10 ways to diagnose ailing PCs: Step by step

It’s a given: PCs go south and do so often. Whether it’s hardware, software, or user error, there will always be something in the way of that PC running smoothly. Problem is, there are so many things that can go wrong, it’s often difficult to know where to start to simply discover the problem.
I do a lot of remote support, so I’ve had to learn many ways to troubleshoot a sick PC without the luxury of being in front of the patient. Of course, there are countless routes to take with this process, but I thought I’d share the steps I like to follow. These are not your standard “Run your antivirus” or “Defrag the drive” approaches, either. This is the method I follow from the beginning of the phone call to the client.

How to Fix the Error "The User Profile Service failed the logon. User profile cannot be loaded."

Information
When you log on to Vista or Windows 7 using a temporary profile (user account), you receive this error message:

The User Profile Service failed the logon. User profile cannot be loaded.

For more information, see:
Error message when you log on to a Windows Vista-based or Windows 7-based computer by using a temporary profile: "The User Profile Service failed the logon. User profile cannot be loaded"

Membuat Simulasi Jaringan VLAN

Misal dalam kasus ini PIKMI sebuah lembaga computer memiliki 2 lab yaitu LAB A dan LAB B…agar komunikasi data tidak ribet dengan menggunakan fasilitas yang minim, maka ditentukan agar LAB A dan LAB B memiliki server yang berbeda namun dengan hanya menggunakan 1 SWITCH…

Nah gimana caranya…