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My laPtop donot start when i press power button

I have problem of battery and display in my compaq laptop. When i press start button of my laptop i don't start

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  • Compaq Master
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Hi there.
Take the battery out and try it on AC power only.

Posted on May 27, 2009

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1 Answer

LED light for AC power comes on but no fan, no power, blank screen


have you tryed just the mains with out the battery ,some laptops wont start if the battery is faulty,
or if the fan is full of dust and dirt and it can not turn, your laptop will not start.

Jul 09, 2014 | HP Compaq Presario CQ50-110US Laptop

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My compaq is power on for 2 second and off , how to fix is thank you


You need to print this out-on someone else's computer. Hope it works for you!
Remove the battery and charger/ac adapter/power cord from your Compaq Presario F700 laptop, press and hold the power button for 20 seconds to discharge any residual current inside the Compaq Presario F700 . This clears your RAM and is like a hardware reset. Replace the battery and charger/ac adapter/power cord and turn your Compaq Presario F700 laptop on.

Boot in "safe mode". As it starts up press F8, the computer ask you if you'd like to start in safe mode. Highlight "safe mode" and press enter. See if your laptop is booting up ok .

If your Compaq Presario F700 boots ok, do the following,

Try System Restore first,
Start Menu->All Programs->Accessories->System Tools->System Restore. Choose the most recent date before you the encountered problem. If it doesn't work, try the next date.

If System Restore does not fix it, as a last resort, you might need to fdisk, reformat your laptop hard disk clean and reinstall OS, that usually fixes all bugs. Before going that route, try following,

Uninstall unnecessary programs and applications.

Scan with a antivirus program

Scan with a spyware/malware program

DEFRAG C:

CHKDSK C:

Clean up and repair registry problems with registry repair software of your choice

If the problem persists, did you check if it could be your Compaq Presario F700 laptop power cord or power source problem? Defective or insufficient power supply might cause error messages that are misleading. Take the battery out and power on your laptop with the charger only. Make sure your Compaq Presario F700 power jack and charger plug tip are securely connected. Did you notice the power jack loose? You can find laptop power jack on ebay. Fixing and soldering the power jack requires professional skill though. The charger green/blue LED should be on. If not, replace the defective charger. Compaq Presario F700 laptop battery charger, especially its power cord/cable, lifespan is limited and does not last forever, consider buying a lifetime warranty charger online from company like www.topmic.com

Dec 29, 2012 | ASUS K52n-a1 Notebook

1 Answer

My compaq presario v3500 wont turn on again. i was using it, watching movie then it suddenly shutdown. my battery is fully charge and the charger was connected. so i try to turn it on and it wont start....


Remove the Battery and press power on for 1-2 minutes with out AC power .
Please turn on the laptop with only AC POWER (without battery ). Check it. it may turn on your laptop.

If display ok, then insert battery and use it...

Jun 18, 2011 | HP Compaq Presario 2200 Notebook

1 Answer

Laptop run automatic shutdown


Drain Flee power
Steps to do
Disconnect AC adapter,
Remove Battery
Press and hold power button for 30 seconds.
Reconnect adapter and battery
Start your pc and go to safe mode and check power settings.
Depending on your OS check event log /windows error log to find out what is causing the problem. And disable the service or reinstall driver needed.
Check for post message , check display screen in bios

Aug 11, 2010 | Compaq Computers & Internet

1 Answer

My compaq presario laptop keeps getting an error: 0211 keyboard error it says press F1 to resume or F10 to setup but neither one of them does anything when I push them. Can this be fixed?


Hi,

1. Turn off computer and unplug power cord.
2. Disconnect all external devices(open up the computer tower and then )
3. remove battery
4. press power button and hold for 10-15 seconds
5. plug power cord back into computer and press power button.
6. Check LED’s and listen for power supply fan.
7. If LED’s are on or power supply fan starts spinning, watch for boot screen
8. If coputer begins to turn on, turn it off.
9. Reconnect battery and external devices.
10. Press power button and make sure computer starts.

This should work....all the best

May 19, 2010 | Computers & Internet

1 Answer

There is recovery partition on my compaq presario CQ50 - 209wm and I'd like some help oh how I can use that to restore/reinstall my vista?


Normally during the early start sequence (when the laptop displays the Compaq logo), you will need to press F9, F10 or F11 repeatedly (model varies)
Some also require you to hold the key down before you press the power button, then release it after the laptop has finished displaying the Compaq logo.
Hope that helps.
If you are still lost, post back.
Peter

Mar 26, 2010 | HP Compaq Presario CQ50-103NR Notebook PC

1 Answer

Compaq Presario laptop C300 - issues (orange light)


Sometimes when a PC gets stuck in hibernation mode, the only way to reset it is to remove the CMOS battery for 10 minutes and replacing it. It resembles a large watch battery and is usually located near the center of the motherboard.

Dec 16, 2009 | HP 435768-001 - Compaq Presario C300...

2 Answers

Screen stuck in hibernating mode compaq laptop with windows vista


Disconnect the Laptop from Power, remove the battery, Hold the power button for 6-10 seconds.
Restart the machine by connecting the power and battery, Hit the Esc key while windows is loading

Sep 29, 2009 | Compaq Presario CQ60-220US PC Laptop

1 Answer

Laptop won't start up


It sounds like your laptop is using it's external VGA adapter for its main display. Try holding down the Function (FN) on your keyboard located on the bottom left hand side and pressing F4 at the same time.

Jun 04, 2009 | Compaq Presario Notebook

1 Answer

Compaq presario laptop blinking power button


REMOVED BATTERY AND CHECK ONLY IN AC MODE
IF ITS START PRESS F8 AFTER BOOTING AND OPEN IN SAFE MODE

Jun 21, 2008 | Compaq Presario Notebook

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