A specific device (server, NAS, printer) is unreachable
Other devices on the network work fine. The issue is that one device, the switch port, or a stale DHCP lease.
Try this first
- 1Ping the device from your laptop (cmd: ping ip-address). No response? Physically unreachable.
- 2Walk to the device. Lights on? Power-cycle it (off, wait 30 seconds, on).
- 3Swap the network cable or switch port. Two minutes; often the cause.
- 4On your router: does the device have an IP? No IP = DHCP issue. Sometimes a static IP is needed.
- 5If hostname does not resolve but IP does: DNS cache. ipconfig /flushdns or a laptop restart.
When to bring us in
On a server, NAS, or switch dropping: do not casually power-cycle. Call us; we connect via remote or console and avoid data loss.
See also
- Wi-Fi drops randomly across the officeFirst rule out whether it is the access points or the internet connection itself. Different fix.
- One room or corner has no or bad Wi-FiNot always "add another AP"; often one is poorly positioned, or there is a metal wall in the way.
- Internet is suddenly slow for everyoneThree suspects: your provider, a colleague soaking the line, or a backup or update kicking in unexpectedly.
None of the above fits?
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