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f-bone replied to Dell Inspiron/Vostro 5402 5502

in BIOS Requests ONLY!

03-04-2025, 02:57 AM
ok today I even tried to write ST with cctk under WinPE and that wont stick either... I get some error message and ST is not saved

error "CoCreateInstance() failed for locatorGetWMISMBIOSTable: NULL pointer to SMBIOS Entry specified.GetWMISMBIOSVersion: null pointer passed as pSmbios."

I am depressed.

[ATTACH=JSON]{"data-align":"none","data-size":"thumb","data-attachmentid":3585523}[/ATTACH]...

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f-bone replied to Dell Inspiron/Vostro 5402 5502

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03-03-2025, 05:29 AM
unfortunately this also causes the same behavior i.e. white led on->off->repeat only difference I now have full fan spin which your previous files didn't bring up (noticed that when a bios gives image the fan is indeed spinning fast so this is normal).

I tried the "working but not saving" bios I mentioned before, then downloaded the official bios from DELL, flashed it using a USB which completed successfully and NOTHING CHANGED... Im going to hang myself in the lab (soldering disoldering the chip one of the legs broke and I had to use the grinder, resolder it under...

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f-bone replied to Dell Inspiron/Vostro 5402 5502

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03-01-2025, 05:31 AM
unfortunately I get the same - white led on -> off -> repeat... but I found a working set 8/16mb (everything works: keyboard, trackpad, nvme) but it won't save the Service Tag and keeps turning on to Manufacturing Mode.

is it possible to:
1) make it save ST
2) transfer bitlocker keys from original non-working dump? now that it sees the nvme it asks for bitlocker key, the owner didn't know they had bitlocker enabled

attached is the "semi"-working bios

thank you so much for your efforts guys, I'd be happy to buy beers!...

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f-bone replied to Dell Inspiron/Vostro 5402 5502

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02-28-2025, 10:18 AM
soldering double checked under the microscope and still loops, white led on -> off -> on and so on......

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f-bone replied to Dell Inspiron/Vostro 5402 5502

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02-28-2025, 09:36 AM
ok just tried them but I get no image, fan came on a couple of minutes later, the power led turns on white, stays for a few secs and fades out, repeat - caps lock led also on all the time.
using known good ram in single/both slots...

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f-bone replied to Dell Inspiron/Vostro 5402 5502

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02-28-2025, 08:41 AM
hi from me too!

I mistakenly posted this in the wrong thread (different model) so here we go:

can you please repair this bios dump? gives backlight and nothing else - there is bitlocker on the sdd so maybe we can save the data

ST: 5ST4P93
EX: 12625892823
motherboard: 19862-1
It must be Vostro 5502 (the damn thing has not "model" label so I uploaded a pic)

I tried other dumps (from 5406/7502 I think as I was in that thread earlier), a few would not save the ST or exit manuf. mode and one from above that worked...

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f-bone replied to please help me bios dell 5406

in BIOS Requests ONLY!

02-28-2025, 08:38 AM
it is a Vostro indeed and the motherboard is 19862-1... I will head to the correct topic apologies for the mistake I got here because of the no-saving of service tag and similar board code (the bios given here also worked to fuel my confusion even further!)

thank you

"The [B]Inspiron 5406[/B] has different EC firmware to the [B]Vostro 5502[/B]"
I am too tired or just an idiot. thank you again.it is a Vostro indeed and the motherboard is 19862-1... I will head to the correct topic apologies for the mistake I got here because of the no-saving of service

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f-bone replied to please help me bios dell 5406

in BIOS Requests ONLY!

02-28-2025, 08:06 AM
Hi guys,
can you please repair this bios dump? gives backlight and nothing else - there is bitlocker on the sdd so maybe we can save the data

ST: 5ST4P93
EX: 12625892823

I tried other dumps, a few would not save the ST or exit manuf. mode and one from above that worked does not see the nvme. Keyboard/trackpad also don't work but maybe that's a different issue.

thank you in advance!...

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f-bone replied to Dell Vostro 5402 schematic & boardview need.

in Schematic Requests ONLY!

02-28-2025, 05:56 AM
thank you!!

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f-bone replied to Toshiba P50W-C-10V (TRKU 2.1) dump needed

in BIOS Requests ONLY!

