
I have tried bios and ec reprogrammed but still same , also have done a clean me but still the same
No display.
What am i missing to check , require so.e heads up and so.e directions please
Thanks in advance... -
hi petse
love to learn the process of ec extraction from main bios pleease...Leave a comment:
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thankyou your a star ,
how is it done , is it easy to do...Leave a comment:
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dear peste
any luck on the ec from the bios
appriciate it...Leave a comment:
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la-l311p
serial number: CND34117S8
when laptop came in for repair EC ic (kb9542gf) and the bios (UC5 25qh128 ) both were missing
attached file has a bios bin from this website has been tested and the original downloaded from hp website..
one thing you have mentioned is the you can extract the ec file from the main bios file , is that possible because sounds very intreting and complex
thanks for the help...Leave a comment:
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HP Spectre x360 2-in-1 Laptop 14-ef2502na (7Y8Y3EA)
HP Spectre x360 2-in-1 Laptop 14-ef2502na (7Y8Y3EA)
cant find kb9542gf (ene) bin file for this
mb is LA-L311P
laptop came in with missing ec controller ic , ordered off aliexpress all soldered but stuck in standby
i think ec controller is blank and needs to be programmed for it to come on
any help appricate it
thankyou -
thanks bbanana
main bios flashed , but still the same comes on to no display
all voltages ok , can you advise anything , maybe i missed something
thankyouLeave a comment:
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hp elitebook 840 g5
S/N 5CG9314BT2
prodID 7JQ98UC#ABA
computro-6050a2945601
laptop comes on no display no backlight , few secaonds later cpu fan comes on
attatched backup of main bios and ec bios
any help will be appriciated
thankyou​...Leave a comment:
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thanks for sharingLeave a comment:
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hp probook 445 g9
prod id 6C5L4UC#ABA
s/n# 5CD23222D9
DAX9SFMB8A0 REV:A motherboard
amd ryzen cpu
attached bios backup of ec and main bios
laptop comes on , loads to windows but when i try to shutdown , windows is shutting down and lcd goes off but the cpu fan and in off led remain on wont completely turn off
i have to remove the main battery and remove the adapter to power off then i switch on laptop 10 secs to post then loads to windows but will not shutdown ,
thnaks for any help...Leave a comment:
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wrong schema lapfix ec controller is mec1322 , novoton ncpe0586 is the ec in 6050a2892401Leave a comment:
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noted
sirLeave a comment:
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hp elitebook 840 g3
s/n 5CG7252CZB
prodID L3C65AV
6050A2892401-mb-a01
require advice or help on these hp 840 g3
i have tried several ec and bios but no display all voltages are present but no graphics also cant find schematic for this 6050A2892401 mb a01
also attached bios and ec , photo of motherboard with all voltages present
thx...Leave a comment:
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