Question about Liquid Video L17LCD2 17" Flat Panel LCD Monitor
My LCD too, flickers on and off, I have gone to the safe mode using F8. However, I am unable to see the screen long enough to scroll to the right line. How do I go to the right section without seeing the screen or is there another way to get there? I have a laptop but I wouldn't know how to connect it to my laptop and have the monitor connected at the same time? I am optimistic that the solution that was mentioned on11/10 could work if only I can access the screen long enough to move forward. thanks I had the same problem and replaced the C922 cap. It's now a few months later and the problem is back, guess I'll try the higher voltage cap.
It is unable to process quick rendering from a bright scene to a nearly pitch black scene. Can you connect another monitor to the computer to do the following.
Check your refresh rate (under desktop properties if using windows) and try setting it to 60Hz. LCD monitors have a slow enough "decay" rate that you will not see any flickering at that lower rate like you would with a CRT monitor.
If it was a Dell monitor from (but not including) 24" and below, it could be what is called a "CCFL failure" which is just when the lamps on it are defective or the main board inside. If it flickers and turns off but the power button is still on... I would give it a 90% chance that it is a "CCFL failure". If it only flickers but doesn't turn off, test the main board before replacement, but there is a strong possibility that could be it. If it is 24" and up, well it could still be the same thing, but it's a little more complicated. DO NOT TRY TO DO IT YOURSELF... or you might wanna consider getting a new monitor. It doesn't matter how careful you are, you can potentially mess it up. Electrostatic Discharges can make a French Fry out of your main board. Which would make it useless... obviously. Well, the best of luck partner.
Posted on Mar 29, 2008
I have the same monitor and the power light was blinking on and off
regardless of whether it was plugged into a source or not. I could see
an image of the desktop cycle on briefly in conjunction with the power
light. I repaired my monitor by changing out a 1000uF/16v cap (C922)
and everything is working great."
I would suggest changing the caps to a higher voltage rating if you have one that will fit. I installed 35V 1000uF Cap for C922. My unit also had a 470uF cap next to C922 that was bulging so I changed it also.
Its an easy repair if you can solder at all. The hardest part is getting the back cover off. Remove the 4 screws that hold the base bracket in place and carefully slide it out. Then the other 5 screws on the back. (One under base plate you can't see till base is off.)
Then you can remove the metal sheild and acess the PCB's. 2 Screws and the HEX standoffs at the VGA port need to be removed and it will slide off. The inverter board is the one on the left.
Even at Radio Shack prices these caps should cost less than a couple bucks. I took mine off a couple junk boards I had. Replace any that are bulging at all.
Many thanks to the person that threw this monitor in the dumpster for scrap metal at our local tranfer station. Works great.
Posted on Mar 29, 2008
Are you sure its the only cap witch is faulty? maybe another one has broken down / about to.
Posted on Mar 29, 2008
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Posted on Jan 02, 2017
Tips for a great answer:
what are you referring to usb is gone ?
restart you computer tap the f8 key repeatedly to enter safe mode where the only things working will be your keyboard and mouse allowing you an attempt to repair your computer
If done properly the user should get to a screen similar to the below screen.
Select the option for Safe mode command prompt only
Windows Advanced Options Menu
Please select an option:
Safe Mode with Networking
Safe Mode with Command Prompt
Enable Boot Logging
Enable VGA mode
Last Known Good Configuration (your most recent settings that worked)
Directory Services Restore Mode (Windows domain controllers only)
Start Windows Normally
Return to OS Choices Menu
Use the up and down arrow keys to move the highlight to your choice.
select safe mode
Click start control panel keyboard hardware make sure you have the right keyboard selected
or you might have uninstall the keyboard then restart your computer then reinstall it and its drivers
click start control panel administrive tools computer management device manager scroll to keyboard you might see a yellow question /exclamation mark ? ! or a red X right click update driver
hope it helps
Aug 23, 2012 | Computers & Internet
1. Let's power the computer off in order to boot it into "safe mode."
2. Restart your computer and start pressing the F8 key on your keyboard.
3. You will be presented with the Windows Advanced Options Menu that contains several options to choose from. In this case you will scroll down using the down arrow on your keyboard to the option, "Safe Mode" then press the "Enter" key on your keyboard.
4. The next screen should display "Please select the operating system to start:" typically the name of your version of windows will be displayed and highlighted in white, I recommend you just press "Enter" on your keyboard at this screen.
5. Now you will see a bunch of white writing scrolling about your screen and after a few moments you should be able to login to Windows.
6. You may receive a prompt asking if you really want to boot into Safe Mode. Choose Yes.
7. Once Windows is fully booted, you will be in safe mode.
8. Now right-click on the desktop
9. Choose "PROPERTIES"
10. The "DISPLAY PROPERTIES" menu will come up, then press on the "SETTINGS" tab
11. In this tab you will see a slider bar that can be slid from left: (Less) to right: (More). Slide the tab to the left toward the "Less" option. After positioning the slider to a lower screen resolution be sure to press "APPLY" then "OK" on the bottom of this menu
12. Now reboot your computer as you would normally and that lovely "VGA not supported" message should be long gone.
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