Reason Status
In the XP system has not entered the partition operation on the error 0X000000A5. Unable to install, this problem appears in Lenovo Yang Tian b490/b590 notebook computer.
Solutions
In the system installation process we see the prompt "press F6 if you need to install ..." When prompted, click "F7" then you can enter the normal installation mode.
According to the role of F7:
Press F7 to turn off the ACPI features of XP. ACPI does not support Switch-case syntax because XP is too old. Current VB bios for some new features of the design, including the switch-case syntax.
Operation Steps:
1. At Power-on we enter into the system BIOS, then locate the BIOS SetUp menu to modify the SATA Controller Mode option in config to compatibility, and then press F10 to save the exit;
2. Then we quickly press the F12 as shown below when the system is powered on and enter the following interface we just press the F7.
If your system prompts "You can safely shutdown", we just click the power can be resolved, the operation is very simple, if you do not like this can use the Windows 7 system OH.