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Cooling Heatsink

SAME DAY SHIP USA HP COMPAQ CPU Cooling Fan Heatsink 339971 001 339971
SAME DAY SHIP USA HP COMPAQ CPU Cooling Fan  Heatsink 339971 001 339971 $14.50
Time Remaining: 30m
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Dell Latitude D520 Intel OEM CPU Heatsink GH553 And Cooling Fan HG477
Dell Latitude D520 Intel OEM CPU Heatsink GH553 And Cooling Fan HG477 $8.99
Time Remaining: 34m
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Sony Vaio VGN FS630 W Cooling Heatsink 050622da
Sony Vaio VGN FS630 W Cooling Heatsink 050622da $3.40
Time Remaining: 38m
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Toshiba Portege M400 CPU Cooling Heatsink
Toshiba Portege M400 CPU Cooling Heatsink $10.25
Time Remaining: 38m
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DC 12V 4500RPM 2 Pin Computer CPU Heatsink Cooling Fan Cooler
DC 12V 4500RPM 2 Pin Computer CPU Heatsink Cooling Fan Cooler $8.21
Time Remaining: 39m

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Heat Dissipation 21 x 15 x 10mm Heatsink Cooling Fin
Heat Dissipation 21 x 15 x 10mm Heatsink Cooling Fin $3.44
Time Remaining: 51m

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New Dell CPU Cooling Fan And Heatsink for XPS Series M1530 XR216 344W10700
New Dell CPU Cooling Fan And Heatsink for XPS Series M1530 XR216 344W10700 $33.00
Time Remaining: 58m
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VGA Video Card Heatsinks Cooler Cooling Fan for PC
VGA Video Card Heatsinks Cooler Cooling Fan for PC $6.52
Time Remaining: 1h 1m

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Repair Part Cooling Fan CPU Cooler Heatsink for AMD 775
Repair Part Cooling Fan CPU Cooler Heatsink for AMD 775 $15.35
Time Remaining: 1h 2m

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Dell Studio 1737 Laptop CPU Cooling Fan Heatsink R505D ZB509PHV1 6A
Dell Studio 1737 Laptop CPU Cooling Fan  Heatsink R505D ZB509PHV1 6A $11.99
Time Remaining: 1h 13m
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Blue Blade DC 12V CPU Heatsink Cooling Fan for Desktop
Blue Blade DC 12V CPU Heatsink Cooling Fan for Desktop $12.86
Time Remaining: 1h 14m

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IBM THINKPAD 600X CPU COOLING FAN HEATSINK 08K5909
IBM THINKPAD 600X CPU COOLING FAN HEATSINK 08K5909 $9.98
Time Remaining: 1h 17m
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IBM Lenovo T60 T60p Heat Sink Cooling Fan Assembly TESTED
IBM Lenovo T60 T60p Heat Sink  Cooling Fan Assembly TESTED $14.99
Time Remaining: 1h 33m
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3 Connector DC 12V Blue Blade CPU Cooling Fan Heatsink
3 Connector DC 12V Blue Blade CPU Cooling Fan Heatsink $10.10
Time Remaining: 1h 49m

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17 HP dv8000 Cooling Fan and Heatsink SPS 403827 001 1010 0
17 HP dv8000 Cooling Fan and Heatsink SPS 403827 001 1010 0 $9.95
Time Remaining: 1h 49m
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GateWay TA1 HeatSink with Cooling Fan 3CTA1TATAO73A
GateWay TA1 HeatSink with Cooling Fan 3CTA1TATAO73A $2.19
Time Remaining: 1h 51m
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Thermaltake Clp0564 Cooling Fan heatsink 2 X 120 Mm 2500 Rpm
Thermaltake Clp0564 Cooling Fan heatsink 2 X 120 Mm 2500 Rpm $58.07
Time Remaining: 1h 51m
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DELL INSPIRON 1501 CPU COOLING HEATSINK UW523
DELL INSPIRON 1501 CPU COOLING HEATSINK UW523 $5.99
Time Remaining: 1h 52m
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4 Pin Cooling Fan CPU Heatsink Cooler for PC Computer
4 Pin Cooling Fan CPU Heatsink Cooler for PC Computer $14.00
Time Remaining: 1h 57m
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Compaq Presario Laptop PP2140 CPU cooling Fan and heatsink combo
Compaq Presario Laptop PP2140 CPU cooling Fan and heatsink combo $8.95
Time Remaining: 2h 1m
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Cooling Fan Video Card Interface Card Heatsink Cooler
Cooling Fan Video Card Interface Card Heatsink Cooler $5.38
Time Remaining: 2h 1m

