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HP dv2660 Sp. Ed.

I need the key sequence instructions to switch from the laptop monitor to an external monitor. I havent got an instruction manual with me and cannot get it switched over. please help - Brenda

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Try right click anywhere on desktop go to properties/display settings
it should show 2 monitors you may have to plug 2nd monitor in and on there should be a box to tick for 2nd monitor hope this helps

Posted on Jul 25, 2008

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Hp dv650


First, connect an external monitor to your computer. Can you see the display now ? (my computer has a VGA port and an HDMI port for output to an external monitor or TV. There is also a keyboard button, on my laptop it is F4, for switching between displays, internal/external/both. You will obviously need an appropriate cable for this test). If you can see a picture on an external display, then the problem is not with computers graphics hardware.

For the next stages you will need detailed information about your laptop as can only be found in the service manual or such. If you are lucky these may be instructional articles on various websites (eg Inside My Laptop) or YouTube videos showing you how to carry out certain tasks.

It might be that the small ribbon connector between the m/b of your laptop and its display has become disconnected. If so, this may easily be replugged in (this will require some disassembly of your computer).

It could be the screen your laptop is defective. It is often a component called the inverter which fails, or simply the backlight (CCFL in most). Either of these will need a new replacement part. Before starting on any work you will need to thoroughly diagnose the fault to be certain what is wrong. You can do this yourself, but it is quite an involved procedure and you will need instructions for your particular laptop (if you are lucky someone will have made a video, else you will have to rely on the manufacturer's service manual).

IF YOU ARE NOT COMPETENT/CONFIDENT TO WORK INSIDE YOUR LAPTOP OR DISAASEMBLE IT I RECOMMEND THAT YOU DON'T.

13.April.2014

Feb 13, 2014 | Motherboards

1 Answer

I have a asus x58l and it has a black screen. cant see anything


http://www.asus.com/Notebooks_Ultrabooks/X58L/#support_Knowledge

Don't know why I did that.

Asus Support. Those two words don't even belong in the same sentence. (Neither does Toshiba Support, or Acer Support)

Notice the large statement?

NEED SERVICE?

(In otherwords GOT MONEY?)

Rant over.

Janet,

The problem will be;
1) Graphics chipset
or,
2) Video Cable,
or,
3) screen Inverter,
or,
4) LCD screen

I'm betting it's the economical, and easy to replace - screen Inverter.

Laptop on, shine a bright flashlight at the LCD screen of the laptop; and shine at various angles.

See faint images?
Backlight is out, or screen Inverter is out.
90 percent of the time the fault is the screen Inverter.

Moving on........

A) Graphics chipset:
Laptop OFF, monitor OFF, connect a VGA monitor to the laptop.
The VGA port is on the Back of the laptop.

This is a General example of a VGA port (Connector), and VGA Cable,

http://en.wikipedia.org/wiki/VGA_Connector

Scroll down a little for VGA Cable example.
You can use a CRT type of monitor, (Looks like a small TV), or a flat LCD screen monitor if it has a VGA cable.

Turn the monitor on. If a CRT type allow it to warm up.
Turn the laptop on.

By factory default settings, the display should show on the external VGA monitor.
IF not;

There are at least 3 display options available;

1) Internal monitor of laptop ONLY
2) Internal monitor of laptop AND external VGA monitor
3) External VGA monitor ONLY

Hold the Fn key down, and at the SAME time; tap once on the F8 key.
The F8 key is the Display Toggle-Over key.

(User Manual indicates not all laptops, may use the same Function keys.
Whatever Asus.
The Display Toggle-Over key has LCD on it, surrounded by a rectangular line. Has a small monitor icon to the right of it )

Display on external VGA monitor? No?
Hold the Fn key down again, and tap once more on the F8 key.

No display on external VGA monitor, indicates a problem with the graphics chipset.

Display ON external monitor, indicates a problem with the;
1) Video Cable,
or
2) screen Inverter,
or
3) LCD screen

Perform the 'flashlight test'. No faint images go on to the external VGA monitor test.

Post back in a Comment.
We'll go from there.

Regards,
joecoolvette

(There are NO service manuals available, to the public.
Thank Asus for that. To procede though can be done.

This will require a partial disassembly of the laptop, to include removing the Keyboard, and Palm Rest Cover.

Together we can accomplish this if needed.

