I work for a school's IT department. we have 30-40 dell optiplex gx270's and gx280's. recently many are dying. we have narrowed the problem down to being a faulty MOBO, and are looking into replacing them if we can find new or refurbished parts, however we have not been able to find any. Do you have any suggestions on where to look or is it not worth it?
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Hello Jacey, Below are the system specs for the power supplies that are installed in each chassis of the GX280 system. You can call the Dell Spare Parts Department at 1-877-717-3355 or click the link below.
small form-factor computer: 160 W small desktop computer: 210 W small mini-tower computer with processor speeds of 3.2 GHz or lower: 250 W small mini-tower computer with processor speeds of 3.4 GHz or higher: 305 W
small form-factor computer: 546 BTU/hr small desktop computer: 717 BTU/hr small mini-tower computer with processor speeds of 3.2 GHz or lower: 853 BTU/hr small mini-tower computer with processor speeds of 3.4 GHz or higher: 1041 BTU/hr
fixed-voltage power supply-110 V at 50/60 Hz
manual selection and auto-sensing power supplies-90 to 135 V at 50/60 Hz; 180 to 265 V at 50/60 Hz; 100 V at 50/60 Hz for Japanese computers
Thank You, Dell-Jesse L Dell Social Media and Communities
How to Find the Dell Part Number for a GX270 Replacement MotherboardIf the motherboard of your Dell OptiPlex GX270 desktop computer starts
to malfunction, find the replacement part number online by obtaining the
Dell service tag located on the back of your equipment. The service tag
is made up of five to seven alphanumeric digits and is specific to your
desktop computer.<br /><br />
<li>Unplug your GX270 desktop computer and turn the device around to the back.</li>
<li>Locate a white bar-coded label affixed to the side of your desktop
computer. The service tag for your computer is imprinted on this label.</li>
<li>Visit the Dell upgrade and replacement parts web page and enter the
service tag for your computer into the "Service Tag Search" field. Click
<li>Navigate to the "Compatible Parts" Section and click the category
"System Drives." Type "Motherboard" into the search field, then click
the "Search" icon.</li>
<li>Click the link for the GX270 motherboard. Scroll to the section
"Component Part Number" to locate the GX270 motherboard part number.</li></ol><br />
<li>Also find the part number for your GX270 motherboard within the "Replacement Parts" section of your owners manual.</li></ul><br />
<li><a href="http://www.dell.com/downloads/us/products/optix/gx270_spec.pdf">Dell: Dell OptiPlex GX270 Overview</a></li>
<li><a href="http://support.dell.com/support/DPP/Index.aspx?c=us&l=en&s=gen">Dell: Product Support for OptiPlex GX270</a></li>
<li><a href="http://support.dell.com/support/topics/global.aspx/support/en/identifyyoursystem?c=us&cs=19&l=en&s=dhs&%7Elt=popup&%7Emode=popup">Dell: Find Your Service Tag</a><br /></li></ul><br />
<li><a href="http://accessories.us.dell.com/sna/DellPartsFamily.aspx?c=us&l=en&s=dhs&%7Eck=anav&category_id=7566&ST=dell%20replacement%20parts&dgc=ST&cid=17745&lid=774124&acd=sqx784iXu,5531454746,901pdb6671">Dell: Replacement Parts Web Page</a></li></ul>*please leave a ratings if this information is helpful and beneficial to you.<br /><br /><br />Regards<br />MultilinkEnt.
May be a cpu problem. Make sure the fan is on the cpu and that it is running. If the fan is running you may need to change the thermal compound that is between the cpu and heat sink. If that doesn't work , the next step would be to try to use another cpu that you know is good and see if it fixes your problem.
If it is a slim gx260 case, it might not. If it is the wide case, it will, but the two motherboards have different power supplies. You will need to use a gx280 power supply to power it on. However, you can use a gx270 motherboard in a gx260 case without changing the power supply.