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Question about Dell E771a 17" CRT Monitor

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Monitor has white lines an screen display shrunk

My monitor started fickerin,then the screen display switched from 1024x768 to a shrink screen,with white lines running tru turns on and off by itself while the green light is still on (dell e771a) there any help for me?..oh it was about 3feet away from my tele is that a problem 2?

Posted by Kevin Venus on

  • Kartic Jul 01, 2008

    I am using a viewsonic widescreen lcd monitor since 1 yr... now I am facing a similar problem... could anyone suggest what to do in order to rectify this problem?

  • Anonymous Nov 08, 2008

    I Too Have A Dell E771a CRT Monitor With The Same Problem You Are Describing. I Don't Know Where To Start, Because I Haven't Encountered A Monitor With This Problem Before.


1 Answer

Lee Wilkin

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  • 60 Answers

Check that the cable between the computer and the monitor is still plugged in properly

Posted on Feb 05, 2018

5 Related Answers


  • 1153 Answers

SOURCE: dell lcd monitor with vertical lines

You have a filter problem, check power supply for bad capacitors.

Posted on Sep 14, 2007


SOURCE: Dell E172FP 17 monitor keeps blinking

That sounds like the backlight inverter board. Check ebay for the board or a repair kit for it.

Posted on Oct 23, 2007


  • 44 Answers

SOURCE: Partial Screen Display

Problem in the LCD back panel board. check the interface unit or ADC unit, also check the video clock pulse. one section is not working.....

Posted on Feb 08, 2008

Buddy Mcsparrin

  • 1684 Answers

SOURCE: Dell monitor shows blank screen, green power light stays on


You have a monitor with a common problem. After a few years some LCD monitorswill blow a power supply. The problem is caused by parts calledcapacitors overheating in the confined space of he monitor. If you aregood at electronics repair/soldering you can usually fix he problem. Check out a few pictures on my web site can take the back cover off your monitor and look for the bad parts,replace any that look like the pictues and your monitor should workfine. The capacitors do need to be installed with the correct + and -connections, note the stripe on the old one and insert the new one thesame way. If you don't want to try the repair yourself we offer a repair service for $35 plus shipping. I hope this helps, if so please rate my solution.

Corporate Computer
Over 21 years of computer and printer support/repair

Posted on Jul 03, 2009


  • 61 Answers

SOURCE: When I set the resolution to 1280x1024, the

IF the screen is wider then try to change the settings from the monitor buttons. We change change the screen size , move it , change brightness,etc.

Posted on Jul 09, 2009

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it is repairable but for the cost of parts and labor you would be better of getting a new 22" LCD monitor
for the problem I would suspect the fly-back transformer or power supply

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When clicking the auto adjust button, the screen shrinked.

if it is an lcd monitor make sure the refresh rate is set to 60hz and the resolution is at least 1024X768 then try to push auto adjust again. To get to the refresh click on the advanced button when the display properties is open.

The shrinked screen with two white vertical line in the middle

B+ line going hi.
probably bad capacitor on hot's collector.
could also be leaky dual diode.
if non of above, look for swollen cap on main board.

Can it be sorted

its old and no monitor this old works.
its older than 2001 year. on or about.
its a vacuum tube CRT relic o f the past.
dump it.
it is a fire hazard this old (dust /lint and 17,000 volts are not friends)
this monitor has this magic I2C chip inside that scans for errors 24/7 if it seen things that can burn up the screen it shut down.
fixing it will cost 5 time the price of a nice LED flat screen used, 17"
why mess with relics?
CRTs are endsville.

the monitor if you attempt to use an ******* resolution of any kind
my reset it self to avoid screen burn, CRTs can burn up.
each maker handles this in a different way,
one shuts off
other just cut the electron beam (Z axis ) to ZERO black screen.
there call there design.
1024 x 768 at 75 Hz, is max.,.. for a fact. so say the manual
try 60 Hz, did you?
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