When booting displays red boxes on screen, like a test pattern, then comes up with little like green boxes. Occasionaly BSOD's with a NV4_MINI.sys error. Have tried uninstalling, and reinstalling NVIDIA drivers, but not resolved
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If I understand your issue, it sounds like the display works fine until it loads Windows, and then it has the error? It sounds to me like the video card drivers are crashing. This may be the case if you have recently updated them, or installed a new video card. I would recommend getting the latest drivers from the manufacturer's website on a CD, SD card, or USB drive, and then boot your computer in safe mode. Once in safe mode, install the new drivers, and see if that will help. You could also try using your onboard (integrated) video card if your motherboard has one. This could help rule out if the monitor is at fault. Just make sure your BIOS has the integrated card as a secondary video device if it the (I'm assuming PCIex16) peripheral card isn't found.
this is not a pc problem... this is because the connection loss between pc and monitor... not all pc's have sleep mode in externa vga connection.... it just cuts power off... u can configure monitor of possible to do that..
I'm no computer expert but have done a few of vga and no boot problems. Try your vga on another computer to confirm if vga is working. If the vga works on another computer, then you can concentrate on your computer booting. Try turning on your computer on safe mode..most computers boots on safe mode when you turn the computer on and continuously press f8, normal start up will happen but it will be in safe mode, but notice display will be a little different(bigger) ..try and restore your computer settings on a later date by doing a system restoration. Or if you know any software recently installed that might caused your computer not to boot, you can uninstall it when in safe mode...try these and see if it works. cheers
Adjust the convergence or reset it to factory default. Use only the remote when adjusting convergence. The front controls have no effect.
Press action button to enter MENU.
Navigate to SETUP.
Scroll down to CONVERGE.
Press VOL > to select.
Press CH buttons to navigate up or down.
Choose CONVERGENCE ADJ or RESET TO DEFAULT.
Press VOL > to select.
If CONVERGENCE ADJ is selected the align Green to Center screen will be displayed.
Use the navigation buttons on the remote control to align the horizontal and vertical green lines on screen, with the cabinet reference marks on top center and left center of cabinet.
Press ACTION button to display red center correction screen.
Use the navigation buttons on the remote control to align the red cross with the white cross pattern at the center of the screen. To prevent picture tube damage do not leave test pattern on for an extended period of time.
Press “0” on the remote control keypad to display the BLUE center correction screen, repeat procedure for adjusting blue. If needed press “0” again to return to RED correction screen. An adjusted cross pattern appears white with a minimum of color protrusion.
NINE POINT CONVERGENCE CORRECTION Remote Control must be in TV mode.
Press ACTION button to display red correction screen.
Press the 1 through 9 keypad buttons on the remote control to select the desired convergence position.
Use the navigation buttons to align the RED cross with the white cross pattern.
Press “0” on the remote control keypad to display the BLUE correction screen, then repeat procedure.
To exit press ACTION button repeatedly, then press CH up.
These are the Tests that should be run to determine which board is bad.You should call a good TV Tech if you are not familiar with this TV.
- The DDP1011 on the DMD board has a feature to display internal test patterns. - DNle, which is an end port in the digital board, has a feature to display internal test patterns. - The analog board sends signals to ADV7402 on the digital board. - The analog board is the first output and the digital board is the second one, followed by DMD, which is the final one. ■ Diagnosis By Module 1. Access Service Mode (In Standby mode, press "Mute", "1", "8", "2" and "Power" to turn the screen on and enter service mode) 2. Check if there is an error in the DMD board DDP1011 → TEST PATTERN → Press the right arrow key: Options of FULL WHITE, BLACK, RED, GREEN and BLUE PATTERN are displayed on the screen. If "Pattern" does not appear, this is a DMD board error. 3. Check if there is an error in the digital board before the DMD. When the DMD board has been determined to be error free based on the test patterns: FACTORY MODE → DNIe → TEST PATTERN normal display: no error in the digital board. If "Pattern" does not appear, it may be from a DMD board or ATI error or there is an analog board malfunction. 4. Check if there is an error in the analog board. Check for a power signal from the analog to the digital boards
It seems to be the screen of the system has gone bad , but in case if you see DELL on start of the system, it can be OS which is corrupted but the way you are telling that you can see it on external display it it the Monitor.
Boot into Safe Mode and change the video resolution to the lowest resolution supported. Reboot the machine normally. The problem should have disappeared. From here you can readjust your display resolution to any higher resolution supported by the system if you wish.