Question about Compaq Presario Notebook

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No Display When we switch ON No display coming,after some time system will automatically shut down.

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Thats a little vague - sounds like a hardware fault.

Go for the easy things first:
I'd try either swapping Ram (or pull out 1 of the 2 simms to check if either is faulty).

Disconnect Hard disk and see if it will POST (obviously it wont get much further)


Last resort:
Reset the CMOS (you will have to open the Laptop in most cases - nightmare for beginners).


Posted on Jan 12, 2009

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Posted on Jan 02, 2017

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The shutdown window keeps coming up and my computer shuts down


you have a virus, scan your pc with nod32, you can download from www.nod32.com
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Dell 1209S Projector, tries to turn on, and the fan comes on for 30 seconds and then goes off again. It tries this several times and then the light bulb icon comes off and it doesn't do antything else


Lamp is burned out or makes a popping sound.
When the lamp reaches its end of life, it may burn out and may make a loud popping sound.
If this occurs, the projector does not turn back on. To replace the lamp, see on page 38.
LAMP light is solid amber If the LAMP light is solid amber, replace the lamp.
LAMP light is blinking amber If the LAMP light and the Power light are blinking amber, the lamp driver has failed and the projector will automatically shut down.
If the LAMP light is blinking amber and Power light is solid blue, the color wheel has
failed and the projector will automatically shut down.
Unplug the power cord after 3minutes then turn the display on again. If this problem
persists, contact Dell™.
TEMP light is solid amber The projector has overheated. The display automatically shuts down. Turn the display on again after the projector cools down. If the problem persists, contact Dell™.
TEMP light is blinking amber A projector fan has failed and the projector will automatically shut down. If the problem persists, contact Dell™.

Oct 23, 2011 | Dell 1209S DLP Projector

1 Answer

Showing a LP on display. What are the possible problems?


Here is the reason for that problem per the manufaturers web-site

http://www.haywardnet.com/products/Manuals/pdfs/Manual122.pdf

The low-pressure switch senses the refrigerant pressure in the sealed refrigeration system to

protect against certain conditions that could be detrimental to compressor life. The switch shuts

the unit down in the event of loss of refrigerant, fan motor failure, evaporator freeze-up and

airflow blockage. The switch automatically resets when the pressure rises to normal operating

pressures. The display will show "LP" if this switch is tripped.

Evaporator Freezing

The low-pressure switch will shut the heat pump down when the evaporator starts to freeze.

When the unit starts to freeze the low-pressure switch will be tripped, causing the display to read
"LP" This will prevent the evaporator from becoming damaged or deformed.

If the air outside the heat pump is not warm enough to produce heat, the system will shut down.

The actual point at which your unit will shut down due to low temperature varies depending on

which model you purchased, current weather conditions, and the amount of sunlight reaching the

heat pump. The shutdown can occur anywhere within a wide range of temperatures, usually 45°F-

55°F. This is not a "fixed" range. We stress that climate conditions, sunlight, and various models

respond quite differently to low ambient temperature. A shutdown occurs because low

temperatures will activate the systems low-pressure safeguard switch (digital thermostats will

display a code "LP".) The unit will start up again when the temperature has raised enough to reset

this switch. Note: Low ambient temperature does not necessarily affect the Chiller models
or the cooling cycle of the heat/cool units.

If this post has helped you, please take the time to vote positively for me on this site. If you need additional help, I can be reached @: adamh@newconceptchem.com

thanks,

adam

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2 Answers

When i switching on my phone, its taking long time to come display. after a short time automatically it will go off.some time display will not come,


k.........no need to worry,,there is no software problem.....only the display has gone bad you should change ur display soon to get relief from such obstacle

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Camera switches on then shuts down automatically


is anything comming up on display before it shuts down? it usually gives indication why its shutting down for example 'battery low' or 'lens error'.

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Switch on problem with my system


please you first switch turn on

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Denon surround saying protect on display


Make sure none of your speaker wires are touching, this will cause it to shut down instantly.

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I need to disable my ovens auto shut off


The control is automatically set to turn off the oven after 12 hours baking or 3 hours broiling should you forget and leave the oven on. If you want to remvoe this feature do the following steps: 1. Press and hold, at the same time, the BAKE and BROIL buttons for 3 seconds, until the display shows "SF". 2. Press the DELAY START TIME button. The display shows "12Shdn" for 12 hour shut off. Press the DELAY START TIME button again. The display will show "no Shdn" for no shut off. 3. Press the START button.

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1 Answer

Bose wave radio/cd


Found this in the manual:

To adjust the display brightness -

The display dims automatically to medium or low brightness, as appropriate for low light room conditions. You can adjust the brightness setting of the display for both strong light and lowest light environments, but not for the medium light setting. Turn the system off before setting brightness levels.

• In a strongly lit room, hold down CD Mode and press Volume up or down to adjust the setting between 5 and 9 (it is preset to 8).
• In a barely lit room, hold down CD Mode and press Volume up or down to adjust the setting between 1 and 5 (it is preset to 2).
• If you do not want the system to dim automatically, set both levels to 5.

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