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My system was ok but my monitor was not seeing

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Hi
Have you access to another monitor, if so try that.
Has your monitor any lights on?
If it has an orange one only, then the video input from the computer is not working.
Try re-seating the video card if it's a separate one (Power off and plug out)
Good luck

Posted on Jan 24, 2009

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My HP A735W is turning on but stays in power save mode and no key board or mouse function


I think the issue is your monitor. If the monitor constantly says Power Save Mode and not let anything else display then the monitor might be bad. See if we can isolate the problem by the steps below.

Try booting up in Safe Mode and see if the monitor works ok.

Turn off the computer, then hit the power button to turn it back on and immediately start hitting the F8 key repeatedly until you see SAFE MODE. Take the Safe Mode option and let it boot up. Safe Mode will look different to you, the screen will be darker and the icons bigger, this is normal. If it works ok in safe mode then the monitor is ok and we might have an issue with a setting.


Try connecting another monitor to your computer. Borrow a monitor from a neighbor, friend, relative or co-worker and connect it to the computer. If the Borrowed monitor works ok, then your original monitor is bad. If the Borrowed monitor does the same thing as your original monitor then the issue is with the computer (possibly the video card).

May 20, 2012 | HP Pavilion a735w (PL308AAR) PC Desktop

1 Answer

No Graphics


Shine a flashlight on the dark screen to see if you barelysee the icons on the desktop. If so, then the LCD Inverter is bad.

Plug in an external monitor and see if the display shows up on it. It can beany kind of monitor even the old big fat crt monitors as long as it has a vgacable to connect to your computer's vga port. If so that proves yourvideo card is ok. The video will show on most systems when you rebootwithout you having to do anything. Some systems will require you to hit the FN(Function key) + F1 thru F12. Hold down the FN key then hit the correctkey for displaying on the monitor (F1 thru F12). The correct key willnormally have CRT/LCD on it or it will have the icon of a display.

If you see no icons by shinning a flash light and the external monitor works,then your screen is bad. If you see no icons by shinning the flash lightand nothing shows on the external monitor, then most likely your video card isbad.

May 06, 2012 | Sony VAIO Digital Studio PCV-RS220 PC...

1 Answer

My sony viao vgc-va10g has power but screen wnt turn on .


Shine a flashlight on the dark screen to see if you barely see the icons on the desktop. If so, then the LCD Inverter is bad.

Plug in an external monitor and see if the display shows up on it. It can be any kind of monitor even the old big fat crt monitors as long as it has a vga cable to connect to your computer's vga port. If so that proves your video card is ok. The video will show on most systems when you reboot without you having to do anything. Some systems will require you to hit the FN (Function key) + F1 thru F12. Hold down the FN key then hit the correct key for displaying on the monitor (F1 thru F12). The correct key will normally have CRT/LCD on it or it will have the icon of a display.

If you see no icons by shinning a flash light and the external monitor works, then your screen is bad. If you see no icons by shinning the flash light and nothing shows on the external monitor, then most likely your video card is bad.

Apr 24, 2012 | Sony PC Desktops

1 Answer

No signal on monitor, vga tested and ok


Did you check your monitor with other system or individually. If it works fine in these conditions then the issue belongs to your pc.
First of all, you have to confirm that is it the problem of VGA itself or the motherboard. For this, you have to see that does system beep when you start it because system with beeps having the error and the beep sound with continuous or 2-3 beeps relate with different issues. I am going to write down the beep conditions.

1 short beep Normal POST - system is ok 2 short beeps POST Error - error code shown on screen No beep Power supply or system board problem Continuous beep Power supply, system board, or keyboard problem Repeating short beeps Power supply or system board problem 1 long, 1 short beep System board problem 1 long, 2 short beeps Display adapter problem (MDA, CGA) 1 long, 3 short beeps Enhanced Graphics Adapter (EGA) 3 long beeps 3270 keyboard card

Mar 11, 2012 | PC Desktops

1 Answer

MY COMPUTER STARTS WHEN YOU PUSH THE POWER BOTTOM BUT NO BEEP SOUND ON POST AND DOES NOT DISPLAY ANY ERROR MESSAGE ON THE SRCREEN. I HAD WANTED TO BOOT IT FROM THE CD ROM AND FORMAT BUT I AM STACK.PLEASE...


Looks like you have no communication between your system unit and your monitor.

First you have to check the cable and see if it is firmly connected to the system unit and also the monitor

Next you check to see if your monitor is functioning ok, that is, power comes through

If the two above are ok, then you might have a problem with your RAM, CMOS or CPU.

If you can't do the technical job yourself then bring it for service

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1 Answer

My Dell dimension 2400 monitor doesn't work when connected to my tower. It appears that it's off when I connect it to the Dell Dimension 2400 tower, but when I connect the same monitor to another computer,...


