I turn on but 9 beeps and display blank

i turn on my macbook pro but 9 beeps and display blank

Beeps when you turn your system on means there is a memory issue. The memory might be bad or missing or the wrong memory for the system or could indicate a logic board issue. The first thing you should do is to reseat the memory. Take each memory card out and put it back, then try to boot your system. If that doesn't work, and you have an alternate set of known working memory, perhaps from a friends MBP (with the same memory), try that. If that doesn't work, then your system needs to be taken to your local Apple store or Apple Authorized Service Provider.

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When system is switch on(poweron) long beep and display is coming after hour

hello sir
when system is switch on(poweron) long beep and display is coming after hour
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Hello @anandgopinainar,
I am not quite sure what you are trying to say here. I would be happy to assist you, but first I would encourage you to post your product number for your computer. I am linking an HP Support document below that will show you how to find your product number. As with this I can provide you with accurate information.
How Do I Find My Model Number or Product Number?
As well if you could please elaborate on what is going on so that I understand it would help as well.
Please re-post with the requested information and I would be happy to provide you with assistance. Thank you for posting on the HP Forums. Have a great day!
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I am having alot of trouble i want to use imessage but everytime i turn it on it turns on but doesnt work and it says verifying but its verifying my old number and i need it to verify my new number but it wont let me

i am having alot of trouble i want to use imessage but everytime i turn it on it turns on but doesnt work and it says verifying but its verifying my old number and i need it to verify my new number but it wont let me

You can likely download the last compatible version by:
Starting when iOS 7 was released, Apple now allows downloading the last compatible version of some apps (iOS 4.2.1 and later only)
App Store: Downloading Older Versions of Apps on iOS - Apple Club
App Store: Install the latest compatible version of an app
You first have to download the non-compatible version on your computer. Then when you try to purchase the version on your iPod you will be offered a compatible version if one exists.

My hp pavilion dv4 screen wont turn on but the cap, and num lock blink

My Hp pavilion dv4- 2145dx and my laptop screens stays black but the key board stays on like the caps lock and the number lock, the mouse, volume, and the wifi light they all turn on and so do the fans but the caps and num lock blink every second at this point i dotn know what to do can anyone help

Hi,
First, try a Hard Reset as follows.
Shut down the notebook, unplug the AC Adapter and then remove the battery. Hold down the Power button for a full minute. Re-insert the battery, plug in the AC Adapter and see if the notebook will start.
If it still doesn't start, is there a sequence to the 'blinks' that you can match to the table below?
Regards,
DP-K
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Microsoft MVP - Windows Experience

HT4623 I did the update and once my screen had the little apple and it was loading i waited, then it started to turn on, but it stopped and now it has a little plug and a arrow pointing to a sign that says itunes. I do not know what to do.

I currently am having a problum with updating my Ipod. I waited until I saw the apple and the loading sign. Once it started to turn on it suddenly stoped and my screen suddenly showed a plug and an arrow pointed tword a music note that said Itunes underneath it. I tried charging it. I tried pluging it into my computer and going on Itunes. Nothing is working.

Does the iPod appear under devices in iTunes? If so restore the iPod via iTunes

When my friend sends me a video chat request on ichat my cam light turns on, but the cam and the request dont show up. i have a macpro with os x lion

when my friend sends me a ichat video chat request, my cam light comes on, but my cam, nor hers, nor the request she sent shows up, nor does it make the ringing sound when a call is coming in. also it says she is in another chat but shes not. and when i send the request my cam comes on, but she doesnt get the request. i have a mac pro with os x lion.

Your HD may be crashed, so you probably should use the oringinal install discs to run Apple Hardware Test in extended mode. If error codes appear this confirms a hardware failure. In addition you cannnot repair the HD using Disk Utility from the startup disk, you have to use the origninal Install discs that shipped with the computer or the most up-to-date version of OS X on a disc that you have.