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Apple Powerbook G5 15 CPU Fan Cooling 15Ghz Heatsink
Apple Powerbook G5 15 CPU Fan Cooling 15Ghz Heatsink $5.20
Time Remaining: 2h 2m
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ACER ASPIRE ONE KAV60 CPU Cooling Fan and Heatsink
ACER ASPIRE ONE KAV60 CPU Cooling Fan and Heatsink $8.99
Time Remaining: 2h 2m
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HP Pavilion DV4 CPU Cooling Heatsink 575284 001 AT03Y0030V0
HP Pavilion DV4 CPU Cooling Heatsink 575284 001 AT03Y0030V0 $4.00
Time Remaining: 2h 5m
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Dell Latitude D410 CPU Cooling Heatsink BA62 00345A
Dell Latitude D410 CPU Cooling Heatsink BA62 00345A $1.99
Time Remaining: 2h 11m
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Dell Inspiron 5150 Heat Sink Cooling Fan 0W0978
Dell Inspiron 5150 Heat Sink  Cooling Fan 0W0978 $9.95
Time Remaining: 2h 13m
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Sony FS530 FS540 Cooling Fan HeatSink UDQF2PH21CF0
Sony FS530 FS540 Cooling Fan HeatSink UDQF2PH21CF0 $3.01
Time Remaining: 2h 15m
Buy It Now for only: $3.01
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PC Computer VGA Video Card Cooler Cooling Fan Heatsink
PC Computer VGA Video Card Cooler Cooling Fan Heatsink $8.87
Time Remaining: 2h 15m

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INTEL HEATSINK WITH COOLING FAN ASSEMBLY E30325 002
INTEL HEATSINK WITH COOLING FAN ASSEMBLY E30325 002 $15.50
Time Remaining: 2h 15m
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INTEL SOCKET 775 CPU HEATSINK COOLING FAN PN D60188
INTEL SOCKET 775 CPU HEATSINK COOLING FAN PN  D60188 $5.99
Time Remaining: 2h 20m

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SONY VAIO PCG V505ECP PCG 6B1L CPU COOLING HEATSINK
SONY VAIO PCG V505ECP PCG 6B1L CPU COOLING HEATSINK $9.99
Time Remaining: 2h 24m
Buy It Now for only: $9.99
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Micron MPC T1300e T1300 CPU Cooling Heatsink Fan UDQF2ZH4CFAS 13GNG51AM041 1
Micron MPC T1300e T1300 CPU Cooling Heatsink Fan UDQF2ZH4CFAS 13GNG51AM041 1 $15.89
Time Remaining: 2h 27m
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Sony VGN FS FS740 W Laptop CPU Cooling Fan with HeatSink UDQF2PH21CF0
Sony VGN FS FS740 W Laptop CPU Cooling Fan with HeatSink UDQF2PH21CF0 $2.65
Time Remaining: 2h 35m
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HP Pavilion ze2000 Cooling Fan + Heatsink 3ICT8TATP08
HP Pavilion ze2000 Cooling Fan + Heatsink 3ICT8TATP08 $3.68
Time Remaining: 2h 40m
Buy It Now for only: $3.68
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Memory Cooling Heat Spreader Heatsink Aluminum Fuchsia
Memory Cooling Heat Spreader Heatsink Aluminum Fuchsia $4.36
Time Remaining: 2h 42m

