Uploaded July 2024 | Updated September 2026, 3 weeks ago

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A step by step guide to Troubleshooting a PC that won't power on or post.

00:00 Intro

Troubleshooting a PC That Won't Power On
00:13 Checking PSU Cables
06:13 Power Switch Cable
08:20 Clear CMOS
09:26 Check CMOS Battery
09:58 Unplug Unnecessary Cables
11:04 Test Motherboard Outside Case
11:35 Replacing the PSU
12:51 Testing the PSU
13:34 PSU Jumper Test

Troubleshooting a PC That Powers On But Doesn't Post
16:22 Connectors and Cables
18:59 Post Status Checker LEDS
20:28 VGA Troubleshooting
26:07 DRAM Troubleshooting
30:05 CPU Troubleshooting
34:20 Other Troubleshooting Steps
35:41 Outro


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