Question about Apple PowerBook G4 Mac Notebook

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I just installed 2 1G chips and now I have a black screen and 3 beeps. The sleep light is on and blinks 3 times now and then.

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Assuming that this is 1GB RAM strips, the they may be incompatible with your motherboard. Check the motherboard Manual to see what maximum RAM it can cope with; check what speed of RAM the motherboard should use (PC3200; 400MHz, or whatever). Otherwise, the RAM is duff (but this is the least likely option).

Posted on Sep 07, 2009

Testimonial: "Thanks, I'll try that. I bought the modules at Best Buy and the Geek Squad insisted that this was what I needed."

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Incompatible memory I'm afraid. Go to www.crucial.com/uk and find out what memory you should have fitted.

Posted on Sep 07, 2009

Testimonial: "Thanks, I'll try that. The Geek Squad at Best Buy assured me that these would work and that they were what I needed."

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Black screen


Try running the check disk utility.

To run the check disk utility you will need a repair disc or a operating system disc. Put the disc in the cd drive and boot from it. You want to get to the Dos Command Prompt (Black screen with white letters) and type the following command: chkdsk /r
Check disk will run well over an hour or two and you will notice the percentages going from high to low, this is normal. Let it run to completion. Then reboot machine.

If check disk fails to solve your problem you might have to reinstall windows. Try doing a Repair Install that way you don't loose your data, documents, music, pictures, videos or programs.

In windows xp you get to the dos command prompt by selecting R for repair when the options appear.

In Vista and Windows 7 you want to get to the recovery console and look down at the bottom of the window for the Dos Command.

If check disk does not solve it try the steps below.

When you plug in the power cord is there any lights whatsoever on the laptop, where the plug goes in or on the AC Adapter of the power cord?

When you press the power button do you hear fans running, hard drive spinning, lights on the computer, hear any beeps or lights constantly blinking, hear the DvD/CD drive click and the light on the drawer of the DvD/CD turn on for a second or two? If so the laptop is trying to boot or may have booted, but the screen is not showing for some reason.

Beep tones and blinking lights tells the technicians what is going on with the laptop and why it is not booting. Most times it's a motherboard issue when you hear beeps or blinking lights continuous. Most times the problem is with the memory or Video Card. Count the Blinking Lights or Beeps and take note of their pattern (1 Long or 1 Long followed by 2 Short).

Maybe your power cord is bad if you don't get anything to happen whatsoever when you press the power button. And if that's true maybe you was operating off the battery the last time you had it on and since the power cord is bad, it was not charging the battery so the battery is drained and the power cord is bad.

Maybe you have a Static Charge Buildup. Remove the Power Cord, Remove the Battery, then Press and Hold the power button for 30 seconds. After 30 seconds plug the power cord back in (leave the battery out) and hit the power button to see if it boots. If it does, you can put the battery back in and let it charge.


If it is a laptop Maybe your DC Power Jack which is where the power cord plugs into the computer is bad. Take an ink pen and push the tip inside the jack and see if the little pin wiggles, if so the jack is bad. You'll have to take the laptop apart to fix it. Most times it is soldered onto the motherboard, so you will have to desolder the old and solder a new one.


Maybe your memory is bad or the memory slot is bad.

Remove the Power Cord, (If Desktop Open the Case0 If Laptop Remove the Battery, Remove the cover that houses the memory on the bottom of the laptop)) and remove one of the memory chips. Set the chip aside then try rebooting the computer. If it boots, then you know the memory chip you set aside is bad so mark an x on it with an ink pen. If it fails to boot then move the chip to the next memory slot and try rebooting. If it fails take the chip out and set it aside, then put the other chip in and try booting it in both slots. If it boots, just to verify that the chip set aside is bad, mark an x on it and put it into the open memory chip slot and try booting.

