hp pavilion laptop hard drive replacement

Have a lot of friends ask me the hard drive of the notebook can change? The answer is certainly can change. But the notebook hard drive replacement upgrade is not like the desktop, basically buy a piece to change, of course, it depends on your motherboard and

An error was given during startup of the Linux system:There is offline or missing virtual drives with preserved cache. Please check the cables and ensure, all drives is present.Press any key to enter the configuration utility.Unable to enter the system.The solution is as follows:Go to RAID management, F2, edit profile--managing preserved cache--and discard the cache, then save, Ctrl+alt+del reboot. Problem solving.Attached: Dell's official description of this issue:Error Message: There is offlin

are the steps I summarized:Factory personnel to the scene----"e-mail notification operation and maintenance (emergency call)----" The scene of the machine, and the display view status, self-test error in the hard drive does not show please contact operation to view the hard drive serial number (need to power on and of