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Supply Unit

July 16th, 2009

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Why is my computer's Power Supply Unit making excessive noise?

Recently my computer's started making excessive noise. In investigating I found that the noise is coming from the power supply unit. Tilting the computer down horizontally removes the noise. I removed the cover and vacummed the dust out around the unit but it did not help. Any idea what is causing the noise and what can be done without having to replace the power supply unit?

should have described the noise, it could be an electric whistle (happens when an electrical componet is in use or working) or it could be your fan in the PSU. but since i can not say what it is for sure i cant say that you dont ahve to worry about it

Find Supply Unit On eBay Below:

Apevia ATX CB700W 20+4 Pin 700W Max Power Supply Unit PS PSU
Apevia ATX CB700W 20+4 Pin 700W Max Power Supply Unit PS PSU
$34.99
Dell 350W Power Supply Unit PSU LITEON PS 6351 2
Dell 350W Power Supply Unit PSU LITEON PS 6351 2
$22.08
Delta Electronics DPS 295BB A Sony Vaio 1 468 709 15 295W Power Supply Unit PSU
Delta Electronics DPS 295BB A Sony Vaio 1 468 709 15 295W Power Supply Unit PSU
$38.24
HP HP D3006A0 570856 001 300W Power Supply Unit PSU
HP HP D3006A0 570856 001 300W Power Supply Unit PSU
$32.96
Astec AA21430 50W Power Supply Unit PSU 34 1609 02 REV B0
Astec AA21430 50W Power Supply Unit PSU 34 1609 02 REV B0
$25.05
Dell Precision 380 390 T410 T3400 H525E 00 525W Power Supply Unit 0YN637 YN637
Dell Precision 380 390 T410 T3400 H525E 00 525W Power Supply Unit 0YN637 YN637
$69.90
LiteOn PE 6301 08AP 300W ATX Power Supply Unit PSU
LiteOn PE 6301 08AP 300W ATX Power Supply Unit PSU
$19.77
Dell Vostro 220 Mini Tower 300W Power Supply Unit PSU F77N6 HP P3017F3 D300R002L
Dell Vostro 220 Mini Tower 300W Power Supply Unit PSU F77N6 HP P3017F3 D300R002L
$59.35
Dell 0MH596 MH596 PS 5281 5DF LF 280W Power Supply Unit PSU
Dell 0MH596 MH596 PS 5281 5DF LF 280W Power Supply Unit PSU
$32.96
Delta REV02F E33446 007 650W Hot Swap RPS Power Supply Unit PSU DPS 650QB A
Delta REV02F E33446 007 650W Hot Swap RPS Power Supply Unit PSU DPS 650QB A
$30.32
Kira X Spice Power Pack CS 430W RoHS ATX power Supply Unit PSU
Kira X Spice Power Pack CS 430W RoHS ATX power Supply Unit PSU
$72.53
HuntKey HK340 71FP S1 0A37770 240W Power Supply Unit PSU
HuntKey HK340 71FP S1 0A37770 240W Power Supply Unit PSU
$43.51
NEW NO BOX Martek DC Power Supply Unit PS2365 Y D C 36V 75V FOR CIENA SWITCH
NEW NO BOX Martek DC Power Supply Unit PS2365 Y D C 36V 75V FOR CIENA SWITCH
$34.99
EVGA 600B 600W Black power supply unit T100 B1 0600 KR Free Ship
EVGA 600B 600W Black power supply unit T100 B1 0600 KR Free Ship
$108.07
D Link DPS 800 2 Slot Redundant Power Supply Unit TDPS 800 Free Ship
D Link DPS 800 2 Slot Redundant Power Supply Unit TDPS 800 Free Ship
$166.39
IN WIN Powerman 600W Power Supply Unit ATX 80+ GOLD TIP P600FQ3 2T Free Ship
IN WIN Powerman 600W Power Supply Unit ATX 80+ GOLD TIP P600FQ3 2T Free Ship
$114.67
Corsair AX860 80Plus Platinum 860W ATX Black power supply unit TCP 9020044 AU
Corsair AX860 80Plus Platinum 860W ATX Black power supply unit TCP 9020044 AU
$293.86
MASTERWATT MAKER 1200W POWER SUPPLIE UNIT TOP OF THE RANGE 80 Cooler Master
MASTERWATT MAKER 1200W POWER SUPPLIE UNIT TOP OF THE RANGE 80 Cooler Master
