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Please help - W540 bricked after BIOS update
#11
(07-27-2019, 06:27 AM)Dudu2002 Wrote:
(07-27-2019, 06:19 AM)krenari Wrote: I found a seller in ebay, he says that I have to change both chips of bios. It is just 25 euro
this is a false path! Corrupted contents of only one chip - 4Mb
you just throw money into the rubbish

I may need your guidance if I have to go by myself, which chip should I rewrite? and where I can find the bin file for bios w540? in lenovo website they do not give bin file!

I just found on amazon a SPI-programmer
find
quote
#12
(07-27-2019, 06:42 AM)krenari Wrote: I may need your guidance if I have to go by myself, which chip should I rewrite? and where I can find the bin file for bios w540? in lenovo website they do not give bin file!

I just found on amazon a SPI-programmer
need to recovery your bios...this requires your damaged dump
P.S. you need CH341A + SOIC8 clip
find
quote
#13
(07-27-2019, 06:49 AM)Dudu2002 Wrote:
(07-27-2019, 06:42 AM)krenari Wrote: I may need your guidance if I have to go by myself, which chip should I rewrite? and where I can find the bin file for bios w540? in lenovo website they do not give bin file!

I just found on amazon a SPI-programmer
need to recovery your bios...this requires your damaged dump
P.S. you need CH341A + SOIC8 clip

Would this be okay?

Code:
https://www.ebay.de/itm/381206013212?ul_noapp=true&chn=ps&lpid=106

I would this one too:

Code:
https://de.banggood.com/CH341A-24-25-Series-EEPROM-Flash-BIOS-USB-Programmer-SOIC8-SOP8-Clip-Adapter-Module-p-1353168.html


Regarding damaged dump, how can I fixed the damaged dump?
find
quote
#14
(07-27-2019, 07:03 AM)krenari Wrote: Regarding damaged dump, how can I fixed the damaged dump?
you already have all the answers to your questions...
find
quote
#15
(07-27-2019, 07:30 AM)Dudu2002 Wrote:
(07-27-2019, 07:03 AM)krenari Wrote: Regarding damaged dump, how can I fixed the damaged dump?
you already have all the answers to your questions...

I am researching, and I understand all the process now.

I just need to know if the bin file I will extract from chip, is it the dump one?
find
quote
#16
Hi, I got a w540 that shuts off a few seconds after pressing the power button before the screen turns on. Could someone check my dump to see if my bios is corrupted?


Attached Files
.bin   spi1.bin (Size: 8 MB / Downloads: 2)
.bin   spi2.bin (Size: 8 MB / Downloads: 4)
find
quote
#17
(12-11-2019, 07:19 PM)ytrewq987 Wrote: Hi, I got a w540 that shuts off a few seconds after pressing the power button before the screen turns on. Could someone check my dump to see if my bios is corrupted?

Hi ytrewq987,

I've the same problem. But when I disassmble my W541 to read the eeprom my W541 won't start. Can you tell me, how you turned on your ThinkPad after disassambly? There must me some contact interrupters or something like that...

Thanks & regards!
find
quote


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