If Your Pc Does Not Start; If Your Display Is Blank And There Are No Error Messages - HP 5/xx Series 4 User Manual

If Your PC Does Not Start

If Your Display is Blank and There Are No Error Messages

1 Check that the computer and display are turned on. (The power light
should be illuminated.)
2 Check the display's contrast and brightness settings.
3 Make sure that all cables and power cords are firmly plugged in.
4 Make sure the power outlet is working.
5 If the PC still does not work:
a Turn off the display, the computer, and all external devices.
b Unplug all power cords and cables, noting their positions.
c Remove the cover.
d Check that all internal cables are correctly attached and firmly in
place.
e Check that the processor is correctly installed, see "Installing an
Upgrade Processor" on page 47.
f Check that the processor speed switches have been set correctly,
see "System Board Connectors and Switches" on page 95.
g Check that the memory modules are correctly installed, see
"Installing Memory" on page 26.
h Check that accessory boards are firmly seated in their slots, see
"Installing Accessory Boards" on page 31.
i Verify that any switches and jumpers on the accessory boards are
properly set (refer to the manuals that came with each board).
j Check that the switches on the system board are properly set, see
"System Board Connectors and Switches" on page 95.
k Replace the cover.
l Reconnect all cables and power cords.
m Turn on the display and computer.
If your PC still does not start, remove all boards and accessories,
except the hard disk drive. Start the PC. If the PC now works, add the
boards and accessories one at a time to determine which one is causing
the problem.
5 Troubleshooting Your PC
If Your PC Does Not Start
English 67