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You can switch to an external monitor or data projector by two methods. 1. Connect the external monitor to the laptop's video port, power up the external monitor first and the laptop. The video information will automatically switch to the external monitor. 2. If you power up the laptop first then you can switch the video output to the external monitor by pressing the Fn key and one of the Function keys, depending upon your make and model laptop. You can also toggle between the external monitor or both LCD screen plus the external monitor or back to LCD screen only by pressing the Fn key plus one of the function key. Here is a list of key combinations for some of the laptops :- IBM ThinkPad = Fn + F7 HP and Compaq = Fn + F4 Toshiba = Fn + F5 Dell = Fn + F8
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).
Do you mean the monitor's power light starts green and then turns orange when you turn it on? Most monitors will go to a power saving mode when they do not get a signal from the computer.
The Dell GX260 has a green power light when on. When the computer is off, the light is off. If it is green and blinking, then the computer is in a power saving mode.
Diagnosis: start with the obvious: is the monitor cable plugged into both the computer and the monitor (if not permanently connected to the monitor)? Are you connected to the active port? (You can add a video graphics card in most desktops. The motherboard video port usually needs to be disabled to use the card ports. If you plug in the monitor cable to the disabled port, it won't work.) Is the monitor set to the correct input? (This applies if the monitor has several ports. In that case, there will be a Source or Input button on the monitor.) Is the computer on? The GX260 has the power button on the front. (Other computers have the power button on the top.) There is also the power supply switch on the back which needs to be on.
Next try a different data cable between the monitor and the computer (if you can). Try a different monitor. If a second monitor works, than the monitor has a damaged main board. If the second monitor doesn't work, then the video graphics adapter has probably failed. Replace the add-on card, if in use, then boot in the safe mode to remove the old graphics driver. Then install the correct driver for the graphics adapter.
Note: the computer and the monitor should both be off when you connect the cables. Then turn on the monitor first and set it to the correct source before turning on the computer.)
When you first power on the computer does the monitor work fine?
can you boot into safe mode? - Click Here for step by step to boot into safe mode.
If the Monitor works in Safe mode or works when you first power on the computer then it could most likely be an issue with your Video Card.
Try testing the Monitor on the laptop to see if it gives you the same issue. If it doesn't then you know for sure it the Desktop. I would most likely say its the video card.
If it turns out to be the Desktop, post the model of the PC and I can help see what other options you have.
I have worked a great deal with the Dell E177fpv boards and when it is blinking power switch then it's bad. Most the time it's the C204,and C203 compositors that are bad (100uF 10v), and 70% of the time the C159,C154 ( 470 uF 25V are bad as well. now i have replaced them many of time and it had came back to life. i have also found other caps bad on it as well. i know you can order a new board for $39.00 and here is the link. http://www.lcdrepair.us/e177fpv_inverter-power.html Good luck!
Sounds like a problem with the video card. Cross check the connections to the CPU. If its all fine, Then Connect the monitor to a diffrenet pc and then use the monitors keys to change it to a plug and play mode.This might help with ur problem
If the video card is built into the motherboard then try starting in safe mode and reinstalling the drivers from scratch. Download the latest drivers from the dell website. Safe mode will reduce the resolution and use a generic VGA driver. If your video card is plugged into a PCI slot try unplugging the video card and using a different slot and going through the same process. If you are still not getting any output to your monitor and you are positive the monitor is fine then you may need a new video card. To be sure, if the video card isn't embedded to the mother board, you could take it out and try it in a different computer. Hope that helps.
Look in the back of the Gateway where you currently have the video cable connected. If there are two connectors, (Side by Side) there than disconnect & re-connect to the other. Your display should come up. Don't be fooled. Most Pc's that have no display on their monitor is not a monitor problem but a computer problem.
I think maybe some how the main graphics for your pc has possibly switched to onboard.
Try getting into bios F2 or DEl on boot up and highlight Advanced ChipsetFeatures and press Enter.
In here make sure your AGP card is set as the Primary graphics controller.
When done press ESC and 'Y' to save settings, then re-boot pc.
Hope this gets you running again.