Defective pixel classes - TUXEDO Computers

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Defective pixel classes

The display of a modern computer is made up of millions of small pixels. The individual pixels themselves consist of 3 sub-pixels each for the colors red, green and blue. An HD+ display with 1600 x 900 pixels, for example, consists of 4.32 million individual screen cells controlled by tiny transistors.

With such a gigantic number, it is possible that, despite the highest quality standards, one or more individual cells do not function perfectly and are permanently switched on or off. This results in permanently lit or permanently black pixels on the screen.

The ISO standard 9241-307 defines quality classes in this respect and ensures transparency with regard to warranty claims by end customers, dealers and wholesalers against manufacturers. By committing to an ISO defect class, monitor manufacturers undertake to comply with the relevant standard in series production.

As explained in the table below, the pixel error classes are based on the number of pixel errors and the specific error type. A distinction is made between the following three error types:

  • Error type 1: Permanently illuminated pixel
  • Error type 2: Permanently black pixel
  • Error type 3/1: Defective subpixel (red, green, blue), constantly illuminated
  • Error type 3/2: Defective subpixel (red, green, blue), constantly black

The ISO error classes are defined as follows per 1 million pixels:

Error class Max. No. of type 1 Max. No. of type 2 Max. No. of type 3/1 Max. No. of type 3/2
Ⅰ 1 1 2 5
Ⅱ 2 2 5 10
Ⅲ 5 15 50 50
Ⅳ 50 150 500 500

All notebooks sold by us correspond to the pixel error class Ⅱ, unless otherwise stated in the item description. The following maximum permissible pixel errors result for the typical display resolutions according to ISO standard 9241-307.

Standard Resolution No. pixels Max. No. of type 1 Max. No. of type 2 Max. No. of type 3/1 Max. No. of type 3/2
Full-HD 1920 x 1080 2073600 4 4 10 20
WUXGA 1920 x 1200 2304000 4 4 11 23
WQHD 2560 x 1440 3686400 7 7 18 36
3K Omnia 2880 x 1800 5184000 10 10 25 51
UHD 4K 3840 x 2160 8294400 16 16 41 82

If your device has more pixel errors than permitted, please contact our Support. If, on the other hand, only a few pixel errors can be identified, then perhaps these tricks will help you.

Service & Support

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Linux at TUXEDO

Are you wondering if Linux is right for you? Our team will be happy to answer your questions and explain details about the free operating system at TUXEDO.
Let the advantages and services convince you!

Hardware

Notebook, PC, both - and which model? Our technical service team also provides advice on selection, equipment and puts together suitable offers for your technical requirements.

Questions and Answers

In addition to consulting on Linux on TUXEDO devices, our technical service team is of course also available for all other questions about Linux at TUXEDO.


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Instructions and Tips

Most situations can be solved quickly and easily by yourself. This saves you time and you can use your device directly again. We provide you with instructions, first steps and short tips for all TUXEDO models.


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System Recovery

Even in the case of a case, you don't have to rely on us: Your device can be reset to the factory settings - completely automatically! Everything is included with your order and you can get started right away.


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Technical Service

Our competent technicians are also happy to help with service requests. You have different possibilities to contact us. We are personally there for you Monday to Friday from 9 am to 1 pm and from 2 pm to 5 pm. But also outside these times you can contact our team with your request by e-mail.
An extra function is available in your customer account for repair requests (RMA).

 

Contact

We are personally there for you Monday to Friday from 9 am to 1 pm and from 2 pm to 5 pm (German time). But also outside these times you can contact our team with your request by e-mail. Please include your customer number, the model name of your laptop or PC and as detailed a description of your request as possible. The more details you give us, the faster we can process your request!

We might not be able to answer questions about third party hardware or software. For questions about popular open source software (Thunderbird, Filezilla...) please contact a forum e.g. ubuntuforums.org. The research effort for application specific setup is immense and not manageable at the current time. Basic compatibility questions e.g. are of course still welcome!

An extra function is available in your customer account for repair requests (RMA).

