Unfortunately, the display came back once and never came back. The power button is constantly flashing.
I've tried about 15 BIOS updates, some won't boot at all, and some only boot once. I'll CPU reball and return it customer....
ismailakyoltr
Senior Member
Last Activity: 11-24-2025, 06:11 AM
Joined: 03-08-2015
Location: IZMIR
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Thanks for your reply. Yes, the processor is AMD, but the steps in post 287 didn't work for me. Post 283 has two ECs, but no main BIOS. Can you reload the main BIOS?...Leave a comment:
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Message #29 is black screen and never opens. Can you check my previous message and attachments? How do I find the correct bios? (My bios header section is full)
Also, the bios in message number 29 is attached. I made a DMI transfer....Leave a comment:
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Hello. The "NM-C821 DUMP" post on the site shows a corrupted picture and then remains black, but it won't open again. Attached is the E8CN18WW picture. I downloaded the bios from another site and changed it to E8CN28WW. The picture improved, but it booted once and then wouldn't boot again. Then I found this thread and did as instructed, but no picture appeared. Attached are the files. Did I make a mistake?
(There is no picture in my original bios backup) There is no label on the case. When I opened the BIOS from the website (by copying the DMI), I wrote down the serial numbers...Leave a comment:
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I couldn't extract this model on HP's website. I need your help....Leave a comment:
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Product Name: HP ZBook Power 15.6 inch G8
Serial Number: 5CD1460SYY
ProdID: 313S7E#AB8
Motherboard: DAXW5EMBCF0 REV.F
25Q256JVEN I uploaded this
25Q256JVEQ
25Q80DVSIG
25Q80DVIG
It draws 3.7A, no short circuit. The screen is black. The fans are spinning. The on/off switch works. I think it's a BIOS issue. There are four BIOS chips. I hope I uploaded the correct one. Thank you....Leave a comment:
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I am writing again but my problem is solved. Thank you. I downloaded the bios file in this post and learned the location of the serial numbers from another site. change and the result is positive.
Explanation 1: The serial number is located in two different locations (addresses 0x5EA080 and 0x5EA150).
The Windows key is located at 0x61709C....Leave a comment:
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I extracted it with 7zip but the size is not full. I can't do it. And when I run it, it is not in temp....Leave a comment:
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Model : IdeaPad Flex 5 14ALC05
Serial : PW00B7A2
Mtm : 82HU007FTX
Bios Ic : 74M12JWSIQ
Mb : LC56-14A SVT 203021-1 448.0MD07.0011
IO : NPCE386PB0DX
He screen black and Capslock LEDs are lighting up.
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