$678.72
Corsair HX750 750W ATX Black power supply unit TCP 9020137 AU Free Ship
Corsair HX750 750W ATX Black power supply unit TCP 9020137 AU Free Ship
$201.97
Vertiv 1U 16 port Rack Mount Power Supply Unit for Vertiv Avocent HMX and Matrix
Vertiv 1U 16 port Rack Mount Power Supply Unit for Vertiv Avocent HMX and Matrix
$366.95
Antec EA550G Pro power supply unit 550 W ATX Black TEA550G Pro Free Ship
Antec EA550G Pro power supply unit 550 W ATX Black TEA550G Pro Free Ship
$116.10
Antec EA650G Pro power supply unit 650 W ATX Black TEA650G Pro Free Ship
Antec EA650G Pro power supply unit 650 W ATX Black TEA650G Pro Free Ship
$131.24
ELITE 342 MATX CASE BLACK WITH TM 420W POWER SUPPLY UNIT+ 12CM Cooler Master
ELITE 342 MATX CASE BLACK WITH TM 420W POWER SUPPLY UNIT+ 12CM Cooler Master
$95.37
VANGUARD 80+ PLATINUM POWER SUPPLIE UNIT 1200W FULL MODULAR Cooler Master
VANGUARD 80+ PLATINUM POWER SUPPLIE UNIT 1200W FULL MODULAR Cooler Master
$348.95
Yealink SIPPWR5V12A AU Power Supply Unit for TSIPPWR5V12A AU Free Ship
Yealink SIPPWR5V12A AU Power Supply Unit for TSIPPWR5V12A AU Free Ship
$30.24
503296 B21 460W Hot Plug AC power supply unit Hewlett Packard Enterprise
503296 B21 460W Hot Plug AC power supply unit Hewlett Packard Enterprise
$352.47
Shuttle PC36 100W Metallic power supply unit TPC36 Free Ship
Shuttle PC36 100W Metallic power supply unit TPC36 Free Ship
$80.74
DeepCool DQ850M 850W power supply unit TDP GD DQ850M Free Ship
DeepCool DQ850M 850W power supply unit TDP GD DQ850M Free Ship
$181.74
CN 0XW783 DELL Vostro 200SFFetc Power Supply Unit DELTA DPS 250AB
CN 0XW783 DELL Vostro 200SFFetc Power Supply Unit DELTA DPS 250AB
$60.00
Cisco Redundant Power System 2300 1U Black power supply unit TPWR RPS2300
Cisco Redundant Power System 2300 1U Black power supply unit TPWR RPS2300
$1,164.15
AC Adapter For Logic Mark Freedom Alert Emergency Alerting Device Power Supply
AC Adapter For Logic Mark Freedom Alert Emergency Alerting Device Power Supply
$16.99
4M8GF DELL 240 V power supply unit for Vostro 260 s etc L250 PS 00 pre
4M8GF DELL 240 V power supply unit for Vostro 260 s etc L250 PS 00 pre
$60.00
HP 440569 001 441390 001 dx2250 MicroTower 250W Power Supply Unit PS 5251 08
HP 440569 001 441390 001 dx2250 MicroTower 250W Power Supply Unit PS 5251 08
$64.57
FSP FSP250 50LA 250W Power Supply Unit 20 Pin 4 Pin 1x Berg 2x Molex IDE
FSP FSP250 50LA 250W Power Supply Unit 20 Pin 4 Pin 1x Berg 2x Molex IDE
$57.78
IBM EXN4000 2863 Storage Expansion unit w 46X0878 Caddy Power supply ESH4 Cards
IBM EXN4000 2863 Storage Expansion unit w 46X0878 Caddy Power supply ESH4 Cards
$125.87
680 Watt 12CM Fan w Guard Grill ATX Power Supply Unit 20 24 Pin SATA Molex Pcie
680 Watt 12CM Fan w Guard Grill ATX Power Supply Unit 20 24 Pin SATA Molex Pcie
$28.49
CR651 67004 Power Supply for HP Designjet T790 T795 T1300 T2300 Z3200 PS Unit
CR651 67004 Power Supply for HP Designjet T790 T795 T1300 T2300 Z3200 PS Unit
$130.00
PSU NVC7F For Dell Precision T5600 T3600 635W Power Supply Unit Delta D635EF 00
PSU NVC7F For Dell Precision T5600 T3600 635W Power Supply Unit Delta D635EF 00
$155.00
Supermicro PWS 711 1R 710Watts 100 240V AC 1U Active PFC Power Supply Unit New
Supermicro PWS 711 1R 710Watts 100 240V AC 1U Active PFC Power Supply Unit New
$89.00

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