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Hello - My display is not working correctly. I get about half of the screen clearly (top half) and the bottom half is fuzzy and hard to see. Is that type of problem due to a video card problem, or a problem with my lcd screen? If it is the screen, is it hard to replace? Thanks, P Roberts
Please try to connect the laptop to a different monitor or display output like LCD or a projector, in case u find the clear images then the issue is with your LCD otherwise the issue is with your video card. The replacement of the LCD depends on the type of warranty you have.
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Your lcd screen is going bad. It's either the lcd screen or the video
card inside the computer. To isolate the problem try connecting another
monitor to the computer. Borrow a monitor from a neighbor, friend,
relative or co-worker and connect it to the computer. If the Borrowed
monitor displays ok then your video card is ok, but your original
monitor is bad. If the Borrowed monitor displays the same as your
original monitor then your video card 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 the video shows on the external monitor that proves your video
card is ok, ,but your lcd screen is bad. 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.
Your lcd screen is going bad or your video card inside the computer is
bad. To isolate the problem Borrow a monitor from a neighbor, friend,
relative or co-worker and connect it to the laptop. If the Borrowed
monitor displays ok then your video card is good and the lcd screen on
your laptop is bad. If the Borrowed monitor displays the same lines as
your lcd screen, then your video card inside the computer is bad.
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.
Maybe your lcd screen is going bad or the video card is going bad. Try
connecting an external monitor to the laptop and see if it works.
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 the external monitor works ok without the running down then
your video card is good and the lcd screen is going bad. If the external
monitor does the same as your lcd screen then your video card is going
bad.
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.
Sounds like the screen is going bad. Isolate the problem by plugging an
external monitor to the laptop. Borrow a monitor from a neighbor,
friend, relative or co-worker to plug to the laptop. 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 the Borrowed monitor does not show the rainbow lines, that proves your video card is ok and the problem is
your lcd screen. If the borrowed monitor shows the same rainbow lines it means your video card inside the
computer has the issue.
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.
By using the VGA output with a projector and having it show up clearly and as expected is a sign that the video card/GPU is working properly.
Furthermore, the symptom that you explain of a rolling screen I interpret as meaning that you can see the image that is meant to be displayed, but it keeps moving from the bottom of the screen to the top and rotating. IF this is correct it sounds like DA converter on the LCD is your culprit. It is the chip that is in charge of interpreting the signal coming from the GPU and sending it to the LCD elements at the prescribed refresh rate (generally 60 hertz). The rolling image is an indication of the refresh rate not being met by the LCD.
Things to check:
1) While plugged into the projector, open the Windows Control Panel then the Display Icon. Go to the Settings Tab.
2) If the Display settings show 2 output displays, ensure the built-in LCD is the one clicked on in the graphic then click the Advanced Settings button/link.
3) Once that window appears go to the Monitor Tab and set the option to the lowest numbered option. Generally this will be 60 or lower. Then press OK. The screen will flicker and HOPEFULLY you will get a clear/non-rotating LCD display. If not, I'd venture that the LCD itself has gone bad again. Perhaps there is a root cause such as a powering issue that is providing too many amps to the LCD but that would take some hefty investigation to resolve the power that is supposed to be provided and a multimeter to figure out the actual voltage/amperage.
Hope this helps!
This indicates a bad LCD screen, Hook a external monitor to the video output on the back of the laptop, If okay! the display on the computer is bad and will need to be replaced, "costly" Now! if both screens show the same problem, it is the Video Graphics Card that is apart of the motherboard that is the issue, It will need a computer technician to address this.
My new TV LCD Samsung LC32C530 Series 5 has one half darker and with less contrast than the other.This is noticeable now always. There is a distinct and clear division down exactly half the display which separates the dark and light sides.. Any ideas?Thank you.
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