1st issue
This laptop is a cheap laptop but some times there is an issue with keyboard.
-But after updating the BIOS the issue is resolving.
2nd issue
-In this laptop there is a second issue that some times it stock at lenovo logo.
- There is a setting in BIOS means in the BIOS in the boot priority we have to change the setting.
-For win 7 legacy and for win 8 UEFI support.
- secure Boot setting is always enable.
Only these are the two main problem of this system.
3rd issue
-The system configuration is like that if the problem is with the hard disk the the total motherboard will replace.