Mojang's exploration and survival based sandbox game in almost endless, procedurally generated worlds. This tag is for (vanilla) Minecraft on the PC. See the tag wiki for related tags. Please note that questions requesting technical support for modded Minecraft crash issues are off-topic.

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5
votes
2answers
21k views

How do I change player name in Minecraft smp in offline mode on a Mac?

This post pretty much summarizes my question : How do I change player name in minecraft multiplayer in offline mode in Linux? I know for a fact that Mac and Linux are both Unix based And the ...
4
votes
1answer
28k views

Turning fullscreen on made Minecraft crash, and now it crashes on start every time

I switched to full screen on minecraft, the screen turned black as if it were loading it took a while so i closed minecraft and reopened it. When I logged on it gave me a program on my taskbar saying ...
2
votes
0answers
23k views

Minecraft Forge 1.7.10 keeps crashing as soon as I launch the game with EXCEPTION_ACCESS_VIOLATION (0xc0000005)? [duplicate]

After successfully installing Minecraft Forge 1.7.10 using the Windows Installer, the game crashes as soon as it begins to launch. After crashing, the games screen reads this: [12:09:24] [main/INFO] ...
0
votes
1answer
21k views

What do I do if I don't have a META-INF folder or minecraft.jar?

I have looked all over the Internet for solutions but I have got nothing. I want to install the minepainter mod but I need a META-INF folder and a minecraft.jar.
94
votes
9answers
34k views

How can I level water?

It may be my inner OCD, but situations like this annoy me to no end. Sometimes, a patch of water is "ruined" for no apparent rational reason and all attempts to restore it to normality are met with ...
35
votes
8answers
43k views

How do I find slimes in Minecraft?

In early alpha I remember Minecraft videos showing slimes deep underground. I think you would attack them then they split into several smaller slimes. But I've never found a slime for myself. In what ...
52
votes
7answers
11k views

What can I do to secure my towns/castles/hovels from climbing spiders?

So with the latest patch spiders can climb walls. What can we do to secure our towns/castles/hovels against these new mobile menaces? Does adding a lip to the wall work? Or is there some block they ...
17
votes
5answers
17k views

Can I play Minecraft on a USB flash drive?

I've got a 4 GB SanDisk Cruzer here with practically nothing on it, and I'm about to go house-sit for a friend with a computer but no internet. It sure would be nice to play Minecraft while he's away, ...
33
votes
6answers
103k views

What's the point of leveling up in Minecraft?

Starting with beta 1.8 prerelease, Minecraft players earn XP when they kill mobs! What are the benefits of leveling up? More health? More damage? Larger inventory?
24
votes
3answers
130k views

Can Minecraft Pocket Edition play with a desktop Minecraft on LAN?

My kids are playing Minecraft on 2 PCs, creative mode. They are connected by the way of one of them starts a single player game on the other one than joins that game over the LAN. Can I, using ...
16
votes
3answers
24k views

I've lost my portal home, and I am invincible. How can I leave the nether?

I've gone into the Nether and seemed to have lost my portal out of it, I also can't die in lava or by mobs attacking me, I'm appear to be invincible and can't die. This is Single Player by the way. ...
29
votes
4answers
184k views

How can I disable creepers block damage on my Minecraft server?

Please note that these are NOT acceptable solutions: Completely disabling monsters (peaceful mode) Completely removing creepers Completely disabling explosions (TNT + Creepers) Disabling creeper ...
3
votes
3answers
701 views

'Unbalanced Curly Brackets' Error with this command block code, what am I doing wrong?

I am trying to make a chest that is called 'I' that has another chest inside called 'II' that has another chest inside called 'III' that has another chest inside called 'IV' that has another chest ...
3
votes
2answers
56k views

I get a “bad login” message when trying to play multiplayer [duplicate]

When I try to play multiplayer I type in the only server I know, which the game says was right, then click Play and it loads. Then it says Can't connect to server: bad log in. How can I fix this?
2
votes
2answers
31k views

Minecraft Forge 1.7.10 will not start

My minecraft will not start on only that version, I have a Windows 7 computer with Java 8u20 installed, because the latest java 7 update will not work at all(plus imma dev for other stuff). ...
1
vote
1answer
8k views

I Can't Place Modded Blocks on my Minecraft Server

I am hosting a server with Kovacic's Mod installed onto it. When I enter the server, I walk far away from spawn and OP myself, yet nothing happens. I still cannot place blocks that are from the mod. ...
48
votes
6answers
22k views

Is there any way to cause lava source blocks to replicate in Minecraft?

You can create an infinite well using two buckets of water and a hole that is one block deep and two blocks by two blocks wide. I'm wondering if it's possible to do a similar thing with lava, now ...
34
votes
11answers
30k views

What's the best way to protect your house from Endermen stealing your walls?

Since Endermen are capable of picking up blocks, they can pick up your blocks from your house. What's the best way to prevent Endermen from stealing your blocks?
15
votes
5answers
91k views

How do I change player name in minecraft multiplayer in offline mode in Linux?

I have a small Minecraft server (beta 1.5), and every time I log in via offline mode from a client, my name is "Player". How can I change that? I know of a way to do it in Windows but it doesn't ...
46
votes
8answers
47k views

What persists after a respawn in Minecraft?

I've died a few times before reaching the point where I can get some action going; after each death I was unable to recover the contents of my inventory. Is my inventory lost forever after death? ...
12
votes
6answers
120k views

How do I change a spawner's type in Minecraft?

I want to change the type of my mob spawners on my server. My server is a vanilla server, as it has no mods. Is there a way I can edit it without mods? If not, is there a mod I can get to change them? ...
4
votes
3answers
55k views

How do I use F3 to get my coordinates when my laptop makes F3 a special key?

