Abstract: USB KEYBOARDS FAIL POWER-ON TEST IN PC DOCTOR SYMPTOM: After booting the system to the PC Doctor for DOS diagnostics diskette, and starting the Keyboard Interface test, the key- board power-on self test fails. PROBLEM ISOLATION AIDS: This tip applies, but is not limited to, the IBM PC300GL Machine Types 6561/6591 utilizing a USB keyboard. FIX: Perform the interactive keyboard test if a keyboard error is suspected. An updated version of PC Doctor for DOS will be posted on the IBM BBS that corrects this condition when it becomes available. Users can check for the updated version of PC Doctor for DOS by searching either the IBM BBS or PC Support web pages for "IBM Enhanced Diagnostics Diskette" for machine types 6561 and 6591. PC Doctor is a trademark of Watergate Software. SAS KEYWORDS: PSY2 PSY2DIAG PSY2ERR PSY2KBD PSY2OEM PSVP PSVPDIAG PSVPERR PSVPKBD PSVPOEM D/T6561 D/T6591 6561 6591 84927 UNCLASSIFIED