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HP Probook 470 G2 - white blinking - ADP_SIGNAL ?
Hello, I have this laptop with a bad motherboard. The LED in the socket is blinking white, endless loop. According to the information I found on the internet, this can be caused by several reasons that I am currently investigating.[LIST=1][*]Damaged BIOS chip - it seems to be fine, CH341a programmer can read it[*]BIOS RTC voltage shorted to ground - it seems to be fine, around 3V[*]Damaged adapter identification circuit - I think there is a problem here, but please help explain the function[/LIST]What should be the voltage on ADP_SIGNAL when using a 65W HP adapter? My calculation of the voltage...2 Photos
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HP Probook 450 G2 440 G2 LA-B181P BIOS + 470 G2
Enjoy...Last edited by SMDFlea; 10-01-2020, 02:47 AM.
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HP ProBook 470 G2 Notebook 400 Specification for Upgrade or Repair
This specification for the HP ProBook 470 G2 Notebook 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 470 G2 boardview and 470 G2 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 470...
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HP ProBook 470 G2 Notebook 400 Specification for Upgrade or Repair
This specification for the HP ProBook 470 G2 Notebook 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 470 G2 boardview and 470 G2 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 470...
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Re: HP Probook 450 G2 440 G2 LA-B181P BIOS + 470 G2
Thanks, its work
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BIOS HP Probook 470 G2 Password
Hello,
I have a password on this BIOS, could you remove it?
The battery is no longer detected since switching to Windows 11.
I've tried several.
Thank...
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Re: BIOS HP Probook 470 G2 Password
Thank you, the password is removed
The battery is not detected by the bios, I tried with others but it's the same.
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Re: BIOS HP Probook 470 G2 Password
Tried RCUnlocker ?
[B]RULES UPDATE for BIOS requests/offers *AVOID BANNING, READ BEFORE POSTING*[/B]
[SIZE="3"]You [B][COLOR="SeaGreen"]MUST[/COLOR][/B][/SIZE]:[LIST][*] [B][COLOR="Red"]Read[/COLOR][/B] [URL="https://www.badcaps.net/forum/showthread.php?t=103526"]BIOS guides, methods, resources and tools[/URL][*] [B][COLOR="red"]Try the method at[/COLOR][/B] [URL="https://www.badcaps.net/forum/showthread.php?t=103526"]BIOS guides, methods, resources and tools[/URL]...
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Re: HP 450 G2 & 470 G2 Bios dump CLEAN ME ( 4th & 5th gen Intel)
Hi, I have this original BIOS dump not working for HP ProBook 450 G2 no graphic version as blink continuosly white led of DC jack.
I tried to use a cleared working dump found on net, so inserted by HEX editor DMI information and it's work fine but hard drive is not found as into boot order there is mSATA only into UEFI section so i think this is the issue, also start up is delay like 15 sec.
Anyone can clear my bios dump keeping DMI info please?
Regards,
Faby...Last edited by Fabyj; 09-06-2023, 08:27 AM.
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Re: HP Probook 450 G2 440 G2 LA-B181P BIOS + 470 G2
"hlp" yourself -> read the rules before posting:
[B]RULES UPDATE for BIOS requests/offers *AVOID BANNING, READ BEFORE POSTING*[/B]
[url]https://www.badcaps.net/forum/showthread.php?t=103570[/url]
.Re: HP Probook 450 G2 440 G2 LA-B181P BIOS + 470 G2
"hlp" yourself -> read the rules before posting:
[B]RULES UPDATE for BIOS requests/offers *AVOID BANNING, READ BEFORE POSTING*[/B]
[url]https://www.badcaps.net/forum/showthread.php?t=103570[/url]...
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Re: HP Probook 450 G2 440 G2 LA-B181P BIOS + 470 G2
hello .can you hlp me. i buy 2 unit hp probook 440 g2 but at bios administrator
thanks...
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Re: HP Probook 450 G2 440 G2 LA-B181P BIOS + 470 G2
hi, can someone help for clean error "Machine is not in commited state" please ?
this is the original bios, hp 440 G2....
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HP Probook 470 G2 board schematics
Hi I got this burned smd transistor
Can this smd be found on any laptop board ? I got some 3 broken boards, they got some similar smd's on them, does it have any value or they are all same ?Last edited by Thermaltake; 01-31-2023, 03:09 PM.
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Re: HP Probook 470 G2 board schematics
Thanks everyone for help. CPU have short so I gave up. As I see on ebay all have similar problem as mine. Guess that's some serial problem on that boards or something.
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Re: HP Probook 470 G2 board schematics
No, not the same. One is with 2N7002 part number and other is with ME2301.
Often you can replace with many vendors who will have 2n7002 in this sot-23 package. Likewise the damaged part at Q30 is '2301' series transistor in the same package type.
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Re: HP Probook 470 G2 board schematics
Thanks.
So that means all these 3 leg smd transistor are same or ?Last edited by Thermaltake; 02-01-2023, 01:20 AM.
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Re: HP Probook 470 G2 board schematics
[b]+3v_pch[/b]Re: HP Probook 470 G2 board schematics
[b]+3v_pch[/b]...
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Re: HP Probook 450 G2 440 G2 LA-B181P BIOS + 470 G2
Not sure if a 450 g2 LA-B181P (BIOS M74) with clean ME had been posted yet, but if not, try this one. It boots up within a second and works flawlessly...
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Re: HP Probook 450 G2 440 G2 LA-B181P BIOS + 470 G2
hi everyone i have probook 470 G2 it says machine not committed state bios info not correct it show probook 440 G2 and the amd gpu not working could it be bios issue
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Re: HP Probook 450 G2 440 G2 LA-B181P BIOS + 470 G2
Thanks brother for trying, this one too doesn't work 3caps lock blinks yet the ram is okay. It displays when i use the dump that has a wrong platform error...
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Re: HP Probook 450 G2 440 G2 LA-B181P BIOS + 470 G2
Try this file...Last edited by SMDFlea; 04-12-2023, 02:42 PM.
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Re: HP Probook 450 G2 440 G2 LA-B181P BIOS + 470 G2
Thanks but this doesn't work...
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