![]() Both error codes indicate that there is a problem with the HP laptop system fan. HP error 90b or error 90f occurs while starting the HP laptop. Check in the listener.log file for an event.If an easy connect naming connect identifier was used, prove that the service name specified is a service known to the listener.Dopple-check that the SERVICE_NAME parameter in the connect descriptor of the net service name used specifies a service known to the listener.Find out which services are currently known by the listener by executing: lsnrctl services.This can be a temporary condition, for example, after the listener has been started, but before the database instance has registered with the listener. Either it has not been dynamically registered with the listener yet or has not been configured statically for the listener. The connect descriptor that has been received by the listener specified a service name for a service (usually a database service). The listener received a request to set up a connection to a database or other service. Hard Drive Reseat: If the first steps did not solve HP error 3F0, check if your hard drive is damaged or needs to be reseated.Hard Drive Test: Use HP PC Hardware Diagnostics to run either a quick test or an extensive test, and review the error log afterwards.After the reset, restart your computer and check if the error still occurs. BIOS Settings: Another possible solution is to restore the BIOS default settings in the BIOS Setup section. ![]() ![]() This forces the system to reestablish the connection between the hard drive and the BIOS. Hard Reset: By performing a hard reset, you can erase all information in the computer memory.If you are facing HP error 3F0 and the boot device is not, solve the problem by following these simple steps: The cause can be a hard drive connection issue, an incorrect boot sequence in the Basic Input-Output System (BIOS), a malware attack, or a damaged hard drive. The HP hard drive error 3F0 may occur when the system boot process is not supported by the hard disk. ![]()
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