CPU Fan isn't detected in BIOS

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erik12

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Hello,

Today, cpu fan was making noise than usual when playing games like as if its on full speed.
Temperature of the processor at idle : 35C ; on load : 75C
I went to the BIOS settings -> Hardware Monitoring then this is what it shows :

Link : http://s26.postimg.org/afp8r1fk9/IMG_20140711_004232_1.jpg

Last time I checked it was fine showing all the temperatures,etc.

I'm assuming this might be because of some fault in BIOS itself (no i haven't updated it)
So I thought I could control the fan speed with the help of speedfan, I use it regularly to check the temps but now it shows only the temperatures everything except the cpu fan. Gives me some error when it starts :

ERROR collecting CPU Usage : 1 (Unable to locate the "Processor" performance object)
Win9x:NO 64Bit:YES GiveIO:NO SpeedFan:YES
I/O properly initialized
Linked ISA BUS at $0290
Linked Intel 5/3400 Series SMBUS at $F000
Found nVidia GeForce GTX 460
Linked nVidiaI2C0 SMBUS at $3D403E3F
Linked nVidiaI2C1 SMBUS at $3D403637
Linked nVidiaI2C2 SMBUS at $3D405051
Scanning ISA BUS at $0290...
SuperIO Chip=Winbond W83627DHG-P
Linked ISA BUS at $0A10
Scanning Intel SMBus at $F000...
Scanning I2CNVidia SMBus at $3D403E3F...
Scanning I2CNVidia SMBus at $3D403637...
Scanning I2CNVidia SMBus at $3D405051...
Scanning ISA BUS at $0A10...
WARNING: bad Winbond($5CA3,$C1) identify (W83627DHG-P,W83667HG)
W83627DHG-P (ID=$C1) found (using SuperIO) on ISA at $A10
Found WDC WD20EZRX-00DC0B0 on AdvSMART
Found Intel(R) Core(TM) i5 CPU 760 @ 2.80GHz
End of detection
Loaded 0 events

And I even checked in Hw monitor software, it doesn't show the fan section at all.

I'am also having CMOS Checksum error whenever I turn on the computer, happens only when I turn the switch off and doesn't happen when the switch is on and the system is completely shut down, It still persists even though I replaced the battery with a new one.

The system is completely free of dust and looks good as new.

Is this a motherboard problem?
 
Solution
clutchc


First you have to find out what needs to be repaired. I'm just guessing from afar that it's the BIOS chip. It needs to be in front of a tech that can isolate the exact problem. You could try unsoldering the BIOS chip and soldering in a new one if you are extremely handy with a soldering iron. But no guarantee that that is the only problem.
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erik12

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Thanks for the reply,

Resetting the BIOS? Like load optimal defaults and save settings? If so yeah I've tried it but no avail.
Yeah I have changed the CMOS battery, but still it gives me the error.

So in the event log of BIOS , it gives me three errors :

1.CMOS Checksum error
2.CMOS date not set
3.Fan Detection error

 
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clutchc

clutchc

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Actually, I meant with the on-board CLR CMOS jumper (while battery is removed and PSU is off) or whatever it is called on your board. Those error msgs look like what I'd expect to see if the CMOS battery was dead... or not making contact. If the jumper reset doesn't bring it back to life, the next thing I'd try is either update the BIOS or flash the same BIOS over. If the problem is still there after that, I'd have to wonder if the BIOS chip is failing. What MB do you have?
 
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erik12

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erik12

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Yeah, in msinfo32.exe it shows the old BIOS version instead of the new one.

EDIT : Also tried the iFlash method, I don't know but it restarts automatically when i try to start the update the BIOS by typing the following command from a bootable USB drive : IFLASH /PF BIOSFILE*.BIO then its says IFlash v2.4 then restarts.
 
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clutchc

clutchc

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What motherboard is this?
It's beginning to look like the BIOS chip and/or the CMOS memory is defective. Try leaving the system unplugged from power for about 15 minutes, then try the CLR CMOS with the jumper again (battery out). Plug it back in and see if anything has changed.
 
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erik12

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Its Intel DH55TC, wait I'm gonna try it now.

