1. My mouse doesn't work very well/ doesn't work at all.

Have you ever cleaned your mouse? Take a look at the backside, remove the lit and the ball, and clean any dust there. If it doesn't improve the performance, it is time to buy a new mouse.
If the mouse doesn't' work at all, maybe connection is loose. Check the back of the computer and make sure it plugged in properly.  

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2. What is Safe Mode?

Safe mode is window's mode that loads only basic files and drivers (mouse, monitor, keyboard, default system services and so on.  If your windows do not load up, you can find out what's wrong your systems.  If the problems are found in the registry, this safe mode tends to fix the registry file automatically.  In other words, if your windows still do not load up, the problem is not in the registry file.

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3. What can I do with safe mode?

You can

• Remove the device that may cause the problem.
• Remove the software that may cause the problem.
• Check hard drive for error's using Microsoft's Scandisk.
• Edit registry (NOT RECOMMENDED).

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4. How to go to the safe mode?

• Windows 95
  Restart your computer, and when you see the "Starting Windows 95" message, press F8, and then choose Command Prompt Only from the Startup menu.
• Windows 98
  Restart your computer, press and hold CTRL, and then choose Command Prompt Only from the Startup menu.

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5. How to remove viruses?

When you are infected by virus, try to use anti-virus software.  However, some virus cannot be picked up by these anti-virus software or cannot remove virus. If you encounter this situation, you have no choice but format your hard-drive and restore the Operating systems (System Restoration).

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6. Why system restoration could improve my computer's performance?

The idea behind a reformatting and reinstalling your operating system, is merely to clean it up, which in doing so removes unused, unnecessary files that have accumulated.  A system restore will not make your computer faster, but will bring the computer back to the state in which it was in when you purchased the computer.  Depending on whom you have do the restore,  you will find that the system may in fact run smoother as

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7. What is the difference between IDE and SCSI?

There are some differences between IDE and SCSI hard drives.  It is up to you or your computer which type you should choose.  If you don't know, contact the technician.

IDE Type:

• Connect to the motherboard using the flat cable.
• Cheaper than SCSI.
• Easier to set up than SCSI.

SCSI type:

• More devices can be connected at same time.
• Faster data transmission.
• Relatively difficult to set up

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8. How to upgrade RAM?

Before attempting any form of upgrade to your computer, be sure to ground yourself effectively such as wearing an ESD wrist strap.  It doesn't matter if your computer is plugged in or not, there is still enough of a charge between yourself and the electronic components that could harm you and your computer.

Remove the case and locate the slots.  The next step is to orient the ram card according to the layout of the memory slots.  They will in most cases, only fit one way. Snap the RAM in a free slot. It is highly recommended to consult the store you bought the computer from or a technician when you upgrade your RAM if you are not sure what type of RAM you should buy.