Satellite e45t-b4204. Part no. Pspn4u-00g002. Serial no. 6e154688s. bios needed
laptop power on no display
laptop power on no display
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Hello,
I have a Lenovo Thinkbook 15 G2 ITL i5 Laptop (serial number: MP2BFZEF) that when I turn it on, the led on the power button lights up for 5 seconds, then goes out. There's no display and nothing happens.
So I thought it was a Bios problem.
I found 3 bios chips on the board, which I read with a bios programmer: two XMC model bios chips and a Winbond model bios chip. Each XMC model bios chip has two partitions named XM25QH128A [3.3V] and XT25F128A [3.3V]. And the Winbond model bios chip has three partitions named W25Q80BL 3.3V, W25Q80xV 3.3V and W25Q80DV 3.3V.... -
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 -
Hi All,
I was told to post my corrupted bios dump here. My Zephyrus G14 GA401QH-211 is missing the serial number in the bios. NVME drives can't be detected by the bios either. The bios version is 410.
Serial: M4NRKD01530915H
Thanks in advance!... -
Anyone who can help remove pasword on satellite pro 30-d-14k bios here is a dump
post moved...next time look for a thread with the name and model, motherboard model of the laptop, and post there, if you can't find it, then make a new thread..... -
Hi Guys,
Looking for some help with an HP Elite Dragonfly.
The customer explained it was updating the BIOS, the flashing completed, but afterwards the laptop wouldn’t power back on.- The laptop has no power but does take the correct voltage.
- It shows 5 flashes white/amber, which indicates a BIOS issue.
- I backed up the original BIOS to extract the feature byte etc.
- I then flashed the BIOS with a clean version from HP’s website, but the laptop still gives 5 white/amber flashes.
Just wanted to pick your brains on this — has anyone come across this before or...
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