Hi,I had stripped down my armada 500 to look at usb as I broke the little plastic tab separator,anyway once I built it back up all multi-plugs back in correct place,my laptop comes on ok but I cant get the touch pad to respond,ie,pointer I double checked the connectors and all seem fine,if I connect a external mouse it seems to work,can you help me?thanks.
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With the older Compaq Armada E500 Notebook PC, I believe;
1) Remove the CMOS battery.
2) Leave it out for 30 minutes.
3) Press the Power On button, and hold it for a count of 10 seconds. Let go of the Power On button.
Press it again. If the Power On light comes on, hold the Power On button in, until the light goes out. Keep pressing, and holding the Power On button in, until the Power On LED light does Not come on anymore.
Reinstall the CMOS battery. WAIT 1 minute, turn the laptop on.
If this doesn't do it, there is a capacitor inside the laptop keeping residual power. There may be two copper pads that are briefly touched across, to dissipate this residual power.
Perform the removal of the CMOS battery first. If this doesn't work I'll try to find info on the copper pads. (They are usually under the Wireless Card, and a small piece of Mylar plastic sheet)
It has been a while but I think it isn't a zif but a standard low profile socket. You need a good light and check the edges to see if you can see the layers or where the cpu edges are. You should see the color differences between the plastic or the socket and the cpu. From above it will look like just a cpu but from the sides you should see the cpu overhand the socket a small bit or be flush with the edges.
The cpu has to be a M series P3 and you may need to adjust bus speeds and/or ram speed to make it work. May also have to upgrade bios as well.
Just above my keyboard there is a little black strip with little lights. they are control buttons and if you tap one of them it turns the touchpad off and on (so it's very easy to do accidentally).
If you look really closely at the strip in good light (or restart the laptop to see them flash on and off) you'll see that one looks like a touchpad crossed out. Just press this to get your touchpad back.
If it doesnt solve the problem, I have noticed that the touchpad can be knocked out by a Window Update of something called ideacom. If you believe this could be the problem please clarify.
Uninstall the driver from the device manager, then reboot. The machine will find the touch pad and reinstall the drive automatically. If this doesn't work, check the touch pad connection, they will sometimes work loose ar get a little dirt/corrosion build up. The connection is under the keyboard. At this point, if it's still not working, then it has failed and will need replaced.