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DELL INSPIRON 9100 CHIP HEATSINK INTERNAL COOLING FAN DC280005500 Y0421 Y0406
DELL INSPIRON 9100 CHIP HEATSINK INTERNAL COOLING FAN DC280005500 Y0421 Y0406 $3.90
Time Remaining: 2h 46m
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engine head cooling heat sink
engine head cooling heat sink $7.00
Time Remaining: 2h 52m
Buy It Now for only: $8.00
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DDR DDR2 RAM Memory Heat Spreader Cooling HeatSink New
DDR DDR2 RAM Memory Heat Spreader Cooling HeatSink New $4.72
Time Remaining: 2h 53m

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CPU Heatsink Cooler Cooling Fan for Intel LGA 775 1156
CPU Heatsink Cooler Cooling Fan for Intel LGA 775 1156 $1.89
Time Remaining: 2h 54m
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Aluminium 25 x 23 x 16mm Heat Dissipation Cooling Fin
Aluminium 25 x 23 x 16mm Heat Dissipation Cooling Fin $3.41
Time Remaining: 2h 54m

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Aluminium Heat Diffusion Cooling Fin 23 x 22 x 9mm
Aluminium Heat Diffusion Cooling Fin 23 x 22 x 9mm $3.42
Time Remaining: 3h

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Black 11 Plastic Blade DC 12V VGA Video Card Cooling Fan Heatsink
Black 11 Plastic Blade DC 12V VGA Video Card Cooling Fan Heatsink $7.70
Time Remaining: 3h 1m

