Question about Dell OptiPlex GX620 PC Desktop

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When in the setup section looking into pc setting cooling fan goes on to high speed then pc shuts down, then when I reboot and the screen comes up tells me that there was a thermal shutdown and ask me to press f1 to continue or f2 for setup I just got this used unit and I am still just checking it out it has the a11 bios and I see no heavy windows use when the pc has booted meaning using task manager. Dell OptiPlex GX620 PC Desktop Service Tag: CPSQV81 System Type: OptiPlex GX620 Ship Date: 11/17/2005 Dell IBU: Americas Quantity Parts # Part Description 1 W8400 Processor, 80547, Pentium 4 Prescott Dt, 630, SKT-T, Male 1 Y9628 INSTRUCTION..., DEVIATE-TO-MCSF-L5.5 0 149DF INFORMATION..., PREPARATION MATERIAL..., DEVIATION..., PRECISION WORKSTATION..., INCREASE..., #2 1 5120P Cord, Power, 125V, 6Feet, SJT..., Unshielded 1 C8649 KIT..., Mouse, UNIVERSAL SERIAL BUS..., 2 Button, Lead Free, Optical, Primax Electronics Ltd 1 N6250 Keyboard, 104, United States Universal Serial Bus Multi-media, Liteon 2 F6761 Dual In-Line Memory Module, 512533M, 64X64, 8, 240, 1RX8 1 U9565 Assembly, COMPACT DISK READ WRITE/DIGITAL VIDEO DISK DRIVE COMBO..., 48X Half Height, Toshiba Samsung Storage Technology, CHASSIS 2005... 1 DC164 Kit, Documentation on Floppy Disk, Software, PowerDVD, 5.5 RLOB 1 T6116 Display, Flat Panel Display, 19 Dual Voltage, 1905FP, Midnight Gray, DELL AMERICAS ORGANIZATION... 1 H9142 Card, Graphics, 128, X600 OUGA3, Full Height 1 XD673 HardDrive, 80GB, S2, 7.2K, 8M, Lead Free, Samsung 1 DD131 Assembly, Floppy Drive, 1.44M SONY, CHASSIS 2005..., Lead Free 1 WD766 Kit, Software, Overpack, WXPPSP2BCDWD, English 1 J8181 INSTRUCTION..., DEVIATE-TO-MND-L5.5 1 J7109 Assembly, Heatsink, Shroud Mainstream, Matrix, Smith, Mini Tower 1 Y8343 ASSEMBLY..., CHASSIS..., MATRIX,SMITH,MINI TOWER..., OPTIPLEX..., GX620, PWA INTEGRATED... 1 J8182 INSTRUCTION..., DEVIATE-TO-MSMT-L5.5 1 D9899 Assembly, Speaker, 1W, 28MM 12CBL, Lead Free 1 TC935 Kit, Compact Diskette, Driver Resource Compact Disk Optiplex, V2 1 J8461 Assembly, Cable, Video, Lead Free 0 83535 INFORMATION..., PART, ADVANCED TECHNOLOGY ATTACHMENT PACKET INTERFACE..., DEVICE 1 T4860 Guide, Product, Information Desktop, AMF/BCC

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  • info20383 Sep 13, 2009

    ok how do I "reset your motherbord settings to factory defaults"

  • info20383 Sep 13, 2009

    Hey thanks I was doing that while I was waiting for a reply here is what I found....

    It was a recond pc well the tech who worked on the unit had left one screw lose and 1 not even tight on the other side so the heat sink was not in full contact thus creating an overheat condition so I will except your reply just because your replies were correct if that was what I would have needed but have a great day ....


  • info20383 Sep 13, 2009

    This tech was right on target the reason I had come to you was because of all the write ups I found online for gx620 overheating and your tech steered me in the correct procedures so thanks....

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  • 4,281 Answers

It is becaseu of heating event on motherbord for that First reset your motherbord settings to factory defaults.
Remove dust from all circuit of motherbord.
Reconnect RAM memory.
If still face issue then you have to need put extra fan in cpu and change heat sink fan upon processor.

Let me know if you need more assistanse.
Thanks.

Posted on Sep 13, 2009

  • For RESET motherbord settings to defaults pull CMOS cell from motherbord for 10 minutes so all settings are defaults.
    CMOS cell is round cell.
    Let me know if you need more assistanse.
    Thanks.



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