May 23, 2012 | Compaq Computers & Internet

1 Answer

My power button is blinking with a black screen


When you plug in the power cord is there any lightswhatsoever on the laptop, where the plug goes in or on the AC Adapter of thepower cord?

When you press the power button do you hear fans running, hard drive spinning,lights on the computer, hear any beeps or lights constantly blinking, hear theDvD/CD drive click and the light on the drawer of the DvD/CD turn on for asecond or two? If so the laptop is trying to boot or may have booted, butthe screen is not showing for some reason.

Beep tones and blinking lights tells the technicians what is going on with thelaptop and why it is not booting. Most times it's a motherboard issuewhen you hear beeps or blinking lights continuous. Most times the problemis with the memory or Video Card. Count the Blinking Lights or Beeps and takenote of their pattern (1 Long or 1 Long followed by 2 Short).

Maybe your power cord is bad if you don't get anything to happen whatsoeverwhen you press the power button. And if that's true maybe you wasoperating off the battery the last time you had it on and since the power cordis bad, it was not charging the battery so the battery is drained and the powercord is bad.

Maybe you have a Static Charge Buildup. Remove the Power Cord, Remove theBattery, then Press and Hold the power button for 30seconds. After 30 seconds plug the power cord back in (leave the batteryout) and hit the power button to see if it boots. If it does, you can putthe battery back in and let it charge.Maybe your DC Power Jack which is where the power cord plugsinto the computer is bad. Take an ink pen and push the tip inside thejack and see if the little pin wiggles, if so the jack is bad. You'll have totake the laptop apart to fix it. Most times it is soldered onto themotherboard, so you will have to desolder the old and solder a new one.Maybe your memory is bad or the memory slot is bad.Remove the Power Cord, Open the Case and remove one of thememory chips. Set the chip aside then try rebooting the computer. If it boots, then you know the memory chip you set aside is bad so mark an x onit with an ink pen. If it fails to boot then move the chip to the nextmemory slot and try rebooting. If it fails take the chip out and set itaside, then put the other chip in and try booting it in both slots. If itboots, just to verify that the chip set aside is bad, mark an x on it and putit into the open memory chip slot and try booting.

May 03, 2012 | Gateway Computers & Internet

1 Answer

No beep sound,orange ligth remian on does not go off dell optiplex 360


Believe it or not it is probably your Power Supply. Just because it lights makes the system lights up does not mean it is working properly. Sometimes it has enough power to make the light glow, but not enough power to make the fan in the power supply start or any other functions.

You can also try the things below to see if they work, if not replace the power supply.

When you plug in the power cord is there any lightswhatsoever on the computer?

When you press the power button do you hear fans running, hard drive spinning,lights on the computer, hear any beeps or lights constantly blinking, hear theDvD/CD drive click and the light on the drawer of the DvD/CD turn on for asecond or two? If so the computer is trying to boot or may have booted, butthe screen is not showing for some reason.

Beep tones and blinking lights tells the technicians what is going on with thelaptop and why it is not booting. Most times it's a motherboard issue when you hear beeps or blinking lights continuous. Most times the problem is with the Memory or Video Card when you hear beep tones or blinking lights. Notice the pattern of the lights and blinks. Do you get 1 Long Blink or Beep? Maybe you get 1 Long followed by 2 Short Blinks or Beeps.

Maybe your power cord is bad if you don't get anything to happen whatsoever when you press the power button.

Maybe you have a Static Charge Buildup. Remove the Power Cord, then Press and Hold the power button for 30seconds. After 30 seconds plug the power cord back in and hit the power button to see if it boots.

Memory Chip might be bad.
Remove the Power Cord, Open the Case and remove one of the memory chips. Set the chip aside then try rebooting the computer. If it boots, then you know the memory chip you set aside is bad so mark an x on it with an ink pen. If it fails to boot then move the chip to the next memory slot and try rebooting. If it fails take the chip out and set it aside, then put the other chip in and try booting it in both slots. If it boots, just to verify that the chip set aside is bad, mark an x on it and put it into the open memory chip slot and try booting.

