Question about Dell P793 17" CRT Monitor

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Required cct dgm moniter p793 - Dell P793 17" CRT Monitor

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Green back ground screen no showshave to natural color

Posted on Jul 25, 2010

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Posted on Jan 02, 2017

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Trying to activate Dell P793 moniter using pc


If the monitor shows Power Saver Mode, or Sleep Mode, or No Signal; it is because it is Not receiving a Video Signal from the computer.

The monitor cable is bad, or the computer is not working.

http://support.dell.com/support/edocs/monitors/p793/En/specs.htm

http://support.dell.com/support/edocs/monitors/p793/En/index.htm

http://support.dell.com/support/edocs/monitors/p793/En/trouble.htm

The main problems with desktop computer failure is;
1) Computer is dirty inside
2) Power Supply failure
3) Ram Memory module/s ('Stick') are loose. Power unplugged from computer; FOLLOW Anti-Static Precautions; the Ram Memory module/s are removed, THEN reinstalled. Visual inspection WILL NOT DO.
(Also the gold plated contact pins should be cleaned with a pencil eraser. BOTH sides, ALL contact pins. Use air to remove eraser dust)

Just because you may see LED lights light, and Fans spin; means NOTHING.
Does NOT indicate the Power Supply is good.

A) If ALL of the LED's, (Light Emitting Diodes), were on at once, they would use less than 1 Watt of power.

B) EACH fan uses 2 to 3 Watts of power.

C) A typical Processor can use from 51 to 125 Watts of power. Just depends on what Processor it is. (Older Intel Pentium III's, and AMD Athlon's use less than 51 Watts of power)

This is why a Power Supply with a weak voltage power rail, can light LED's, and spin fans; but NOT have enough power to turn the Processor on.

[There are 3 main voltage power rails.
The Switched-Mode Power Supply (SMPS) in your computer is a Converter.
Converts high AC voltage, (100 to 240V AC) to 3 main low DC voltages;
3.3 Volts, 5 Volts, and 12 Volts. (DC)
In comparison two D cell flashlight batteries produce 3 Volts DC,

http://en.wikipedia.org/wiki/Computer_power_supply#Wiring_diagrams

http://en.wikipedia.org/wiki/Computer_power_supply

http://en.wikipedia.org/wiki/Switched-mode_power_supply

Suggestion is to test the 3 main voltages coming out of the Power Supply, with a multimeter set to DC Voltage.
You can buy an inexpensive multimeter that is plenty good enough for this job; for around $5 to $12.

OR;
Borrow a KNOWN to be good, Compatible power supply from a working computer; and use it temporarily for a test unit ]

If you are getting a video signal, and it is scrambled/distorted, post back in a Comment.

For additional questions please post in a Comment.
Regards,
joecoolvette

Dec 11, 2012 | Computers & Internet

2 Answers

I CARNT DOWNLOAD FROM THE PLAYSTORE FROM MY DGM T-909 TABLET


Other Customers of DGM have had the same problem and contacted DGM customer services only to be told that a fix was due soon. I was not happy with this answer and returned mine to Ideal World

Sep 29, 2012 | Locks & Locksmithing

1 Answer

Can u give me a code for sky remote control to a dgm tv model no ltv 4065wh please


I too am looking for the sky code for this DGM model. The DGM website doesn't have it listed - so I called DGM customer services and they advised that they are being updated and I should keep checking back. However after googling for the answer I have found that the question on this model has been being asked for months - so I don't hold out much hope for a resolution in the near future.

Aug 06, 2010 | Televison & Video

1 Answer

DGM screen monitor problem ''22


the light blinking makes me think that the moniter is going in to sleep mode...try turning the computer on while the moniter is not pluged in(pull the blue vga cable) wait a bit then move the mouse around then plug the vga coble back in...(while the screen is already on)

Jul 09, 2010 | Computers & Internet

1 Answer

I have dell p793..i need to know what`s year it be manfactured?


Made around 2001, look at the tag in the back, there should be manufacturing date.

Jan 08, 2010 | Dell P793 17" CRT Monitor

1 Answer

Require cct dia for Jewel ac adaptor model js-12060-3k Need to replace soldered in FS1 fuse (230V 2Amp rating). Where can I obtain a replacement fuse.


Ok this is weird but ill point you the right direction.

At radioshack there should be a good supply of fuses and electronic resisters. You may find one at a TV repair shop also . Or you might get them too send you one from web purchase.

Oct 18, 2009 | Computers & Internet

1 Answer

Dell P793


Check condesators that connect to G2, normally they are two 1nF 2kV. Replace them and will work

Apr 10, 2007 | Dell P793 17" CRT Monitor

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