SYMPTOM
Devices misidentified
Probable Cause:
BIOS is incorrectly configured
Solution:
Use BIOS setup to reconfigure device options in BIOS
Sunday, September 30, 2007
Motherboard III : Troubleshooting - Bad CMOS battery
CMOS stores configuration data when PC is off. This is thanks to a battery backup connected to the mobo. Older modelsit's soldered in, but more recently this held by clips.
Motherboard II: Installations
You typically install motherboards due to
Installation of a mobo:
- Mfg defects
- Rough handling
- Upgrading a PC
- Building a PC from scratch.
Installation of a mobo:
- Unplug PC and open the case (observing normal safety precautions)
- Disconnect wires, cable, connectors from the old mobo in the case
- Remove the power supply and drives from the system if they are in the way of removing the mobo
- Unscrew the mobo from the case (or release the clips)
- Store the old mobo in a static-safe bag or box
- Install the new mobo and secure it.
- Reinstall the necessary wires, cables, and connectors
- Close, reconnect the cables and boot the PC
CPU I: Installation
- CPUs rarely fail by themselves - normally it is a mobo part.
- Typically, you don't upgrade a PC by replacing the CPU; you will normally replace the whole mobo
- If it happens that you do replace it on the mobo, you must match the CPU to the mobo
Installing one:
CPU pkgs are held in their sockets on the mobo by retaining clips or locking levers (older models).
- Unplug the PC and open the case (observe normal precautions)]
- If needed, remove the old CPU by releasing its retaining mechs and lifting the CPu from its socket.
- Place the old CPU in an appropriate box or static-safe bag
- Insert the new CPU into the socket and secure it with the retaining mechs
- Close the case, reconnect cable, boot the PC.
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