Hi! For dell machines when u unplug the video cable/VGA from the tower while the system is on it will show monitor self test.If you are seeing a black box moving around the screen it means that monitor is ok.Check connection between monitor and tower.Make sure cables are securely plugged in.Check if the tower is ok. There is a possibility that your monitor is ok but the tower is not.check the power button (whats the color) if amber/orange, this means there is something wrong the the tower. If its blue or white it means its ok.Also check if you are going to hear one beep, it means system is booting up properly. If tower is ok and you are using a expansion video card then try to use internal one, normally its the vga port above the usbs.If you are going to use onboard video card make sure you enable it first in bios.If all things fail, contact your manufacturer, if the system is under warranty then they will send a tech to check the machine.hope this helps...

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2 Answers

Dell Dimension 5100 will not power up. Was working fine, turned power off, will not turn back on. Power supply tested OK, tried different power switch and ribbon cable connector, replaced mother board...


Have you checked your monitor? Try your monitor on another PC and check it is OK. Once you change the MB battery you effectively "Kill" the PC, as all the settings in the BIOS are removed and must be reprogrammed. You must enter the BIOS, and select "Default" setup and then reboot, you must do this regardless of what else is done first.(A bit hard when you can't see anything" You say... "tried different power switch and ribbon cable connector" (sic) exactly what "Ribbon cable/Power switch"? Anyway as said check monitor, if it is OK, we will proceed from there, then, you must check your video card, test it in another machine, if possible, to see if thats OK, if it is OK, then it is now likely that you may have a Mother board problem. If you can, try another Video card to see if you get Video on screen. see we need to establish "Known Good" items, once we know whats what, we can then go on. Now if any of these things tested are faulty, Monitor, Video card, obviously replace them, however IF they are NOT faulty, as related it may be the Motherboard, Remove the RAM, and see if anything is on screen? If yes, replace RAM, If still NO, then take any cards out, and check, if then OK, replace cards one by one until you get to the one that stops it, there is your problem, replace it. All we are trying to do is get anything on the screen, if we do, then you must redo the BIOS, as related before. Now if you get it going it still may not boot through to windows desktop, if this is the case, after you boot press F8 and select safe mode, when you get asked if you want safe mode or system restore, choose system restore and choose a date before you had a problem that should get you back. You just have to logically work through, until you find the faulty "bit" and replace it.

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2 Answers

My monitor has no display at all


very incomplete thread..i gotta know 1st what is ur system configuration..is all ur system is getting power on..is there any light on cabinet glowing (the power n hdd)..is there is power light coming on ur monitor..is there any sound coming out of the system..or the set is dead..??..

considering that the system gets on but u get no display and assuming that the bios has not been flashed in a wrong way..

probably itz either minor case of loose ram/improper ground/cmos battery..
or major case of faulty or defective smps/cpu/main board short/display adapter or card/monitor

..plz do check the following as in order:..

1) in power on mode, open/unplug the data/vga cable of the monitor from cabinet..see if raster or 'osd' is appearing on the monitor screen..if so monitor is ok..else replace the monitor and see..

2) if u hv a graphics card, replace with a standby or onboard and see..

3) see if the ram(s) is loose/faulty..open clean/remove carbon & or oxide formed on the teeth with an eraser n resit it..or replace with a standby n see..

4) unplug mains supply..pick open/remove the cmos battery..check (above +3v)..resit..

5) remove/clean dust neatly..dust is non-uniform in nature n may cause jam/short circuitry/excess resistace n many more..resulting an increase in heat..

6) open the CPU Heat-Sink with fan out of the socket..put some "Heat Sink Compound" (available in local electronics chip level spare market) between the cpu/processor and the CPU Heat Sink *** fan..resit/fit it tightly in position..

7) the smps itself may b defective/faulty..check the outputs of smps viz. 0v (black~ground); +12v (yellow); +5v (red, green~ps-on, violet~pg & grey~sb); -12v (blue); -5v(white); +3.3v(orange)..
the 'oscillator and error amplifier ic', or pwm switching regulator circuit..look for defective protector-transformer/resistance(esp 4.7k)/mosfet..

8) if itz not the smps, then it must b ur main/mother board..see with a debug card for mb error..may b short..look for defective capacitors(esp above 1000mfd)/mosfets..go through the mb's south bridge n the circuit lie around atx connector..the crystal clock generator (if cpu isn't heating up)....

always better to seek advise from ur system admin/vendor....

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1 Answer

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Try to boot into vista's safe mode, this can usually be done by pressing F8 after POST, but before you see the vista loading screen.

Once in safe mode go to:

Start > Control Panel > System

on the left you will see " Advanced System Settings " Click that

a new window will pop up with your system properties, click the " settings " button near " startup and recovery "

Make sure the little check-mark near " restart automaticly " is NOT check, then apply, and OK out of all screeens and reboot the system. If the problem persist, you may need to insert the Vista disk into your system, and do a recovery, or restore.

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2 Answers

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Hi. On some motherboards the 'Enable usb Support' option in system can cause this. Use a conventional ps2 mouse and keyboard, unplug all usb devices, enter system and ensure that 'Enable USB Keyboard Support' is turned off and continue setting up as usual. Try locating a bios upgrade for the mobo concerned.

I hope this helps. Let me know how you get on.

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