Question about Compaq Presario 700 470024-192 Notebook

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Mine computer is not starting and at start its showing blue blink for microsecond and then turn off.

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The BLUE BLINK you speak of . . This is the microsoft screen of death . .
This normally suggests a hardware failure, of memory issue. Firstly, have you installed or uninstalled any hardware ??
When you power up , keep pressing 'F8' - This will allow you to start your PC in a restricted way (you can then establish if any hardware is failing or HAS failed.)
You will be able to re-install any 'upset' drivers from here via the control panel.
At a minimum, you will be able to recover any images / documents that you require, prior to a re-format and installation / system recovery...
Keep me informed if you progress . .

Posted on Sep 08, 2009

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Posted on Jan 02, 2017

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Sharp lcd tv.lc45gd4u no power red light blinking two times pauses then repeats


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Great thanks,

That's just a system indicator flash. Solid blue means on and normal, blinking means someone either turned on the system indicator in the management software or bumped the indicator switch on the back of the server. This was designed to make easier transitions from back to front when working with multiple servers in a rack. To turn the indicator off, just go to the back of the server and find the Ethernet and usb ports that are together. If the usb is the bottom and Ethernet port is the top then just to the right you should see a small blue blinking light and a button, pushing the button wil turn the blinking off.

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1 Answer

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It's saying it cannot find the OS. You must have done something to it?  Put your disks in and it will start from them. You can also use it to fix the problem. Do a install and archive.

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The following procedure will re-establish the communication link between the Headphones and the Wireless adapter, this is called "pairing". Before you start please make sure both the headphones and the wireless adapter are fully charged and turned off.
Note: The headphones and the wireless adapter come pre-paired from the factory.
1. Press and hold the power button on the headphones. See Figure 1.
headphone.jpg
Figure 1

2. Continue to hold the button down until the LED starts flashing red/blue in an alternating pattern. Release the button when the LED starts flashing red/blue. See Figure 2.
headphone-flash.gif
Figure 2
3. Once the headphones LED is flashing red/blue, press and hold the power button on the wireless adapter. See Figure 3.
receiver.jpg
Figure 3
4. Hold down the button until the LED starts flashing red/blue in an alternating patter. The LED will blink blue, then turn off for a few seconds then blink red/blue. Release the button when the LED starts flashing red/blue. See Figure 4.
receiver-flash.gif
Figure 4
5. Once both the headphones LED and the adapter LED is blinking red/blue, press the volume up button once on the headphones. See Figure 5.
headphone-volumeup.jpg
Figure 5
Once the headphones is paired with the adapter, the LED on the headphones will blink blue once every two seconds. See Figure 6.
headphone-flash2.gif
Figure 6
When the adapter is paired the LED will be solid blue. See Figure 7.
receiversolid.jpg
Figure 7
The adapter may continue to blink red/blue for a few seconds even after the headphones LED starting blinking blue. This is normal; the adapter may take a few additional seconds before the LED turn solid blue.
Once the headphones and the adapter are paired, it is not necessary to pair them again even if the batteries on both units are completely drained.
Additional Note: Repeated pairing will not improve the sound quality or give the headphones and the adapter a cleaner connection.

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Comment by c-lesha, posted on Jan 06, 2008 mine won't charge shows sansa in blue then lock pic then turns off won't turn back on doess this every time i put it on charge when in "charging" it shows a little blue box if it is showing the locked picture then it is locked and you need to hit the switch on the side to unlock ~Temp

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pyrosp4,

it maybe you blue crt (picture tube). mine turn blue and then shuts off. i got it repaired for 460. 300 for the part 160 to install. you can try to adjust the voltage settings behind the speaker screen and see if that clears the problem. if not its you blue crt.

pridah

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