Question about Sapphire 100297L RADEON HD 5830, (1 GB) 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support ... Video Card

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I lose video and the card seems to load down the 750W power supply; i.e., cooling fan goes into high-speed mode.

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I would say that there may be a short that has made the card go bad and if it is still under warrenty then I would call and get an RMA

Posted on Jan 11, 2011

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Posted on Jan 02, 2017

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My 07 Saturn Relay shows ac off for engine protection but the gauge shows cold. The hoses feel normal. What is happening?


A/C Off For Engine Protection
Refer to Cooling System Description and Operation

DTC P1258: Engine Coolant Overtemperature - Protection Mode Active.
This is something you need to take to a qualified repair shop .
The engine cooling fan system consists of 2 electrical cooling fans and 3 fan relays. The relays are arranged in a series/parallel configuration that allows the powertrain control module (PCM) or engine control module (ECM) to operate both fans together at low or high speeds. The cooling fans and fan relays receive battery positive voltage from the underhood junction block. The ground path is provided at G100.
During low speed operation, the PCM/ECM supplies the ground path for the low speed fan relay through the low speed cooling fan relay control circuit. This energizes the cooling fan 1 relay coil, closes the relay contacts, and supplies battery positive voltage from the cool fan 1 maxifuse® through the cooling fan motor supply voltage circuit to the left cooling fan. The ground path for the left cooling fan is through the cooling fan relay and the right cooling fan. The result is a series circuit with both fans running at low speed.
During high speed operation, the PCM/ECM supplies the ground path for the cooling fan 1 relay through the low speed cooling fan relay control circuit. After a 3 second delay, the PCM/ECM supplies a ground path for the cooling fan 2 relay and the cooling fan relay through the high speed cooling fan relay control circuit. This energizes the cooling fan relay coil, closes the relay contacts, and provides a ground path for the left cooling fan. At the same time the cooling fan 2 relay coil is energized closing the relay contacts and provides battery positive voltage from the cool fan 2 maxifuse® on the cooling fan motor supply voltage circuit to the right cooling fan. During high speed fan operation, both engine cooling fans have there own ground path. The result is a parallel circuit with both fans running at high speed.

Nov 20, 2016 | 2007 Saturn Relay

1 Answer

Fan is not working on 2001 Chevy Silverado 2500 truck radiator fan motor?


The engine cooling fan system consists of 2 electrical cooling fans and 3 fan relays. The relays are arranged in a series/parallel configuration that allows the powertrain control module (PCM) to operate both fans together at low or high speeds. The cooling fans and fan relays receive battery positive voltage from the underhood fuse block.
During low speed operation, the PCM supplies the ground path for the low speed fan relay through the low speed cooling fan relay control circuit. This energizes the low speed fan relay coil, closes the relay contacts, and supplies battery positive voltage from the low fan fuse through the cooling fan motor supply voltage circuit to the left cooling fan. The ground path for the left cooling fan is through the cooling fan s/p relay and the right cooling fan. The result is a series circuit with both fans running at low speed.
During high speed operation the PCM supplies the ground path for the low speed fan relay through the low speed cooling fan relay control circuit. After a 3 second delay, the PCM supplies a ground path for the high speed fan relay and the cooling fan s/p relay through the high speed cooling fan relay control circuit. This energizes the cooling fan s/p relay coil, closes the relay contacts, and provides a ground path for the left cooling fan. At the same time the high speed fan relay coil is energized closing the relay contacts and provides battery positive voltage from the high fan fuse on the cooling fan motor supply voltage circuit to the right cooling fan. During high speed fan operation, both engine cooling fans have there own ground path. The result is a parallel circuit with both fans running at high speed.
Your best bet would be to take your vehicle to a qualified repair shop !
Relay Driven Dual Cooling Fan Diagnostics

Aug 19, 2016 | 2001 Chevrolet Silverado 2500

2 Answers

2004 Venture Chevrolet minivan cooling fan circut


Are you talking about the radiator fan? How hot does the engine get in degrees F? Some makes and models, the radiator fan won't turn on till about 220 degrees F. Check for applicable trouble codes, see if any code that refers to the radiator fan circuit or coolant temp sensor? Some of the national brand auto stores will check codes for free.

Of course, as far as overheating in general, you have the thermostat--water pump and other possible issues. Are you losing coolant?

Dec 14, 2014 | Chevrolet Cars & Trucks

1 Answer

Fan motor is slowing down and not keeping the desired temperature


The circuit diagram for the standard control model shows the blower has a two-speed motor, connected directly to the power line in "Cool" mode, or connected to the temperature control in "Cook" mode. When the blower slows down during cooking, switch it temporarily to "Cool" mode. If it goes to normal speed, the problem is with the mode switch contacts or the wiring terminals between the fan mode switch and the temperature control board, or the control board itself.

If the speed does not change, check the wiring terminals at the speed switch common terminal (I assume your problem occurs in both low and high speeds). If you find tarnished, loose, or burned terminals, clean, repair or replace as needed. (In extreme cases, a loose terminal will cause the wire to overheat, damaging the insulation, oxidizing the terminal and causing a high-resistance condition that will reduce the voltage available to the motor.) If the connections are all good, the motor bearings are probably getting sticky at high temperatures. Let the oven get hot enough for the blower to slow down, then shut it off and check the blower bearings while wearing oven mitts.

