Computer was running on battery power. Battery ran low and computer turned off. I connected the computer to the wall outlet but I get no indicator light on the power connection where it plugs into computer. I have verified that the wall outlet is working. I am assuming a faulty power adaptor except that when I measure the output of the power adaptor with a volt meter I get two pins each with 6.5V on them. Do you know if this is correct?
Also, is there any kind of reset on the computer? I have seen some that have a small hole that accepts the straightend end of a paper clip in order to reset some sort of trip.
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Re: Computer doesn't start up
Mine does this sometimes. Usually when I let the battery run all the way down while I'm still using it.
What I do is attach the power cord. Then I sort of flex the magnetic connection up and down to see if the light will flick on. If so, I then press the esc or space bar, or clik the track pad a couple of time to jar it out of the sleep mode.
This is especially useful if I have unsaved work that I was working on before the battery ran down.
Otherwise, you just leave it plugged in for about 10 minutes to let it charge some. Press the button on the bottom of the batter to see if the charge has built, then try to wake it up with some of the previous mentioned tactics above.
And if that doesn't work, just hold down the power key til you hear it clik or power down, then hold it down again til you hear a loud beeeeeeeeep noise. Then release it. The computer should then restart...but any unsaved work will be lost. : (
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F-8 is the key, Try to "cold start" the computer, meaning remove the power plug from wall outlet or uplug from computer, remove battery, now replace battery and plug computer into wall outlet. Push the on button while "TAPPING" the F-8 key repeatedly Tap, tap, tap, until you hear a beep or it load the black menu with safe mode options. IF THAT DOES NOT WORK: shut down the laptop,remove AC supply, remove battery. Plug the AC power back in,DO NOT INSTALL BATTERY, Start the machine, without battery installed, and tap F-8 repeatedly. If it still fails, PULL THE PLUG OUT OF THE WALL OUTLET WHILE THE COMPUTER IS STILL RUNNING. NOW PLUG THE LAPTOP BACK INTO THE WALL AND START, THAT SHOULD TAKE YOU TO A BLACK PAGE WITH WHITE SCRIPT WITH OPTIONS YOU ARE LOOKING FOR.
After connecting the AC adapter to a wall outlet and to the computer press the power button the right side of the inspiron. The button itself should then lite up white if the power adapter is good. If not, check the power outlet you are using. Plug in something else and see if it works on this wall outlet. Some outlets are connected to a wall switch. If its still a nogo you may need to replace the AC adapter.
IF the system is not turning on any more, try removing the power cable, then press the power button for 10 seconds. then try to power it on again . If it is still not powering up there could be an issue wiht the power supply of the computer. But if it start to turn on, like showing the Sony logo then windows but not going to the desktop. you can try to log on using safemode. you can go there by pressing F8 on the keyboard after turning on the computer. If it still not turning on even on safe mode. there couldbe an issue with the operating system of the computer and needs to be reinstalled.
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If your iPhone's battery runs very far down, the iPhone won't turn on. That's because it's using its remaining battery life to preserve your data and settings.So, your iPhone could be refusing to turn on because its battery doesn't have enough juice. In that case, plug your iPhone into a wall charger or into your computer (plug it directly into the computer; some USB ports on keyboards don't have enough power to charge iPhones). Let it sit for 10-20 minutes. If it was low on battery and needed a charge, when it's got enough juice to power the screen, it will turn on and show you its charging status, starting with the red battery icon.During this process, you may also want to make sure there's no lint packed into your cable or the iPhone's dock connector. This isn't a hugely common problem, but a lot of pocket lint could interfere with the iPhone getting a charge.
This is directly from the User Manual: If the computer is connected to an electrical outlet, the Battery light operates as follows: â€¢ Solid green: The battery is charging. â€¢ Flashing green: The battery is almost fully charged. If the computer is running on a battery, the light operates as follows: â€¢ Off: The battery is adequately charged (or the computer is turned off). â€¢ Flashing orange: The battery charge is low. â€¢ Solid orange: The battery charge is critically low.
* turn of your computer * remove the plug from your computer. * Remove the battery from your computer * Let it sit for 3-5 minutes * Replace the battery * Plug your computer back in (Make sure the wall outlet is working as well, seems simple, but have seen it before) * Let it sit for about 3-5 minutes * Boot your computer * go to Start -> Control Panel -> Power Options -> Power Meter Note the Total Battery Power Remaining
* Let your computer sit for 15-30 Minutes and see if the Total Battery Power Remaining has gone up.
This is directly from the User Manual:
If the computer is connected to an electrical outlet, the Battery light operates as follows:
• Solid green: The battery is charging.
• Flashing green: The battery is almost fully charged.
If the computer is running on a battery, the light operates as follows:
• Off: The battery is adequately charged (or the computer is turned off).
• Flashing orange: The battery charge is low.
• Solid orange: The battery charge is critically low.
Follow the steps below to determine whether the problem is related to the AC adapter or your notebook system board:
Remove the battery and disconnect all external devices from the computer.
for several seconds, with all power sources removed. This drains residual power from the system, and may correct many problems.
Connect the AC adapter to a wall outlet and plug the other end into the computer.
Is the Power indicator light (LED) on or off?
****If notebook power indicator light (LED) is on, the AC adapter is working correctly*** If the power indicator LED is off, the AC power adapter may need to be
replaced. To determine if the AC power adapter needs to be replaced
follow the steps below:
Ensure that the AC adapter is plugged
into a known working wall outlet.
To check the wall outlet, plug in a different known working device like a light, radio etc.
Check all of the following connections:
The connection from the AC adapter to the wall outlet.
The connection into the power adapter from the wall outlet.
The connection from the AC adapter to the notebook.
button again to test the notebook PC.
the power indicator does not turn on, remove the AC power adapter from
the notebook PC and re-insert the battery. Then press the power
If the power indicator light still does not turn on, then the AC Adapter needs to be replaced.
*****Reseating the RAM may resolve this issue.**** Step 1 - Remove the battery
Slide and hold the battery release latch to the unlock position.
Use your finger to lift the battery up and out.
Step 2 - Remove the memory module
Locate the memory module cover on the bottom of the notebook.
Remove the screw that covers the memory module.
Use your finger or a flat head screw driver to lift the inside edge of the memory module and remove it.
Push both tabs outward simultaneously to release the memory module.
Grasp the memory module by the edges and pull gently to remove it.
After removing one module, replace the memory expansion cover and then replace the screw.
Step 3 - Replace the battery
Insert the battery into the notebook.
Push the battery into the base enclosure until you hear a click.
Connect the AC adapter and turn on the notebook.
fter the memory is reseated, connect the AC adapter and turn on the notebook.
the notebook boots normally and the Windows desktop appears no further
action is needed. If this problem re-occurs often, contact an HP
Support Specialist to schedule a repair.
Some UPS have "Battery backup" and "Surge only" outlets. I don't know if it is the case for your model. The "Surge only" outlets are not connected to the battery and will go off during a power outage. Make sure that the equipement that need to keep running during the outage are connected to the "Battery backup".
Important: Never connect a laser printer to the "Battery backup" outlets because to power draw is just too high.
Have you made sure that the battery is connected inside the UPS? (If the battery is user-replacable)
You may do a simple experiment. Connect you UPS you a wall outlet and plug a conventionnal lamp to a battery backup outlet. Then, unplug the UPS from the wall. If the light goes off, then you may have a problem with your UPS.