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Wie stelle ich meine Helligkeit oder meinen Kontrast auf meinem Laptop ein?

 

Anpassen von Helligkeits- und Kontrasteinstellungen auf Ihrem LaptopWenn Sie Schwierigkeiten haben, die Helligkeit oder den Kontrast Ihres Laptop-Displays einzustellen, denken Sie daran, dass jedes Modell des Laptops (und jedes Betriebssystem) ein wenig anders ist. Im Folgenden werden allgemeine Möglichkeiten zur laptop bildschirm heller machen und Kontrast auf einem Laptop beschrieben. Einige der Optionen auf dieser Seite funktionieren auch bei der Anpassung von Helligkeit oder Kontrast auf einem Desktop-Computer.

laptop bildschirm heller machen

  • Einstellen der Helligkeit über die Tastatur.
  • Einstellung der Helligkeit im Betriebssystem.
  • Kontrast einstellen.
  • Steuern der Helligkeit Ihres Bildschirms in den Energieoptionen.
  • Mein Bildschirm ist schwarz und ich kann nichts sehen. Was kann ich tun?

Einstellen der Helligkeit über die Tasten Ihres Laptops

Bei den meisten Laptops können Sie die Helligkeit des Displays mit speziellen Tasten auf der Tastatur einstellen. Die Tasten sind in der Regel mit dem Helligkeitssymbol (Unicode Helligkeitssymbol) gekennzeichnet.

Häufig sind die Helligkeitstasten Funktionstasten, die eine besondere Funktion haben, wenn Sie sie bei gedrückter Fn-Taste drücken.

Die Fn-Taste befindet sich normalerweise links neben der Leertaste. Die Helligkeitsfunktionstasten können sich oben auf Ihrer Tastatur oder auf Ihren Pfeiltasten befinden.

Fn-Taste und Helligkeitstasten in der F-Tastenreihe

Fn-Taste und Helligkeitstasten auf der oberen und unteren Taste

Halten Sie beispielsweise auf der Tastatur eines Dell XPS-Laptops (siehe unten) die Fn-Taste gedrückt und drücken Sie F11 oder F12, um die Helligkeit des Bildschirms einzustellen.

Dell XPS Laptop-Tastatur mit Helligkeitstasten

Andere Laptops haben Tasten, die ausschließlich der Helligkeitssteuerung dienen. Auf der HP Chromebook-Tastatur (siehe unten) gibt es keine Fn-Taste – drücken Sie die Helligkeitstasten.

HP Chromebook Helligkeitstasten

Um die Helligkeit eines Chromebooks zu ändern, müssen Sie eine der beiden Einstelltasten drücken. Der kleine Gang senkt die Helligkeit, und der große Gang erhöht sie. Sie befinden sich oben auf der Tastatur, wie Sie im roten Rechteck unten sehen können.

Ein Bild einer Tastatur auf einem Google Chromebook.
Einstellen der Helligkeit im Betriebssystem

Sie können die Helligkeit Ihres Bildschirms auch über die Softwaresteuerung Ihres Betriebssystems einstellen:

  • Windows 10
  • Windows 8
  • Windows 7
  • Apple macOS
  • Linux

Windows 10

Unter Windows 10 gibt es mehrere Möglichkeiten, die Bildschirmhelligkeit einzustellen.

  • Verwenden des Batteriesymbols in der Taskleiste
  • Verwenden des Windows Mobility Center
  • Verwendung des Bedienfelds

So senden Sie WhatsApp-Chats, ohne die Nummer

So senden Sie WhatsApp-Chats, ohne die Nummer auf Ihrem Handy zu speichern.

Ist es möglich, WhatsApp-Nachrichten zu senden, ohne eine Nummer zu speichern? Hier ist eine detaillierte Anleitung, wie Sie WhatsApp-Chats senden können, ohne die Nummer auf Ihrem Smartphone zu speichern.

whatsapp schreiben ohne kontakt

Möchten Sie eine WhatsApp-Nachricht senden, ohne die Nummer von jemandem zu speichern? Möchten Sie wissen, wie Sie einen WhatsApp-Chat starten können, ohne die Nummer im Telefonbuch Ihres Smartphones zu speichern? Viele glauben, dass whatsapp schreiben ohne kontakt nicht möglich ist, einen WhatsApp-Chat zu starten, ohne die Nummer zu speichern, aber es gibt eine Möglichkeit, WhatsApp-Nachrichten an eine Nummer zu senden, die nicht in Ihrem Telefonbuch gespeichert ist.

