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Ivan Švasta replied to Chuwi HeroBook TYPE CWI514 No display

in BIOS Requests ONLY!

12-21-2024, 03:31 PM
Hello,

I have a problem with black screen on Chuwi HeroBook. Laptop turns on, and charging ok, but there is black screen.

Can someone please send me BIOS file?

Type : herobook cwi514
Herobook Q64G19113325
Motherboard: IN - SE115C_VD3 (2018.12.19)
Bios Chip: winbond 25x40CLNIG

Best regards
...

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Ivan Švasta replied to Lenovo l470 dl470 nm-b021

in BIOS Requests ONLY!

07-18-2024, 09:08 AM
Hi [USER="549245"]AMATEURSAHIL[/USER], i already replaced the cmos battery and it still givese the same error. Also i made patched file that [USER="341209"]volinakis[/USER] flashed it and it still gives the se errors. I managed to find somewhat cheap replacement board from ebay and it works fine for now. But this time i was smarter and backed up bios and saved serials and type numbers. Thanks everyone for the help.AMATEURSAHIL...

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Ivan Švasta replied to Lenovo l470 dl470 nm-b021

in BIOS Requests ONLY!

06-30-2024, 03:55 PM
Can someone pls help or explain what to do ?

Thanks...

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Ivan Švasta replied to Beginner's guidelines

in Troubleshooting Laptops, Tablets, and Mobile Devices

06-08-2024, 04:47 PM
Thanks, very informative.

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Ivan Švasta replied to Lenovo l470 dl470 nm-b021

in BIOS Requests ONLY!

06-07-2024, 03:21 PM
Edit: On board itself I found sticker with this code: FRU 01LW020 and above is barcode PSL10N67045.

I'm not sure if this helps, bacause on device itself I do not have any sticker with serial number and type stated (I bought it that way secondhand).
Behind the battery is only P/N number ( P/N:SPP0M92510 ) that I mentioned in post before.

Can someone please help?

Thanks...

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Ivan Švasta replied to Lenovo l470 dl470 nm-b021

in BIOS Requests ONLY!

06-07-2024, 02:28 AM
I tried both files,

UC16M1 - 16MB - still get the same error messages about date and time, and SVP.
UC16M1 - 16MB_PATCHED - it hangs on Lenovo screen

Maybe because my board is REV:1.0., not sure....

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Ivan Švasta replied to Lenovo l470 dl470 nm-b021

in BIOS Requests ONLY!

06-06-2024, 03:58 PM
Hello,
I get to Lenovo screen, then after that messages appear and it shuts down:
0271: Check date and time settings
0177: Bad SVP data, stop POST task.

DL470 NM-B021
Rev 1.0.
2016-12-09

P/N:SPP0M92510

Here is backup BIOS:

Can someone pls help?

Thanks...

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Ivan Švasta replied to New Members - please post your introductions here

in Announcements & Related News

06-06-2024, 03:45 PM
Hello everyone,
my name is Ivan, and on my spare time i love thinkering with broken hardware, sometimes im lucky, sometimes not so.
I have one bricked Lenovo that im trying to fix for some time now and because of that I am here. Cheers!

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