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PC VGA Video Card Heatsinks Cooler Cooling Fan 53mm New
PC VGA Video Card Heatsinks Cooler Cooling Fan 53mm New $1.00
Time Remaining: 3h 2m
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Dell Inspiron 1121 11z Heatsink Cooling Fan XDF66
Dell Inspiron 1121 11z Heatsink Cooling Fan XDF66 $16.09
Time Remaining: 3h 3m
Buy It Now for only: $16.09
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Sony Vaio VGN AX570G CPU Cooling Heatsink 2lrj5han001
Sony Vaio VGN AX570G CPU Cooling Heatsink 2lrj5han001 $19.95
Time Remaining: 3h 5m
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Corsair A50 Cooling Fan Heatsink LGA775 1366 1156AM2 3 2000 rpm 120mm 61 CFM
Corsair A50 Cooling Fan Heatsink LGA775 1366 1156AM2 3 2000 rpm 120mm 61 CFM $31.46
Time Remaining: 3h 9m
Buy It Now for only: $35.39
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HP ProBook 4525s CPU Cooling Fan + Heatsink 598676 001
HP ProBook 4525s CPU Cooling Fan + Heatsink 598676 001 $59.99
Time Remaining: 3h 9m
Buy It Now for only: $59.99
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HP Pavilion zd8000 Cooling Fan Heatsink 380030 001
HP Pavilion zd8000 Cooling Fan Heatsink 380030 001 $16.99
Time Remaining: 3h 10m
Buy It Now for only: $16.99
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Apple Macbook A1181 133 Original CPU Cooling Fan 3 Wall with Heatsink GLP
Apple Macbook A1181 133 Original CPU Cooling Fan 3 Wall with Heatsink GLP $5.00
Time Remaining: 3h 12m
Buy It Now for only: $5.00
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Zalman CNPS9500A LED CPU Cooler Cooling Fan Heatsink 92mm 2600rpm 1 x Dual Ball
Zalman CNPS9500A LED CPU Cooler Cooling Fan Heatsink 92mm 2600rpm 1 x Dual Ball $52.10
Time Remaining: 3h 13m
Buy It Now for only: $58.00
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Dell XPS 154 M1530 Intel CPU Cooling Fan GC55515VH A w Heatsink XR216 GLP
Dell XPS 154 M1530 Intel CPU Cooling Fan GC55515VH A w Heatsink XR216 GLP $10.00
Time Remaining: 3h 16m
Buy It Now for only: $10.00
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Gateway 154 MA7 Genuine CPU Cooling Fan with Heatsink 36MA6TA0002 GLP
Gateway 154 MA7 Genuine CPU Cooling Fan with Heatsink 36MA6TA0002 GLP $9.00
Time Remaining: 3h 18m
Buy It Now for only: $9.00
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CoolerMaster DP5 5G51A Cooling Fan Heatsink 370pins NEW
CoolerMaster DP5 5G51A Cooling Fan Heatsink 370pins NEW $7.00
Time Remaining: 3h 19m
Buy It Now for only: $7.00
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HP Pavilion dv4 1000 Genuine AMD CPU Cooling Heatsink 492260 001 GLP
HP Pavilion dv4 1000 Genuine AMD CPU Cooling Heatsink 492260 001 GLP $9.00
Time Remaining: 3h 20m
Buy It Now for only: $9.00
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Lenovo 154 Y510 Original CPU Cooling Heatsink Assembly 13GNE31AM060 1 GLP
Lenovo 154 Y510 Original CPU Cooling Heatsink Assembly 13GNE31AM060 1 GLP $6.99
Time Remaining: 3h 21m
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Lenovo 17 Y710 Original Intel CPU Cooling Heatsink 344X01300174919933KS00 GLP
Lenovo 17 Y710 Original Intel CPU Cooling Heatsink 344X01300174919933KS00 GLP $16.00
Time Remaining: 3h 21m
Buy It Now for only: $16.00
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Asus G2S 171 CPU Cooling Fan + Heatsink BFB0705HA TESTED
Asus G2S 171 CPU Cooling Fan + Heatsink BFB0705HA TESTED $23.74
Time Remaining: 3h 22m
Buy It Now for only: $23.74
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Lenovo Thinkpad 15 T500 Genuine CPU Cooling Fan with Heatsink FRU 42X5115 GLP
Lenovo Thinkpad 15 T500 Genuine CPU Cooling Fan with Heatsink FRU 42X5115 GLP $29.00
Time Remaining: 3h 23m
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Asus G51V 156 CPU Cooling Fan + Heatsink 13N0 E0A0601 TESTED
