Re: Lenovo ThinkStation P520 BIOS file needed

Hello,



yes, I had the written data verified in NeoProgrammer, and it said "Success".

When I press the Caps-Lock key, the corresponding LED at the keyboard lights up. However, the LED turns off as soon as the next access to the attached USB DVD drive happens (and the NumLock LED turns on again if I have also pressed NumLock).
If the USB DVD drive is detached, the LEDs for NumLock and Caps-Lock work as usual (i. e. they just light up and turn off when the corresponding key is pressed)....

Re: Lenovo ThinkStation P520 BIOS file needed

Hello,
thank you for your help!

Unfortunately, it does not work:
The attached monitor stays black (it does not power-up from power saving). An attached USB DVD drive with a Windows 10 install disc is being accessed periodically for less than a second (with a few seconds pause in between), but obviously the PC does not boot from the disc: Only the LED of the DVD drive lights up, there is no sound from the drive indicating that it is really reading the disc (this sound can only be heard for the first 4 or 5 times...

Re: Lenovo ThinkStation P520 BIOS file needed

Hello,
thanks for the quick answer!
I left the BIOS dump out because I thought it would be useless. But here it is:...

Hello,

I got a Lenovo ThinkStation P520 (Type 30BF) from a friend, asking me for a repair. Windows 11 offered a firmware upgrade as an optional update, and it failed.
The emergency flash procedure from the hardware manual has also failed. So, I asked an acquaintance with better skills to flash the BIOS directly.

However, the chip (a Macronix MX25L25673GMI-08G) has a size of 32 MB, and the BIOS file from the Lenovo website (extracted with UEFITool) has a little more than 16 MB. Thus, the software my acquaintance used (SiberiaProg v1.45, with a CH341A Programmer)...

Re: New Members - please post your introductions here

Hello, I'm a guy from Eastern Bavaria (Germany). Usually I work as system administrator, but sometimes I get broken computers, TVs or household appliances from friends, relatives and acquaintances. Although I'm not a professional in this, I try to repair these things while expanding my knowledge (which is still quite basic, unfortunately).