01-24-2025, 03:58 AM
we finally did it! the friend kept searching and found a correct file (its bios version 1.1):...

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f-bone started a topic Toshiba P50W-C-10V (TRKU 2.1) dump needed

in BIOS Requests ONLY!

01-23-2025, 08:31 AM
Toshiba P50W-C-10V (TRKU 2.1) dump needed

Hi guys!

A friend of mine accidentally overwrote a 4mb file to this one (instead of a 8mb) without taking a backup of the original. I have searched everything from North to South pole of the world wide web and all the files I found just do not work. I also downloaded v1.20, 5.00, 5.10 from the official site and trimmed them to 8mb (8192kb) and there are some signs of life but no post. To be more specific version 5.10 did not look like the others in HxD and altough it could be trimmed to 8192kb after removing anything after 4FFFF0 there is zero reaction to the PSU or fan like the others....

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f-bone replied to IMPORTANT information - XinZhiZao / XZZ PCB File format is now supported by FlexBV (free and licenced editions)

in Troubleshooting Laptops, Tablets, and Mobile Devices

11-30-2024, 01:49 AM
thank you!!!...

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f-bone replied to IMPORTANT information - XinZhiZao / XZZ PCB File format is now supported by FlexBV (free and licenced editions)

in Troubleshooting Laptops, Tablets, and Mobile Devices

11-29-2024, 08:07 AM
great news! anyone has links to the XZZ boardview archive?

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f-bone replied to need dump for hp ProBook 450 g8 password

in BIOS Requests ONLY!

11-06-2024, 11:08 AM
thank you all! it is working, shiyab, I only flashed the EC and its ok. Would mr.sabrys solution also work?...

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f-bone replied to need dump for hp ProBook 450 g8 password

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11-06-2024, 09:00 AM
thank you guys wow! what a quick response. may I please ask if I need to flash both files? as one provided is EC and the other is the SPI file??

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f-bone replied to need dump for hp ProBook 450 g8 password

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11-06-2024, 08:01 AM
apologies everyone

pid 2x7n5ea#ab7
sn 5cd112fyc2...

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f-bone replied to need dump for hp ProBook 450 g8 password

in BIOS Requests ONLY!

11-06-2024, 04:40 AM
hi guys!

can you please unlock this dump?

thank you in advance!...

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f-bone started a topic Clevo P775TM ec flashing

in Troubleshooting Laptops, Tablets, and Mobile Devices

09-19-2024, 03:13 AM
Clevo P775TM ec flashing

hi guys,

I got this gaming Clevo here (i9-9900k, rtx2080) of uknown brand (there are a few companies using the same mobo) which has 2x IT8587e. I have the bios and ec files for all chips but I have no clue how to flash the two ECs... I got a Vertyanov v2 and RT809F+PEB1.

Any help to do this without removing the chips would be great!

thank you!

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f-bone started a topic Lock manufacturing mode is HP by modifying binary file of BIOS

in Troubleshooting Laptops, Tablets, and Mobile Devices

09-12-2024, 02:27 AM
Lock manufacturing mode is HP by modifying binary file of BIOS

hi guys,

wasn't sure where to place this (BIOS requests or here).

i know the software procedure to re-lock the manufacturing mode in Windows but is there some hex editing to the .bin file that would do that just before I flash a new .bin to the SPI?

thank you in advance,
george

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f-bone started a topic Yoga C740-15IML NM-C431 blinking power led

in Troubleshooting Laptops, Tablets, and Mobile Devices

07-31-2024, 04:30 AM
Yoga C740-15IML NM-C431 blinking power led

Hi guys!

I got this yoga here which I flashed the BIOS a few days ago and turned on. It was asking for a bitlocker key but the owner did not care about data (I have a bios backup if that would be necessary). A few days later the power button started blinking again but flashing the bios again does not help.

Power looks good so I did NOT flash the TBT SPI (1mb) so I am not sure if I should try that too or the soldered ram is the culprit and needs reballing (maybe worked last time for a short while but some contact is bad).

Any input is greatly appreciated....

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Toshiba P50W-C-10V (TRKU 2.1) dump needed

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Clevo P775TM ec flashing

Lock manufacturing mode is HP by modifying binary file of BIOS

Yoga C740-15IML NM-C431 blinking power led