BIOS from HP 15-eh****** dag7hamb8i0 rev i

[janaka]

DAG7HAMB8I0 This board powers on and off...but when I flashed my backup BIOS, the laptop powered on after a few days, and then the BIOS would crash again. Please help me create a new BIOS.
backup here
SN-:5CD201JTXP
Model 15-eh1678AU
proID 552KPA#UUF

[m1ch43lzm]

Try this one I made with the clean F.26 BIOS from HP
DMI 413000-41403F
Windows key+"MPMLock" marker 435000-436FFF

Product ID: 552K5PA#UUF

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But if it restarts in a loop while powering on, and the backlight turns on for a split second, it's that the battery is fully discharged/bad; i own a similar laptop (15-eh1xxx) and it does this when the battery is completely empty, letting it charge for few minutes and it powers on normally
Try without the battery installed, it should power on normally

[janaka]

Try this one I made with the clean F.26 BIOS from HP
DMI 413000-41403F
Windows key+"MPMLock" marker 435000-436FFF

Product ID: 552K5PA#UUF

-----------
But if it restarts in a loop while powering on, and the backlight turns on for a split second, it's that the battery is fully discharged/bad; i own a similar laptop (15-eh1xxx) and it does this when the battery is completely empty, letting it charge for few minutes and it powers on normally
Try without the battery installed, it should power on normally

ok, thanks..I tried when the battery fully charged...now I will try with your bios...

[m1ch43lzm]

TPS65987DDJ PD controller firmware dump from DAG7HAMB8F0 board; in case someone needs it, this laptop also charges from the single USB-C port, or the regular DC jack
Laptop model: 15-eh0xxx; should work also with 15-eh1xxx
IC: MX25L8006E, U6102

Content matches the first 0xB0BFh with DEVFW\Current\tps65988a.bin when you create a BIOS recovery USB from BIOS ver. F.28, also present on the EFI system partition, the rest is padded with zeros to fill 1MB

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DAG7HAMB8E0, DAG7HAMB8F0 and DAG7HAMB8I0 use different main BIOS depending on CPU model, just minor parts differences between those boards
BID: 87C5 - Ryzen 4000 series CPU (Renoir), laptop model 15-eh0xxx
BID: 88D0 - Ryzen 5000 series CPU (Lucienne), laptop model 15-eh1xxx
BID: 87C6 - Athlon Gold 3150 CPU, laptop model 15-eh0xxx, maybe different board number

[Ludmilaharhordina]

My laptop won't turn on. I need a BIOS with a clean ME region. Please help. HP Pavilion 15-eh1134ua
DAG7HAMB81I0 Rev I
AMD Ryzen 3 5300U Processor
Serial number 5CD3477FJ2

I've attached my old BIOS.

[SMDFlea]

My laptop won't turn on. I need a BIOS with a clean ME region. Please help. HP Pavilion 15-eh1134ua
DAG7HAMB81I0 Rev I
AMD Ryzen 3 5300U Processor
Serial number 5CD3477FJ2

I've attached my old BIOS.

Read the post above yours. Your BID is 88D0 / 088D0 .There is a virgin bios at post # 9 https://www.badcaps.net/forum/troubl...95#post3450195

Copy the DMI from your backup to the new bios with a hex editor. Only the first set of offsets are relevent ( DMI 413000 - 41403F ) as there is no windows key, the 15-eh1134ua shipped with FreeDOS.

https://support.hp.com/ph-en/product...29?sku=9H8N1EA

[Ludmilaharhordina]

thank you

[m1ch43lzm]

My laptop won't turn on. I need a BIOS with a clean ME region. Please help. HP Pavilion 15-eh1134ua
DAG7HAMB81I0 Rev I
AMD Ryzen 3 5300U Processor
Serial number 5CD3477FJ2

I've attached my old BIOS.

HP Pavilion Laptop 15-eh1134ua (9H8N1EA)
BIOS ver F.27
BID 088D0
S/N 5CD3477FJ2

[Ludmilaharhordina]

thank you