I tried at least 3 different sequences for installing firewood, it did not help. decided to go the other way and try to restore the factory image of Dell.
In a standard way i.e. F8>Troubleshooting, etc. it doesn’t help, or rather it’s just not there, I found this one here:
http://itdell.ru/view_programm.php?n=61. in short, this is the "Original Recovery Disc for a Dell Inspiron N5110 Laptop with Windows 7 Drivers." I recorded the image on a USB flash drive, everything seems to be going well and then it tells me that the recovery image will not be found (more on the screen). if anyone has preserved the original disk and in general everything that was attached to the laptop, please be somehow shared, except for the manuals, I found them