Compaq CQ40 Intel With Blink Code

Troubleshooting Compaq CQ40 Intel with Blink Code.



Blink 1x = Check vcore, if less than 1.05v.  Reflow pict No.1 or replace isl6265

Blink 2x = Flash Ic Bios pict. No. 4

Blink 3x = Replace DDR if not solving, Reflow pict No.2

Blink 5x = Reflow or Reball pict No. 3

Blink 6x = Replace Ic Bios Pict No. 4

LVDS Driver Output Voltage

The driver’s primary function is to launch an electromagnetic wave into one or two transmission lines. As explained earlier, this is equivalent to generating a voltage across a resistor, albeit a low-valued resistor. Most device specifications designate the differential output voltage as VOD and referenced to the inverting output. Both the minimum and maximum output voltages are significant

Compaq Beep Code

Beep codes common to HP and Compaq Desktop PCs
The following beep codes are common to many HP and Compaq desktop computers. Use these codes first before referring to the other code lists.
   

1 short beep and 1 long beep    Memory problem
2 short beeps and 1 long beep (repeats 5 times)    Unable to initialize video or video card required but not installed
3 short beeps and 1 long beep    CPU

Blank Screen Error Code In Compaq

The LED lights near the Caps Lock and Num Lock keys will blink if an error is detected during the start up process. The LEDs will blink a number of times in a sequence and then stop. The number of blinks in the sequence indicates what component caused an error when it was being tested during start up.
If the LEDs stop blinking and the computer does not start, you can press the power button again

Toshiba Satellite A305 Restart or Freeze

If you have a toshiba satellite a305 hang or restart when power adapter is plugged. It may be NEC/TOKIN faulty. Try this one:

 This may work fine on other laptops with same problem

Acer 4315 Charger Blinking

Consumers comes with Acer 4315 dead.  He said the LED blinks when the charger is plugged.  The first analysis is a short circuit occurs.  The first step has taken is, of course, remove the mainboard.  The next check is there any hot components.  This is an easy way to find a short circuit.
See in the picture if the components in the box on the pic 1 was hot.  Check the capacitors on the pic 2,

Power On Then Off in DV6000

Unit arrived with a common issue among INTEL Dual Core units.  Powers on then shuts off immediately.  Though there can be several causes of this symptom, usually the case is 'cheap'/bargain  ceramic capacitors. When shorted they can also short the AO4914 chip shown in the center of the Zoom-Out picture. In this case the cap marked with the red X is shorted. When removing it split in two

Acer AS5736Z-4427 15.6-Inch Laptop (Mesh Black)

Sporting a sleek design, along with everything needed to fit your mobile lifestyle, Acer Aspire 5736Z notebook PC (model AS5736Z-4427) meets their daily needs with excellent performance and impressive graphics processor - perfect for sending e-mail, surf the web, enjoy HD video playback and much more. With high-definition screen of 15.6 inches, will have ample space to open multiple windows

Laptop Inverter Schematic

Do you have a problem with the backlight on your laptop? Usually the screen inverter is the culprit. Here are some LCD screen backlight failure symptoms that could be related to a bad inverter board:
- Laptop boot but the screen blacks. You still can sees an image on the screen but it’s very dim.
- The screen always stay black and the backlight never comes on but you still can makes out an