Question about Umax ActionBook 530T PC Notebook

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Old umax 320t

The back light come on but the screen does not work

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Re: old umax 320t

Sounds like the ribbon cord is unpluged or pinched

Posted on Jan 14, 2008

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Changed the lcd screen but all i have is a white screen

1) Loose connection of the Video Cable TO the motherboard, and/or TO the back of the LCD screen.

Can easily happen when reassembling.
(If you can't reuse the sticky tape on the back of the LCD screen, that holds the Video Cable to it, use more tape )

2) Incompatible LCD screen.
MATCH up the manufacturer's numbers on the back of the old LCD screen, to the new one.

They MUST crossover, and match up, if they are two different LCD screen manufacturers.

The screen Inverter is MATCHED to the LCD screen, also.

Matching up the Model Number, (Product Number for HP), may not be all the info you need.
Matching the numbers off of the old screen, for the new one, is.,Mini,1000,Laptop,LCDs-Displays.aspx

Under the red heading - Find Your Spare Parts - click on the blue Down Arrow to the right of the - Choose Model - box.
What Model is yours?

Write down the manufacturer and product ID number.
Now go to the far upper left of the page. In the box under - Part Number Search, type the letter/numbers for your old LCD screen.

On the page that comes up. Do they match?
Putting the letter/numbers in for the LCD screen you just purchased.
Do they match?

IF the old LCD screen works at all, reconnect it, and see if it works.
If so the LCD screen you purchased does not.

3) Make SURE the screen Inverter cables (Wires) are connected tightly.

[ Check the connection of the Video Cable to motherboard first.
Then the Inverters wires, then the Video Cable connection at the back of the LCD screen ]

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 lights

The HP Mini 1000 series of Netbook PC's uses a CCFL.
Cold Cathode Fluorescent Lamp.

Similar to Fluorescent lighting used in homes, and businesses, but on a MUCH smaller scale.

OR a series of LED lights. Depends on the model. (8.9 inch LCD screen models usually use CCFL. 10.1 models usually use LED lights)

A screen Inverter (FL Inverter) is used to convert power from the laptop, for the Backlight, and LCD screen.

Make sure there is 6 Volts DC power going through the Inverter.

90 PERCENT OF THE TIME the fault is the Inverter ]

HP Mini 1000 and Compaq Mini 700 - Maintenance and Service Guide

For additional questions please post in a Comment.


Jan 28, 2012 | HP Mini 1000 Netbook

1 Answer

I have a HP laptop with Windows vista basic operating system. Kindly advise me the driver for UMAX Astra 5600 scanner for my above laptop and the site for downloading the same.

Hello Asha,

You will probably not like what I will say but it is the case.

Umax only supports this scanner in Windows 98/98SE/ME/2000/XP.There is no driver written for Windows Vista.

This info is available on UMAX site itself. You can check it here :

Hope to have answered to your question.

Best of luck !!!

Jul 06, 2011 | PC Laptops

1 Answer

I have a Umax UTV 330 usb tv box but i have lost driver of this device so how can i get it back?? i urgently reqire this...

If you were to log on to the manufacturer's web site, I think you will be pleasantly surprised as usually one is able to download, by model number, Customer Instruction Manuals, list of Dealers for spare part supplies and Driver downloads (if applicable) as required.

The information is normally free of charge.

I hope this helps.

Jan 15, 2011 | Umax PC Laptops

2 Answers

To replace broken screen on acer aspire 5735

First you need to get the right screen. Take out the screen by removing the rubber bumpers on the corners of the lcd bezel, then unscrew the screws that were beneath the rubber. After that you will have to pry slightly on the edges of the bezel to unsnap it and remove it from the laptop.

After that you will remove the screws on the sides the attach the screen to the hindges. On the back of the lcd it will give the model number, ebay is a good source for lcd screens. Once you get a replacement screen, you disconnect the cable on the back of the lcd and bottom, and then repalce the screen and assemble in reverse order.

Sep 01, 2009 | Acer Aspire 5735 Notebook

5 Answers

How do i replace a toshiba qosmio f45-av411 lcd

First remove the battery from te laptop. Locate all the screw covers (in the front side) with the watch maker screen driver. There might be four of them. Once you remove the screw. covers, remove the screws and remove the front bezel. You can now separate eh front bezel. Locate the screen assembly. Remember, there might be laches. So, be careful not to break them. You will see the frame scrwes after this with the vedio cable quite visible. Just remove them to find the invertor. Thats it.. You have removed the LCD screen.

Hope this helps.


Aug 27, 2009 | Sony Toshiba Qosmio F45-AV411 Notebook

1 Answer

My laptop doesn't power on

For some reason my Umax actionbook 320t will not power on....What do i do

Aug 22, 2009 | Compaq PC Laptops

2 Answers

No display on Philips Freevents X59

It the back light or its converter stop working. Do you have any dark dispaly which can been if yoy see carefully in light?

Apr 12, 2009 | PC Laptops

1 Answer


If you put the old inverter back on and the system works, I'd suspect the inverter is bad. If the system is still a no post after putting on the old inverter, then you may have a motherboard problem now.

Apr 30, 2008 | Dell Inspiron 1501 Notebook

1 Answer

Umax actionbook stuck in hibernation??

try hitting ctrl+alt+del and then going to the processes tab and ending all instances of explorer.exe

you can also run a new process in there (go to File--> New Task...) and type in explorer.exe

Mar 25, 2008 | PC Laptops

1 Answer

Black screen on Acer 5100, but will work with external monitor

It sounds like the control board or cable for the LCD may be damaged. If you're still under warranty, you'll need to send it back to Acer to be repaired.

Feb 13, 2008 | Acer Aspire 5100 Notebook

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