Dell has acknowledged a problem with the Optiplex 390 units going back to at least December of last year. The affected systems do not wake up from sleep mode even if powered off and back on. Some users are reporting up to 50% failure rate of systems after a week or two of use. At this point Dell has halted the shipping of this series until all units can be corrected, but third party resellers may be still selling stock on hand. If you already have units in production then you need to do the update to your systems before they start having the problem. Read more
Many readers have asked about the Optiplex GX620 systems, and if they have the same issues as the Optiplex GX745′s, Yes they do! These symptoms can include – Not booting or frequent lockups. If you have a PC with this type of problem it may not be a software issue, it may be motherboard related.
We have noticed more and more Dell Optiplex 745 PCs coming into our shop for the same issue, no display at boot time. If you are having any of the following issues with your Dell Optiplex 745 PCs – no boot at all, no display or frequent lockups then this may be the cause of your problems. Read more