So senden Sie Whatsapp-Nachrichten, ohne die Nummer zu speichern

  • Öffnen Sie den Webbrowser und fügen Sie dann ‚https://api.WhatsApp.com/send?phone=number‘ in die Adressleiste des Browsers Ihres Telefons ein.
  • Geben Sie anstelle von „Nummer“ die Telefonnummer der Person ein, an die Sie eine WhatsApp-Nachricht mit der Landesvorwahl senden möchten.
  • Beim Hinzufügen der Telefonnummer im internationalen Format sind Nullen, Klammern oder Bindestriche zu vermeiden.
  • Die von Ihnen angegebene Nummer sollte ein WhatsApp-Konto haben.
  • Klicken Sie auf die Schaltfläche „Nachricht“.
  • Sie werden zur WhatsApp-App mit einem Chat weitergeleitet, der für den genannten Kontakt geöffnet ist.

WhatsApp ist eine der beliebtesten Apps auf dieser Welt und fast jeder zieht es vor, heutzutage über WhatsApp mit einer anderen Person Kontakt aufzunehmen. Für Unbekannte begann WhatsApp als einfache Instant Messaging-App und hat sich inzwischen zu einer Komplettlösung für den Austausch von Medien und Dokumenten entwickelt, zusammen mit der Tatsache, dass WhatsApp Payments und WhatsApp Businesses auch mehr Möglichkeiten zur Nutzung dieser Facebook-eigenen Plattform bieten.

WhatsApp hat möglicherweise die traditionelle Textnachricht ersetzt, obwohl es nur wenige Vorteile der Textnachricht gab, die Sie bei der Verwendung von WhatsApp vermissen könnten. Als ob Sie keine WhatsApp-Nachricht senden können, ohne zuerst den Kontakt auf Ihrem Smartphone zu speichern. Aber was wäre, wenn wir Ihnen sagen würden, dass es eine Möglichkeit gibt, Nachrichten über WhatsApp zu senden, ohne dass Sie den Kontakt in Ihrem Adressbuch speichern müssen? Während viele glauben, dass es unmöglich ist, gibt es hier eine Schritt-für-Schritt-Anleitung, wie Sie eine WhatsApp-Nachricht senden können, ohne die Nummer auf Ihrem Smartphone zu speichern.

Wie Sie gelöschte Nachrichten auf Ihrer WhatsApp lesen können

Sie können auch Ihren eigenen Link mit einer vorgefüllten Nachricht erstellen, die automatisch im Textfeld eines WhatsApp-Chats erscheint, verwenden Sie https://wa.me/whatsappphonenumber/?text=urlencodedtext, wobei „whatsapponeumber“ eine vollständige Telefonnummer im internationalen Format und URL-encodedtext die URL-encoded pre-filled message ist.

Technical comparison of BTC, BCH and BSV

But what are the differences between the various bearings at the technical level?

Bitcoin (BTC)
Of the three projects, Bitcoin is the only one to have fixed the Transaction Malleability. The fix is SegWit. At the same time the block size was abolished and replaced by a block weight. It works like this: Each byte of a transaction has a „weight“ of four bytes. However, if it is a byte of the SegWit area (i.e. the outsourced digital signature of a transaction), then this byte weighs only one byte in the block.

Bitcoin formula transactions thus receive a discount

There are new address formats for Bitcoin formula. On the one hand these are the Bitcoin formula addresses, which begin with a 3. On the other hand there are the native P2WPKH and P2WSH, or Bech32 addresses, which begin with bc1.

SegWit was a soft fork. In other words, the members of the Bitcoin network did not have to actively agree. However, this also means that not all members of the Bitcoin network have yet benefited from the innovation. If we currently look at the Bitcoin ecosystem, we see that SegWit is only used in 40 percent of all Bitcoin transactions.

Finally, it should be noted that SegWit encourages the development of second levels – namely the Lightning Network.

Bitcoin Cash (BCH)
Since the Hard Fork in November 2018, Bitcoin Cash has had little resemblance to the Bitcoin Cash before this Hard Fork. Only the name has remained the same.

