HP Vectra XA 5/xxx HP Vectra XA 5/xxx , User's Guide for Desktop models - Page 81
If You Cannot Turn Off Your PC, If Your PC Has a Hardware Problem
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4 Troubleshooting Your PC If You Cannot Turn Off Your PC If You Cannot Turn Off Your PC Use this section if you cannot turn off your PC, the power indication light is red, and you hear a "buzzing" sound. • Check if your PC is locked, whereby "power-off" is not allowed. You will need to enter a password to unlock the PC (refer to "Power-On Password", on page 52, and to "Setting Passwords", on page 12). • Check if you are in a suspend/sleep mode, where by a "power-off" would risk a loss of information/data (refer to "Power Menu Items", on page 55). Windows 3.11 If Your PC Has a Hardware Problem This section describes what to do if you have problems with your display, disk drives, printer, accessory board, keyboard, or mouse. Display Does Not Work Properly If Your Display is Blurred or Unreadable If you select the wrong display, the display screen may become blurred or unreadable. To correct this problem: 1 Restart the PC - either switch the PC off then on, or press and Delete . The PC will perform its Power-On-Self-Test (POST). 2 When the POST is finished, press to bypass the startup files and display the MS-DOS prompt (C:\). 3 Type CD C:\WINDOWS . 4 Type SETUP . 5 Press the up-arrow key to select the Display line, and press . English 69