HP d248 Quick Setup & Getting Started - Page 21

Getting Started Problem Cause Solution Computer appears locked Software control of the up and will not turn off power switch is not when the power button is functional. pressed. Press and hold the power button for at least 4 seconds until the computer turns off. Computer date and time display is incorrect. RTC (real-time clock) battery First, reset the date and time under may need to be replaced. Control Panel (Computer Setup can also be used to update the RTC date and time). If the problem persists, replace the RTC battery. Refer to the Hardware Reference Guide for instructions on installing a new battery, or contact your HP authorized reseller or service provider for RTC battery replacement. Computer appears to pause periodically. Network driver is loaded Establish a network connection, or use and no network connection Computer Setup or Windows Device is established. Manager to disable the network controller. Poor performance is experienced. Processor is hot. 1. Make sure the airflow to the computer is not blocked. 2. Make sure the fans are connected and working properly (some fans only operate when needed). 3. Make sure the processor heatsink is installed properly. Cursor will not move using the arrow keys on the keypad. The Num Lock key may be on. Press the Num Lock key. The Num Lock light should not be on if you want to use the arrow keys. Blank monitor screen. Monitor is not turned on Turn on the monitor and check that the and the monitor light is not monitor light is on. on. Quick Setup & Getting Started Guide 2-9