The biggest change, which also caused the controversy with SV, was the Canonical Transaction Ordering, CTOR for short. This would make scaling to extremely large blocks easier, because blocks can propagate themselves faster in the network. Bitcoin and Bitcoin SV, on the other hand, arrange their transactions topologically (TTOR). However, BCH does not yet have such large blocks, let alone the transaction volume. The chart shows the average number of transactions per block compared to Bitcoin (BTC).

Apart from a few spikes, the Bitcoin trader transaction volume is far below Bitcoin

The second controversial change is the activation of OP_CHECKDATASIGVERIFY (DSV). This allows Smart Contracts and Oracles to be integrated into the Bitcoin trader blockchain, for example: https://www.forexaktuell.com/en/bitcoin-trader-scam/

The Hard Fork also brought some smaller innovations, such as a minimum size of 100 bytes for transactions, a tidy stack and push-only for scriptSig. The block size remained unchanged at 32 megabytes.

In the Hash War, however, BCH suffered a severe war wound: Out of fear of a 51 percent attack through hidden mining, the developers of the implementation ABC used their power and installed checkpoints in the clients. This made it impossible to reorganize the blockchain over ten blocks. This action can be criticized as a shot into one’s own leg, as a result of which BCH moves further and further away from Satoshi’s actual „vision“, in which the chain with the most proof of work is to be regarded as a valid history of the transactions.

Bitcoin SV (BSV)
Satoshi’s vision lives on in Bitcoin SV. Under the leadership of Craig „Satoshi“ Wright, BSV is approaching the original version of the Bitcoin protocol again – of course without the initial bugs.

At the Hard Fork on November 15, BSV increased the maximum block size to 128 megabytes. Furthermore some OP codes of the original protocol were reactivated. Thus the vision of a full programming language on the protocol level is brought back to life. The Hard Fork also loosened the restrictions for scripts.

So BSV was able to save itself from the Hash War mostly unharmed. After all, one had to realize that the former Bitcoin Cash network was irreconcilably divided.

You can go your own way
History has shown that the Bitcoin community has fundamental differences of opinion. Bitcoin (BTC) sees the Store of Value as the added value of the crypto currency. Bitcoin Cash (BCH) and Bitcoin SV (BSV), on the other hand, emphasise the function of the medium in exchange. In some cases, these different perspectives led to forks in the path where communities split.

On the one hand, there is the beauty of an open source and unapproved software: Everyone may take the path that in his eyes is the best. On the other hand, the hard forks tear up the communities and prevent the network effect of a uniform, global means of payment.

For us users, the question arises as to which project is the best. But while the miners and developers have to decide where to put their energy, we can dance at all weddings. The last penny on the Bitcoin question has not yet fallen. So let’s wait patiently for a few more years and

The feminine side of Bitcoin news: BTC-ECHO in conversation with Fortunalista

It’s no secret in the crypto world: the abstract theme Bitcoin attracts mostly male interested parties. Since money affects all of us, regardless of gender, it was important to me to shed light on the views of our „pioneers“ in the scene. That’s why I had a little talk with Margarethe Honisch from Fortunalista.

Bitcoin news: Finances are not only a men’s topic

In the midst of discussions about price rises and wallets often found in Bitcoin news groups, I found an interesting article called „Why Bitcoin can change the lives of millions of women“. Bitcoin’s revolutionary potential is what unites most of us as enthusiasts across society. Blogger Margarethe Honisch explains how Bitcoin news can help women around the world achieve equality.

How she came to Bitcoin, how Bitcoin can now help in concrete terms, what her experiences have been and how Bitcoin will develop, we have put together for you in an interview!

Hey, Margarethe! I’m glad you could take the time for an interview. I don’t want to talk about the topic for long and prefer to hear your view of the crypto world.

How did you get to Bitcoin news? What aroused your interest back then?

I first heard about Bitcoin news about two years ago. The information was quite unclear to me and was almost always related to Darknet and Nerdgeld. At some point I finally noticed how the value was constantly changing positively and my investor heart was awakened. I finally informed myself more intensively about the Bitcoin news and its backgrounds and its origins. How and why did Bitcoin develop at all? What opportunities does it bring? The more I learned, the more enthusiastic I became and the fascination for Bitcoin and crypto currency was awakened.

