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Dell Monitor UltraScan P1110
( DELL P1110 monitor too bright )
brightness and bright greys repair
- step by step solution

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Dell Monitor P1110.

My Dell monitor P1110. With very nice features.

But - as time goes by- it started to have a brightness problem, resulting in bad picture quality. It was impossible to reduce brightness and it resulted in bright grey in black areas in pictures.

This repair tips restore the brightness and color back to how it originally was.

This is my -easy to follow-"picture" -story...

High Voltage Warning

WARNING! - Please Read this Information Carefully:

The projects described in these pages utilize POTENTIALLY FATAL HIGH VOLTAGES. If you are in any way unfamiliar with high voltage circuits or are uncomfortable working around high voltages, PLEASE DO NOT RISK YOUR LIFE BY BUILDING THEM. Seek help from a competent technician before building any unfamiliar electronics circuit. While efforts are made to ensure accuracy of these circuits, no guarantee is provided, of any kind!

USE AT YOUR OWN RISK: THE WEBMASTER, PROJECT COORDINATOR, PROJECT CONTRIBUTORS AND WEB SPACE PROVIDER EXPRESSLY DISCLAIM ALL LIABILITY FOR INJURY OR PROPERTY DAMAGE RESULTING FROM THIS INFORMATION! ALL INFORMATION IS PROVIDED 'AS-IS' AND WITHOUT WARRANTY OF ANY KIND.

link to a Safety Info Document

This is the problem

It looks like this...

before fixing

(I forget to take a photo of the faulty monitor,
this picture is a fake, by it shows the problem)

To repair the monitor, place it on a table, with the screen down.

Step 1: Removing the Monitor plastic case

before open: Unplug the monitor (remove AC cord) and wait at least 24 hours for discharge off high voltage inside the monitor.

To remove the monitor case, turn it with the screen down on a table.

At the bottom of the monitor, there are 2 screws.

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They are holding the back side of the the monitor case.

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Remove this two screws.

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At the top of the monitor thera are two plasic tabs (inside the case).

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Press with a screwdriver and at the same time, move the case upp.

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Remove the plasic case and it look something like this.

At the top (the back of the monitor) there is a small metall case.
(A part of the RF Shielding around the monitors electronic components.)

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Step 2: removing a part off the RF shielding

At the top (the back of the monitor) there is a small metall case.
(A part of the RF Shielding around the monitors electronic components.)

Remove this metall case. Starting with removing all screwes.

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Remove the metal shield by pressing it away from You.

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Step 3: locate resistor R459

Inside there are two PC-boards.
Solder-side to You.

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Locate resistor R459.

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Locate resistor R459 -yes.

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You can see a part of R459 on the other side of the PC-board.
(On the component side)

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R459 value

Worldwide delivery : all shipment included : 10 US$ : payment by PayPal

P1110 Resistor Kit, with 3 High Voltage resistors:
4,7 MOhm (4M7), 5,6 MOhm (5M6) and 6,8 MOhm (6M8)
- and also including solder tin wire and resistor color-code instructions...

Order Resistor kit: --> US $ 10		With this resistor kit You can restore the monitor brightness and color back to how it originally was. read some feedback from our customers
Click on the PayPal icon, and pay 10 US$ ...and pick them up in your mailbox in 4-7 days

Just for fun- ( You don´t need to do this momemt)
I measure the value of R459 (with OHM-meter )

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Resistor R459 nominal value are 10 Mohm.
I messured 9,89 Mohm (9M89).

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Step 3: Make R459 lower (resistanse -Ohm) value

To regain the original quality of the P1110 monitor,
we are going to substitute ther original R459 (10MOhm)
with a resistor in the range of 4,7 MOhm (4M7) to 6,8MOhm (6M8).

Lower value result in darker monitor

I selected 5.6 MOhm resistor (5M6)

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Worldwide delivery : all shipment included : 10 US$ : payment by PayPal

P1110 Resistor Kit, with 3 High Voltage resistors:
4,7 MOhm (4M7), 5,6 MOhm (5M6) and 6,8 MOhm (6M8)
- and also including solder tin wire and resistor color-code instructions...

Order Resistor kit: --> US $ 10		With this resistor kit You can restore the monitor brightness and color back to how it originally was. read some feedback from our customers
Click on the PayPal icon, and pay 10 US$ ...and pick them up in your mailbox in 4-7 days

I unsolder the right "leg". And remove the solder using a Vacum Solder remover.

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Unsoldered (right leg) original resistor R459.

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Unconnect original resistor R459.
By bended down the resistors right leg.

!!! An other way to remove the original Resistor -cutting off R459`s both component legs...

Insert a new Resistor.

By bending the original resistor down,
I got a nice mounting hole for the right side Resistor leg.
The left side is just soldered to the original resistors left legs