May do something I never do, and that is because of no Service Manual available. May ask you to buy a replacement screen Inverter, and replace it.
Need other information above FIRST.

Average cost is around $25 to $30.
The plastic frame in front of the LCD screen is the Display Bezel.

The screen Inverter is located behind the Display Bezel, and mounted to the bottom of the LCD screen assembly.

(Clip or a Philips head screw)

Average example,

http://www.ebay.com/itm/100-Genuine-NEW-Original-Asus-X58L-laptop-Series-LCD-Inverter-08G21VJ10107-/290873311574?pt=LH_DefaultDomain_0&hash=item43b9668156

Doesn't require removing Keyboard, and Palm Rest Cover.
DOES require removing all power. AC adapter (Charger), and Battery.

Mar 24, 2013 | ASUS Sabertooth X58 LGA 1366 Intel X58...

1 Answer

When i turn on laptop screen goes all black no display


A) Shining a flashlight at the screen at various angles, do you see faint images?
No? Go on.

B) Laptop OFF, monitor OFF, connect a VGA monitor to the VGA port on the laptop.

Compaq Presario v3000? Left side towards the rear.
This is an example of a VGA connector (port), and VGA Cable,

http://en.wikipedia.org/wiki/VGA_Connector

Scroll down a little for VGA cable example. Note color of connectors does Not matter.

You can use a CRT type of monitor (Looks like a small TV ), or a flat LCD screen monitor if it has a VGA cable.

http://www.wisegeek.org/what-is-a-crt-monitor.htm

Turn the monitor on. If a CRT type allow it to warm up.
Turn the laptop on.
By factory default settings, the display should show on the external VGA monitor.

IF not;
There are at least 3 display options;
1) Internal display of laptop monitor ONLY.
2) Internal display of laptop monitor AND external VGA monitor.
3) External VGA monitor ONLY

Press, and hold down on the Fn key, and at the SAME time tap once on the F4 key.
The F4 key is the Display Toggle-Over key.

Still no display on external VGA monitor? (It takes a second)
Hold the Fn key down again, and tap once more on the F4 key.

NO display on the external VGA monitor, suggests a problem with the graphics chipset.
Most of the time it is the Mounting, of the graphics chipset TO motherboard.

The graphics chipset is mounted to the motherboard, with a BGA surface mount.
Ball Grid Array,

http://en.wikipedia.org/wiki/Ball_Grid_Array

Nvidia GeForce Go6150 graphics chipset,

http://www.ebay.com/itm/HP-COMPAQ-PRESARIO-V3000-V3200-LAPTOP-MOTHERBOARD-/390287984982?pt=Motherboards&hash=item5adefa0956

http://www.ebay.com/itm/1PCS-nVIDIA-Geforce-NF-G6150-N-A2-BGA-chip-north-bridge-Chipset-for-laptop-/190695516885?pt=LH_DefaultDomain_0&hash=item2c6656aad5

View an SMT/BGA Rework Station at work, and learn more about the Solder Balls, and BGA surface mount,

http://ersa.com/art-ir-pl-650-346-1472.html

Scroll down a little, and click on the Red -
Take a few minutes to view the IR 650 demo video.

http://www.youtube.com/watch?v=JEpnqhRYGLw

Uploader comment;
"HP Pavilion DV6000 Blank screen fix BGA rework video problem
This BGA rework fix also works on the HP DV2000, DV6000 and DV9000 there are a couple more HP's with this BGA video issue.
This is a design flaw that we solved with our upgraded copper heat sink and thermal compound.
Also effected by this issue are a couple Compaq models. The Comaq Presario V3000 V6000 and a couple of the Pavilion models."

Not showing for advertising of repair. Showing for adding extra copper sheeting material, to the graphics chipset.
A BGA Rework Station is the best method.

The problem, is inadequate cooling for the graphics chipset.
Bad design by HP.

As you can see in the above information, the bottom of the graphics chipset has Solder Balls.
These Solder Balls match up with Copper Pads on the motherboard.
(The Copper Pads are also gold plated)

The graphics chipset is set into place on the motherboard, with the Solder Balls lining up on the Copper Pads.
Heat is then applied at a specific temperature, and length of time.

This action melts the Solder Balls, and solders the graphics chipset TO the Copper Pads.
Which in turn of course, solders the graphics chipset TO the motherboard.

