Well my computer was originally windows vista, but after it crashed once and i sent it for repair, it came back with this ''windows vista not genuine'' problem. I always clicked ''activate later'' for the past few weeks and it was fine. But today when I tried to switch the computer on, my Acer monitor showed the acer logo followed by a ''no signal'' message and finally a blank screen. The CPU began to make the same noises as it usually did when it starts up (i.e. fan turns on & makes a humming noise).
so i'm wondering, is it just my monitor that's not working, or has Windows prevented my computer from starting up because the version is not genuine? Is there any way to fix it?
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first check with your both power supply out put is coming 19 Volts dc. if its not coming check with multi meter primary and secondary of your adopter continuity.if no continuity replace with proper working adopter.
The signal being sent is outside of the rated limits of the monitor (vertical or horizontal synch rates). Boot up in safe mode (by hitting F8 during the initial startup of the computer, before the windows logo screen comes up). Select Safe Mode. If you get a display in this mode, then you know your graphics card is sending a signal outside of the monitors limits, if not, then the monitor itself is probably bad. NOTE: The following steps are for Windows XP only... if you have a different OS, please reply and I'll research the steps for you.
If it is your graphics card, while in safe mode, right click on My Computer and choose Properties. Click on the Hardware tab. Click on Device Manager and double click the Display Adapter entry. Right click on your graphics card and click uninstall. This will force the computer to reinstall the graphics drivers at bootup and, hopefully, reset the adapters output mode. Reboot the system and once in, set your display settings to the best for your monitor (Windows XP should pick the best setting if the monitor is plug and play).
this should be easy...go to your desktop...right click on it and choose "personalize" it will open up a window. on the bottom it will say display settings...click on it...at the top right it should say "identify monitors" click on that...if that dosent work.click on the monitor that has a 2 on it and it will ask you if you want to add a monitor...it should work
if not, post a comment and i will check back with you
We had the same problem with the 17" we bought in Aug. Sent it back for repair. Acer sent it back without fixing the problem. Started doing it again in Nov. This time I called a supervisor and they sent me a new monitor. Well yesterday it started doing the same thing. You can fix it temp buy unplugging it and holding down the on-off switch for 30 seconds. Please let me know if you have a better fix.