Asus G51V 156 CPU Cooling Fan + Heatsink 13N0 E0A0601 TESTED $37.99
Time Remaining: 3h 23m
Buy It Now for only: $37.99
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Gateway M305CRV CPU Cooling Fan with heatsink 8006485
Gateway M305CRV CPU Cooling Fan with heatsink 8006485 $12.49
Time Remaining: 3h 26m
Buy It Now for only: $12.49
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Sony FZ Series 154 FZ180E Genuine CPU Cooling Fan Heatsink NBT CPMS90 H1 GLP
Sony FZ Series 154 FZ180E Genuine CPU Cooling Fan Heatsink NBT CPMS90 H1 GLP $16.00
Time Remaining: 3h 26m
Buy It Now for only: $16.00
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Sony Vaio 17 AR AR320E CPU Cooling Fan with Heatsink NBT CPMS22 H1 GLP
Sony Vaio 17 AR AR320E CPU Cooling Fan with Heatsink NBT CPMS22 H1 GLP $12.00
Time Remaining: 3h 28m
Buy It Now for only: $12.00
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Sony VAIO NR Series NR160E NR123E NR220E CPU Cooling Fan with Heatsink GLP
Sony VAIO NR Series NR160E NR123E NR220E CPU Cooling Fan with Heatsink GLP $7.00
Time Remaining: 3h 28m
Buy It Now for only: $7.00
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Sony Vaio Y Series 116 YB13KX Genuine Cooling Fan +Heatsink 604KY03001 GLP
Sony Vaio Y Series 116 YB13KX Genuine Cooling Fan +Heatsink 604KY03001 GLP $29.99
Time Remaining: 3h 29m
Buy It Now for only: $29.99
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Sony VGN CR CR120E CR290E Intel CPU Cooling Fan with Heatsink 26GD1CAN010 GLP
Sony VGN CR CR120E CR290E Intel CPU Cooling Fan with Heatsink 26GD1CAN010 GLP $14.00
Time Remaining: 3h 29m
Buy It Now for only: $14.00
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Toshiba Satellite 133 U505 S2970 CPU Cooling Fan + Heatsink H000010050 GLP
Toshiba Satellite 133 U505 S2970 CPU Cooling Fan + Heatsink H000010050 GLP $13.00
Time Remaining: 3h 31m
Buy It Now for only: $13.00
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Toshiba Satellite 156 C655D Genuine AMD CPU Cooling Heatsink V000220370 GLP
Toshiba Satellite 156 C655D Genuine AMD CPU Cooling Heatsink V000220370 GLP $9.00
Time Remaining: 3h 32m
Buy It Now for only: $9.00
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Arctic Cooling Freezer 64 Pro CPU Heatsink
Arctic Cooling Freezer 64 Pro CPU Heatsink $18.00
Time Remaining: 3h 44m
Buy It Now for only: $23.00
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Genuine HP DV2000 V3000 CPU Cooling FanHeatsink 430463 001055413RBS
Genuine HP DV2000 V3000 CPU Cooling FanHeatsink 430463 001055413RBS $9.99
Time Remaining: 3h 46m
Buy It Now for only: $9.99
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Original HP dv1000 Intel CPU Cooling Fan and HeatSink
Original HP dv1000 Intel CPU Cooling Fan and HeatSink $8.54
Time Remaining: 3h 46m
Buy It Now for only: $8.54
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TOSHIBA QOSMIO X505 Q870 HEATSINK W COOLING FAN 3ITZ1TM0IB0
TOSHIBA QOSMIO X505 Q870 HEATSINK W COOLING FAN 3ITZ1TM0IB0 $54.00
Time Remaining: 3h 49m
Buy It Now for only: $54.00
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Cooler Master DK9 7E52A 0L GP Cooling Fan Heatsink 3200RPM AM3 AM2 w 3 PIN TX3
Cooler Master DK9 7E52A 0L GP Cooling Fan Heatsink 3200RPM AM3 AM2 w 3 PIN TX3 $13.26
Time Remaining: 3h 49m
Buy It Now for only: $13.26
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Cooler Master Hyper 212 Plus RR B10 212P G1 Cooling Fan Heatsink 1 x 120 mm
Cooler Master Hyper 212 Plus RR B10 212P G1 Cooling Fan Heatsink 1 x 120 mm $37.13
Time Remaining: 3h 50m
Buy It Now for only: $37.13
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Genuine HP Pavilion DV6000 DV6500 DV6700 AMD Heatsink Cooling Fan 451860 001
Genuine HP Pavilion DV6000 DV6500 DV6700 AMD Heatsink Cooling Fan 451860 001 $0.99 (1 Bid)
Time Remaining: 4h 5m

