Performing The Advanced Checkout Procedure - IBM x iDataPlex dx340 Series Problem Determination And Service Manual

Performing the advanced checkout procedure

This section contains information for trained service technicians.
The no POST no video environment occurs when the server does not complete
POST and there is no output to the monitor during boot. To perform the no POST
no video troubleshooting procedure, complete the following steps:
1. Search the Retain tips for a known solution that will correct the problem. Did a
Retain tip correct the issue?
v Yes: The problem is solved.
v No: Go to step 2.
2. Check the standby power. Are any system LEDs lit or flashing?
v Yes: See "System-board LEDs" on page 10 to locate the system LEDs and
to continue troubleshooting.
v No: Go to step 3.
3. Verify that the power supply is receiving power. Is the power properly turned
on and are the power-supply fans working?
v Yes: Go to step 4.
v No: Go to step 5.
4. Remove the system-board tray from the chassis and apply power to the
system. Is the fan on the power supply working?
v Yes: (Trained service technician only) Replace the system-board tray.
v No: Replace the power supply.
5. Check if power is being applied to the system-board tray. Press the
power-control button to turn on the system. Are the system fans working?
v Yes: Go to step 8.
v No: Complete the following tasks:
a. Remove the chassis.
b. Remove the chassis top cover.
c. Reseat the fan packs on the power supply.
d. Reseat the chassis in the rack.
e. Go to step 6.
6. Is the amber LED on the power supply lit?
v Yes: Replace the power supply.
v No: (Trained service technician only) If the amber LED on the power supply
is not lit, reseat the system-board tray.
7. Check the VGA controller jumper. See "System-board jumpers" on page 8 for
more information.
8. Reseat all of the system board components, including the following:
v Cables
v DIMMs
v Optional adapters
v Video card
Go to step 9.
9. Turn the system on. Does the system boot and display output to the monitor?
v Yes: One of the components was loose. The problem is fixed.
v No: Go to step 10 on page 22.
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Chapter 2. Diagnostics