hi, can you help me with this problem?
this is the original bios, stuck on logo, i loaded another bios but it says 3 yellow 6 white. there is only 1 bios version that can enter win mini but does not recognize NVME. hope to receive help thanks
sv tag: 124FBC3
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hi i need Re: need bios GDC31 LA-K371P rev.3.0 (a02)
model dell latituted 7420
password unlock helpLeave a comment:
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Hello, my BIOS chip is damaged, I bought a new one but it needs a firmware update.
Which one can I use?
Dell latitude 7420
ST: DQPK6G3
LA-K371P REV: 3.0Leave a comment:
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HELP ME FIX THE BIOS FILE
Dell latitude 7420
ST: BVPHGK3
LA-K371P REV: 3.0Leave a comment:
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Hello i have this dell latitude 7420 won't turn on
GDC31 LA-K371P rev.3.0
ST:HMK66L3
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Good to know that build factory mod bios work for you. Thanks for your feedback
bitlocker its not a big deal ask your client to login his M.S account and he can get a bitlocker recover key to access HDD dataLast edited by qayyum786; 02-05-2025, 04:56 AM.Leave a comment:
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hi good day.
Dell Latitude 7420
GDC31 LA-K371P Rev. 3.0 (A02)
ST: 77QGKN3
Need help for this bios file. With this original bin it takes many attempts to switch it on before it will display and you can use the laptop normally. with post #32 i tried that, easily switched on but no display and will turned off after about 1 minute.
may i request for the repair of this bin?
thank you in advance..Leave a comment:
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your laptop is latitude 7320, pay more attention when you write. Here's your unlocked bios, next time use this tool:
https://www.badcaps.net/forum/troubl...l-8fc8-patcher
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dell latitude 7420 no display la-k371p
light blink 3 orange 6 whiteLeave a comment:
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Hello 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
07-24-2025, 02:17 PM -
Hello everyone,
I am requesting urgent assistance to unbrick my laptop, a rebranded TongFang GK7MRFR chassis. The laptop is completely dead following a faulty in-OS EC flash attempt.
I have successfully used a CH341A programmer and can read/write/verify both flash chips, but using my backups/extractions has failed to restore power. The root cause is likely a corrupted Intel Management Engine (ME) region or an incompatible EC/BIOS pairing. System & Hardware Details- Barebone / Chassis: TongFang GK7MRFR
- MB: MB: GK5MP5X V1.0 Prod :GK5MRFV10T04201310281
- Rebrand: PC Specialist
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Hello everyone,
I recently bought a non-working Asus Zenbook Pro Duo OLED UX8402ZA that was listed for parts only. The seller mentioned that it had no display output but that the charging lights worked.
When the laptop arrived (without a charger and SSD), I connected a charger and confirmed with a multimeter that it was charging the battery. However, when I tried to power it on, only the backlight of the secondary display came on. There was no image, and it didn’t boot into the BIOS.
I decided to try flashing a new BIOS, but since I didn’t want to desolder... -
First 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... -
Hi, 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...
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