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DC 12V 3 Pin Heatsink CPU Cooling Fan for PC Computer
DC 12V 3 Pin Heatsink CPU Cooling Fan for PC Computer $12.45
Time Remaining: 4h 14m

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HP COMPAQ NX9110 CPU COOLING HEATSINK 350776 001
HP COMPAQ NX9110 CPU COOLING HEATSINK 350776 001 $5.35
Time Remaining: 4h 15m
Buy It Now for only: $5.35
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23 x 22 x 9mm Heat Radiating Aluminium Cooling Fin
23 x 22 x 9mm Heat Radiating Aluminium Cooling Fin $6.14
Time Remaining: 4h 21m

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HP ZE4200 CPU Cooling Fan and HeatSink CF0550 B10M C016
HP ZE4200 CPU Cooling Fan and HeatSink CF0550 B10M C016 $3.10
Time Remaining: 4h 28m
Buy It Now for only: $3.10
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New Dell XPS M1330 CPU Heatsink With Cooling Fan MM911
New Dell XPS M1330 CPU Heatsink With Cooling Fan MM911 $34.00
Time Remaining: 4h 36m
Buy It Now for only: $34.00
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TOSHIBA TECRA M2 S730 CPU COOLING HEATSINK + BRACKET
TOSHIBA TECRA M2 S730 CPU COOLING HEATSINK + BRACKET $4.88
Time Remaining: 4h 37m
Buy It Now for only: $4.88
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NEW Aluminum VGA Video Card Cooler Cooling Fan Heatsink f PC NVIDIA ATI GeForce
NEW Aluminum VGA Video Card Cooler Cooling Fan Heatsink f PC NVIDIA ATI GeForce $0.99
Time Remaining: 4h 37m

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Computer 35 HDD 4 Pin Heatsinks Cooler Cooling Fan
Computer 35 HDD 4 Pin Heatsinks Cooler Cooling Fan $7.43
Time Remaining: 4h 39m
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Dell MM911 CPU Heatsink for XPS M1330 With Cooling Fan NEW
Dell MM911 CPU Heatsink for XPS M1330 With Cooling Fan NEW $34.00
Time Remaining: 4h 40m
Buy It Now for only: $34.00
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New Silver Memory Heat Spreader Cooler Cooling Heatsinks
New Silver Memory Heat Spreader Cooler Cooling Heatsinks $0.06 (2 Bids)
Time Remaining: 4h 40m

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2 15 16 PC VGA Video Card Heatsinks Cooling Fan for Computer
2 15 16 PC VGA Video Card Heatsinks Cooling Fan for Computer $5.62
Time Remaining: 4h 42m
Buy It Now for only: $5.62
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Acer Aspire 4520 5458 Cooling Fan and Heatsink
Acer Aspire 4520 5458 Cooling Fan and Heatsink $11.99
Time Remaining: 4h 46m
Buy It Now for only: $11.99
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ASUS K40 Series COOLING FAN HEATSINK 13GNVK1AM020 1
ASUS K40 Series COOLING FAN  HEATSINK 13GNVK1AM020 1 $12.99
Time Remaining: 4h 49m
Buy It Now for only: $12.99
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Acer Aspire TimeLineX 5820T CPU Cooling Fan with Heatsink SOL3CZQ1TATN Tested
Acer Aspire TimeLineX 5820T CPU Cooling Fan with Heatsink SOL3CZQ1TATN Tested $25.00
Time Remaining: 5h 3m
Buy It Now for only: $28.00
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CPU Cooler Heatsink Cooling Fan 12V 3 Pin for Computer
CPU Cooler Heatsink Cooling Fan 12V 3 Pin for Computer $16.61
Time Remaining: 5h 9m

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Computer PC Heatsink DC 12V Blue Blade Cooling Fan New
Computer PC Heatsink DC 12V Blue Blade Cooling Fan New $10.10
Time Remaining: 5h 9m

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50pcsPC CPU Brushless Heatsink Cooling DC 12V FanFAN1
50pcsPC CPU Brushless Heatsink Cooling DC 12V FanFAN1 $118.00
Time Remaining: 5h 13m
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2pcsPC CPU Brushless Heatsink Cooling DC 12V FanFAN1
2pcsPC CPU Brushless Heatsink Cooling DC 12V FanFAN1 $9.99
Time Remaining: 5h 14m
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Aluminium 21 x 15 x 10mm Rectangle Heatsink Cooling Fin
Aluminium 21 x 15 x 10mm Rectangle Heatsink Cooling Fin $2.91
Time Remaining: 5h 16m

