T520 black screen and mouse pointer during a loooong time

[hricol]

Hello

I installed Win7 32Bit on my Lenovo T520. Unfortunately during the startup procedure and before the login screen, the system is for 85 seconds in the state of black screen and mousepointer. I disabled the startup programms and installed and uninstalled all of the drivers. Nothing helpend. Please help me.

[tanujhanda Retired Partner]

Hello Hricol and welcome to Lenovo community,

The issue seems to be Operating System, boot the Windows in safe mode by pressing F8 key before the Windows logo and check if the same behavior happens there also.

If the system works fine in safe mode then the issue could be related to some system driver or program.

If the issue recently occurred then you can try back date system restore.

Best Regards,

Tanuj