Question about Compaq Presario CQ50-215NR Notebook

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Screen lights, but no image

Machine will turn on, but no sounds of booting and no image on lighted screen

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My toshiba at200 table 10.1 wont turn on


1. When you press the power button to turn it on, do you see any thing on screen, like the toshiba boot up screen or something like that. Or is it completely blank (black color) always.

2. Can you see a faint image of your desktop (try to see it in dark place with flash light). This is important to confirm.

3. Also, when you press power button, do you see the LED lights on laptop blinking or solid green (which ones are in blinking/solid) and do hear any sound ? Or do you feel that your laptop doesnt even try to boot.

4. Can you hear any Beeps when you try to turn on the computer. If yes, what is the sequence of those beeps.

Continued......
If you answers are -
1.
blank
2.
no image
3.
only the satellite light is blue, the powercord is blue and the battery is blue
4.
no noise

Please do the following carefully and let me know result :
1. Shutdown and Unplug your laptop.
2. Remove the battery from the laptop.
3. Wait 2-3 minutes
4. Now press ON (power button on laptop) for 1 minute
5. Then release the finger and wait one more minute.
6. Now plug in the power cable (dont insert battery yet) and press ON button.
7. Did your screen start working now ? (do you see windows loading)


Jan 04, 2015 | Video Game Consoles & Games

1 Answer

My compaq presario cq60 wont turn on


Does the laptop boot? Sound? Do you see a "ghost Image" in the monitor in a bright light? If so, Could be backlighting, Inverter, on/off switch that shuts the monitor on/off when you open and close the lid. Can you boot to safe mode with networking? If so, Open the Device Manager, Uninstall the Graphics Adapter, reboot, the software will apply a generic driver, If the Graphics adapter has not failed completely.

Jan 24, 2013 | Compaq Presario CQ60-220US PC Laptop

1 Answer

Screen image works but wont light up


You didn't supply Make, Model of machine or OS, But ,If your machine is booting up and you can see a "ghost Image" on the monitor in a bright light the backlighting is not on. On a laptop there is a tiny switch that controls the light, a on/off switch when you open/close the lid. Sometimes the tiny switch will get stuck, a drop, jar, damage, dust, loose monitor hinge, etc. Or the CCFL/LED is out due to a loose wire or ribbon cable. Without your machine info that's the best I can do.

Nov 21, 2012 | Computers & Internet

1 Answer

No image 0n screen


Do a Cold-Start, remove any media, DVDs, CDs, USBs, printer cables, etc, unplug, remove battery, leave out during this process, plug in push on/off button, immediately start tapping ctrl+F-11 repeatedly until you get a beep or open the restor/recovery. restore to a date before this issue. You say "Boot up computer", does it boot?, HDD led blinks?, sound? Is there a "ghost image" in monitor under a very bright light? Has the laptop been damaged, dropped, jarred........etc? There is a tiny switch the turns the monitor on and off when you open and close the lid. It can get stuck. respod to this post for further assistance.

Nov 19, 2012 | Dell Inspiron 1501 Notebook

1 Answer

My labtop screen cannot display


if you hear the windows log in sound it means the display is t blame and most likely the back-light inverter is out and need to be changed or some contact wire.. In this case you need to open it and change the inverter or change the display .
If it does show a few devices and the logo screen when you open it ..and after that when it boots up in windows it shows the black screen ..it is a video card settings error and you need to either reinstall windows or try to boot in safe mode and reinstall the graphic card ..
In this case it is nothing wrong physically .. but just a setting made is unsupported and this causes the lack of image ..
Also if it is just the back light inverter you should have an idea of image if you look real carefully .. its kinda like a shadow .. and if this scenario is happens and you have a shadow image it means there is nothing wrong with the display itself but just the back light inverter is dead.. and will be cheaper to replace ..
let me know what you've managed to do ..

Nov 19, 2011 | IBM ThinkPad A31 Notebook

1 Answer

White light on monitor when it is turned on. nothing else


You could have a faulty LCD screen or a faulty video card.
To determine which fault you have, connect an external monitor to the video port on the laptop, power up the monitor first then bootup the laptop. The video will automatically switch to the monitor.
If you do not get a Windows image on the monitor then you have a faulty video card and this is a motherboard problem.
If you get a normal Windows image then the video card is OK and the fault is in the LCD or the video cable/connector.
First try reseating the video cable/connector which connects the LCD screen to the motherboard.
If the doesn't solve your problem the the fault is most likely the LCD screen.
For LCD screen replacement, parts, service and DIY info have a look at LCD Parts WEB site - use this link
www.lcdparts.net

Jul 09, 2009 | Acer Aspire 5100 Notebook

1 Answer

Acer m5640 windows vista premium home won't boot, no screen image, mouse and keyboard won't light up when connected via usb, cursor frozen on screen when last "working," fan and hard drive appear to be...


Check the processor on the machine first: is it seated properly, is the cooling fan turning on it. Next, reseat all of the memory modules in the case. Finally, test the keyboard and mouse and confirm they work; try a different keyboard and mouse on the machine. Listen for any unusual noises in the case (any noises that sound out of the ordinary), try running the machine with the side panel off if possible.

Jul 05, 2009 | Acer Aspire m5640 PC Desktop

3 Answers

IBM T40 Laptop screen goes black, will not come back


First of all, you have to check whether you can see video signal with surrounding light tilting the screen.
If you can see dim image, all you have to do is replace back-light inverter or fix it. Usually, the fuse is open and you can connect it by simple soldering.
If you can't see dim image, it is another problems.
Give it a try.

Dec 09, 2008 | IBM ThinkPad T40 2373 Notebook

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