Hello Tom's Hardware!
I have a couple questions/concerns about my CPU overheating and CPU fan/heatsink:
I've had my PC for about 3 years now. The CPU fan speeds have always ran at what I would describe as normal. Full speed spin at startup and normal running speed when in use. For the first time last night, the CPU fan began spinning at full speed while in normal use. It would do this in intervals of about 45 seconds: first spinning at full speed for a good 25 seconds and slowing down to normal speed for about 20 seconds, repeating over and over. I ran a temperature check with "SpeedFan" and it was definitely the CPU heating up! I immediately shutdown the PC and has been off since.
My questions are: What can cause my CPU fans to suddenly start spinning like this at full speed? Why is my CPU overheating?
Some more information:
Lenovo 3000 H210
Intel Dual Core 2.2
CPU, CPU cooler, heatsink, and motherboard are all stock. Original hardware.
This year I have added a graphics card (Sapphire 4650 1GB DDR2) , sound card (Creative Sound Blaster X-Fi Titanium), new RAM modules (4GB DDR2), a second HDD (WD Caviar Black 500GB) and a "USB 3.0 2-Port Expansion Card". This has been the case for a couple months with no overheating problems until now.
I have a couple questions/concerns about my CPU overheating and CPU fan/heatsink:
I've had my PC for about 3 years now. The CPU fan speeds have always ran at what I would describe as normal. Full speed spin at startup and normal running speed when in use. For the first time last night, the CPU fan began spinning at full speed while in normal use. It would do this in intervals of about 45 seconds: first spinning at full speed for a good 25 seconds and slowing down to normal speed for about 20 seconds, repeating over and over. I ran a temperature check with "SpeedFan" and it was definitely the CPU heating up! I immediately shutdown the PC and has been off since.
My questions are: What can cause my CPU fans to suddenly start spinning like this at full speed? Why is my CPU overheating?
Some more information:
Lenovo 3000 H210
Intel Dual Core 2.2
CPU, CPU cooler, heatsink, and motherboard are all stock. Original hardware.
This year I have added a graphics card (Sapphire 4650 1GB DDR2) , sound card (Creative Sound Blaster X-Fi Titanium), new RAM modules (4GB DDR2), a second HDD (WD Caviar Black 500GB) and a "USB 3.0 2-Port Expansion Card". This has been the case for a couple months with no overheating problems until now.
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