My CPU and case fan do not run.. HELP!

matt_the_punk · 04-17-2005, 03:35 PM

Is this normal..? are they only supposed to run when the pc gets too hot? Im sure they were meant to run all the time..? My PSU fan runs when the pc is switched on. Erm, the cpu fan goes into the motherboard through 3 wires. and the other one is a 4 socket plug which plugs into one of the power supply things.. How can i fix this..

Cheers, matt x

**Sarkast** · 04-17-2005, 04:55 PM

No its not normal for your CPU fan to not run.
What are the specs of your PC ? I also suggest to not use the PC untill you are able to figure out why the fan isnt running and get it fixed so your CPU doesnt get damaged.

**waffleweed** · 04-18-2005, 09:57 AM

probably the fan is damage and they die after a while. you can try getting another fan and put it on top of your heatsink.

**MD_Willington** · 04-18-2005, 10:57 AM

What mainboard, some mainboards have fan throttling in the bios...

MD

matt_the_punk · 04-18-2005, 02:17 PM

Thanks for the replys... My spec is as follows.. My pc is pretty much brand new too, so i doubt they have worn out, just put together badly.

AsRock K8upgrade 754.
AMD 64 3000
512MB Ram
80GB HDD

cheers.

**MD_Willington** · 04-18-2005, 04:05 PM

Whats the true capacity of your power supply? What I mean by that is not whats written on the side like "400W" I mean what are the amperage (A) specs for each voltage on the side of the power supply for:
3.3V = ?A
+5V =?A
+12V =?A
+5VSB =?A

Quite a few people have had problems with those boards latelly...Asrock quality has gone down hill somewhat.

MD

matt_the_punk · 04-18-2005, 04:55 PM

350W power supply
3.3V= 20A
+5V= 30A
+12V= 13A
+5VSB= 2.0A

i have managed to get the case fan working, by plugging it into another output(socket) from the PSU.

**MD_Willington** · 04-19-2005, 10:28 AM

These are the minimum recommended in the AMD desktop builders guide circa 2002 for a certifed 300W power supply for a Socket 462 system.
+3.3V = 28A
+5.0V = 30A
+12.0V = 15A-18A
+5VSB = 2A-2.5A

Your capacity on your 12V line is too low even for a socket A system let alone a K8 based system.

You may be able to just squeeze by with a very simple minimal build, but don't count on adding any drives to it.

MD

04-17-2005, 03:35 PM	#1 (permalink)
matt_the_punk Registered User Join Date: Apr 2005 Posts: 24 OS: XP	My CPU and case fan do not run.. HELP! Is this normal..? are they only supposed to run when the pc gets too hot? Im sure they were meant to run all the time..? My PSU fan runs when the pc is switched on. Erm, the cpu fan goes into the motherboard through 3 wires. and the other one is a 4 socket plug which plugs into one of the power supply things.. How can i fix this.. Cheers, matt x

04-17-2005, 04:55 PM	#2 (permalink)
Sarkast TSF Enthusiast Join Date: Sep 2004 Location: NY Posts: 2,715 OS: WinXP	No its not normal for your CPU fan to not run. What are the specs of your PC ? I also suggest to not use the PC untill you are able to figure out why the fan isnt running and get it fixed so your CPU doesnt get damaged. __________________ P4 2.4@2.9 / XP-90 / Albatron PX865PE Pro V2.0 / Kingston Hyper-X 512MB Dual Channel CL2-2-2-5 / Geforce4 MX440x8 64MB / WD80GB 7200RPM 8MB / Thermaltake 420W PSU --> SEE IT ALL GLOW <-- MBM5 - SpeedFan - PSU Calculator - MemTest86 - ThrottleWatch

04-18-2005, 10:57 AM	#4 (permalink)
MD_Willington Join Date: Jan 2005 Location: WA State & BC Posts: 587 OS: XP	What mainboard, some mainboards have fan throttling in the bios... MD __________________ Mainboard: PCC M848ALU / ECS L7S7A2 / ECS 748-A, HDD: Western Digital 40Gb, RAM: 2-256Mb DDR266 by Micron 4x AGP Card: 3DForce4-MX440, CDRW: Liteon 52x32x52, PSU: Antec True430, CPU: XP2200+ (AXDA2200DUV3C) *It's OK to be ignorant; it's not OK to play stupid.* *Never assume you are entitled to an answer. You are not.*

04-18-2005, 04:05 PM	#6 (permalink)
MD_Willington Join Date: Jan 2005 Location: WA State & BC Posts: 587 OS: XP	Whats the true capacity of your power supply? What I mean by that is not whats written on the side like "400W" I mean what are the amperage (A) specs for each voltage on the side of the power supply for: 3.3V = ?A +5V =?A +12V =?A +5VSB =?A Quite a few people have had problems with those boards latelly...Asrock quality has gone down hill somewhat. MD __________________ Mainboard: PCC M848ALU / ECS L7S7A2 / ECS 748-A, HDD: Western Digital 40Gb, RAM: 2-256Mb DDR266 by Micron 4x AGP Card: 3DForce4-MX440, CDRW: Liteon 52x32x52, PSU: Antec True430, CPU: XP2200+ (AXDA2200DUV3C) *It's OK to be ignorant; it's not OK to play stupid.* *Never assume you are entitled to an answer. You are not.*

04-19-2005, 10:28 AM	#8 (permalink)
MD_Willington Join Date: Jan 2005 Location: WA State & BC Posts: 587 OS: XP	These are the minimum recommended in the AMD desktop builders guide circa 2002 for a certifed 300W power supply for a Socket 462 system. +3.3V = 28A +5.0V = 30A +12.0V = 15A-18A +5VSB = 2A-2.5A Your capacity on your 12V line is too low even for a socket A system let alone a K8 based system. You may be able to just squeeze by with a very simple minimal build, but don't count on adding any drives to it. MD __________________ Mainboard: PCC M848ALU / ECS L7S7A2 / ECS 748-A, HDD: Western Digital 40Gb, RAM: 2-256Mb DDR266 by Micron 4x AGP Card: 3DForce4-MX440, CDRW: Liteon 52x32x52, PSU: Antec True430, CPU: XP2200+ (AXDA2200DUV3C) *It's OK to be ignorant; it's not OK to play stupid.* *Never assume you are entitled to an answer. You are not.*

04-18-2005, 09:57 AM	#3 (permalink)
waffleweed Join Date: Mar 2005 Posts: 629 OS: winxp	probably the fan is damage and they die after a while. you can try getting another fan and put it on top of your heatsink.

04-18-2005, 02:17 PM	#5 (permalink)
matt_the_punk Registered User Join Date: Apr 2005 Posts: 24 OS: XP	Thanks for the replys... My spec is as follows.. My pc is pretty much brand new too, so i doubt they have worn out, just put together badly. AsRock K8upgrade 754. AMD 64 3000 512MB Ram 80GB HDD cheers.

04-18-2005, 04:55 PM	#7 (permalink)
matt_the_punk Registered User Join Date: Apr 2005 Posts: 24 OS: XP	350W power supply 3.3V= 20A +5V= 30A +12V= 13A +5VSB= 2.0A i have managed to get the case fan working, by plugging it into another output(socket) from the PSU.