Audio

My system has sound (audio) problems.
My desktop has microphone problems.

Hard Disk Drive

My hard drive is not detected.
My hard drive is not working correctly.
My hard drive is low on disk space.
How do I troubleshoot a RAID0 volume?
How do I troubleshoot a RAID1 volume?
How do I troubleshoot a RAID5 volume?

Internet and Networking

My Internet connection is slow.
Internet/Network Connectivity
I need help accessing secure Internet sites.

Input/Ouput

My mouse button or wheel does not work.

Modem

My dialup modem is unable to access the Internet.
My dialup modem does not receive a dial tone.
My dialup modem is not detected in Windows.

Motherboard

My system randomly loses BIOS settings.

Optical

My CD/CD-RW/DVD optical drive is not working correctly.

Power

My system shuts down intermittently.
My desktop does not power on.
My desktop does not complete POST.
My desktop locks or hangs during POST.

Software

Blue Screen Errors (Stop Errors)
How do I detect or identify spyware?
How do I detect or identify viruses?
I am getting an error message "Windows Boot Configuration Data File is Missing Required Information."
I have lost or forgotten my login password.
I need information about device drivers.
Lockups / Hangs / Stops Responding
My desktop reboots during startup.
My system is running slow.
Windows Vista is not starting due to missing or corrupt files.

System

Desktop Noisy Drives or Fans

Video

My desktop has abnormal video
My desktop has no video