Here's the [link|https://theretroweb.com/motherboard/manual/8300-service-manual-en-us-6399cad936769539514193.pdf|service manual] for the PC.
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Select the ''Advanced Troubleshooting'' link on the Contents page and then check which, if any, diagnostic lights and their colour are turned on, on the back panel.
+
Select the ''Advanced Troubleshooting'' link on the Contents page and then check which diagnostic lights and their colour are turned on, on the back panel.
If there are any on, then depending on the colour combination, it represents a code showing what the problem may be.
Here's the [link|https://theretroweb.com/motherboard/manual/8300-service-manual-en-us-6399cad936769539514193.pdf|service manual] for the PC.
-
Select the ''Advanced Troubleshooting'' link on the Contents page and then check which, if any, diagnostic lights are turned on and their colour, on the back panel.
+
Select the ''Advanced Troubleshooting'' link on the Contents page and then check which, if any, diagnostic lights and their colour are turned on, on the back panel.
If there are any on, then depending on the colour combination, it represents a code showing what the problem may be.
Here's the [https://theretroweb.com/motherboard/manual/8300-service-manual-en-us-6399cad936769539514193.pdf|service manual] for the PC.
+
Here's the [link|https://theretroweb.com/motherboard/manual/8300-service-manual-en-us-6399cad936769539514193.pdf|service manual] for the PC.
-
Select the ''Advanced Troubleshooting'' link on the Contents page and then check what, if any, diagnostic lights are turned on, on the back panel.
+
Select the ''Advanced Troubleshooting'' link on the Contents page and then check which, if any, diagnostic lights are turned on and their colour, on the back panel.
-
If there are any on, these are a code showing what the problem may be.
+
If there are any on, then depending on the colour combination, it represents a code showing what the problem may be.
Hi @tombell58613
Here's the [https://theretroweb.com/motherboard/manual/8300-service-manual-en-us-6399cad936769539514193.pdf|service manual] for the PC.
Select the ''Advanced Troubleshooting'' link on the Contents page and then check what, if any, diagnostic lights are turned on, on the back panel.
If there are any on, these are a code showing what the problem may be.