Troubleshooting Error: NMP: Parity Check Memory Parity Error The System has Halted
byWe had a PC that would not access the internet at all. It constantly showed an ethernet connection but DNS lookup would fail if…
gx520
How to Fix Windows Update Failing on New Install of Windows XP
byHey Windows XP will no longer be supported starting April 8, 2014 but there’s a lot of people still using it, including our computer…
How to Troubleshoot Dell Optiplex GX520 Power Supply Issues
byWe own over 40 Dell PCs and have run into many power supply issues. Here’s what I do to troubleshoot and track down the…
How to Replace the Power Supply in a Dell Optiplex GX520
byWe’ve had the fan on the power supply of these computers go out four times now (out of the 24 GX520’s we own). Here…
How to Fix Error “Adobe Flash Player Update Service 11.3 r300 encountered a problem and needed to close.”
byHardware Dell Optiplex GX520 PC Software Microsoft Windows XP, SP3 Adobe Flash Update Service 11.3 r300 All of our lab computers started getting…
Dell Optiplex GX520 Randomly Shuts Off
byEquipment: Dell Optiplex GX520 (Small Form Factor) Original Dell Power Supply Model H220P-01 Dell P/N: YD358 (CN-0YD358-47890-64S-4075) Replacement Power Supply Model H275P-00 Dell P/N:…
How to Replace the Power Supply Fan in a Dell Optiplex GX520
byI did some more searching and found others who had this same issue on that particular model of Dell, which has a particular model of fan…
Computer Randomly Shuts Off Power Supply Issues on a Dell Optiplex GX520 (Small Form Factor)
byOne of the computers in our lab would randomly shut down (note: it wasn’t rebooting, just shutting off). I tested the RAM using multiple…