Apr 22, 2012 | Dell Computers & Internet

1 Answer

When i turned on switch dell vostro 230 it give no display and led colour is red


No Display, so does it seem like the computer booted up and is running except that the Display is black? Do you hear fans running, disk drive spinning, blinking lights or beeps?

I'm going to assume that in your case since you mentioned a red light that it is not booting up all the way. Therefore your problem is probably with the memory, the video card or some other motherboard issue.

Remove the Power Cord, Remove the Battery, Remove the cover that houses the memory on the bottom of the laptop then remove one of thememory chips. Set the chip aside then try rebooting the computer. If it boots, then you know the memory chip you set aside is bad so mark an x onit with an ink pen. If it fails to boot then move the chip to the nextmemory slot and try rebooting. If it fails take the chip out and set itaside, then put the other chip in and try booting it in both slots. If itboots, just to verify that the chip set aside is bad, mark an x on it and putit into the open memory chip slot and try booting.

Apr 19, 2012 | Computers & Internet

1 Answer

Power light is blinking


Count the blinks and the pattern of the blinks (3 long blinks, 1 long blink followed by 2 short blinks, etc.).

Remove the Power Cord, Remove the screw and cover that houses the memory and remove one of thememory chips. Set the chip aside then try rebooting the computer. If it boots, then you know the memory chip you set aside is bad so mark an x onit with an ink pen. If it fails to boot then move the chip to the nextmemory slot and try rebooting. If it fails take the chip out and set itaside, then put the other chip in and try booting it in both slots. If itboots, just to verify that the chip set aside is bad, mark an x on it and putit into the open memory chip slot and try booting.Does anything post to the screen at all when you press the Power Button? Maybe your video card is bad.

Apr 15, 2012 | IBM ThinkPad T41 Notebook

1 Answer

Cant turn my computer on and there is a yellow blinking light


How many blinks? Count and notice the patterns of the blinks (3 long blinks or 1 long blink followed by two short blinks).

Remove the Power Cord, Open the Case and remove one of thememory chips. Set the chip aside then try rebooting the computer. If it boots, then you know the memory chip you set aside is bad so mark an x onit with an ink pen. If it fails to boot then move the chip to the nextmemory slot and try rebooting. If it fails take the chip out and set itaside, then put the other chip in and try booting it in both slots. If itboots, just to verify that the chip set aside is bad, mark an x on it and putit into the open memory chip slot and try booting.If all the above fails, you problem could be your Video Card or a motherboard issue.

Apr 14, 2012 | Dell Dimension E510 PC Desktop

1 Answer

D100l has blinking caps lock


Give us more details if you want help. Blinking Caps when? When you boot up? Is it booting all the way so you can use the computer?

Remove the Power Cord, Open the Case and remove one of thememory chips. Set the chip aside then try rebooting the computer. If it boots, then you know the memory chip you set aside is bad so mark an x onit with an ink pen. If it fails to boot then move the chip to the nextmemory slot and try rebooting. If it fails take the chip out and set itaside, then put the other chip in and try booting it in both slots. If itboots, just to verify that the chip set aside is bad, mark an x on it and putit into the open memory chip slot and try booting.
Does anything ever post on the lcd screen?

Apr 06, 2012 | Computers & Internet

1 Answer

Macbook beeping 3 times and won't turn on


3 Beeping Repeatedly/Continuesly that meaning if :
Failure in a base memory 64K
Base memory 64K is 64 KB first Memory at RAM.
This failure can be because the Slot Dirty,or Pin at RAM dirty,or can be the one of Chip at the RAM is damage.
The Solution is :
1.Remove RAM and Cleanup Pin at RAM,
2.Cleanup Slot RAM at MotherBoard.
3.change RAM.

if this helpfull for you,please don't forget to rate it.Thanks...

Jan 09, 2012 | Apple Computers & Internet

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