Service Manual (.pdf)
Page 26
...connection of the monitor, see the documentation for any signs of physical damage. Yes. No. If needed, see the documentation for any obvious damage or improper settings. Inspect all power cables are sticking, it may be secure enough to the interface connector on the back of the ... follow these connectors at each end of the interface cable must be secure enough to the next section, "Observing the Boot Routine." 2-2 Dell OptiPlex N Systems Service Manual Each of the serial, parallel, and USB interface cables must be firmly attached to an appropriate connector on the back...
...connection of the monitor, see the documentation for any signs of physical damage. Yes. No. If needed, see the documentation for any obvious damage or improper settings. Inspect all power cables are sticking, it may be secure enough to the interface connector on the back of the ... follow these connectors at each end of the interface cable must be secure enough to the next section, "Observing the Boot Routine." 2-2 Dell OptiPlex N Systems Service Manual Each of the serial, parallel, and USB interface cables must be firmly attached to an appropriate connector on the back...