HP EliteDesk 800 G6 Maintenance and Service Guide - Page 7

There is no sound or sound volume is too low 56 Cannot remove computer cover or access panel 57 Poor performance ...57 Computer powered off automatically and the power light blinks red four times and then white two times ...58 System does not turn on and the lights on the front of the computer are not blinking 58 Solving power problems ...59 Power supply shuts down intermittently 59 Computer turned off automatically, power light blinks red two times followed by a twosecond pause, and the computer beeps two times (Beeps stop after fifth iteration but lights continue blinking) ...59 Power light blinks red four times followed by a two-second pause and the computer beeps four times (Beeps stop after fifth iteration but lights continue blinking 59 Solving hard drive problems ...60 Hard drive error occurs ...60 Disk transaction problem ...60 Drive not found (identified) ...60 Nonsystem disk/NTLDR missing message 61 Computer will not boot from hard drive 61 Computer seems to be locked up ...62 Solving audio problems ...62 Sound cuts in and out ...62 Sound does not come out of the speaker or headphones 62 Computer appears to be locked up while recording audio 63 Line-in jack is not functioning properly 63 Solving printer problems ...63 Printer will not print ...63 Printer will not turn on ...64 Printer prints garbled information ...64 Printer will not print ...64 Solving keyboard and mouse problems ...64 Keyboard commands and typing are not recognized by the computer 64 Mouse does not respond to movement or is too slow 65 Solving hardware installation problems ...65 A new device is not recognized as part of the system 66 Computer will not start ...66 Power light blinks red three times and then white two times 66 Solving network problems ...67 Network driver does not detect network controller 67 Network status link light never blinks 67 Diagnostics reports a failure ...68 vii