AcerAltos 9100 Series User’s Guide1-84. Remove any expansion boards or peripherals that block access to componentsyou are installing.5. See the following sections for specific instructions on the component you wishto install.Do not attempt the procedures described inthe following sections unless you are aqualified service technician.1.5.3 Post-installation InstructionsObserve the following procedures after installing a system component:1. See to it that the components are installed according to the instructions in theirrespective sections.2. Make sure you have set all the required jumpers. See section 1.4.2 for thecorrect jumper settings.3. Replace any expansion boards or peripherals that you removed earlier.4. Replace the system cover.5. Connect the necessary cables and turn on the system.Always observe the following electrostatic discharge (ESD) precautions beforeinstalling a system component:1. Do not remove a component from its antistatic packaging until you are readyto install it.2. Wear a wrist grounding strap before handling electronic components. Wristgrounding straps are available at most electronic component stores.Do not attempt the procedures described in thefollowing sections unless you are a qualifiedtechnician.