I'm using the kvm switch with two computers running Windows XP Pro. The switch works only if computer 1 is turned on before computer 2. If I turn on only computer 2, neither the keyboard nor mouse work. If I turn on 1, then 2, and turn off one after 2 has booted, then the mouse and keyboard work.
If I unplug computer 1 from the kvm switch, I still have no keyboard or mouse on 2.
If I plug the mouse, keyboard and monitor directly into computer 2, everything works fine.
Reversing the kvm plugs on computers 1 and 2 makes no difference to the above problem.
Pls select to problem side and scan the keyboard detecting in the deviice manager. if mouse not work plug mouse ,not key board direct to problem pc to access the device manager.
if not solved pls connect inputs connected to KVM 1 to 2 and 2 to 1 port( exchange). if now problem change to other pc ,pls change cable connected to problem pc and test.
Try hitting the following keys in succession and your KVM should reset the keyboard and mouse interface and allow them to work:
Scroll Lock + Scroll Lock + End
I have a solution for this problem which I posted previously:
"I'm using the kvm switch with two computers running Windows XP Pro. The
switch works only if computer 1 is turned on before computer 2. If I
turn on only computer 2, neither the keyboard nor mouse work. If I turn
on 1, then 2, and turn off one after 2 has booted, then the mouse and
keyboard work.
If I unplug computer 1 from the kvm switch, I still have no keyboard or mouse on 2.
If I plug the mouse, keyboard and monitor directly into computer 2, everything works fine.
Reversing the kvm plugs on computers 1 and 2 makes no difference to the above problem."
SOLUTION: I turn on computer 2 and THEN computer 1. Computer 2 displays the CapLock and ScrollLock and then the NumLock lights. When the NumLock lightis on, I press the Numlock key to turn the light off, and then I shut down computer 2. Then computer 1 boots with access to the mouse, keyboard, and monitor.
Solution for the mouse. I have 8 KVM's. Most of my computers work with the KVMs. On 1 inland KVM the logitect and Microsoft optical mice do not work on one computer (but work with the other computers). They both are USB. I hook them up with a USB to PS2 adapter. If I use a ps2 ball mouse connected to the KVM the mouse works. All the Mice work if I directly connect them. Since I do not want a ball mouse I got a Frisby optical PS2 mouse. It works with all the computers on the KVM's.
I do not have a solution for the Keyboard yet. 1 computer (ASUS MB) on my trendnet or belkin 4 postion KVM does not recognize the keyboard.
3,608 views
Usually answered in minutes!
I have the same problem. Computer 1 is a multiboot system: WinXP, Win98, DOS and several Linux. The problem occurs only when WinXP is booted first after power on. Computer 2 has no XP, so there is no problem.
I ususally use Linux and occasionally boot WinXP after, then there is no problem. When I want to to WinXP directly, I boot DOS first (takes only seconds).
I think it's not necessary to boot both computers in order to work around the problem. Try to boot another system before XP (e.g. DOS or Linux from diskette or CD) or create a small (stripped down) DOS, Win98 or Linux partition and boot this before booting XP.
Exchanging computer 1 and 2 does not change the problem.
NO KVM told, is this new or 1995
The KVM does not support all VESA plug and play hot swap rules, for all GPU made,
sure does not. none do.
when you command the SWITCH over PC1 to 2.
the KVM must first wake up the USB ports
then vastly harder it must hot swap the Video port no ports told by you (both PC)
The off line PC is GPU offline, video is dead
before the switch to PC2 and after.
The event fails to wake up the GPU port on PC2.
that is what fails.
This KVM you have is junk really if it can not do all VESA modes DDC and edid and support hot swapped monitors, it will fail to wake up PC2 Video port,
even the monitor can be wrong.
if the monitor does not support all DDC modes
as many do not (legacY) then i fails.
The VESA spec, shows all modes it must support.
what you have there was never told.
just PC and KVM parts, no facts. told. makes and models of all things there.
https://en.wikipedia.org/wiki/Extended_D...
your KVM fails to do the VESA VIDEO hot swap correctly.
never seen any monitor or KVM that can do all
VESA legacy hot swaps.
Use anydesk.com free and safe.
no KVM needed now.
or run those OS on 1 PC hyper-V imaged. w10.
poster 2
shows that some OS do not allow the GPU driver and card to go off line. like all modern PC and OS do now.
some old cards, GPU stay online, with the monitor unplugged, this is not done now.
Energy star PnP laws and rules.
old cards and old drivers are not like what we have now.
the off line trick is 3 fold.
Hardware did that all by itself,GPU.
the GPU firmware did that.
the OS driver did that off line act or not.
it goes off line to save power, why burn GPU power when the port is not connected.
when the GPU goes offline the monitor does too.
carbon foot prints and all that times billions of PCs.
That is normal now, even in 2008 normal to now.
The cure is use Hyper_V and one PC
or use anydesk for dead head PCs.
I use video port Dead head plug on each PC
so with no monitor attached, the GPU stays online,
100% effective this.
sold at fleebay, endless,
each plug , lies to the GPU card/port
tells it a missing monitor is there.
×