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Old 3 Weeks Ago   #1 (permalink)
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Default cpu fan speeds up in sleep/hibernate mode?

for some reason, my CPU fan is running semi-loud when the pc is in sleep/hibernate mode. as soon as i hit a key/move mouse to start it up, it emediately slows back down to near-silent speeds while idling at desktop.

why is it running at above-idle speeds when everything is pretty much 'off'?
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System: Monolothic
CPU
Phenom II X2 550 | 3.1Ghz
Motherboard
Biostar TA790GXB A2+
Memory
2x2GB Kingston HyperX 1066Mhz
Graphics Card
BFG GTS 250 OC 512mb
Hard Drive
Seagate Baracuda 1TB/ 80GB
Sound Card
stock
Power Supply
Antec Basiq 500w
Case
Antec 300
CPU cooling
CM Vortex 752
GPU cooling
stock
OS
XP Home/ 7 Pro
Monitor
Acer X193W 19"
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Old 3 Weeks Ago   #2 (permalink)
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Sleep and Hibernate are two different modes in Vista/7 are you sure it's happening in both.

Hibernate is supposed to be bugged, but Sleep mode is supposed to work fine.

Though, CPU fan speed is controlled by your BIOS, so look into your BOIS and see if you have any settings you can change to have your fanspeed on Auto.

System: AM Goodnewss
CPU
Phenom II x4 965BE (300x14) 4.2ghz 1.475v
Motherboard
Gigabyte 790FXT-UD5 (NB @ 2.7Ghz)
Memory
2x2GB DDR3 1600mhz Cas 7 1.75v
Graphics Card
HD2600 Pro
Hard Drive
2 x 500GB F3 (PERC5/i RAID0)
Sound Card
Asus Xonar D2X
Power Supply
Seasonic X-Series 650watt
Case
Custom Wood/Acrylic Bench (5x140mm Yate loon Med)
CPU cooling
Mega Shadow w/ PP Delta AFB1212SH
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Stock
OS
Windows 7 Ultimate 64bit
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2 Dell U2410 (1920x1200) H-IPS Panel
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Old 3 Weeks Ago   #3 (permalink)
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ill have to double check my settings when i get home, im not sure wether it is sleep or hibernate off the top of my head
__________________
System: Monolothic
CPU
Phenom II X2 550 | 3.1Ghz
Motherboard
Biostar TA790GXB A2+
Memory
2x2GB Kingston HyperX 1066Mhz
Graphics Card
BFG GTS 250 OC 512mb
Hard Drive
Seagate Baracuda 1TB/ 80GB
Sound Card
stock
Power Supply
Antec Basiq 500w
Case
Antec 300
CPU cooling
CM Vortex 752
GPU cooling
stock
OS
XP Home/ 7 Pro
Monitor
Acer X193W 19"
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Old 3 Weeks Ago   #4 (permalink)
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it is doing it in sleep mode. the hard drives shut down after 20 minutes, but for whatever reason, the cpu fan seems to be running above idle, but once i wake it, the cpu quiets rigth back down
__________________
System: Monolothic
CPU
Phenom II X2 550 | 3.1Ghz
Motherboard
Biostar TA790GXB A2+
Memory
2x2GB Kingston HyperX 1066Mhz
Graphics Card
BFG GTS 250 OC 512mb
Hard Drive
Seagate Baracuda 1TB/ 80GB
Sound Card
stock
Power Supply
Antec Basiq 500w
Case
Antec 300
CPU cooling
CM Vortex 752
GPU cooling
stock
OS
XP Home/ 7 Pro
Monitor
Acer X193W 19"
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