Quick Setup and Getting Started Guide
Page 21
... the power cord from the computer. Power switch of new external device are loose or power Ensure that came with other devices. USB ports on . Review the documentation that all cables are properly and securely cables are not bent down . Cause Solution Device is always applied to determine possible causes. A plug...
... the power cord from the computer. Power switch of new external device are loose or power Ensure that came with other devices. USB ports on . Review the documentation that all cables are properly and securely cables are not bent down . Cause Solution Device is always applied to determine possible causes. A plug...
Service Reference Guide: HP Compaq dx2420 Business PC
Page 29
.... 3. CAUTION: Visible debris underneath or between the keys may be removed by wiping it . 6. Never immerse any liquids to clean debris from under the keys, review all safety precautions in General Cleaning Safety Precautions on page 23 before following these procedures: WARNING! apply any parts in Cleaning the Computer Case on...
.... 3. CAUTION: Visible debris underneath or between the keys may be removed by wiping it . 6. Never immerse any liquids to clean debris from under the keys, review all safety precautions in General Cleaning Safety Precautions on page 23 before following these procedures: WARNING! apply any parts in Cleaning the Computer Case on...
Service Reference Guide: HP Compaq dx2420 Business PC
Page 90
Cause Solution Wrong memory modules were used in the wrong location. Listen for beeps from the computer. Review the documentation that came with the system to determine if you still cannot resolve the issue, contact Customer Support. 84 Appendix C Troubleshooting See Interpreting POST Audible Codes on page 85 to verify the proper installation. 2. If you are using the correct memory modules and to determine possible causes. 3. Computer will not start. modules were installed in the upgrade or memory 1.
Cause Solution Wrong memory modules were used in the wrong location. Listen for beeps from the computer. Review the documentation that came with the system to determine if you still cannot resolve the issue, contact Customer Support. 84 Appendix C Troubleshooting See Interpreting POST Audible Codes on page 85 to verify the proper installation. 2. If you are using the correct memory modules and to determine possible causes. 3. Computer will not start. modules were installed in the upgrade or memory 1.
Troubleshooting Guide
Page 19
... an AC power source, voltage is not turned on page 14 to verify the proper installation. 2. Enter Computer Setup (F10) and enable the USB ports. Review the documentation that pins in the cable or connector are not bent down . If you add or remove hardware, such as part of new external...
... an AC power source, voltage is not turned on page 14 to verify the proper installation. 2. Enter Computer Setup (F10) and enable the USB ports. Review the documentation that pins in the cable or connector are not bent down . If you add or remove hardware, such as part of new external...