Hibernation can be a wonderful addition to systems, especially notebooks, when it works. However, there are some cases when it is very dangerous. To give the average Joe a good idea of what hibernation does, it basically writes all the current system contents (what it has in RAM among other things) onto the hard drive. That way, instead of booting normally, which takes a long time, the system reads the information from the hard drive and places it where necessary. However wonderful the theory may sound, it does not always work in practice. The reason for this is because of hardware constraints. Certain hardware cannot reproduce the state it was in before the computer was shut down for hibernation. To eliminate this issue, hardware manufacturers and Windows developers need to team up to solve the impeding problem. For the time being, you will just have to shut your computer down normally if you are having problems with hibernation.