Question about Compaq fs740 17" CRT Monitor

Monitor keeps turning on and off

Just bought a used Compaq Presario. The monitor keeps turning on and off. I have checked all connections and tried different power cords. Still the same.

Anonymous Nov 16, 2007

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Compaq Master
12,061 Answers

OK All these Compaq's have a Power Supply problem, or a Horizontal Voltage problem.. meaning they are on the way out. The SMPSU's in these units often fail along with the Horizontal Drive Circuitry. I think it is time for a new one? Repair of such a unit would barely be "Ecconomical" IMHO.

Posted on Jul 24, 2007

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Yes it could especially when it does not work on another monitor.
Try another video card.

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Unplug all the Cables from Compaq Presario 5103 CL and leave the Keyboard, mouse and monitor cable pluged in.

Now make sure the power cable of the monitor should be pluged in and the power cable of the tower should be pluged in.

Now to check if the montor is fine just unplug the video cable only which will show no input signal on the screen. If it shows this signal the monitor is fine. Plug back in the video cable.

If the monitor is going to sleep mode it might be possible that the old computer ( Compaq Presario 5103 CL ) is in stand by mode. hit any key on the keyboard and it should come back .

If it is not in the stand by mode then do one thing. Check the same monitor with the new computer. If it is working. Perfect ..!

Do one thing now ..!

Unplug all the cables from your old system and then press the power button for 30 sec and let it go. Now plug the keyboard, mouse and the monitor try again.
If it works Perfect. If not ..!

Then you need to open the tower and check on the processor FAN is it running..? If its not running you will not get the display as the fan is responsible for the display on the screen. Otherwise...!

Check the Tower possibly the Tower is not getting the power.

Try these steps and let me know If it works

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I have a compaq presario s3040se desktop the monitor quit

Try turning on the monitor before the Compaq system box, if Win is doing what it should, it will 'find' a 'new device' and reinstall the drivers for it. It may not look right but you can change the resolution after it boots up.

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Do you see the BIOS splash screen or anything?
Try booting into safe mode by pressing F* as soon as you power on the computer. If the monitor works, then it is a bad driver. Roll back to a previous restore point, boot to last known good coonfiguration. Last Known good configuration is available from the same as the safe mode screen.

If this is helpful, please comment and rate. Have any other questions, please let me know.

Oz

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Try changing the VGA cable or the other cable you are using.......

If that does not resolve your problem and that the monitor is good it means that your desktop's graphic card is damaged.....

Try replacing the graphic card or if it is an internal one..... add one in your agp or pcie slot

Regards :)

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You may have to find the driver for this monitor before connecting the new monitor up. Go to the manufacture of the monitor and search in the support area for downloads and drivers. Load the driver then connect your new monitor up and see if it works. If not, then use a good monitor to power up first. Then, with computer on, put new monitor on and see if it will locate a driver.

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Check if the monitor does required a HDMI connection to connect back of your tower ..

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Monitor keeps turning on and off

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fs740 17" CRT Monitor

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Open Questions:

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When I log in there is a blue box says Sata is locked and when I enter the password it says that it’s incorrect. When I try to click ctrl+ alt + del still the same erro. I am getting no bootable device error as well. How to fix this ?

I’m looking for a manual or some help setting a B M equipment 377 BUEM 1647 watch. Can someone give me instruction or a contact for company? Ha ha the name of the company is offensive to the site. I am having trouble setting the digital part as I don’t deal with digital often. Thanks

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Monitor keeps turning on and off

1 Answer

electronic & computer repair& servicre

Add Your Answer

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Related Questions:

Why does mycompaq presario 5000 when connected to my monitor , the monitor keeps saying check my computor pc and check signal cable?

HP Compaq Presario turns on monitor stays blank

My monitor has kicked into sleep mode and won't "wake up".

I have a compaq presario s3040se desktop the monitor quit

Black Screen Compaq Presario

Sr1720nx compaq presario no signal to monitor

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LCD Monitor stays on 4 bit resolutionm

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Not finding what you are looking for?

fs740 17" CRT Monitor

Why does mycompaq presario 5000 when connected to my monitor , the monitor keeps saying check my computor pc and check signal cable?

Open Questions:

Windows 10 Update Stuck at Checking for Updates Windows Update has been stuck for 2 days. It keeps refreshing forever and shows nothing. I tried the Windows Update Troubleshooter, and it's been "Checking for pending restart" forever. Does anyone know how to resolve this? Thanks!

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When I log in there is a blue box says Sata is locked and when I enter the password it says that it’s incorrect. When I try to click ctrl+ alt + del still the same erro. I am getting no bootable device error as well. How to fix this ?

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