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Old 11-20-2013, 08:04 AM   #1 (permalink)
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Default Fans running wildly, not even close to hot v2.0

The problem:
The microprocessor fan is running wild at full speed & making a lot of noise.
Cleaning the dust off the PC did not make any difference.

Recently, i noticed erratic microprocessor temperature readings & i suspect their role:

pics:




video (size: 514 KB):
BayFiles OR Zippyshare.com - MP_erratic_temp.mp4

The PC is an old HP Pavilion a1312 Desktop PC.
My posts in this thread are made using this same wild-fan PC
Specs Summary (by Speccy)
Operating System:-- Microsoft Windows XP Home Edition 32-bit SP3
CPU:------------- Intel Pentium 4 517 (Prescott 90nm Technology)
RAM:------------ 1.00GB Single-Channel DDR2 @ 266MHz (4-4-4-12)
Motherboard:------ Hewleet-Packard Asterope (CPU 1) 33 C
Graphics:--------- Generic Television (1024x768@85Hz); HP m705 (1024x768@85Hz); ATI video (HP)
Hard Drives:------- 75GB Seagate ST380011A (ATA) 31 C
Optical Drives:----- No optical disk drives detected
Audio:----------- Realtek High Definition Audio


Background info:
1) My desktop PC failed to boot (no BIOS/POST messages, no HDD activity, no monitor signal)
2) Replaced CMOS battery (didn't disturb anything else) - PC ran fine for 3 days
3) again, failed to boot
4) removed one RAM stick (didn't disturb anything else) - PC ran fine (a bit slow)
5) replaced the same RAM stick - PC failed to boot - again, removed the same RAM stick - PC ran fine
6) held the same RAM stick in slot using one hand (touching just the edges of the stick) while switching on the PC - EPIC STUPIDITY !!!
7) the PC booted but with the microprocessor fan running wild ever-since
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Old 11-20-2013, 12:22 PM   #2 (permalink)
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Default Re: Fans running wildly, not even close to hot v2.0

Quote:
Originally Posted by Multicore View Post
The problem:
The microprocessor fan is running wild at full speed & making a lot of noise.
Cleaning the dust off the PC did not make any difference.

Recently, i noticed erratic microprocessor temperature readings & i suspect their role:


Background info:

2) Replaced CMOS battery (didn't disturb anything else) - PC ran fine for 3 days
3) again, failed to boot
4) removed one RAM stick (didn't disturb anything else) - PC ran fine (a bit slow)
5) replaced the same RAM stick - PC failed to boot - again, removed the same RAM stick - PC ran fine
1.Replace your cmos battery.
2.Replace both memory sticks so your computer will have newer ram.
3.You didn't specify if you have checked your cpu grease to see if it needed changing or not.

Please tell us what ram you have and what model/name brand.
Once we have that I can go out and look for better ram for your computer.
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Old 11-20-2013, 12:25 PM   #3 (permalink)
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Default Re: Fans running wildly, not even close to hot v2.0

Check your BIOS settings to see if there's a temperature setting or fan setting.

Also, P4's are known to run very hot... that's just their thing.
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Old 11-20-2013, 01:59 PM   #4 (permalink)
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Default Re: Fans running wildly, not even close to hot v2.0

Quote:
Originally Posted by MikeTech View Post
1.Replace your cmos battery.
2.Replace both memory sticks so your computer will have newer ram.
3.You didn't specify if you have checked your cpu grease to see if it needed changing or not.

Please tell us what ram you have and what model/name brand.
Once we have that I can go out and look for better ram for your computer.
1. Already did that, bought & put another CMOS battery, now have one in spare.
2. RAM is not bad, it is running fine since May 2013 except the fan noise
3. It is a stock HP OEM PC, never checked for it & checking=changing

The PC was purchased on 20 Apr, 2006.
PC-DDR2 RAM 266.5 MHz, but i do not want spare DDR2 RAM like the way i now have the CMOS battery, since i think the RAM is fine.



Quote:
Originally Posted by carnageX View Post
Check your BIOS settings to see if there's a temperature setting or fan setting.

