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What is the best refresh rate for the suncmaster 912n?

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60Hz

Posted on Dec 24, 2008

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My optiplex 320 is making two high pitched beeps on starting boot, also im not getting anything on the monitor


James,
It sounds like the refresh rate is set to high. Since you do not mention what OS is installed I have listed information on how to change in Windows,XP.
Start the computer and press the F8 key. Choose Safe Mode. Once the system gets into Windows follow the steps below and then restart the computer. If this does not resolve your issue email me at my email address below and include your OS information.

How to Change the Screen Refresh Rate of Your Monitor

  1. Click Start, click Control Panel, click Appearance and Themes, and then click Display.

    Alternatively, right-click the desktop, and then click Properties.
  2. Click the Settings tab, and then click Advanced.
  3. Click the Monitor tab, and then click the screen refresh rate that you want to use.
NOTE:
  • The default refresh rate setting is 60 Hertz (HZ); however, your monitor may support a higher setting. Check your manufacturer's documentation for information about the settings that your monitor supports.
  • If you use a higher refresh rate, you can reduce the rate that your screen flickers; however, if you specify a refresh rate that is too high for your monitor, your screen may become unusable and your hardware may be damaged.
  • Changes to the refresh rate affect all users that log on to the computer.
Or your system is giving off a beep code in which case the beeps come in a 3 beep sequence. Below is the beep codes and what each represents.Beep Codes

Troubleshooting steps and more information about the OptiPlex 320 beep codes Beep Codes Code Cause 1-1-2 Microprocessor register failure 1-1-3 NVRAM 1-1-4 ROM BIOS checksum failure 1-2-1 Programmable interval timer 1-2-2 DMA initialization failure 1-2-3 DMA page register read/write failure 1-3-1 through 2-4-4 DIMMs not being properly identified or used 3-1-1 Slave DMA register failure 3-1-2 Master DMA register failure 3-1-3 Master interrupt mask register failure 3-1-4 Slave interrupt mask register failure 3-2-2 Interrupt vector loading failure 3-2-4 Keyboard Controller Test failure 3-3-1 NVRAM power loss 3-3-2 NVRAM configuration 3-3-4 Video Memory Test failure 3-4-1 Screen initialization failure 3-4-2 Screen retrace failure 3-4-3 Search for video ROM failure 4-2-1 No time tick 4-2-2 Shutdown failure 4-2-3 Gate A20 failure 4-2-4 Unexpected interrupt in protected mode 4-3-1 Memory failure above address 0FFFFh 4-3-3 Timer-chip counter 2 failure 4-3-4 Time-of-day clock stopped 4-4-1 Serial or parallel port test failure 4-4-2 Failure to decompress code to shadowed memory 4-4-3 Math coprocessor test failure 4-4-4 Cache test failure
Thank You,
Dell-Jesse L
Dell Social Media and Communities
email jesse_leonard@dell.com

Sep 18, 2013 | Dell PC Desktops

Tip

How to adjust or change a monitor's refresh rate.


If you've ever used a CRT monitor, you know that fine-tuning your refresh rate is essential. The refresh rate of a display is measured in Hertz (abbreviated Hz) and specifies the number of times per second that a display is illuminated.<br /> <br /> Setting the refresh rate to 60 Hz - a common default value - tells the monitor to redraw itself 60 times per second. For most people, that setting on a CRT monitor is too slow, resulting in an annoying flicker that can cause headaches, eyestrain, and fatigue. Bumping the refresh rate to a higher number can reduce that flicker, as long as the monitor itself can handle the faster rate.<br /> <br /> If you're using an LCD monitor then a safe refresh rate lies in the 60Hz-75Hz range. A greater refresh rate when it comes to LCD's means greater performance.<br /><br /> <b><u>How to adjust the refresh rate</u></b><br /> Firstly you will need to right click on your desktop background and select <b>Properties</b>.<br /> <img src="slasher_x_72.JPG" /> <br /> This will display the <b>Display Properties</b> window as show below.<br /> <img src="slasher_x_73.jpg" /> <br /> You will need to click the <b>Settings</b> tab.<br /> <img src="slasher_x_74.JPG" /> <br /> Once in the <b>Settings</b> tab you will need to click on the <b>Advanced</b> button.<br /> <img src="slasher_x_75.JPG" /> <br /> Then click on the <b>Monitor</b> tab.<br /> <img src="slasher_x_76.JPG" /> <br /> Here you can change the screen's refresh rate. Make sure the box next to <b>Hide modes that this monitor cannot display</b> is ticked. After you have selected the refresh rate you wish click <b>OK</b>. It would be a very good idea if you have the user's manual for the monitor handy just so that you can see what the manufacturer suggests the refresh rate should be set to.

