Re: HP Probook 4540s working BIOS
thank's sir
thank's sir
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HP Probook 4540s - BIOS
mobo model: 4540S (wistron roadrunner 1.1 12260-1)
Have 5v and 3.3v on board
Have 3.3v on BIOS and power button.
After connecting charger it's glowing white once and goes to amber color and restart it in cyclic order.
Anyone have any idea?
is it from BIOS?Comment
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HP Probook 4540s roadrunner 1.1 12260-1 BIOS Please
wistron roadrunner 1.1 12260-1 bios need.
urgent please...Comment
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Re: HP Probook 4540s Charging LED goes Amber color and goes off
try to flash the bios first try with this dumpComment
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Re: HP Probook 4540s Charging LED goes Amber color and goes off
Same. No change
Comment
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Re: HP Probook 4540s roadrunner 1.1 12260-1 BIOS Please
try search.Comment
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Re: HP Probook 4540s Charging LED goes Amber color and goes off
thanks a lotComment
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Re: HP Probook 4540s working BIOS
thanks a lotComment
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Re: In dire need of bios bin file for Probook 4540s
okkkkkComment
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Re: In dire need of bios bin file for Probook 4540s
thanksComment
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HP Probook 4540s 683494-001 bios
683494-001 biosComment
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Re: HP Probook 4540s working BIOS
An updated version of Working BIOS for 4540s_Rocky MB. Windows update F.67 Rev.A 20.06.2018Enjoy in Work, Enjoy in Life!Comment
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Re: In dire need of bios bin file for Probook 4540s
share the file... thanksComment
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Re: In dire need of bios bin file for Probook 4540s
thanks biosComment
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Re: In dire need of bios bin file for Probook 4540s
Try this oneComment
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Hp Probook 450 G7 s# SCD0348W35 had a locked BIOS. Bought BIOS and EC chips off Ebay that were supposed to match this machine - the 450 G7. Flashed in the BIOS on chip i bought using a CH341. BIOS unlocked next boot. Some error to contact HP. Entered BIOS and reset to system defaults and rebooted. Machine worked fine but every cold boot the contact HP message popped and everything else worked as fine. Assumed the error was from EC chip not matching BIOS that i just flashed in. So i flashed in the EC that was supposed to match from the EBay chip i bought and instant brick.
Ive got...07-08-2025, 09:24 PM -
Hello,
I got a Lenovo ThinkStation P520 (Type 30BF) from a friend, asking me for a repair. Windows 11 offered a firmware upgrade as an optional update, and it failed.
The emergency flash procedure from the hardware manual has also failed. So, I asked an acquaintance with better skills to flash the BIOS directly.
However, the chip (a Macronix MX25L25673GMI-08G) has a size of 32 MB, and the BIOS file from the Lenovo website (extracted with UEFITool) has a little more than 16 MB. Thus, the software my acquaintance used (SiberiaProg v1.45, with a CH341A Programmer)... -
Hello Everyone,
I have Thinkpad T560 Which has corrupted BIOS. I have acquired Ch341A SPI flasher to program the BIOS externally. I see that to program the BIOS, i need a bin file for the BIOS. I was able to extract the .exe file of BIOS from Lenovo given here in this link:
https://pcsupport.lenovo.com/au/en/p...me=BIOS%2FUEFI
In the extracted files, I see that BIOS containing file has extension .FL1 and I need to extract or convert it... -
This specification for the HP ProBook 4540s can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the 4540s boardview and 4540s schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download for HP ProBook 4540s is accurate,...09-06-2024, 05:27 AM
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This specification for the HP ProBook 4540s can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the 4540s boardview and 4540s schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download for HP ProBook 4540s is accurate,...09-06-2024, 05:27 AM
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