Also, P4's are known to run very hot... that's just their thing.
I have already checked BIOS settings, the OEM BIOS does not have any temperature setting or fan setting.
I have also used two different fan speed control software, but that didn't work either.
the fan speed control software made the fan speed erratic - slow & fast

Mobo temp 36 C
HDD temp 46 C
microprocessor temp 40 C

BTW, Core Temp shows that the CPU temperature is 0 C:


To see my travails in solving this problem see this:
Fans running wildly, not even close to hot
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Old 11-20-2013, 03:23 PM   #5 (permalink)
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Default Re: Fans running wildly, not even close to hot v2.0

Quote:
Originally Posted by Multicore View Post
1. Already did that, bought & put another CMOS battery, now have one in spare.
2. RAM is not bad, it is running fine since May 2013 except the fan noise
3. It is a stock HP OEM PC, never checked for it & checking=changing

The PC was purchased on 20 Apr, 2006.
PC-DDR2 RAM 266.5 MHz, but i do not want spare DDR2 RAM like the way i now have the CMOS battery, since i think the RAM is fine.





I have already checked BIOS settings, the OEM BIOS does not have any temperature setting or fan setting.
I have also used two different fan speed control software, but that didn't work either.
the fan speed control software made the fan speed erratic - slow & fast

Mobo temp 36 C
HDD temp 46 C
microprocessor temp 40 C

BTW, Core Temp shows that the CPU temperature is 0 C:


To see my travails in solving this problem see this:
Fans running wildly, not even close to hot
I gotta give credit to carnagex on this one but he is right.
On coretemp check the tab called motherboard and copy the serial number here.
I'll check for any new bios revisions provided by hp that may fix it.
What you could do is look for some replacement fans if needed. :/
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Old 11-20-2013, 03:33 PM   #6 (permalink)
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Default Re: Fans running wildly, not even close to hot v2.0

Quote:
Originally Posted by Multicore View Post
1. Already did that, bought & put another CMOS battery, now have one in spare.
2. RAM is not bad, it is running fine since May 2013 except the fan noise
3. It is a stock HP OEM PC, never checked for it & checking=changing

The PC was purchased on 20 Apr, 2006.
PC-DDR2 RAM 266.5 MHz, but i do not want spare DDR2 RAM like the way i now have the CMOS battery, since i think the RAM is fine.
Have you ran Memtest86+ to confirm that the RAM is fine?




Quote:
I have already checked BIOS settings, the OEM BIOS does not have any temperature setting or fan setting.
I have also used two different fan speed control software, but that didn't work either.
the fan speed control software made the fan speed erratic - slow & fast

Mobo temp 36 C
HDD temp 46 C
microprocessor temp 40 C

BTW, Core Temp shows that the CPU temperature is 0 C:


To see my travails in solving this problem see this:
Fans running wildly, not even close to hot
Try using RealTemp instead of CoreTemp.
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Old 11-21-2013, 08:09 AM   #7 (permalink)
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Default Re: Fans running wildly, not even close to hot v2.0

Quote:
Originally Posted by MikeTech View Post
I gotta give credit to carnagex on this one but he is right.
On coretemp check the tab called motherboard and copy the serial number here.
I'll check for any new bios revisions provided by hp that may fix it.
What you could do is look for some replacement fans if needed. :/
I have already updated the bios revisions provided by hp (last one for this specific model was released back in 2007):


I searched intensively for a motherboard tab on Coretemp, but was unable to find such a tab.

Mobo details via Speccy:


Quote:
Originally Posted by carnageX View Post
Have you ran Memtest86+ to confirm that the RAM is fine?
Try using RealTemp instead of CoreTemp.
Already tried RealTemp, before CoreTemp, but it returned this error:


Yes, i have run Memtest86+ & ran again to post these screenshots of 2 successful passes:








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Old 11-21-2013, 04:26 PM   #8 (permalink)
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Default Re: Fans running wildly, not even close to hot v2.0

Well I don't know what else to tell you but this: Upgrade and move on. :|
I know you want this machine to work but believe me when I say this it ain't worth it.
Since you have a LGA 775 cpu and mobo we could do better and your case should allow different mobos.

Newegg.com - MSI H61M-P32/W8 LGA 1155 Intel H61 Micro ATX Intel Motherboard
Newegg.com - Intel Pentium G2020 Ivy Bridge 2.9GHz LGA 1155 55W Dual-Core Desktop Processor Intel HD Graphics BX80637G2020
Crucial 2GB 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10600) Desktop Memory Model CT25664BA1339 - Newegg.com

All this under 150.00 bucks and well worth it if money is not much of an issue for you towards the shopping season.
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