post S/N, full name and model, motherboard model, product number,etc.
post the original contents of the bios chip..
pls Bios HP Probook 450 G5
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please unlock hp probook 450 g5
proid: 3KY96EA#ABD
serial: 5CD7497M9FLeave a comment:
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try..Attached FilesLeave a comment:
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try thisand let us knowAttached FilesLeave a comment:
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please unlock bios password
hp probook 450 G5
prodID 3QM33ES
SN 5CD82632M2Attached FilesLeave a comment:
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HP PROBOOK 450 G5
MODEL 8265NGW
PRODID 1LU56AV
S-N 5CD8301F10Attached FilesLeave a comment:
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You MUST:- Read BIOS guides, methods, resources and tools
- Try the method at BIOS guides, methods, resources and tools before requesting help
- Explain you were not able to succeed with the methods at BIOS guides, methods, resources and tools
- Use search function in case someone already answered your request
- Post under a related thread if it exists
- Provide the full machine model number, serial number (or Service tag, SNID) and the board model number (see https://www.badcaps.net/forum/showthread.php?t=88758 ) ,The serial number, make, full model number, motherboard model and revision (except QR codes) must be written/typed at your request as per the rules. Not as a picture, part of the file name and so on.
- Name your thread with make, full model numbers and request
- Provide a BIOS/EC dump if possible
- Attach files directly to your post instead of linking to external websites
- Post what the problem is, be specific - black screen, no boot, running slow, password. Do NOT post "clean me", "clear bios", "clean bios", "fix bios", "bios need" or other such terms
Leave a comment:
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You MUST:- Read BIOS guides, methods, resources and tools
- Try the method at BIOS guides, methods, resources and tools before requesting help
- Explain you were not able to succeed with the methods at BIOS guides, methods, resources and tools
- Use search function in case someone already answered your request
- Post under a related thread if it exists
- Provide the full machine model number, serial number (or Service tag, SNID) and the board model number (see https://www.badcaps.net/forum/showthread.php?t=88758 ) ,The serial number, make, full model number, motherboard model and revision (except QR codes) must be written/typed at your request as per the rules. Not as a picture, part of the file name and so on.
- Name your thread with make, full model numbers and request
- Provide a BIOS/EC dump if possible
- Attach files directly to your post instead of linking to external websites
- Post what the problem is, be specific - black screen, no boot, running slow, password. Do NOT post "clean me", "clear bios", "clean bios", "fix bios", "bios need" or other such terms
Leave a comment:
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HI CLEARE ME PLIZZ
HP 450 G5 DA0X8CMB6E0 REV EAttached FilesLeave a comment:
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Attached FilesLeave a comment:
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So, I tried to put a VGA cable but nothing, then out of curiosity I put a USB stick and the result is excellent, it started with errors though, is it possible to clean the bios file? so that I load my original?Leave a comment:
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it's all soldered well, go over them one by one.
I bought the chip on aliexpress asking to program it for the card in question.
Has the chip been reprogrammed? or if it reprograms itself with the 16mb bios file
There is a difference between one chip and another, with the old one I tried to reprogram some bios but it didn't do anything, only the fan at maximum, this one instead tries to start.Leave a comment:
Related Topics
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by studdy05Hp 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 -
by macabookHello everyone,
I’m currently working on a dead MSI GP75 Leopard (MS-17E71) motherboard (i7 CPU, NVIDIA GPU) with a no display/no backlight issue initially. After extensive investigation, I’m at a critical stage involving EC firmware, BIOS/ME region interaction, and possible deep corruption. I'm seeking advanced insight from anyone with experience in EC/BIOS sync issues or PCH-level behavior. Here’s a full breakdown:
🧩 Initial Issue- Board powers on (fans spin, keyboard lights up and can be adjusted, caps lock led lights), but no display or backlight
- External display (HDMI) shows
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Channel: BIOS Requests ONLY!
07-24-2025, 02:17 PM -
by Vesko356First of all thanks to all of our members who have posted previously all methods posted here.
Please leave a comment if you find something new,or have anything else to add.
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Find by serial number,model number or series
If you know the laptop serial or model number go to HP support https://support.hp.com/us-en/drivers/laptops .
Enter the serial number or model number and click submit.On the next screen you will have to enter the OS
Operating system and OS version.If...-
Channel: BIOS Requests ONLY!
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by the_razI'm requesting a bios .bin for 2 of my hp Probook 450 G3's. Both of which I had forgotten the bios passwords. I stupidly flashed both of them with firmware "made" by the RCUnlocker software and I guess I shouldn't have. The last thing I did was flash both of them with RCUnlocker-fw thinking it would 100% work and left my programmer etc behind and won't have access to them for another 2 days so I figured I'd create a thread to see if I'd be so lucky that someone might have a working file laying around 😝
Laptop number 1:
Model: HP ProBook 450 G3
Motherboard part number:...-
Channel: BIOS Requests ONLY!
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by jbonavitaHi, my laptop wont boot at all
With original bios no POST, only LED lights
With alternative BIOS from model TP500LN (flashed via programmer) the notebook works again
Some issues
A- with bios from 500LN, it won't update from bios of model 500LA (from 500LN v203 to 500LA v300)
B- If updated from 500LN version 203 to 300, the battery stops being recognized
Things I tried
1- Update / clear ME: Took the non working bios, made a backup, and did this: https://www.badcaps.net/forum/troubl...theory/trouble...-
Channel: BIOS Requests ONLY!
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