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PC CPU Brushless Heatsink Cooling DC 12V FanFAN1
PC CPU Brushless Heatsink Cooling DC 12V FanFAN1 $6.99
Time Remaining: 5h 16m
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Replace f Computer PC VGA Video Card Heatsink Cooler Cooling Fan 75mm 12V 2 Pin
Replace f Computer PC VGA Video Card Heatsink Cooler Cooling Fan 75mm 12V 2 Pin $0.99 (1 Bid)
Time Remaining: 5h 16m

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Heat Spreader Cooling HeatSink for DDR DDR2 Memory
Heat Spreader Cooling HeatSink for DDR DDR2 Memory $9.18
Time Remaining: 5h 17m

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Copper Red Metal Heatsink Heat Diffusion Cooling Fin
Copper Red Metal Heatsink Heat Diffusion Cooling Fin $10.85
Time Remaining: 5h 19m

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Sony Vaio VPC F PCG 81214L Cooling Fan + Heatsink 300 0001 1263 A UDQFRRH01DF0
Sony Vaio VPC F PCG 81214L Cooling Fan + Heatsink 300 0001 1263 A UDQFRRH01DF0 $44.95
Time Remaining: 5h 20m
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Is it possible to cool your cpu to below the room temperature with only nice fans and a heatsink?

My cpu idles at room temp, 25c and I was wondering if a better heatsink/fan combo would cool it even more.
Awesome thanks guys!
well the thing is, I am trying to figure out if I even need an aftermarket fan/heatsink to overclock my quad core. 25c is sooo low so i might not even need anything

no not really not with just fans and heatsink

Electronic Intermittent Problem - The Easy Way To Repair It

Troubleshooting and repairing electronic solid problems like no power, no display, color out and etc could be very straightforward if you know the right way to do it. For example, a replacement of fuse restored the equipment back to life. It’s easy and very direct but there are problems in the electronic circuits that can silently “steal” away your precious time if you do not know how to efficiently tackle the problems. The problem that I’m referring to is the “intermittent problems”.

The word “intermittent” according to dictionary dot com means “alternately functioning and not functioning or alternately functioning properly and improperly”. Take Monitor for instance, the red color may go off and comes back by itself or when you gently knock on the Monitor casing or cover. That’s right, any electronic components and circuits may or may not have the tendency to go intermittent and it all depends on the circuit designs, quality of components, environment and other factors. In some tough dog (difficult to repair) cases, a Monitor can work well for 8 hours and then suddenly just go off. When you switch the Monitor off and then switch it “On”, the Monitor will again work for couples of hours before shutting it down. If you do not know the right and absolute way to solve this “intermittent problem”, troubleshooting time will be lost and at the end you still could not locate the fault. Sometimes it is very frustrated too to locate intermittent problem because you just do not know where to begin.

Whenever you tap on the board (in all directions) with the handle of the screw driver, the display stop waving! In other words, no matter where you tap the board, the display shows some response. You may ask yourself these questions “should I check the primary side or the secondary side?” “Should I resolder the whole board (will take you lots of hours)?” “Should I replace all the suspected components in a particular circuit?” and the questions can go on and on. The answers to your questions are it depends on how the problems surface. In this article, I’m going to reveal all the possible ways that can cause intermittent problem and how to solve it.

The most obvious intermittent problem is when you hit the board with the handle of screw driver; there will be effect on the equipment. Take Monitor as an example, if you noticed that the display color flashes on and off, the first thing you do is to head to the CRT board section. Gently tap the CRT board with the handle of the screw driver; you could see that the display now will come back to normal. This is an absolute problem on a specific location (CRT board only) where you can easily detect and solve it by resoldering the joints (apply fresh solder to joints), reinsert the CRT board socket to the PC tube and reseat (unplugging and plugging several times) the VGA color signal cable.