Meanwhile I am not only investing in the Bitcoin, but also in various old coins. I think I’m probably what you call a risk investor. However, my experience with stocks has taught me to stay calm when the price falls again.

Many people, not least myself, have become aware of Bitcoin through its positive performance. The fact that you already had previous experience with stocks probably also benefited you. You also share your experiences with other people via your blog „Fortunalista“. What is it about?

Fortunalista is a financial blog that is aimed at women who don’t really want to finance. All my life I have never been interested in saving or investing because I found these topics incredibly stuffy and boring. At some point the penny fell – in the truest sense of the word – and I thought to myself that I couldn’t always hit all my money on the head. When I then began to read myself into the matter, I found it quite exhausting. I thought it might be possible to make the topic a little more interesting. So the idea was born to create a financial blog for women, which is entertaining and conveys everything important.

First of all, I want to motivate women to deal with their finances at all. We women in particular are most affected by poverty in old age for a wide variety of reasons. In my opinion, one cannot always rely solely on politics, but must also act oneself. I would like to give my readers the tools they need to be financially secure. Since I would like to show that one does not have to do without the pleasant things of the life despite savings plan, Topics like journeys or clothes are just as brought up for discussion as gender gap, shares and crypto currencies.

A super philosophy! Especially our crypto-world is also about personal responsibility, those who wait for politics may wait in vain – so rather take the helm yourself! Now the proportion of women seems to be relatively low, what experience have you had as a „pioneer“? Were there certain reactions from men or women? What do you think might be of particular interest to women?

In fact, I have found that both men and women look at me like a freak when I talk about Bitcoin. Above all, many people can’t believe that I know a little and invest a little.

But it becomes interesting when you try to explain to people in simple words what „this Bitcoin“ actually is and what the advantages are. Most people saw it for a long time in the illegal corner. With

US economist Roubini: „It’s high time to end the blockchain hype“

HOME POLICY REGULATION US ECONOMIST ROUBINI: „IT’S HIGH TIME TO END THE BLOCKCHAIN HYPE.“
Nouriel Roubini and Preston Byrne Fellow of the British think tank Adam Smith Institute are sceptical about the blockchain hype. The scientists write in an article that Blockchain could be „one of the most highly acclaimed technologies of all time“. Roubini, who used to work for the US government, the International Monetary Fund and the World Bank, is nicknamed „Dr. Doom“ because of many pessimistic forecasts, but in some cases he was right. For example, the economist warned early on of the bursting of the real estate bubble in the United States and the resulting consequences.

Roubini and Byrne hardly leave a good hair on crypto currencies and Bitcoin code

The latter are less efficient than existing databases, the latency is higher, and they need significantly more storage space and computing power than centralized applications, according to onlinebetrug. Blockchains with proof-of-stake or zero knowledge mechanisms are slowed down by the cryptographic verification of all transactions. Blockchains based on the proof-of-work method used for many crypto currencies would also require enormous amounts of energy. Bitcoin code could be useful in cases where a compromise between speed and verifiability is worthwhile. Roubini and Byrne complain, however, that the technology is rarely advertised:

„Blockchain investment proposals usually make wild promises of overthrowing entire industries, such as cloud computing, without conceding any obvious limitations to the technology.

The scientists raise the question of why banks that already use efficient systems to process millions of transactions on a daily basis should switch to noticeably slower and less efficient technologies. For the purposes of financial institutions, a single, globally distributed blockchain like Ethereum could „never be useful“.

No universal Bitcoin code

The assumption that Bitcoin code is a new, universal protocol is wrong, as TCP-IP or HTML were for the Internet. Blockchains themselves were based on basic protocols. In addition, blockchains must take into account the limitations of their users‘ hardware and protect themselves from attacks. This explains why the Bitcoin client Bitcoin Core can only process five to seven transactions per second, while Visa can process 25,000 transactions per second. Roubini and Byrne consider the problem of blockchain scaling „more or less unsolved“. The scientists are also harshly going to court with the utopia of „lack of trust“, which allegedly produces the blockchain by making intermediaries superfluous. This is „absurd“ for one simple reason alone: https://www.forexaktuell.com/en/bitcoin-code-scam/

„Every existing financial contract can either be changed or intentionally broken by contracting parties. To automate these possibilities away through a rigid ‚lack of trust‘ is not economically feasible, not least because all financial contracts would then have to be secured 100% in cash, which is crazy from the perspective of capital costs“.

