Troubleshooting:
Ensure that all cables are well seated. Check that keyboard/mouse cables are not swapped. Label and bundle the cables for each computer to avoid confusion when connected to the KVM Switch.
Symptom |
| Possible causes Recommended solutions | ||||||
No OSD screen | .No power to KVM Switch | .Establish power by turning on | ||||||
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| computers, wait, press left CTRL |
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| .Loose monitor |
| keys several times. | |||
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| connection |
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| .Reconnect monitor | ||
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| Monitor not |
| .Use | |||
Keyboard error | .Loose keyboard |
| .Make sure keyboard cables are | |||||
on boot |
| connection |
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| Well seated | |||
Master/slave |
| .Improper |
| installation | .Make sure slave’s CONSOLE is | |||
does not work | procedures |
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| connected to Master’s PC 1~ PC | ||||
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| 8 port |
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| .Press and hold the 1 and 2 |
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| push buttons to initiate K/M reset |
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| .Remove any possible power |
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| supply to the slave (unplug all |
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| cables), before connecting it to |
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| the Master |
Keyboard |
| .The computer was in |
| .Press both SHIFT keys | ||||
strokes shifted | shifted state when last |
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| switched |
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The ↑ and | ↓ | .All PCs | are | off or | only | .Turn computers on. | ||
keys | do | not | one | PC | is | turned | on. |
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work in Manual | Scan | mode | works | for | .Press any other key to abort | |||
Scan |
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| Manual Scan mode. | |||||
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| .Scan type is eye mark | .Set proper Scan type in OSD | ||||
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| selected but no PC is eye | and determine which PCs are | ||||
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| mark selected in OSD. | eye mark selected, do it in OSD. | ||||
Auto Scan does | .All PCs | are | off or | only | .Turn on computers | |||
not switch | PC | one | PC | is | turned | on. | .Set proper Scan Type in OSD | |
and | KVM | Scan | mode | works | for | and determine which PCs are | ||
Switch | beeps | eye mark selected, do it in OSD. | ||||||
from | time | to | .Scan type is | eye mark | .Press left CTRL key twice to | |||
time | and | red | selected but no | abort Auto Scan mode. | ||||
indicator |
| PC is eye mark selected | .Press any front button to select | |||||
flashes |
| in OSD. |
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| a PC, and Auto Scan stops. |
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Double OSD |
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| .Improper slave |
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| .Press push buttons 1 and 2 | |||||||||
images at |
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| connection procedure. |
| down for 2 seconds to activate | ||||||||||
cascade |
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| K/M RESET. |
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configuration |
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| . Remove any possible power | |||||||
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| supply to the Slave (unplug all | ||||
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| cables), before connecting it to | ||||
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| the Master. |
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OSD | menu | is | .OSD | menu |
| has | fixed | .Use | <F4>:More\Position | to | ||||||
not | at |
| the | resolution | and | its | size | select | UL | or UR. | OSD menu | |||||
proper position |
| varies | due |
| to | computer | may appear near | the middle of | ||||||||
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| VGA resolution changes. | the screen when | LL or LR | is | ||||||||
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| selected. |
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Computer |
| can | .Loose mouse adapter |
| .Secure the mouse adapter to | |||||||||||
not use | serial |
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| computer’s COM port |
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mouse |
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| .Incorrect mouse adapter | .Use | only the mouse adapter | |||||||||
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| comes with the unit |
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Can not select a | .Improper | Master |
| unit | .Only Master ports PC1~PC8 can | |||||||||||
computer |
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| connection |
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| be connected to slaves. |
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connected | to | a | .Improper |
| slave |
| unit | .Connect slave CONSOLE port to | ||||||||
slave |
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| connection |
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| PC1~PC8 ports of the Master |
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| .Too | many | levels |
| of | .Only one level of slave units is | ||||||
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| slaves |
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| allowed. | Pop up OSD again to | |||
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| check if Master recognizes the | ||||
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| slave | connection. | Look | for | |
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| triangle mark and the number | ||||
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| before it. |
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The |
| KVM | .Computers do not supply | .Make sure a power adapter with | ||||||||||||
Switch | fails | to | enough power. |
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| minimum of 9V 500mA output | |||||||||
function |
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| rating is firmly connected to the | |||||
occasionally. |
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| power jack. |
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