Next is the thermal intermittent problem, where a component works okay when it is cool and problem arises when in the high temperature. In order to detect such problem, we need to use a little heat so that the problem can surface faster without you wasting hours to wait for it to happen. By placing a 100 watt bulb near the board of the equipment, the circuits will become quite warm after a few minutes. You may also use a hair dryer to point or focus on the circuit board. Be careful not to overheat the circuits as some plastic materials can be easily damaged or melt. Once the problem appears when it is hot, now is the time you use a can of freezer or spray cooler to rapidly cool the circuit components. A spray tube is included to control the application closely. Thus it is easy to confine the spray to one component at a time. Usually the circuit freezer temperature is about minus 40 Celsius. Once the faulty or intermittent component sprayed by the cold temperature, it will begin to work properly and the problem will immediately disappear. Most of the time using this method can help you to locate the bad components right to the spot.

A loose contact inside relays also may develop intermittent problem. Just tap on the relay when the equipment is working to see if there are any changes. Be careful when you are tapping the relay as the power is on. Replace with a new relay if you suspect it is the cause of the intermittent problem. Do you know that some technicians cut open the relay to service the internal contact with sand paper? You may try that method if you wish to.

Certain intermittent problems were not due to faulty components; in fact it was the board itself and the soldering or designs that causes the problems. Take a look at the bottom photos where you could clearly see that a component’s lead is touching on the other track, a component’s lead is touching on the other lead and some hairline cracked in the circuit track cause by a fall or some severe vibration! The hairline cracked can be easily seen by using a lighted magnifying glass.

Some boards have small presets and variable resistors (VR) on it thus it may be necessary to service those components after few years the equipment in service. The wiper inside the variable resistors can accumulate dust and causing intermittent in controlling the sound, display and etc. Just use a can of Philips oil base spray and spray into the variable resistors and it will work as good as new. However, after servicing the variable resistor and there is no improvement, then it’s the time to replace with a new VR. Please do not use a video head cleaner to service a VR as it will dry up fast and the intermittent may rise again.

Another component that you need to watch is the microswitch button. It may check good testing with a multimeter but breakdown when the equipment is running. Isolate all possibilities in order to successfully repair an intermittent problem. If possible just direct replace the switch and who knows the intermittent problem can be fixed!

Many technicians do not know that besides tackling the intermittent problem from behind the board, one must also be sensitive that many intermittent problems can be solved by removing the whole board because you could clearly see all area and all possible causes that made up the intermittent problems. Diode lead shorted to resistor lead, capacitors shorted with each others, resistor body touching the heatsink, resistor shorted to capacitor body, decayed glue in many parts of the circuit (you need to remove it), fading resistors color bands and many more. Carefully study the photos below and begin to absorb all the information that can help you to locate an intermittent problem fast.

There was one case where the Monitor was switch “on”, it has intermittent shutdown problem. I really spent lots of time trying to tackle the faults from behind the board. Flyback transformer replaced, PC tube changed, voltage testing on all circuits to be okay, but somehow I just could not locate the cause of the problem. This is where you can see the real frustration face of Jestine Yong if you are beside me. To cut long story short, I removed the board and begin to see from “in front”. Yet no obvious signs of problem can be detected. Since the board already had been removed, I just try opening up the HOT, to my surprised the back of HOT have a slight burnt mark on it. It causes a slight spark to the heatsink and shutting down the Monitor intermittently. The good news was that there were many similar cases happened to this model of Monitor. It just took me a couple of minutes to solve it. Who knows this problem could be happen in TV and others electronic equipment too. Not only that, the experienced that I learned from this case had help me to narrow down any possible cause especially dealing with transistors that attached to heatsink.

Before I jump to the conclusion, I have a question for you. Click on this photo, and try to find out what’s the problem with this Monitor board. What did you see from the photo? You can email me the answer or just wait for my answer on my next coming newsletter.

Intermittent problems can be tough to work on if you do not know the necessary steps to tackle it. Use every information in this article to localize the problem because it is far easier to check and test a few things than to check every joint, contact, and component in the equipment. Have a great hunt my friend!

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