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Compaq 621 Support Question

Compaq 621 Support Question

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Question posted by Anonymous-55081 on March 29th, 2012

My Laptop Has Turned Off And The On Light Is Flaching But It Won't Turn On Again

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Answer #1: Posted by vitthalpatil36 on March 29th, 2012 3:22 AM
vitthalpatil36

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Check Ram DUst  Clean RAM Dust from Eraser

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Related Compaq 621 Manual Pages

Getting Started - Windows Vista - Page 7

Getting Started 3 Basic Setup Leave the computer connected to external power until the battery light turns off. ✎ A partially charged new battery can run the computer after software setup is charging. 4 Open the computer 5 Turn on when the battery is complete, but battery charge displays will not start up, be accurate until the new...
Getting Started - Windows Vista - Page 16

... not responding If the computer is on but the computer is on and the power light is lit, the computer may help you cannot restart the computer using the antivirus resources...Information and Troubleshooting Quick troubleshooting The computer is unable to start up If the computer does not turn on when you press the power button, the following emergency shutdown procedures, in the sequence ...
Getting Started - Windows Vista - Page 17

... or DSL modem and its power cord are properly connected and that the wireless device is blocked. Then be overheating because a vent is turned on and the wireless light on . Do not allow the computer to cool to the touch while it may be sure to cycle on a hard, flat surface. Getting...
Getting Started - Windows Vista - Page 18

... router or access point is properly connected to its power adapter and the cable or DSL modem, and that the lights are on. ■ Disconnect and then reconnect all cables, and turn the power off and then back on. ✎ For more information on wireless technology, refer to the relevant help topics...
Compaq 320, 321, 420, 421, 620, 621 Notebook PCs and HP 420, 620 Notebook PCs - Maintenance and Service Guide - Page 11

1 Product description Category Product Name Processors Description Compaq 320 Notebook PC Compaq 321 Notebook PC Compaq 420 Notebook PC Compaq 421 Notebook PC Compaq 620 Notebook PC Compaq 621 Notebook PC HP 420 Notebook PC HP 620 Notebook PC Intel® Celeron® processors T3300, 2.00-GHz, 800-MHz FSB, 1-MB cache T3100, 1.90-GHz, 800-MHz FSB, 1-MB cache T1700, 1.83-GHz, 667-...
Compaq 320, 321, 420, 421, 620, 621 Notebook PCs and HP 420, 620 Notebook PCs - Maintenance and Service Guide - Page 25

...internal components. If the computer is not plugged into an external power source, the lights turn off when all batteries in the computer are fully charged. NOTE: The security cable... to cool internal components and prevent overheating. It is plugged into an external power source, the light stays off during routine operation. Connects an external VGA monitor or projector. ● Amber: ...
Installing SATA Drivers on HP Notebook PCs - White Paper - Page 1

Installing SATA Drivers on HP Notebook PCs Technical white paper Table of contents Introduction ...2 Purpose ...2 Audience ...2 Benefits of SATA ...2 System Requirements and Prerequisites 2 System prerequisites ...2 Adding SATA drivers to RIS Installation Points 3 ...
Installing SATA Drivers on HP Notebook PCs - White Paper - Page 2

...interface technology that provides up to 150MB/Sec transfer rate for each system on HP Notebook PC models. Benefits of Authenticity and documentation. • Necessary drivers, especially Intel SATA... using WinPE. System prerequisites You will need the following guidelines provide procedures for each PC IMPORTANT: Make sure you install Windows XP Professional. In addition, you must have...
Notebook PC User Guide - Windows 7 - Page 21

...components and prevent overheating. It is not plugged into an external power source, the light turns off when all batteries in the computer are fully charged. Connects an AC adapter... that most closely matches your computer. When the battery reaches a critical battery level, the battery light begins blinking rapidly. ● Off: If the computer is designed to the computer. Identifying hardware...
Notebook PC User Guide - Windows 7 - Page 28

... amber, all wireless network devices are disabled by Computer Setup, the wireless key will not work until you turn off the wireless devices simultaneously. If the wireless light is on the computer. Individual wireless devices can control the wireless devices in your computer using these features: ● Wireless key or wireless button...
Notebook PC User Guide - Windows 7 - Page 50

...external numeric keypads function differently according to whether num lock is on or off. (Num lock is turned off at the factory.) For example: ● When num lock is on the computer. 38 Chapter...keyboard When num lock on an external keypad is turned on, the num lock light on the computer is turned on the computer is turned off . When num lock on an external keypad is turned off , the num lock...
Notebook PC User Guide - Windows 7 - Page 73

...If you stopped working. Your work returns to a hibernation file on the hard drive and the computer turns off. Exiting Sleep is in the Sleep state for an extended period or if the battery reaches a...Sleep: ▲ Briefly press the power button. When the computer exits Sleep, the power lights turn on and your work is saved to the screen. Setting power options 61 5 Power ...
Notebook PC User Guide - Windows 7 - Page 74

... 5 Power management NOTE: If you stopped working. Power plans can help you to the screen. To hide or display the battery meter icon: 1. The power lights turn on both battery power and external power, or when the battery reaches a critical battery level. Power settings and timeouts can change the power plan, click...
Notebook PC User Guide - Windows 7 - Page 79

... a battery WARNING! Remove the battery (2). The battery charges whether the computer is off . Charging may show 100 percent charge before turning on the computer. ● Charge the battery until the battery light turns off or in the notification area may take longer if a battery is new, has been unused for 2 weeks or more...
Notebook PC User Guide - Windows 7 - Page 80

... responses can be changed using Power Options do not restore power until the power lights turn off. 68 Chapter 5 Power management The computer takes the following actions for a...of losing information when the computer reaches a critical battery level and has initiated Hibernation, do not affect lights. If a low battery level is fully charged, in a cool, dry location. Managing low battery ...
Notebook PC User Guide - Windows 7 - Page 82

The battery light on the computer turns off the display and Put the computer to sleep settings to sleep settings ... Step 3: Discharge the battery The computer must remain on . 3. Insert the battery into external power. The battery light on the computer turns on while the battery is fully charged. Click Save changes. Step 2: Disable Hibernation and Sleep 1. Connect the computer...
Notebook PC User Guide - Windows 7 - Page 83

... battery discharge and information loss if the computer reaches a critical battery level. 1. When the battery is recharged, the battery light on the computer turns off. When the battery is discharged, the battery light turns off . 2. Reenter the settings that are not plugged into external power and maintain external power until the battery is off...
Notebook PC User Guide - Windows 7 - Page 85

... . Shutting down the computer with the power button, the recommended procedure is possible. 1. Save your work and close all open programs. 2. Turn on the computer. ● If the power light turns on obtaining a replacement AC power adapter. Contact technical support for an extended period Although you must first exit Sleep or Hibernation before...
Notebook PC User Guide - Windows Vista - Page 49

...external numeric keypad 37 When num lock on an external keypad is turned on, the num lock light on the computer is off, most keypad keys type numbers. ● When num lock is... turned on the computer. When num lock on an external keypad is turned off, the num lock light on the computer is turned off on an external keypad as you work: ▲...
Notebook PC User Guide - Windows Vista - Page 70

...be changed using Power Options in any computer functions while the computer is initiated, the power light blinks and the screen clears. To exit Sleep: ▲ Briefly press the power button... the Lock button, and then click Sleep. When the computer exits Sleep, the power lights turn on external power. 5 Power management Setting power options Using power-saving states The computer ...

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