on May 31, 2011 | PC Desktops

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Monitor not coming on although windows logo shows up for a while. Then screen goes blank.


try booting into safe mode on your case, and try chagning the settings of your video card check the Refresh rate of your video card settigns, if you have win7 on your machine right click on the desktop left click on personalize
then left click on Display,
then click on Change Display Settings,
Click on Advance settigns,
click on Monitor TAB, you will see refresh rate, standard refresh rate would normaly be 65Hertz on standard monitor on LCD's it can be 59Hertz below.

After changing the settings in safemode restart you machine check in normal mode if your system will show video properly on the screen.

Feb 21, 2011 | Toshiba PC Desktops

1 Answer

I have a acer AX-1200 that worked fine for 2 years, now it won't boot up, it will show the loading bar and then eventually go to a message "Mode Not Supported" screen. i can after a long wait go...


VGA modes are old VESA standard video modes that are supported as legacy modes on most graphics cards. In general, on modern graphics cards, they have variable refresh rates so as not to cause problems with monitors that can't handle the lower refresh rates frequently associated with VGA modes. Sometimes, graphics cards do not adjust the refresh rate for the monitor, and this can cause problems of minimum refresh rate being exceeded. The LCD monitor possibly has a very strict minimum refresh rate, and thus cannot handle the VGA mode on its standard refresh rate as sent by the graphics card.

Dec 09, 2010 | Acer Aspire X1200-B1601A PC Desktop

1 Answer

Out of range ,when the monitor on position with in 5 min


change the refresh rate, goto screen settings and find option for monitor refresh rate lower the hertz down by one, hope this helps

Nov 29, 2009 | Lenovo 3000 N100 0768 - Pentium Dual Core...

2 Answers

Monitor flickers


Goes in the config panel, in display section, then the parameter tab, chose advance button.Then usually under the monitor tab, you'll find a refresh rate settings. Try 70hz setting. Also some time not using the protected ''power bar'' and connecting direct to wall helps alot. Let us know!

Oct 10, 2009 | IBM NetVista X41 PC Desktop

2 Answers

I've got a dell computer and i'm trying to swap the crt screen to a packard bell lcd screen and it wont display is there a driver i have to get or are they just not compatable


It probably a mismatch between resolution, colour depth and refresh rates. Before you disconnect the CRT change the resolution to 640x480 and 16 colours with a 60Hz refresh. Then connect the LCD and adjust the settings

Aug 29, 2009 | Dell Dimension 4600 PC Desktop

1 Answer

My computer will not stop showing my monitor menu


What kind of monitor? Most likely it is showing a display that you need to optimize your resolution / refresh rate or something... There might be an option in the monitors built in menu to disable alerts like that but I doubt it... The best solution is do what the monitor is telling you and change the resolution or refresh rate accordingly.

Dec 11, 2008 | Acer Aspireā„¢ T180 PC Desktop

1 Answer

After reformatting my hard drive, my screen is slow to refresh when scrolling


adjust the refresh rate... right click on the desktop go to properties then settings tab. click advance then look for refresh rate... adjust this to a higher value

Sep 06, 2008 | PC Desktops

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