Question about HP Pavilion a1120n (PX759AA) PC Desktop

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My computer cant turn on and its making noises

Just today my computer is failing to start, and its making noises when i try to switch it on. the monitor is not working

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Dear! If the CPU creates a beep its means that your CPU have a RAM problem then moniter does not give display. So change your Ram's slot and put RAM in other slot that is availabel and try again to start the PC. It is very possible to solve your problem and if problem will remain same you should change your RAM. Your problem 100% solve.
Thank You

Posted on Jul 29, 2009

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Try to unplug the cables from the CPU to the monitor.Unplug power cable. Press the power cable for 30 seconds. Do the same to your CPU as well.

Try to replug the cables back and kindly comment with the results. Check for any optical disks in the Optical drive and remove all the USB devices attached to the system.

Kindly comment whether you see any thing on the monitor or you see nothing at all?

If you see nothing I would suggest you to try your system with another monitor. If it works try with a different cable with the monitor and check if the monitor works. Try a different power cable. If none of these works then I would suggest you to call the monitor manufacturer for a replacement.

If the system does not work with another monitor then the issue is with either the Main board or the Graphics card. If the graphics card is external card then you can reseat it which is located in the PCI slot else the issue is with the main board and again the manufacturer needs to contacted.

Posted on Jul 29, 2009

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Did you your CPU Fan inside, that's the one who make some noises inside.
If your computer is failing to start then check CPU inside, all the peripherals double check on it. From VGA Card, Memory and other devices, maybe its not properly connected inside. Good luck!

Posted on Jul 29, 2009

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Posted on Jan 02, 2017

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Monitor clicks, pops, or makes other noises. Issue: Monitor clicks, pops, or makes other noises.
Cause: This issue could be caused by any of the below possibilities:
  1. Monitor degaussing.
  2. Monitor changing resolution.
  3. Monitor syncing with the video card.
  4. Monitor warming up.
Solution: Noise when turned on or off It is normal for standard computer CRT monitors to make a click, pop, crackle, hum, buzz, or other type of noises when they are first turned on or turned off.
Noise when monitor goes into standby mode When the monitor enters a "standby mode" or "power savings mode" this is similar to the monitor being turned off. It is completely normal for the monitor to make a noise when the monitor enters this mode.
Noise when opening Microsoft Windows or other operating system or when opening a game When a computer opens its operating system, for example, a computer opening Microsoft Windows or when a user runs a computer game it is very common that the monitor will need to switch its resolution of the operating system or game. When switching resolutions it is normal for the computer monitor to make some type of noise and/or for the computer monitor to flick or flash.
Noise during normal operation If the computer monitor click, pops, or flashes while it is being used this is not normal operation. It is very likely that the monitor may be failing or a component within the monitor has already failed and could also potentially be a fire hazard. We highly recommend that the monitor be repaired, replaced, and/or looked at by a qualified technician.
Additional information:
  • See document CH000302 for additional information and other noises that may come from

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