The solder connections made are called Solder Joints.
When the graphics chipset repeatedly overheats, the solder connections partially melt again.
Then the laptop is turned off, and the graphics chipset cools down.

This causes Cold Solder Joints, and a bad contact of graphics chipset TO motherboard.

If this is a problem with your laptop state back in a Comment.
Going on............

IF, the display shows on the external VGA monitor, and is good; the problem is the Video Cable, or inside the Display Assembly.
(screen Inverter or LCD screen)

Let me know after your diagnosis what the outcome is.
1) NO display on external VGA monitor.
2) Display on external VGA monitor.

Post back in a Comment.

Regards,
joecoolvette


Service Manual,

http://h10032.www1.hp.com/ctg/Manual/c01035667.pdf

(The above is a direct link to a PDF file.
The computer you are using now has Adobe Reader on it, which uses PDF files.

After you click on the link it may take up to 30 seconds, before the first page comes up.
The PDF file will not show until the file is fully downloaded.

IF the link does not work let me know in a Comment.
I will link you the HP Support page it came from )

Mar 03, 2013 | HP Compaq for Presario V3000 Motherboard

1 Answer

I cannot project to second screen


http://h10025.www1.hp.com/ewfrf/wc/product?product=1817059&lc=en&cc=us&dlc=en&lang=en&cc=us

1) Laptop OFF, external display OFF, connect the external display to the laptop.

Turn the external display on.
Turn the laptop on.

There are at least THREE -> display options available.

1) Internal monitor of laptop ONLY'
2) Internal monitor of laptop and external display
3) External display ONLY

Hold the Fn key down, and tap on the F4 key once.
Still no?
Hold the Fn key down again, and tap once more on the F4 key.

http://h10032.www1.hp.com/ctg/Manual/c01035667.pdf

No internal monitor, and not external display also, means problems with the graphics chipset. May be one of the HP/Compaq models, that has problems with the graphics chipset overheating.

Due to a poor cooling design for the graphics chipset.
Graphics chipset repeatedly overheats, and softens the solder connections of the graphics chipset to motherboard.
(BGA surface mount)

Laptop is turned off, and cools down. Solder connections (Solder joints), re-solidify. This causes Cold solder joints.

Remedy in this case is to reflow the graphics chipset, and add more cooling surface, to the small metal plate attached to the Cooling Tube, that sits on the graphics chipset.

There are two Fan/Heatsink Assemblies offered. (Thermal Module)

1) One is for models that have UMA motherboards.

[ Unified Memory Architecture.
A fancy way of stating the graphics memory is part of the System Resources. The Processor and Ram Memory.
Two other terms used are Integrated Graphics, or OnBoard Graphics.
ON the motherBOARD ]

HP 430463-001 part number,

http://www.lapzone.com/servlet/the-16238/430463-dsh-001-HP-Heatsink-&/Detail

BING!

It's also used for the HP Pavilion dv2000 series, which DOES have a problem with graphics chipset cooling.

Look at the photo of the HP 430463-001, and at the Black round Fan Assembly.
Look to the left at the copper Cooling Tube. See that triangle shaped area that sticks out? This tiny surface area is what cools the graphics chipset.

SERIOUSLY inadequate!

(The Processor sits under that black square at the top, that has a smaller square hole in it. Four screws surround it.
{ You are looking at a Top View of the Thermal Module )

2) The second Thermal Module offered is for motherboards that has discrete graphics.
HP 417081-001,

http://www.ebay.com/itm/HP-Pavilion-DV2000-Heatsink-Cooling-Fan-417081-001-/160603422510

This time a Bottom view is shown.
Do you see a difference shari_n?
No? Neither do I!

Here is one tech's solution for this. This is for reference ONLY.
Not advertising for tech, nor website,

http://www.youtube.com/watch?v=PhxOVh2sbl8

This gives you more information on the BGA surface mount, using a BGA Rework Station,

http://www.ersa.com/art-ir-pl-650-346-1472.html

Scroll down towards the bottom, click on the red -
Take a few minutes to view the IR 650 demo video

HP Support > Service Manual (Free),

http://h10025.www1.hp.com/ewfrf/wc/manualCategory?cc=us&dlc=en&lang=en&lc=en&product=1817059&

Click on -
Compaq Presario V3000 Maintenance and Service Guide
(Allow up to 30 seconds for the first page to come up)

Regards,
joecoolvette

Oct 21, 2012 | HP Compaq for Presario V3000 Motherboard

1 Answer

Connecting from laptop to tv wont work now. It was working fine previously


Check the display settings on your laptop to see if the external monitor output is disabled. There is usually a function key on the keyboard with a picture of a monitor on it which can be used to switch between internal & external monitors.
You may also need to try on another monitor/TV or change the HDMI lead.

