This will slow down your PC performance and automatically reboots your system. Booted PC, fans came on, MOBO light on, but no POST beep and no signal. Have you tried checking your power supply? If the fan header is fitted and soldered properly and then also it is not getting voltage, then there are a couple of things that you can do.
Fans would spin, but nothing else. If it is due to bad soldering, then you can solder it back if you have done soldering before and are not a stranger to it. This works in most cases, where the issue is originated due to a system corruption. Windows Bios is Unable to Check the CPU Fan Temperature, The connection between the CPU and the motherboard is not good, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window).
If you think that the above-mentioned symptoms are the ones your system faces, then you need a new CPU fan to resolve the problem. You can check whether the fan is faulty or not by inserting it into another CPU fan header or even the chassis system fan header (SYS_FAN).
If your motherboard is not getting power and the case fans are also not spinning, then it is an issue with the power supply, and you need to get it replaced if it is faulty. Know your PSU Specs, Fix Key Chatter in Mechanical Keyboards [Working Best Solution], RTX 3070 vs RTX 2080 Ti vs RTX 2070 SUPER Comparison & Benchmarks, Fix PC Restarting Randomly while Gaming [Causes & Solutions], Best RTX 3090 Cards for 8K HDR Gaming & Work [Custom AIB Models], Best RTX 3080 Cards for 4K Gaming [Custom AIB Models], RTX 3090 vs TITAN RTX vs RTX 3080 Comparison & Benchmarks. The methods mentioned can get expensive quickly since this could be a hardware problem so we have started with the inexpensive methods. The content is copyrighted and should not be reproduced on other websites. Give it a shot. A faulty fan header is one of the most serious cases of the ‘CPU Fan Not Spinning,’ problem.
do the psu paperclip test to see if the psu works fine. I have used the PC before, and it worked. Checked PSU with PSU tester and it appeared faulty. So, here you have to open the computer case to check the connection between the motherboard and the CPU fan. It's a 3.0V DC battery, if it is <2.6V DC replace it. If you installed it yourself, was the CPU socket cap still on when you got the motherboard and before you installed the CPU and if not did you check that there were no bent pins in the motherboard's CPU socket before inserting the CPU? I noticed though the CPU fan will try to spin when powered up, and then briefly spin a few rotations just as the rig is powered down (holding in the power button). It worked well for a long time with XP and worked well for a while with Vista. I had the same thing happen to me last week. Thanks for your reply. Error code 2000-0511. The CPU fan is then controlled by the BIOS in a stepped mechanism. Desktop computers have a separate power supply unit that supplies 3V, 5V, 10V and 12V to your motherboard. in Computer Science & Engineering. If you're new to the TechRepublic Forums, please read our TechRepublic Forums FAQ. Then plug power cable in and switch on.