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Blank display , no post , no beep

Upon booting , the PC unit have blank display , no post , no beep ,but the fans are spinning. The Mobo led lights up .

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Either problem wit monitor or motherboard.install with other versions or check wid the motherboard

Posted on Aug 20, 2008

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Why doesn't my Dell XPS 8500 boot up?

hold the power button in for a count of 8 and it should shut all the way down. Then try and turn it back on

If it still does not boot, do you still have a warranty? Could be motherboard gone bad. Usually if it is memory or video your will hear beeps

Aug 05, 2014 | Microsoft Windows XP Home Edition

3 Answers

Everytime i turn on my pc,it beeps 3x(1long then 2short),then black screen so i have to reboot again


Here are the following steps you can try to fix this issue, ive experienced it myself using a dell PC and it works on my end.

You have what is called a No Post No Video Situation.

1: The Modem can cause a No Post No Video. Pull it and see what happens.
If it still does not boot. Strip the System down with nothing on the Board but Power Supply Processor and Fans.
This Includes All Memory, All Cards, All IDE Cables. Hook just the Power up and See if you get Memory Error Codes ( Beep Codes ). If you Do ( And you Should ) then Reseat the Memory ONLY. If you dont more than Likely it is the Power Supply or Motherboard.
If Reseating the Memory back in Memory Bank 0 causes a No Post. Pull the Memory and put the Memory in Bank 1. If it Post then Bank 0 is bad on the Motherboard. If it Dont, You Need Memory. If you have more than 1 stick then try with one or the other and make sure one of them is not bad. If it is Rambus Memory you will need to add both sticks, because Rambus is Required for Pair.
If in Bank 0 the System Posts, add the Video Card and connect the Power and Monitor. You should get Post and Video. If you do not, Video Card is bad.
From there add the Hard Drive IDE and Boot the System. If it does not boot then try the IDE Cable in the CDROM Controller and see what happens. If it Boots then the Controller on the Motherboard is bad. If it Causes a No Post No Video, Hard Drive is Bad.
From there Add One IDE Back at a time and make sure it is none of those drives or Controllers. If you find that one of the Drives is causing a No Post No Video, Try a Known Good Drive. If it Posts and Boots. The Drive is Bad. If it Dont, The Controller on the Motherboard is bad.
After that Add one card back at a time. Find out which one is causing the Issue. Sometimes Reseating everything works fine. If none of these work then You May have Either a Bad Power Supply or a Bad Processor. Also dont forget that you may have had a Surge or Storm and May have Caused a the Motherboard to get damaged.
Dell has a Good Artical on Steps to do for this at

May 30, 2011 | Microsoft Windows XP Professional

1 Answer

Everytime i boot my pc,it beeps 2x,then black screen,so i have to reboot again

The beeping is caused by your computers POST( Power On Self Test - learn something new everyday! ;) )
Find your motherboard manual, and have a look in it for beep codes, or error codes. The number of beeps will let you know what kind of problem you're dealing with.
If all is well in POST, your computer should only beep once, and continue.
Can you get into BIOS at all, or does it just show you your videocard info on bootup, then black screen?

May 27, 2011 | Microsoft Windows XP Professional

2 Answers

1 - 3 to 4 second beep about 4 seconds apart, no boot

motherboard is doing a check and failing something another component either CPU, Monitor or memory usualy) (google search bios beeps for your make/model) to determine what.
if you cant find it, just ensure the above 3 are correctly seated by taking them out and putting them back in again.

Apr 21, 2011 | Operating Systems

1 Answer

I recently downloaded two optional updates for Startup Windows 7 onto my ASUS EeePC 1005. Following download I was requested to restart my PC to complete the installation. Upon restart, I had no display...

Try starting the PC in safe mode (press F8 as it starts) and then restore your PC to a date before you installed the updates.If that fails you must use your windows 7 disk to repair the system or just install it again.....

Nov 04, 2010 | Operating Systems

1 Answer

Alarm on boot (PC)

your computer is failing its POST (diagnostics). open the case and reseat all the cards and memory. make sure your CPU's cooling fan runs when you power up. recheck the disk drive cables and power connectors. good luck!

Jun 14, 2009 | Microsoft Windows 95 + Internet Explorer...

1 Answer

I dont know what to call it but,, before it boot up a pixel crash appears

try changing the memory before you do anything else..

Apr 30, 2009 | Operating Systems

2 Answers

My system is does not display

Aside from the obvious, to check the power switch on your monitor, check the power connection to the monitor in back of monitor and at power source, check power source is good, and check to see that the video cable from the monitor is firmly connected to the computer.
If this series of checks reveals nothing, you could try: Shut down computer, unplug the video cable from the back of the computer start computer, then shut down and replug it in, then rebooting your system.
If this fails, you need to check the monitor on another working system or check another monitor on your system and determine whether the monitor or your system settings are at fault.
Let us know what you discover.

If this information solves your problem, or answers your question, please take just a moment to rate this post...thanks!!

Mar 30, 2009 | Microsoft Windows XP Professional

1 Answer


3 beeps - Base 64 K memory failure

  • Reseat the memory.
  • Make sure that the contacts on the memory and the socket are clean.
  • Try removing one bank of memory modules at a time. Note: Some systems might need to have a memory module in Bank 0.
  • Try using RAM chips from the same manufacturer with the same part number and speed.
  • Check for a faulty memory module by trying the memory in a known good system.
  • Trying known good memory in the system.
  • Check the power supply and check for power fluctuations.
  • Swap the motherboard.
This does not apply to all mobo's. can you tell me the brand and model of your mobo (motherboard)

May 04, 2008 | Microsoft Windows XP Professional With...

3 Answers

Windows xp boot issue

Have you got your WindowsXP CD? You could put it in the CD drive and let it boot from CD. Then select "r" (Repair Option). This will attempt to re-install your xp without losing data. (Not always possible) If you have no data on the drive that you want to keep then you could ignore the repair install and try the full re-install. you will need your motherboard drivers etc for this. It sounds like your Boot records or system files are corrupt.

Aug 29, 2007 | Microsoft Windows XP Professional With...

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