Sep 27, 2012 | pcb Advent 5711 5431 Laptop M/b U41iix...

1 Answer

My hp pavillion tx 2000 laptop is not working.............. when i turn it on, all the relevant lights comes on but nothing appears on the screen. i only get a blank screen.................. what could...


If you hear it start up and the lights come on, try hooking up an external monitor. When you do, be sure to push the Fn key plus whatever special function key shows 2 monitors on it so the output will be directed to the external monitor.
Sounds like the LCD screen might not be working.

Apr 20, 2011 | Motherboards

1 Answer

All the lights come on when I switch on my HP Pavillion dv9600 but the screen is blank.


DO THIS FIRST - Perform a hard reset If a PC suddenly fails to boot properly, you should perform a hard reset as the first procedure.
  1. Disconnect all peripheral devices and remove all USB devices and media cards. You want to test the computer not the accessories!
  2. Disconnect the AC power adapter, remove the battery, and then press and hold the power button for at least 15 seconds .
  3. Reconnect the AC power adapter (but do not connect the battery), Press the Power button, Look for glowing LEDs near caps lock and num lock keys, and Listen for sounds of a disk drive and fan turning.
Actions to take after performing hard reset If no error message is displayed:

If a text error message is displayed, see Troubleshooting Error Messages on a Black Screen During Startup or Boot c02076104.jpg

Black Screen with No Error Messages Connect an external monitor c02076105.gif If there is a problem with the LCD display's back light or a corrupted graphics driver, the display may appear blank but the notebook may be displaying information. Attach an external monitor to test the display. If the image displays on the external monitor, there may be a graphics driver conflict. To resolve this, turn on the computer and press f8 key, then select Enable low-resolution video . If the image displays on the LCD display in low resolution, you can download and install the latest drivers for your specific graphics driver. If there is an image on the external monitor but the notebook display remains black, contact HP for technical assistance. Disconnect all peripherals and repeat the hard reset Even though users are instructed to disconnect all peripheral devices from the notebook when doing a hard reset , some devices are often overlooked. c02069237.gif Double-check that all devices are disconnected including: external keyboard and mouse (wired or wireless), USB connected external drives and devices, thumb drives and flash drives, network storage devices, PC card, SD memory cards, express card, eSata connections, firewire or similar devices, printer, scanner, camera, port replicator, or docking station, any CD/DVD from the optical disc drive, and any media from the multi-card reader.B
b52compters@gmail.com
B52computers
Chris Thrash

Jan 10, 2011 | HP Pavilion dv9500 dv9600 and dv9700 FF...

2 Answers

What are the appropriate steps to connect an external monitor to an HP Pavillion DV2000? When I try, nothing appears on the external screen... Thanks, RF


One of the function keys has a small monitor screen icon. Press that key while holding the Fn key, and you will enable the external monitor connector. These laptops don't automatically sense when you've connected an external monitor. On some models, the first press enables the external monitor and shuts off the laptop screen. If that happens, press the keys again and the laptop screen will come back on.

Oct 14, 2010 | HP 417035-001 - HP Pavilion dv2000 Series...

2 Answers

My screen is not working, it is black with lines. I have to hold it a certain way to be able to use it.


It may be the cause when u r using the lap 4 longtime......the Mozphet present in it got hot...........my advise dont use ur lap 4 2 days and store it in a cool place........there may be a possibility of change.......i also faced this kind of problem buddy.......cool...........

Nov 06, 2009 | HP Compaq Presario V5000 V5100 V5200 V5300...

1 Answer

Dual monitors


Most laptops have a function key to set which monitor is active. By toggling this key, you switch between laptop screen, external screen, and both.
On the keyboard, the key is usually Fn pushed together with one of the function keys that has a monitor logo above it.

Jul 22, 2008 | Intel Motherboard

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