HP Envy M6, Fan Turn off after 2 seconds, No Display, Blank Screen with Light

Hi,
I have HP Envy M6 15" Laptop with Intel Core i5,
Few days ago, I get a problem with my laptop, below are the symptome when I push my laptop power button:
1) Screen backlight on but no display on screen
2) Fan turns on for 2 seconds, and then turn off
3) Power light stay on as long as I again push the power button again
4) Wifi light turn "Orange"
5) Harddrive, and DVD drive shows sign of power-on for the whole period, even I can eject the DVD tray...
But get no display on screen, even when I connect with external screen, and fan stays off.
Can i get any help from experts out there?
Thanks
Sohaib

@SohaibAfzal
Have you tried connecting an external monitor to your notebook, to see if there is a display?
Since your computer does not automatically shut down again until you press power again, it is possibly the display itself that is the problem.
Troubleshooting Black Screen Displays with No Error Messages During Startup or Boot
When it does start up, are there any repeating flash patterns on the LEDs or beep patterns?
Computer does not start and the LEDs blink or the computer beeps
Here are some other sources I found that may be helpful to you.
Resolving Problems with Notebook Displays (Windows 7 and Windows 8)
Resolving Problems with the Brightness of the Display
Diagnosing a Liquid Crystal Display (LCD) for Damage
This page is more informational about displays, for your reference.
About LCD Panel Defects and Terminology for HP Pavilion or Compaq Presario Notebook PCs
Malygris1
I work on behalf of HP
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N81 turns on but nothing happens... blank screen

Hello ppl.
My mom was on vacation and brought me a Nokia N81 and i just thought Oh gosh cool! But... just a days from having it, it won't show anything on the screen. Its the second time but the first time i just turned the device off and problem resolved. Now days after that I used the cellphone for alarm, downloaded OVI store and created a N-gage acc. Just got back from school and the cellphone has blank screen, I hard restart it but anything. It just turns on and it doesn't show anything more and makes a *beep*.
Really guys I need some help here because its just new and it would be a waste :/

Oh god... warranty. Are you kidding me? From China to Panama... How am I suppose to use my warranty from Panama. This complicates things more. And yes, I have tried turning on the phone without and with SIM and I haven't figure out where is the memory card. Maybe an electronic shop could fix it?

Presario v6000 note book turns on but black screen and fan only

presario v6000 note book turns on, fan works but screen is black. No beeping sounds or blinking lights. Lights by numbers are on . Had new motherboard installed by repair store twice. Worked for a few days and now doing the same thing. Any suggestions please??

Hello kkelly342,
I see that you are having a start up problem with your computer. I have a couple of suggestions that may help with this issue.
Here is a link to some troubleshooting steps for blank screen issues on start up. Follow the steps in the link and let me know what happens.
Have you tried on an external monitor?
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Facebook vibration and sound setting turned off but still vibrating and making sounds

Even though my Facebook vibration and sound settings are turned off on my Iphone, I still am receiving a vibration and sound everytime something happens in facebook. This only recently started happening.
I have tried uninstalling the FB app and reinstalling it but still happening

If you are having trouble keeping your fan from operating quietly, I recommend smcFanControl: http://www.eidac.de/
This is a program that runs in the menu bar, where you can manually regulate the power and temperature of your computer. I have had some problems where if I have it on low and I am using it on a bed or carpet, it can overheat without the fan kicking in to cool it down.
If you need to replace, the new Macbook Pro with Retina Display has a phenomenal cooling system that I highly recommend.

My iPad 2 turns on but nothing works and turns off in about 5 seconds.

Why does my iPad 2 turn on when I open it but none of the features work then it shuts off after about 5 seconds. It shows the box "Not enough storage" but the close nor the Settings will do anything. The sliding arrow blinks but I can't slide it to open. The clock is always on time. It's like it's frozen to that. Please someone help!

irene1943 wrote:
... my iPad 2 turn on when I open it but none of the features work then it shuts off after about 5 seconds. ...
The Basic Troubleshooting Steps are:
Restart... Reset... Restore from Backup... Restore as New...
Restart / Reset
http://support.apple.com/kb/ht1430
Backing up, Updating and Restoring
http://support.apple.com/kb/HT1414
If you try all these steps and you still have issues... Then a Visit to an Apple Store or AASP (Authorized Apple Service Provider) is the Next Step...
Be sure to make an appointment first...