UPDATE* : Still no luck, got three errors in event log

1.CMOS Battery Failure
2.CMOS Checksum error
3.CMOS date/time not set

But no fan detection error, strange.
 
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clutchc

clutchc

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Do you think the battery you used was bad? Buying another new one wouldn't be too expensive to find out.
 
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clutchc

clutchc

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I'll admit, I'm not too familiar with Intel boards. But they have a BIOS recovery update as well as a flash option. Have you tried both options?
https://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=20725&lang=eng&OSVersion=Windows%207%20%2864-bit%29*&DownloadType=
 
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erik12

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Yes I've done it, the ZIP file in that link is to be done with iFlash method : where I said it got restarted as I used the cmd and the EXE file can be readily used and installed directly : where it said successfully updated but shows old BIOS version
 
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clutchc

clutchc

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If you followed the instructions as laid out on pages 63-66 of the board's manual, and the BIOS version hasn't changed and the problem still exists, it would appear that the BIOS chip and or the CMOS memory is defective.

If you have tried all three methods outlined on those pages, The next step would be to contact Intel.
 
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clutchc

clutchc

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First you have to find out what needs to be repaired. I'm just guessing from afar that it's the BIOS chip. It needs to be in front of a tech that can isolate the exact problem. You could try unsoldering the BIOS chip and soldering in a new one if you are extremely handy with a soldering iron. But no guarantee that that is the only problem.
 
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erik12

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Okay, found out that the Zebronics 500W PSU was screwing with every hardware part in my computer like 2 hdd's have been badly damaged, dvd drive, graphics card power socket became faulty so system wouldnt even turn on if I plug into that socket (it has two 6-pin sockets), and so no doubt it also made the mobo faulty. I bought a new PSU : Corsair VS550 W , but the damage is permanent now :(

So the moral is dont buy local crap.
 
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clutchc

clutchc

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Gosh. I wish I would have had asked, or you would have mentioned, that you had a Zebtronics PSU earlier. Cheap PSUs can cause a multitude of problems. I doubt I would have connected the BIOS issues with it initially, but I am constantly amazed at how many problems are related to a crappy PSU.
As you can see in this Tiered Power Supply List, the Zebtronics line is in the last tier; the not recommended tier.
https://community.newegg.com/eggxpert/computer_hardware/f/135081/t/45344.aspx?Redirected=true
Sorry to hear about the system being ruined, but now you have an excuse to build a new system.
 
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Wizzonu

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Ok, i had a similar problem for years. but only fixed it when i purchased a new computer case. i had so many fans in my old case all the motherboard screws vibrated completely loose.

A faulty ground would be my guess, in my old case i had my Cpu fan plugged into PWR fan port. When i transferred the motherboard and components to the new case i Would receive CPU FAN error on boot.
I found this odd considering i had the cpu plugged into the same port it had been plugged into for years.

The only way i could get rid of this Error on boot was to plug my CPU fan into the CPU fan port on the board.

So

1. The old case was not registering the cpu fan connect or RPM N/A

2. The new case has less fans plugged in but bigger two 200mm<low rpm> fans, one 140mm rear and 120mm bottom mounted compared to 5 120mm<high rpm fans> fans installed on old case.

3. old case was modified to support new motherboard ATX platform something i would not recommend anyone to do with a new build.

4. Overall Computer performance was improved dramatically with new case Graphics card's rendering more Objects in game and at faster speeds.

5. random Display driver crash's in game fixed.

Its possible my 120mm fan was being detected as a cpu fan in optfan1 port. It does run at highier rpm compared to my 140mm lower rpm fan plugged into optfan1 port as of now.

Its hard to say what is causing my graphics to render better with my new case as the graphic temps are pretty much the same but CPU temps much lower. My theory is that unless you or testing componants manually for temperature readouts you might be running into heat problems your motherboards sensors are not alerting you of.

Moral of this story is don't think that stuffing a bunch of fans in a small case that doesn't have proper cable routing capability's is going to fix any problems, in fact it just might create some new ones. If heat is a problem simply buy a "bigger case" with bigger fans. big fans will draw less power and they will run way way way cooler and quieter. I would recommend the Thermaltake mk-1 very nice
 
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