 

Shipping costs & delivery times

We ship your order to almost all countries, in Europe mostly even free of charge! The respective shipping costs and the cost threshold above which we will cover the costs for you can be found here or for international shipping in the table below.

 


Free shipping within Germany

There are no shipping costs within Germany for goods worth €100 or more.

 

7.99 € shipping cost at max!

No matter how many small articles you order, such as USB stick card reader, LAN adapters or fan articles, with us, you pay a maximum of 7.99 € shipping costs.

  • 7.99 € shipping fee for all orders below 100 € of goods
  • Free shipping from 100 € total value of goods

You can check all occurring shipping costs or if we even deliver for free right before sending your order!

 


International delivery

Here are the shipping costs as well as the amount threshold for your order. The threshold is referring to the total amount of your order, which enables free shipping.

⚠️ Countries to which we unfortunately cannot ship, and information on how you can still order from us, can be found here!

 

Country Shipping Fee Free Shipping From
Albania 99,00 EUR -
Andorra 59,00 EUR -
Belarus Temporarily no delivery possible 59,00 EUR -
Belgium 8,49 EUR 100 EUR
Bulgaria 15,99 EUR 160 EUR
Denmark 8,49 EUR 100 EUR
Estonia 15,99 EUR 160 EUR
Faroe Islands 129,00 EUR -
Finland 14,99 EUR 150 EUR
France 9,99 EUR 120 EUR
Greece 22,90 EUR -
United Kingdom 9,99 EUR 120 EUR
Hong Kong 199,00 EUR -
India 199,00 EUR -
Ireland 14,99 EUR 150 EUR
Island 129,00 EUR -
Italy 9,99 EUR 120 EUR
Japan 99,00 EUR -
Canada 99,00 EUR -
Croatia 34,90 EUR 500 EUR
Latvia 15,99 EUR 160 EUR
Lithuania 15,99 EUR 160 EUR
Luxembourg 8,49 EUR 100 EUR
Macau 199,00 EUR -
Malta 34,90 EUR 500 EUR
Macedonia 59,00 EUR -
Moldova 199,00 EUR -
Monaco 19,00 EUR -
Montenegro 99,00 EUR -
Netherlands 8,49 EUR 100 EUR
Norway 14,99 EUR 150 EUR
Austria 8,49 EUR 100 EUR
Poland 15,99 EUR 160 EUR
Portugal 14,99 EUR 150 EUR
Romania 15,99 EUR 160 EUR
San Marino 9,99 EUR 120 EUR
Sweden 14,99 EUR 150 EUR
Switzerland 13,99 EUR 150 EUR
Serbia 34,90 EUR 500 EUR
Singapore 199,00 EUR -
Slovakia 15,99 EUR 160 EUR
Slovenia 15,99 EUR 160 EUR
Spain (without Canary Islands) 14,99 EUR 150 EUR
Czech Republic 15,99 EUR 160 EUR
Ukraine Temporarily no delivery possible 129,00 EUR -
Hungary 15,99 EUR 160 EUR
USA including Hawaii 99,00 EUR -
United Arabic Emirates 199,00 EUR -
Cyprus 34,90 EUR 500 EUR
Qatar 199,00 EUR -

For orders outside the EU there might be additional duties, taxes or charges needed to be paid by the customer. These don't have to be paid to the supplier, but to local authorities. Please check for any details with your local customs or tax authorities before ordering! But as a benefit you don't have to pay German taxes, this means you save up to 19%!
Due to the Brexit and the associated changes, there may be delays of several days in customs clearance on site for deliveries to the UK. This is not within our sphere of influence, so we ask for your understanding.

 


Time of delivery

If not stated differently in the article's description, we deliver goods in:

  • 7-10 working days within Germany
  • 10-12 working days outside Germany

For orders paid in advance, the delivery time starts with receipt of the payment. Please keep in mind that there is no delivery on Sundays or on holidays.
For goods delivered as download, there will be no shipping fees due.
Access data for downloads are sent out via e-mail 1-3 working days after contract formation. For orders with advanced payment, we will deliver after receiving the payment. You can download the item by using the link sent to you via e-mail.

Self-pick-up of orders is not possible, unfortunately.