10-27-2007 09:48 AM
Operating System : Windows Xp Media
Service Ticket number : 8004317652
Steps done to resolve the issue
Earlier in device manager under monitors -- instead of hp w2408 monitor -- default monitor was showing up, tried to install the driver through sp36335.exe which was in the driver installation cd of the monitor -- after that restarted the computer -- but still under monitors -- default monitor is shown -- again manually installing the drivers by have disk option in installation wizard. Now Hp w2408 monitor is shown. and the display is also proper hwoever when installed the My HP Display it says that this version works only with hp enabled displays however hp w2408 is installed -- went into properties of hp w2408 -- went into details and in device instance id -- the path is display\default_monitor\********* however this instance id should have the path of hp. went into registry editor HKLM\system\currentcontrolset\enum\display\default
Customer has a 19 inch HP Crt monitor -- connected that monitor and again ran recovery -- however after recovery default_monitor shows in device manager and untill and unless hp w2408 or device instance id display\default_monitor\********* is shown MY HP DISPLAY would not work.
Why HP DISPLAY is not working --- May be hp my display recognizes the monitor through the device instanceid which is shown as display\default_monitor\********* however it should be under hp and so my hp display detects default_monitor even though Hp w2408 is installed through have disk option.
Solved! Go to Solution.
10-27-2007 11:51 AM
If it does I would not worry.
On one my HP's,it shows the monitor twice in Device Manager but has no effect on the performance.
10-30-2007 02:05 PM
10-30-2007 02:08 PM
03-13-2008 03:45 PM
03-17-2008 09:27 AM
When the system boots, the display drivers query the EDID chip on the monitor to determien what type of monitor is connected. If this fails, the monitor will show up as a Default Monitor instead of a Plug an Play monitor. Installing the Monitor Drivers will change this but not the fact that the dispaly drivers were not able to communicate with the monitor. To fix this, I recommend the following:
1) Try updating the display drivers or at least reinstalling the current ones. Get them from the graphic card manufacturer's website if possible. Installing (or reinstalling) drivers will often get them to read the monitor as a Plug and Play monitor. My Display software should then work.
2) Not all monitor cables are created equal. Older cables did not contain the DDC pins necessary for DDC/CI communications that My Display uses. Make sure VGA cables have ALL 15 pins. If possible, use DVI (Digital). All LCD monitors are digital and convering the signal back and forth from digital to analog causes a loss in quality.
3) Try a different graphic card or system. You do not need to install HP My Display, just check to see if the monitor is recognized as a Plug and Play monitor. If it is, you may want to consider an ugprade to your grahpics card as it is not detecting the monitor properly. If it fails on two differnet graphic cards, contact HP support to see if they can test the monitor for you to ensure it is working properly.
04-18-2008 09:24 AM
07-14-2009 04:23 PM
The problem started when a defective HDD failed and I had to rebuild the system on a new disk using the HP Vista and RestorePlus! DVDs. Installing the monitor utilities from the LCD monitor DVD tried included installaton of the L2245w drivers from that DVD, which seems to be what caused the problem.
From that point on, I get a "Windows found a new device and must download the drivers" error message. About 50% of the time, this installation fails, though I can subsequently update the driver manually and it works. In either case, I end up with the monitor.sys Generic PnP Monitor driver. The display appears to work correctly (though without the pivot capability and some other features that the utilities would have given me), but I can't rid of the blasted error message every time I reboot.
After inspecting the system logs, I found a message that said the driver could not be updated because of an improper signature. Vista treats certain drivers as compromised if they are not properly signed, and will not install them. It appears there is no way to fix this problem until HP fixes the driver issue.
I spent two hours on the phone with HP support, and downloaded the latest video drivers (on-board video controller from HP) and monitor drivers, but of course the latter cannot be installed for the same reason. The conclusion from the tech support guy was "This is an operating system problem; HP is a hardware company; we don't support the operating system." !! The O.S. OEM agreement with Microsoft requires them to support it. He could not escalate the issue beyond his supervisor, and they have no process in place to forward the problem to a software engineer who could consult with MS to fix the problem (he actually said HP doesn't have sw engineers).
I'm not sure where to go from here.
07-19-2009 08:35 AM
07-19-2009 08:40 AM