May 12, 2014 | Southbend SLGS-22SC Gas Double Oven

1 Answer

Power Supply Dry Run Problem


You need to have the case's power switch plugged into the jumper pin header of the motherboard. Plug in the PSU into the 120 volt mains, enable the PSU via the switch (the one you turned on in the video) and then press the power switch on the computer CASE.
That should do it!

May 29, 2013 | Computers & Internet

2 Answers

Power supply is good, fans running - no display on


make sure to check the video cable (DVI,VGA,HDMI) if properly connected

if youre using an independent video card and your motherboard has a builtin try to use the integrated to check if the video card is faulty

if you dont have a video card and using the integrated the motherboard might be faulty

:)

Jul 20, 2010 | Asrock P4I45GV R5 Motherboard

1 Answer

XPS 430 Vista 64..new power-corsair 750w w/4 6pin


I'm afraid your video card may be faulty.
I myself have an ATI and Corsair build. Installed without a hitch.
You'll need to replace the card. Good thing it is new.
If you haven't, buy some fans for your system as well and install them on your casing. That card runs hot. I have 5x120mm fans in my desktop and it keeps my system nice and cool when I run Crysis or Fallout 3.
But yeah, don't try and fiddle with that card anymore. Put it back in the box and replace it.

Please rate if this was helpful, or comment if you'd like further assistance. Have a good week!

Jul 14, 2009 | Dell ATI Radeon, (32 MB) Graphic Card

1 Answer

Multi speed fan on Gateway too loud..


You may have more than one fan.
The fan in the power supply may not be replaced, but you can replace the switch mode power supply with a newer model that has a larger fan that is very quite.
The same goes for the second fan (if you have one) that is inside the case.
Most computer suppliers have better designed and quiter fans.

May 18, 2009 | Gateway Computers & Internet

1 Answer

Fans run at full speed under normal task.


THE PROBLEM IS THAT THE CPU AND MB AND PSU IS NOT COOLING OFF ENOUGH AND CAUSING THE FAN TO RUN ON HIGH ALL THE TIME, THE PSU MAY NOT HAVE ENOUGH WATTS POWER TO RUN THE CONFIGURATION TO KEEP THE SYSTEM AND HARDWARE TO COOL.

I READ IT IN ONE OF MY PC MAGAZINE, ANOTHER PERSON UPRADED SYSTEM, ADDED SOME OTHER STUFF BUT THE MB AND POWER SUPPLY UNIT DIDNT HAVE ENOUGH WATTS TO SUPPORT BASIC REQUIREMENTS OPERATING THE SYSTEM BASIC NEEDS.
FIND SOFTWARE THAT KEEPS EYE ON HEAT ISSUES, MB, VIDEO CARD, RAM, PS, CPU, CPU COOLERS, NIC CARDS, SOUND CARDS,
ETC.
EACH PART REQUIRES SO MUCH POWER
AND HERE HOW IT BRAKE DOWN FOR EACH COMPONET

MB 20-35+ WATTS
CD ROM 20-25 WATTS
DVD 30-45 WATTS
DISK DRIVE 5 WATTS
HD 5-15 WATTS
STANDARD VIDEO VARD 5-15 WATTS
MEMORY 5 WATTS PER MB

NEW SYSTEMS WITH THE FOLLOWING STUFF IN IT FLOPPY DRIVE,CD-ROM, MB, 16MB RAM, REQUIRES A MIN. 150 WATTS OF POWER.

BUT I KNOW YOU MAY HAVE TOP OF THE LINE VIDEO CARD WITH GGR4 WITH 512MB
MEMORY, 2-8 GIG OF RAM, 23 INCH LCD MONITOR, 2 500GB HD, BLUETOOTH AND WIRELESS NETORK, AND WIFI CAPABILITIES,
NEW DUAL CORE CPU TOP LINE MOTHERBOARD, COOLED VIDEO CARD,RAM COOLER ALSO AND THIS SYSTEM POWER WATTAGE REQUIREMENTS MAYBE SOME WHERE AROUND 400-600 WATT, AND MOST OF THAT IS FOR THE SYSTEM RAM AND THE VIDEO RAM YOU ARE RUNNING
REMEMBER 5 WATTS PER 1 MEGABYTE OF
RAM
IT WILL ADD UP FAST BOY'S AND GAL'S

ROD

PS I HOPE I DIDNT BORE ANYONE,
IT MAY SAVE YOUR SYSTEM FROM BURNING UP.

Mar 14, 2009 | HP Pavilion A730N (PJ510AA) PC Desktop

1 Answer

Core fan Abnormal - Fan Speed 0 rpm - System slowdown


Well, since you connected your fan directly to the power supply, you are not getting any feedback thru the graphics card interface. This doesn't mean there is a problem since your fan is running full speed all the time, it is actually better and you should be able to see a difference on the GPU temperature.
If the GPU temperature is still too high and the fan is running at full speed, did you apply a thin coat of thermal paste on the heatsink? if not, there is your problem.

Now just to be clear did you connect the fan to the power supply or to a spare motherboard connector. If you connected to your motherboard, you need to go in the BIOS and change some settings regarding the fan speed (let me know if this is the case and I'll help you further about that.)

Alex J.

Feb 20, 2008 | Abit RX600PRO-GURU RADEON X600 PRO GURU,...

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