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Got a strange problem with a clients laptop.
Intermittently, when the machine has been powered off, upon booting machine back on the wireless card will be uninstalled.
They will then have to go through the process of reinstalling it and will will be ok for a random time then happen again out of the blue.
But only if the machine is powered off, but again intermittently. They can power it off and boot up one time and it'll be fine another time it will have uninstalled.
It's a Vista home premium machine with Intel wireless card.
We've not. It's only running the manufacturers OEM which does't come with the repair option and as the clients in a remote location we're limited to trouble shooting over remote assistance.
Thought it was illegal not to supply some method of reinstall on a new machine?
If no repair options are available your PC manufacturer may have replaced the tools or customised them. Check your Computer Manual before proceeding.
1/ Start your PC
2/ If your PC has one operating system Press and Hold the F8 key as your PC starts. If the Windows Logo appear you will need to start again
3/ If you have a dual boot system a Boot option menu will appear. Highlight the Vista operating system and Press the F8 key
4/ In both cases, if all has gone well, an Advanced options screen will now appear
5/ Highlight the repair Your Computer option and Press Enter
6/ Select a keyboard layout, and then Click the Next button
7/ Next select your user Name and Enter your Password, then Click OK
8/ The recovery options should now appear
* Startup repair - This automatically fixes problems that are preventing Windows from starting
* System Restore - This will Restore Windows to an earlier point in time
* Windows Complete PC Restore - This will completely restore your entire PC - programs, system settings and files - from a back up that you have previously created (Available in Windows Vista Business, Enterprise and Ultimate editions only)
* Windows Memory Diagnostic Tool - This checks your computer's memory hardware for errors
* Command Prompt - This opens a Command Window
I would remove the card drivers and do a cold boot to safe mode.
Check device manager there and make sure it is removed and then shutdown,
This works in XP ad I assume Vista but not tried yet:-
(Start>Run>regedit) Registry Key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment
Data Type: REG_SZ [String Value] // Value Name: DEVMGR_SHOW_NONPRESENT_DEVICES
Modify/Create the Value Name [DEVMGR_SHOW_NONPRESENT_DEVICES] according to the Value Data listed below.
Value Data: [1 = Show Devices)
With the devmgr_show_nonpresent_devices set to 1, and "Show Hidden Devices" enabled, you can see the trash left after device uninstalls.
It may be "ghosting" and causing a problem so being sure its totally uninstalled before rebooting and reinstalling may stop the problem.
It has an option to reinstal/recover the enitre OS from the disc supplied but does not come with any form of non destructive repair option only an entire re-image/re-install.
And thanks for the tip re showing non present devices.
Will certainly give that a go and let you know of the results.
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