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Solve : Loud sound comes from the computer and is very slow.?

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I just got a new power supply and installed it after that the computer is very slow and is making a grinding noise and the FAN is ruining very loud.

My pc is a Dell XPS 410
Windows Vista SP2
here the part
1DJ301Kit, Mouse, Universal Serial Bus, 2BTN, Optical, Lead Free Black1DT240Card, Graphics, 7300, Low Encryption, MRMGA10, 22X8388Dual In-Line Memory Module, 512667M, 64X64, 8, 240, 2RX81HF730Display, Flat Panel Display, 20W2007WFP, Black, Dell Americas Organization1KJ293Assembly, Panel, Filler, Floppy Drive, TANK, Precision Workstation1DY654Kit, Software, Works, 8.5, Office TRIAL, English1JF495Modem, V.92, Data FAX, Internal SON2, Lead Free, Dell Americas Organization1MY531Assembly, DVD+/-RW..., 16, TSST SATA, Black1JX718HARD DRIVE..., 250G, S2, 7.2K, 3.5, WD-HAWK0149DFINFORMATION..., PREPARATION MATERIAL..., DEVIATION..., PRECISION WORKSTATION..., INCREASE..., #21TH659PLACEMAT..., GETTING STARTED..., DIMENSION..., EXTREME PERFORMANCE SYSTEM..., 4101YH251GUIDE..., OWNER..., DIMENSION..., EXTREME PERFORMANCE SYSTEM..., 410, ENGLAND/ENGLISH...1HU608Kit, Software, Norton Internet Security, 2007, 15MTH, English1RH659Keyboard, 104, UNIVERSAL SERIAL BUS..., UNITED STATES..., Black, DARFON ELECTRONICS, CORP...1JW762Kit, Software, Overpack, VHP32 Digital Video Disk Drive English1UH837Kit, Speaker, 12V, AS501, Nmb Black001323INFORMATION..., NO ITEM1DH108ASSEMBLY..., CHASSIS..., DIMENSION..., 9200/410, PWA INTEGRATED...1JX144Processor, 6300, 1.86, 2M, Core Duo-conroe, Burn 21NJ131INSTRUCTION..., DEVIATE CHAS L6 TO L5.51XP850Assembly, Heatsink, Shroud, MATRIX TANK DESKTOP... Which fan is grinding? the fan in the PSU unit or the CPU fan etc? I had a power supply once that made all the DC fans buzz because there was an issue with the DC bridge in the power supply creating a 60hz hum. If the previous power supply wasnt bad, switch back and see if this new PSU has a bad DC bridge filter causing a 60hz rippled DC output.Same Machine ? ?yes it the same oneQuote from: DaveLembke on September 06, 2011, 08:25:29 PM

Which fan is grinding? the fan in the PSU unit or the CPU fan etc? I had a power supply once that made all the DC fans buzz because there was an issue with the DC bridge in the power supply creating a 60hz hum. If the previous power supply wasnt bad, switch back and see if this new PSU has a bad DC bridge filter causing a 60hz rippled DC output.

if i tried switching back the PC wouldn't turn on at allCan you return or exchange the power supply?Quote from: quangvu45 on September 07, 2011, 07:16:30 PM
yes it the same one
From the other THREAD:

Your Computer: http://support.dell.com/support/downloads/driverslist.aspx?c=us&cs=19&l=en&s=dhs&ServiceTag=&SystemID=DIM_PNT_9200_XPS_410&os=WW1&osl=en&catid=&impid=

http://support.dell.com/support/edocs/systems/xps410/en/index.htm

Diagnostic Lights

If the power light is blinking amber, the computer is receiving electrical power, but an internal power problem MIGHT exist.

If the power light is steady amber, a device might be malfunctioning or incorrectly installed.

Remove and then reinstall the memory modules (see Installing Memory).

Remove and then reinstall any cards (see Cards).

Remove and then reinstall the graphics card, if applicable (see Cards).

Ensure that all power cables are SECURELY connected to the system board. (see System Board Components).

What happened to the blinking yellow light?
Did you follow the procedure above?
It doesn't say anything about replacing a PSU.


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