37Using Support ToolsNo timer tick interrupt — A chip on the systemboard might be malfunctioning or there might bea system board failure. See theService Manualat support.dell.com/manuals or contact Dell forassistance (see “Contacting Dell” on page 55).USB over current error — Disconnect the USBdevice. Your USB device needs more power forit to function properly. Use an external powersource to connect the USB device, or if yourdevice has two USB cables, connect bothof them.NOTICE - Hard Drive SELF MONITORINGSYSTEM has reported that a parameterhas exceeded its normal operating range.Dell recommends that you back up your dataregularly. A parameter out of range may or maynot indicate a potential hard driveproblem — S.M.A.R.T error, possible harddrive failure. Contact Dell for assistance (see“Contacting Dell” on page 55).Hardware TroubleshooterIf a device is either not detected duringthe operating system setup or is detectedbut incorrectly configured, you can use theHardware Troubleshooter to resolve theincompatibility.To start the Hardware Troubleshooter:Click1. Start → Help and Support.Type2. hardware troubleshooter inthe search field and press to startthe search.In the search results, select the option that3.best describes the problem and follow theremaining troubleshooting steps.