T30 Four cycles of four short beeps and a blank screen

I know this is a security issue. What i dont know is how to actually clear the fault.
Does anybody know how to unlock this so the laptop can be used again.
Thanks
Paul

Paul, welcome to the forum,
In the Hardware Maintainance manual (p. 58 of pdf), it states against the beep code under "FRU or action, in sequence" that the only action to take is to replace the "System board (IBM security chip).
Sorry, but it seems there is no other option.
Andy ______________________________________
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Checking value and displaying blank instead of null

Hi,
I was wondering how do I check in the code if the value is null then display a blank as suppose to displaying the word null??
what I have now is:
column1 column2
24 null
want
24
I've tried:
if ("".equals(string))
out.println(" ");
if (string.equals(""))
if (string.equals(null))
thanks,
Will

Use s == null to test if the String s is null, then if yes, replace it with the blank string "". See the code bellow:
class MyString {
    String[][] sa={{"column1", "column2"},
             {"24", null},
             {"want", "24"},
    public String toString() {
     String result = "";
     for (int i=0; i < sa.length; i++) {
         for (int j=0; j < sa.length; j++) {
          if (sa[i][j] != null) {
          result += sa[i][j];
          else {
          result += "";
          result += "\t";
     result += "\n";
     return result;
public static void main(String[] args) {
     MyString ms = new MyString();
     System.out.println(ms.toString());

KT2 Combo beeps and then powers down with XP2400

Hi all I could really use some advice here.
I bought an XP2400 Tbred cpu for this system and it never worked. I ended up returning it since it I think it was DOA. But I wanted to confirm it. The 1GHz Duron I have in it runs perfectly.
This system has a 100/133MHz jumper so when I installed the XP2400 I first removed the old 1GHz Duron, I then cleared the bios and set the jumper to 133 and then turned it on. Upon booting up it beeped 2 times VERY quickly and then shut down. One normal beep and one quiet beep you could barely hear but was there. No matter what I tried that's all it would do.
I have an Antec SL350 which does 35 on +5 16 on +12 and 28 on +3.
http://www.antec.com/specs/sl350_spe.html
With only the cpu
2 sticks of 256MB PC133(I tried a single working DDR2100 stick as well)
NO drives connected
and an old PCI video card( I started with my FX5200 but went PCI to test)
I know the mobo supports up to 2600+ 266MHz bus but with the XP2400 it just turned on, never POSTED, beeped and then turned off. My other system, a K7TPro2, is chock full of gear and an XP2000 runs fine with a lesser supply.
Was the xp2400 DOA or is there something amiss in my system? Ie does anyone know what those two short beeps were. If my Power supply is indeed weak what should I go with? A Xp2100? Many thanks for any help here as I need to order a new cpu but I'm afraid I'll run into the same problem if i order another 2400.

Wow, thanks for all the quick responses.
Dr Stu, No ,100MHz made no difference and my K7TPro2(not A) would not support it. I have nowhere else to test it so I RMA'd it.
osnavi, as others pointed out its actually a decent power supply. I've seen plently of reports of people running this class and faster CPU on my Power supply, especially considering I stripped the board when I was trying it out. It is of course possible that my Antec has bad CAPS or is dying, but nothing else points to that.
Grayone, nice link. Your right, too bad it never stayed powered up long enough. At best it was one clear beep and part of a 2nd one, but that was it. It powered down within a few seconds every time I turned it on.
My main concern is which cpu to buy. Since this is my HTPC and its running Windows Media Center 2005 I wanted to get the fastest CPU possible. That's why a XP2400 seemed perfect. Now I guess I need to see if I can find an old XP2100 so at least I can cross test it in my other motherboard.
Still though, its always going to bother me that I'll never know if it was my motherboard or the actual CPU that was the problem. Thanks again.

Keep getting your computer is at risk message automatic updates are turned on but have to do it manually every few hours

I keep receiving on my computer this message 'your computer is at risk'. The automatic updates are turned on but not working and I have to do the updates manually every few house. Advice required

There is a compatibility check done via the update URL if the extension isn't compatible.
*https://versioncheck.addons.mozilla.org/update/VersionCheck.php?reqVersion=2&id={GUID}&version=XXX&maxAppVersion=7.0.1&status=userEnabled&appID={ec8030f7-c20a-464f-9b0e-13a3a9e97384}&appVersion=7.0.1&appOS=Windows&appABI=x86-msvc&locale=en-US&currentAppVersion=7.0.1&updateType=97
You need to enter the GUID and the version number to see if there is an update.
British English Dictionary (maxVersion 10.0a1):
*[https://versioncheck.addons.mozilla.org/update/VersionCheck.php?reqVersion=2&id=[email protected]&version=1.19.1&maxAppVersion=7.0.1&status=userEnabled&appID={ec8030f7-c20a-464f-9b0e-13a3a9e97384}&appVersion=7.0.1&appOS=Windows&appABI=x86-msvc&locale=en-US&currentAppVersion=7.0.1&updateType=97]

I turn on but 9 beeps and display blank

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