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Computer problem When I press my computer power on button computer goes into unstable state..There will be no display on screen( Blank screen). I have to remove power cable to shut it down. Please provide me the solution.

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There's a number of possible problems. A momentary press of the power button will probably not turn the computer off, in this state, but holding it for 4+ seconds usually will. Did the computer work previously? If so, did something change recently? Usually, this sort of problem will arise after a hardware change; e.g. installing more RAM, changing something in the BIOS settings, installing a new video card, etc. If nothing changed (including things you may not have been aware of), and the computer just stopped working, then a part may have failed, possibly due to a power surge or similar. Depending on your computer knowledge, comfort with working on your computer, and whether there's any warranty in effect, would determine any additional action. Please provide additional details.

Posted on Oct 02, 2007

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How to restore corrupted BIOS of presario cq60 laptop


Whenever you upgrade the BIOS on your notebook, a copy of the previous version is stored in the HP TOOLS partition of your hard disk drive. Many HP notebook computers have an emergency BIOS recovery feature that allows you to recover and install the last known good version of the BIOS from the hard drive, as long as the hard drive remains functional. This emergency recovery feature is separate from the BIOS and is designed to work in the event of a catastrophic BIOS failure.To recover an earlier version of the BIOS on your notebook:
  1. Turn off the computer.
  2. Plug the notebook into power using the power adapter.
  3. Press and hold the Windows key and the B key down at the same time while the computer is off.
  4. Still pressing those keys, press and hold down the Power button on the notebook for 3 seconds and then release the Power button and the keys. The screen remains blank for about 40 seconds before anything appears on the display. You might also hear beeping sounds. Eventually, an HP BIOS Update screen displays.note.pngNOTE:If the computer fails to display an HP BIOS Update screen, press and hold the Power button for 5 seconds to turn off the computer. Wait 5 seconds and try again. If, after repeated attempts, you cannot open the HP BIOS Update screen, your computer does not support this function or it has a hardware problem that is preventing the tool from opening.Figure 1: HP BIOS Update screenc03376208.jpg
  5. When the BIOS has been recovered, a Continue Startup button displays and timer counts down. You can click Continue Startup to restart the computer or you can allow the timer to reach zero and the computer will restart automatically.Figure 2: HP BIOS Update screenc03376209.jpg
  6. After restoring the BIOS, if the computer repeatedly displays a message that the BIOS has been reset, then perform the steps in HP BIOS Application Selected is Corrupt or Missing .
  7. After restarting, Windows may display a message stating that the computer was improperly shut down or that a boot problem was detected. Read and respond to the screens to continue.

Sep 22, 2012 | Maxtor Personal Storage 3200 (U01E200) 200...

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Troubleshooting Flat Panel Monitor issues. Screen is blank and power indicator...


Troubleshooting Flat Panel Monitor issues.

Screen is blank and power indicator is off

The monitor is possibly not receiving power. Perform the following steps to fix the problem:
  1. Ensure that the electrical outlet and the monitor are both switched on.
  2. Check that the power cord is firmly plugged into the electrical outlet and the power supply unit.
  3. If the power cord has a removable fuse, replace it.
  4. Try another power cord.
  5. Try another electrical outlet.
  6. Check the power connection at the back of the panel.
Screen is blank and power indicator is steady green

Brightness and Contrast may be too low. Adjust the brightness and contrast using the On-screen display controls (OSD) by selecting the button
Screen is blank and power indicator is steady amber

The monitor is in the Power Management Standby state. The power management feature is invoked when the computer recognizes that you have not used your mouse or keyboard for a user-definable period. Perform the following steps to bring monitor out of the power management state:
  1. Press any key on the keyboard or move the mouse to restore operation.
  2. Check the Power Management software on your computer.
  3. flatpnlmont12.jpgPress the (OK) key to switch between analog and digital mode. If the panel is the wrong mode for the signal being provided, the monitor appears to go into sleep mode.
Screen is blank and power indicator is flashing green
Display mode of the computer is outside the range of the monitor. The display mode the monitor uses is controlled by your computer. Therefore, you should refer to your computer's documentation for details on how to change display modes.

The image size, position and shape may change when the display mode changes. This is normal and the image can be readjusted using the IMAGE SETUP and the monitor controls.

Note: Unlike CRT monitors, which requires a high refresh rate to minimize flicker, TFT technology is inherently flicker-free. If possible, configure your computer for 1600 x 1200 addressability at 60Hz vertical refresh rate.

Use the following table as a guideline and reconfigure your computer to use a supported display mode. The highest resolution (for example, 1600 x 1200) produces the optimal output, but limitations of your monitor may prohibit this setting. Adjust the addressability mode until an image appears.

CHECK SIGNAL CABLE" message is shown and power indicator is steady amber.

