Strange Extended Desktop Problem 945

[BHowa2]

Wondering if someone here can help with a strange extended desktop settings problem I'm having on the Acer Aspire One Netbook.

Graphics card shows Mobile Intel(R) 945 Express Chipset Family (no letters such as G or GM)

I originally set the netbook's extended desktop up at my desk which has a 1920x1080 monitor... no problems, everything worked fine. After everything was setup, I went to my wife's desk and changed the display settings to match the external monitor at her desk (1280×1024) and had no problem. She used it for a week with no problems on the same boot, using hibernation to power the computer down until the computer was finally rebooted. Now, when each boot completes, the external monitor comes up, displays correctly for less than a minute, then blanks with the message "video mode not supported" After extended (and somewhat hilarious) research quest on a computer with the main monitor dark, I was finally able to determine that the external monitor was being set to 1920x1080 (the settings for the original monitor used to set up extended desktop) I've tried every way I know how to erase and/or reset this erroneous setting using both the windows and intel graphics settings with no success. Google comes up with solutions to the problem of not being able to set higher resolutions, but, can't find anything on computers which set graphics resolutions too high.

Thanks in advance for any clues,

Beverly Howard

[BHowa2]

Reading other posts here, realized that I neglected to collect, edit and post the "information"

Note that the info below shows the corrected extended desktop external (main) monitor settings of 1280x1024 for the rather than the problematic curent default setting of 1920x1080 ...info which is not a simple matter to collect with that monitor dark 😉

Beverly Howard

================

Intel(R) Graphics Media Accelerator Driver for Mobile Report

Driver Version: 6.14.10.4926Operating System: Windows XP* Home Edition, Service Pack 3 (5.1.2600)Default Language: EnglishDirectX* Version: 9.0Physical Memory: 1011 MBMinimum Graphics Memory: 8 MBMaximum Graphics Memory: 224 MBGraphics Memory in Use: 13 MBProcessor: x86 family 6 Model 28 Stepping 2Processor Speed: 1596 MHZVendor ID: 8086Device ID: 27AEDevice Revision: 03

* Accelerator Information *

Accelerator in Use: Mobile Intel(R) 945 Express Chipset FamilyVideo BIOS: 1585.0Current Graphics Mode: 1280 by 1024 True Color (75 Hz)

* Devices Connected to the Graphics Accelerator *

Active Notebook Displays: 1

* Notebook *

Monitor Name: Plug and Play MonitorDisplay Type: DigitalGamma Value: 2.20DDC2 Protocol: SupportedMaximum Image Size:

Horizontal: Not Available

Vertical: Not AvailableMonitor Supported Modes:1024 by 600 (60 Hz) (current setting on netbook)Display Power Management Support: Standby Mode: Not Supported Suspend Mode: Not Supported Active Off Mode: Not SupportedRaw EDID:00 ff ff ff ff ff ff 00 30 e4 7f 01 00 00 00 0000 12 01 03 80 13 0b 78 0a d9 95 94 58 57 91 2920 50 54 00 00 00 01 01 01 01 01 01 01 01 01 0101 01 01 01 01 01 1a 13 00 18 41 58 19 20 18 8803 01 c3 71 10 00 00 18 00 00 00 00 00 00 00 0000 00 00 00 00 00 00 00 00 00 00 00 00 fe 00 4c47 20 44 69 73 70 6c 61 79 0a 20 20 00 00 00 fe00 4c 50 30 38 39 57 53 31 2d 54 4c 41 31 00 c0

[BHowa2]

Even though the driver version showed to be the latest version, I ran the Intel driver update.

The problem (video set to wrong resolution on boot) still remains.

However, after running the update, when the blank extended desktop on the Acer Aspire One netbook screen is the graphics section of the resulting popup menu now contains a "Scheme" option which was not there prior to running the intel graphics update.

That now allows selecting a previously stored "Scheme" containing the correct settings for the main monitor.

Again, the original problem (video set to wrong resolution on boot) still remains.

Thanks in advance for any information on removing or resetting the wrong default video resolution,

Beverly Howard

[BHowa2]

Thank you for contacting Intel Technical Support.I am sorry for any inconvenience but at this pointI ask you to please refer to your system manufactureror Original Equipment Manufacturer for additionalassistance on this netbook solution.Sincerely,Diego A.Intel® Technical Support

[HERBERT_H_Intel]

you can't blame the guys.... this is an OEM chipset component after all. I'm sure that if you had this problem on an Intel board with the same chipset you'd get full on support.

OJ

[idata]

Try unchecking the "show only supported modes tab". Sometimes that works.

[idata]

Hello! Did you solve your problem with extended desktop? I have the same problem .