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I am using lenovo G3000 series laptop. I cannot type keys like m,i ,o,p etc which are accompanied by digits.Am not able to turnoff one indicator on top of laptop as i don knw which keys ll make it off.Now am using extra keyboard . pls help..

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It sounds like something was exposed to the keyboard, hopefully no sticky liquids as they can jell up a key for sure. Try compessed air first, if thatdoesn't work, and your comfortable with removing the keyboard form the sysytem. Clean it internally, if not, is it under warranty? Contact support. If not under warranty, there are several reputable techs available to analyze the issue.

Posted on Aug 29, 2010

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You have to have NUMBERLOCK ON to use the number pad .if you don't want to use the number lock key all the time you can go into the bios and change the setting for numberlock , then your pc will boot with number lock on all the time.

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How do you remove laptop from lenovo mini dock plus


To remove the ThinkPad, from the ThinkPad Mini Dock Plus Series 3, the user turns the seperate key. The user does not need to remove the cable lock from the ThinkPad Mini Dock Plus Series 3

http://download.lenovo.com/ibmdl/pub/pc/pccbbs/options_iso/tp_minidockplus_series3-setupposter.pdf


otherwise I would take it to a local computer shop they may have a spare key laying around or have a trick to opening it.

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2 Answers

Lenovo p580 numlock off


What options have you tried ??

Number Lock on IBM Laptop Computers b> Laptop computers have the advantage being portable and self-contained, but among their drawbacks is a keyboard without a separate number keypad. While for most applications number keypads are unnecessary, they can be useful for data entry. Laptops sometimes provide a number keypad by giving certain keys double duty, allowing them to enter numbers rather than letters when a "Number Lock" setting is turned on. Number Lock, however, can get turned on accidentally, or enabled by an operating system by default, which can really mess up your typing. If typing "M" ends up displaying a "0" on your screen, Number Lock is probably the problem.

Try to locate the function key. On a T-series ThinkPad, it's in the lower left hand corner. It should be labeled "Fn," and the lettering may be blue, green or red instead of white. If your laptop lacks a "Fn" key, use the "Shift" key for Step 3 below instead. Locate the key labeled with "NmLk". On a T-series ThinkPad it shares a key with "ScrLk" which sits on the very top row between the "PrtSc" and "Pause" keys. On other IBM laptops, the "NmLk" key might share a key with "Delete." While holding down the "Fn" key or the "Shift" key, depending on your model, press the "NmLk" key. This should turn off Number Lock and restore your keyboard to its usual state. Number Lock on an IBM laptop is a "toggle" setting. You can turn Number Lock on by following the same steps.
also Examine your keyboard to ensure your "Number Lock" key is not activated. This activation is indicated by the key being lit up. If the key is activated, press it to deactivate the lock. The number lock key will deactivate an entire segment of your keyboard

Start, click Run, and type regedit to open the Windows registry editor. In the registry, open the below folders.

HKEY_CURRENT_USER\
Control Panel\
Keyboard\
Within the keyboard folder, you should have a string value named "InitialKeyboardIndicators" with a value of 0, 1, or 2. Below is the explanation of each of these values.

0 = Num Lock is turned OFF after the logon.
1 = Disable Num Lock.
2 = Numlock is turned ON after the logon.

Jan 30, 2013 | Computers & Internet

1 Answer

T42p display lights for a couple of minutes through startup then goes dark


But fan still runs, and it sounds like the harddrive is spinning?

Diagnose.

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

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

1) Laptop OFF, monitor OFF, connect the VGA monitor cable to the left side of the ThinkPad T42. (DisplayPort)

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

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

There are at least three display options available;
1) Internal monitor of laptop ONLY
2) Internal monitor of laptop 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 F7 key. The F7 key is the Display Toggle-Over key.

3) Good display on external monitor?
Problem is the video cable, or inside the Display Assembly.

Since the display goes dark after a couple of minutes, I can tell you the problem is the screen Inverter, or Backlight.
(Inside the Display Assembly)

90 PERCENT OF THE TIME the fault is a bad screen Inverter.

Primer:
An LCD screen cannot produce light. It needs an additional light source.
A Backlight is the additional light source.

A Backlight can be a CCFL, or a series of LED's.
(Light Emitting Diode)

The Lenovo ThinkPad T42 series of Notebook PC's, uses a single CCFL for a Backlight,

http://www.screentekinc.com/IBM__ThinkPad__T42-series-laptops-lcd-screens.shtml

A CCFL is a Cold Cathode Fluorescent Lamp. (Bulb)
Similar to Fluorescent lighting used in homes, and businesses, but on a MUCH smaller scale.

[Average thickness is 2mm. That is a little larger than 1/16th of an Inch.
Average length is almost as long, as the LCD screen is in height ]

A screen Inverter converts the power from the laptop, for the LCD screen, and Backlight.

(Older versions of backlighting that used a series of LED's, used a screen Inverter. Newer versions do not. For these replace the LCD screen)

A screen Inverter and an LCD screen are a MATCHED unit. Make sure you get the correct screen Inverter, or LCD screen, when buying.

Primer over.

One example of a screen Inverter for the T42's,

http://battery-adapter.com/product_info.php/products_id/3381/vThinkpad+T42

Pictorial guide for replacing a screen Inverter, in a ThinkPad T42 series of Notebook PC,

http://www.insidemylaptop.com/replace-screen-inverter-in-ibm-thinkpad-t40-t40p-t41-t41p-t42-t42p-laptops/

http://www.laptoprepair101.com/laptop/2007/01/31/replace-screen-inverter-fix-backlight/

Lenovo Support link to the Hardware Maintenance Manual, for the ThinkPad T42 series of Notebook PC's,
(HMM. It is a Service Manual),

http://support.lenovo.com/en_US/guides-and-manuals/default.page?

Click on the bold black subheading -
Hardware maintenance manuals
Then click on the blue -> [+] Click for files

It is a PDF file.
It may take up to 30 seconds before the first page comes up.

For additional questions please post in a Comment.
Regards,
joecoolvette

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I have got lenovo y410 series laptop.i am unable to type the key pads.somtimes only few letters gets typed or the letters gets repeated every time if i press the keys.


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Do this and let me know.
my email id is vivekathep@gmail.com

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hi,
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