The monitor is not receiving a video signal. Perform the following steps to fix the problem:
  1. Check that the signal cable is firmly connected to your computer
  2. Check that no pins are bent in the signal cable connector.
There are noises in the video signal. The IMAGE SETUP function is used to adjust the level of noise in the video signal which causes horizontal lines or areas where the image appears to be unstable and jitters or shimmers. This can be done automatically or manually.
Note: It is not applicable to digital input.
Use the image setup fix the problem:
  1. flatpnlmont6.jpgSelect (Image Setup) menu in the OSD.

  2. Select Manual to adjust CLOCK/PHASE settings.
Image appears to be discolored

The color setting may be incorrect. Perform the following steps to adjust the color settings:
  1. flatpnlmont8.jpgSelect (Image Properties) from the OSD menu.
  2. flatpnlmont9.jpgSelect (Color Properties) to adjust the color mode you find most comfortable or fine tune the colors using the Custom menu.
A few dots are missing, discolored, or inappropriately lighted

A small number missing, discolored, or lighted dots may be present on the screen, which is an intrinsic characteristic of the TFT LCD technology and is not an LCD defect.
Using On-Screen display (OSD) controls
flatpnlmont12.jpgThe settings adjustable with the user controls are viewed through the OSD. Press the (OK) button to display the main OSD menu.
OSD main menu:

Note: The LCD monitor needs time to become thermally stable the first time you turn it on each day. Thus, to achieve more accurate adjustments for parameters, allow the LCD monitor to warm up (be on) for 15 minutes before making any screen adjustments

on Aug 08, 2010 | Televison & Video

1 Answer

My IBM computer doesn't recognize when I plug in the usb camera patch cord and even the display goes blank on the camera. So do I need a new driver or camera


Welcome to Fixya
Did you accidentally dropped the camera? You should be able to see options when you plug in the camera to your computer. Try to reset the camera first to factory state as part of our initial troubleshooting.See procedure below:
Select reset settings icon Press set button Reset setting screen should appear then press YES Press the SET button Camera setting should be reset then test the issue again
Thank you for using Fixya!

Jun 10, 2011 | Sanyo VPC-C5 Digital Camera

1 Answer

Effect of sleep button


Hi a_hedges,

Sleep is a power-saving state that allows a computer to quickly resume full-power operation (typically within several seconds) when you want to start working again. Putting your computer into the sleep state is like pausing a DVD player-the computer immediately stops what it's doing and is ready to start again when you want to resume working.

When a computer is in Sleep mode, the power light is blinking and you get a blank screen like it's turned OFF.

On most computers, you can resume working by pressing your computer's power button. However, not all computers are the same. You might be able to wake your computer by pressing any key on the keyboard, clicking a mouse button, or opening the lid on a laptop. Check the documentation that came with your computer or go to the manufacturer's website.

Hope this helps.

Feb 23, 2011 | HP CPQ175KB Keyboard

1 Answer

Monitor does not activate when computer is turned on - it goes blank - when you press a button on the front of the monitor it states that the computer is in in sleep mode press any key to activate - the...


Hello,
May be the problem comes from the Cpu.
Try to see if the cable from the monitor is firmly connected to the cpu.
One thing more may be the vga card is having problem.
Try to test the screen with another Cpu. Or the cpu with another monitor.
The amber mode is normal as the screen is not receiving signal from the cpu.
At times the memory chip also report this problem (no display or sleep mode)
Do hear any beep sound or any other Errors??
OK try this
Cheers Uttam

Jun 12, 2010 | Dell E176FP 17" LCD Monitor

1 Answer

Screen Goes Blank


Ive seen this on other monitors. Look for a 1 and 2. Some monitors do NOT auto detect a signal, and this one might not. Look for a way to set the monitor from Digital input to VGA input. Try that and see.

Jul 21, 2009 | Dell E173FP 17" LCD Monitor

2 Answers

Blank screen upon startup


Try taking out the hard disk, plug in power and see if you have a display on your screen or external monitor. if same thing happen, try taking out the memory card. If you hear a beep sound it's a faulty mem. card, if no beep sound appears I suspected it's a motherboard faulty.

May 31, 2009 | Lenovo ThinkPad T61 Notebook

2 Answers

Monitor displays breifly then goes to blank screen


If tried the monitor on two other computers with the same result -- definitly your monitor is faulty. Take it to the repair shop. To make double sure, run your computer with another monitor. If everything is fine now; you can blame the monitor.

Dec 17, 2008 | Dell Dimension 4600 PC Desktop

1 Answer

Screen going blank and laptop freezes.


Go into the diplay properties, under the screen saver tab there is a button marked power, open this. Under one of the tabs there is a section that reads, when I close the lid, under this section set it as never.

Jul 10, 2008 | Dell Inspiron 1000 Notebook

1 Answer

Pop goes the weasel...


Chances are a capacitor has blown. They normally make such lovely poping noises when they die.
What will of course now be happening is the voltage inside where that capacitor was will be unstable and it could very well completely fail in the near future.
I would reccomend you get it to a repair shop sooner rather then later for a cheap simple repair rather then an expensive monitor replacement.

Dec 14, 2007 | Dell UltraSharp 1905FP LCD Monitor

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