10 Elder

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45.2K Posts

June 17th, 2018 13:00

Sounds like the new video card is producing more heat, meaning the fan(s) have to kick in more frequently, and giving you the fan error message sooner, because one of them has malfunctioned.

Reboot and immediately  press F12. Look for option to run the diagnostics and run the fan tests.

If a fan fails the diagnostics, open the case and carefully reseat both the CPU fan connector and the chassis fan connector on the motherboard. Then close up and run the fan tests again. Read the Service Manual for locations of those connectors on the motherboard and how/where the fan cables should be routed.

If a fan fails again, you may have to replace it. Caveat: I don't know if both fans have a sensor in it that can trigger a fan failure message or if only the CPU fan has it. 

So if you continue to get a fan failure message, first start by replacing the CPU fan, which has that sensor - unless BIOS indicates which fan failed and/or somebody else knows if the chassis fan has a sensor. And you need a Dell OEM fan because non-Dell fans won't have that sensor and will cause a "fan failure" error at every reboot.

And obviously, if PC is under warranty, contact Dell Tech Support to get the fan replaced.

2 Posts

June 17th, 2018 14:00

The thing is, I tested the heat with the new video card and nothing is overheating. Temps is at 26 when pc boot and 46 max in game.

( The Sims... most consuming game ever... lol... jk of course)

One should expect from 90 to 120 for anything critical as I was told.

 The Pc is also cold to the touch.I tried removing the cover to « help », didn’t help.

I runned all diagnostic and from my pc perspective; everything is working fine.

Also, everything in my PC is « stuck » ( came with it when bought) inspiron 3650 i5.

only thing changed were;

-New dara disk (3TB)

-GeForceGTX1050

10 Elder

 • 

45.2K Posts

June 17th, 2018 18:00

Did the diagnostics say which fan(s) it tested? And did it report two speeds for the CPU fan, a slow speed (maybe ~800-900 RPM) and then a faster speed (maybe ~1400-1500 RPM)?

Did you try reseating the fan connectors on the motherboard?

How are you measuring those PC temps? And it may not matter what the actual temps are. If BIOS loses contact with the sensor in the CPU fan, it's going to report a fan error, regardless of the temps.

Since this happened before the new video card was installed, the new card probably produces more heat than the old one, and the more heat, the more BIOS will try upping the fan speed.

If you put the old card back in, does the frequency of fan errors go down to "occasional", like it was before?

BTW: You have a 225W PSU but what's the recommended PSU wattage for the new card?

Like I said, if you're under warranty, contact Dell Tech Support to swap out the CPU fan+heatsink assembly. And if not under warranty, you'd have to replace the assembly at your own expense...

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