Question about OWC Mercury (OWCME4121330L2S) PowerPC G4, 1.25 GHz Processor Upgrade

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Moniter problems I purchased a used power mac silver tower 933 megaherts . A few days later my moniter is reading no signal so i try a new moniter the same problem i bought a new vidoe card and its still not working . this has also happened with another g4 tower. I purchased i was wondering if this happens alot and is there something i have over looked

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Hi, have you used the same motherboard in the two towers? sounds to me like you may have a couple of faulty capacitors on the board. Open the case and study the capacitors closely [with a magnifying glass if need be] capacitors fail very often when heated. they are the round components that sit in sets of 5, 6, or more in a row on the board. if any are bulging from the top or bottom, then its time for a new board. Regards mistyman

Posted on Sep 02, 2007

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Posted on Jan 02, 2017

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The monitor for my Dell optiplex 745 computer shows, "no input signal" than proceeds to go to sleep a few minutes later. what can I do to correct this.


1)Make sure the tower is powered on
2)Make sure the video cord from the tower to the monitor is fully connected on each end
3) Check for bent pins on either end of the cable
4)Replace the video cable with a new one.
5)Try another monitor if you have one just to verify you don't have a bad monitor
6) If none of the above works then the video display from your tower has stopped working. Either take it to a computer shop and have them repair it or purchase a video "graphics" card and install it into the computer. That should fix your problem.

If you need further help, reach me via phone at https://www.6ya.com/expert/steven_a67ead41eb5fc62a

Mar 08, 2018 | Dell Computers & Internet

1 Answer

Power/Power-on Issues


First find out if it is a laptop or a tower. If a laptop has to be sure that the power supply is the corresponding purchased, voltage, amps and Hz If not, the motherboard is out and you have to buy a new one. Also it could be that the problem was in the motherboard power connector. An important point when working with a computer or laptop is to be careful with the static and take proper precautions. Either way, and I recommend buying a new PC or laptop would be cheaper.

Sep 07, 2013 | Acer Aspire 5315 Notebook

1 Answer

My emachines tower flashes green and not send a signal to moniter


can you give more info if there is any sounds comming from the tower

Apr 08, 2012 | E-Machines eMachines Desktop PC

1 Answer

Monitor says to check signal cable


get a new power cable for tower/computer. u can call i wat u want. new power cable for computer not moniter. or connection is incorrect. hope it helped.

Dec 05, 2011 | Samsung Computers & Internet

1 Answer

I am not very tech savvy. I purchased a new Mac Book pro and My Passport for Mac 500GB in JUly and have had no problems since my husband accidentally disconnected My Passport while it was in process of...


Use the disk utitlity to repair the disk, when your husband unplugged it while it was attempting a backup, it corrupted part of the disk the disk utility will fix it for you and correct the errors

Apr 02, 2011 | Western Digital Passport WDXML800UE...

1 Answer

Moniter reads no signal but tower light is on


Have you changed your resolution recently? Have you installed any programs recently? Have you made any hardware changes lately? Make sure the monitor is firmly connected to the tower and to the back of the monitor. Is the monitor plugged into the wall outlet? If you have two video ports on the back of the tower make sure you are plugged into the correct one, you may also try switching to the other port. Try another monitor if you are able to or try the monitor on another tower to see if you can isolate the problem to the monitor. Do you get anything appearing on the monitor when you first start the computer up? Have you been using a video card or onboard graphics?

Jan 04, 2011 | Acer Aspire X3400 (2702458) PC Desktop

2 Answers

I see on my screen : no signal input.Check video cable.


if the cpu is working and still getting no signal you need to check the cables from the cpu to the moniter specially the power cable, also try by replacing the power cable with a new one

Sep 24, 2010 | Computers & Internet

1 Answer

Moniter is not powering up.


unfortunately. This is a classic symptom of a faulty inverter board. I would suggest looking on ebay to see is there is a cheap replacement. Purchasing a new one is usually not economical these days.

Jul 11, 2009 | Sceptre x22wg Gamer Monitor

1 Answer

Moniter says no signal


You may need to replace the moniter cord or check the video card on the computer.

May 31, 2009 | Acer Aspire™ T180 PC Desktop

1 Answer

Speakers killed my moniter


Well as you have already tried disconnecting the peripherals from your computer, and tried restarting the computer too which did not help you, it sounds to be an hardware issue with the monitor. However if incase you have not tried this, you can disconnect the monitor completely from the tower, power on the monitor, if it powers on and you get a message as no signal, your monitor is working good. If not replace the monitor. If the message appears on the monitor screen, disconnect everything from the tower, push and hold the power button on the tower for a minute. Connect just the monitor and check for any display. If you do get display, thats good, connect one device at a time and check to see if the display appears.

If theres no display with just the monitor connected, the issue would be with the graphics card. You may need to replace it or get the system repaired.

May 27, 2008 | Dell Dimension 2400 PC Desktop

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