Solved! Have Satellite A55-S1063 that won't boot safe mode or any mode.

[carguyid]

Hello,
My sons laptop is giving error Un_Mountable_Boot_Volume
I've not idea how to fix. We have no disks with it. Suggestions or buy a new one. Running XP Pro SP3

 

[buwish]

You may have to restore or repair the OS. You can do this if there is a hidden recovery partition on it. You can see if it does by holding 0 down and then turning the laptop on.

 

[carguyid]

You may have to restore or repair the OS. You can do this if there is a hidden recovery partition on it. You can see if it does by holding 0 down and then turning the laptop on.

Thank You. That worked.