„Energy-inefficient dinosaur.“

„It’s high time to end the hype,“ Roubini and Byrne sum it up. Bitcoin is a slow, energy-inefficient dinosaur that will never be able to process transactions as quickly or cheaply as an Excel spreadsheet. Ethereum becomes vulnerable to manipulation through plans for an insecure proof-of-stake authentication system. And the ripple technology for cross-border interbank financial transfers will soon be „left behind in the dust“ by Swift. The fact that Roubini and Byrne describe Swift in their article as a „non-blockchain“ consortium is not entirely correct: As BTC Echo reported, the organisation, which standardises news and transaction traffic between financial institutions around the world, is certainly concerned with distributed ledger technologies (DLT), for example for applications in securities markets or for reconciling nostro accounts.

The scientists‘ conclusion: „Ultimately, block-chain use will be limited to specific, clearly defined, complex applications; transparency and security against manipulation require more than speed“. One example is communication with self-propelled cars or drones. When it comes to crypto currencies, the conclusion is even more pessimistic. „Most coins hardly differ from railway shares of the 1840s, which collapsed when the bubble – like most bubbles – burst.“

Despite Hard Fork: Ethereum Blockchain still under attack

Even though yesterday’s Ethereum Hard Fork went according to plan, the Blockchain attacks continue as usual.

This time the Ethereum Blockchain was due for hard forking last Tuesday because the Blocckhain has been the target of a sustained DoS attack for a month now. After weeks full of problems with transaction processing and generating new blocks, the development team behind Ethereum has decided to change some network features. Miner and users promptly followed up and updated their clients (also known as the „hard fork“).

The smooth transition to a new transaction record was also what the developers expected, because this time the Hard Fork was just a technical change – unlike the Hard Fork to solve the DAO debacle. Here the blockchain has been rewritten.

But the developers didn’t expect the Bitcoin profit

The attackers seem to have put on another gear. They are using a probably unpredictable Bitcoin profit, which could only be fixed now.

According to Hudson Jamson of the Bitcoin profit Foundation, the developers are currently working on a solution: „We are currently working on a client update to mitigate the problem until the second hard fork. Second Hard Fork follows. Since the attackers used different attack vectors, the developers had planned two consecutive hard forks from the beginning.

The first fork served to correct the „gas price“, since the attacker or attackers used the incorrect calculation of the gas price to flood the block chain with transactions and contracts, forcing the individual nodes with CPU- or memory-heavy operations to their knees. The second fork is designed to eliminate all „spam accounts“ created by the attackers. The attackers currently create so many accounts that they clog up the entire network and cannot be dismantled.

What happens next to the Bitcoin profit?

Even after the second hard fork you are not sure how to proceed like this: https://www.forexaktuell.com/en/bitcoin-profit-scam/. Maybe the attackers will then find another gap. The wave of attacks has sparked a big discussion about how the Bitcoin profit developers can protect the network from such attacks in the short, medium and long term.

Some say the attacks are an inevitable consequence of how the Ethereum network is built – more platform functionality, unlike other blockchain networks, means a larger attack surface at the same time.

After the new wave of attacks, BitGo developer Jameson Lopp wondered how many hard forks the network would need to finally plug all the holes.

„The real problem is that there is not enough testing,“ says IBM blockchain specialist Martin Hagelstrom. „Even if the developers talk about the problems, they don’t seem to be fully aware that there is 1 billion US dollars in their network.

Other observers, however, were optimistic, including Marco Streng, CEO of Genesis Mining. He says he is impressed by what the Ethereum network has been through in recent months and how they have mastered it:

„All this is a clear sign that Ethereum will come out of this stronger than they have ever been before“.

Author’s opinion (Mark): Yes, the technology isn’t yet secure against every conceivable type of attack, and the development team behind Ethereum is trying to plug the holes. First the DAO disaster, which of course wasn’t the Ethereum Enwtickler’s fault alone, and then the ongoing DoS attack that brings the whole network to its knees. I agree with Jameson Lopp to a certain extent. The technology has obviously not been sufficiently tested for such a big undertaking. Everyone here wants to be the first and bring the best solutions onto the market. Only these should then be thought through accordingly. We’re not talking about an apple pie that can be forged here and there, but about 1 billion US dollars.“