I can't get the coordinates on my computer because it keeps changing the brightness. I have a windows 8 Samsung, and I'm playing Minecraft version 1.6.4.
15
votes
3answers
11k views

How far should I place torches in a planar huge room?

I'm building a very large planar room. How far should I place torches from each other, in order to avoid mob spawning? In How far do I have to place torches so that mobs will not spawn near me? ...
14
votes
2answers
125k views

Why can't I mine diamond, gold ore, or redstone ore?

Normal blocks I can mine fine, but when it comes to diamond and gold ores, the block just gets "destroyed" (as in you can't pick it up). I'm playing on multiplayer with no spawning monsters.
6
votes
1answer
6k views

Why can't I log into minecraft with a mojang account?

I created a Mojang account and downloaded the Minecraft launcher, but when I started it up, I couldn't log in. Since the log in fields did not require a username, I tried typing in my email, and still ...
4
votes
1answer
167k views

Failed to Login : Invalid session (Try restarting your game) Minecraft Error

When I try to connect to servers or join up on lan worlds in Minecraft it says "Failed to Login : Invalid session (Try restarting your game)". Multiplayer used to work fine but now keeps coming up ...
0
votes
1answer
7k views

I'm getting a, “Pixel format not accelerated” error when I try to launch Minecraft [duplicate]

So when I launch Minecraft, before it finishes loading, it crashes. I do not understand what is going on. Could someone help me? Here is my crash report: ---- Minecraft Crash Report ---- // Don't be ...
31
votes
3answers
17k views

What's the maximum number of powered rails in a row that's useful?

I'm going through my rail network, replacing boosters with powered rails. However I'm finding that unlike boosters, which 'break' the laws of minecraft physics (by giving the cart much more momentum ...
73
votes
4answers
46k views

What happens when you reach the edge of the world?

In Minecraft, presumably the world is finite. What happens when you reach the edge of the world? Or will the world become too large to reasonably deal with before this happens?
30
votes
4answers
84k views

How can I clear the water out of this area?

I've sectioned of this area in the sea near my base, and I need to get rid of all the water from it. From what I've tried the only way I can see to clear it is fully cover one layer, delete the ...
12
votes
2answers
8k views

How can I randomly power one of several wires in Minecraft?

Given 5 wires (possibly more), I want to press a Reset button, and have exactly one of those wires, randomly selected, become active - and remain that way (until the next button press). What is a ...
27
votes
11answers
83k views

Can you turn weather off in Minecraft?

The arrival of Minecraft Beta 1.5 brought weather conditions. However, it can at times be inconvenient when you're trying to screenshot something and show it off (as it reduces lighting and obstructs ...
17
votes
2answers
3k views

How do I construct a safe sleeping area in 1.5 version?

Since 1.5 old rules for safe sleeping are no longer working. What are the new rules? With the addition of weather, sleeping in bed is much more important and old rules for safe placements of beds no ...
6
votes
2answers
4k views

Minecraft Command Blocks Help - Selecting previous target in a second command block

I'm trying to make a system that prevents players from using certain items: In one command block I have the following command "clear @a diamond_sword" executing constantly through a clock. Off the ...
19
votes
4answers
9k views

How do I downgrade Minecraft to play on a server running an older version?

How do I downgrade Minecraft to play on a server running an older version?
11
votes
1answer
45k views

Custom names and lores in Minecraft 1.7.2?

I have heard it was possible to change the names and lores of Minecraft items WITHOUT the use of third-party programs like MCEdit. Given the things that my friends have told me, and from the ...
24
votes
2answers
11k views

Minimum safe spacing between lava and flamable materials?

It seems that containing lava in solid glass, stone and iron blocks may not be sufficient to prevent wool from burning, even if the lava is completely encased. After some delay, it seems that ...
20
votes
1answer
119k views

Where are my Minecraft saves located?

On Minecraft I am stuck really far down (see this question) and can't get out. When I search for my save I can't find it. I am on a Macbook.
14
votes
1answer
466k views

What are all the gamerule commands in Minecraft?

I want to know what are the gamerule commands in Minecraft, and what do they do? Please help as I want to have special stuff without using mods and plugins!
12
votes
6answers
41k views

How do I get the 'On A Rail' achievement?

I'm a little confused by the On A Rail achievement in minecraft. Do I need to go to a point 1km manhattan/euclidean distance from where I started. Or If I went down 500m of track went back 500m of ...
9
votes
8answers
135k views

How do you allocate more RAM to Minecraft?

There is a lot of lag when I play Minecraft, and I think it's due to the ram I've allocated currently. (495MB) How do you allocate more RAM? EDIT: I checked my other computer (Intel i5 Core)and it ...
6
votes
3answers
51k views

Is Minecraft (PC) Controller-Friendly?

Am I able to use a controller to play the PC version of Minecraft? If so, can I just plug it in and play or do I have to do something else before being able use one?
20
votes
4answers
37k views

Why aren't there any passive mobs spawning in my single player world?

There used to be a bunch of pigs and sheep and cows and chickens, but ever since I've been building everywhere, they've vanished. I tried to create patches of grass with torches on them to get them to ...
17
votes
6answers
25k views

What features differ between the XBLA and PC versions of minecraft?

What differences does the Xbox 360 version of minecraft have compared to playing on the PC? EDIT: At the risk of this being too localized, I'm asking more about differences exclusive to each ...
9
votes
2answers
14k views

Super Secret Settings

In the new snapshot of minecraft (13w36b) there is a super secret setting in the options menu. when hitting the button an enderman-ish sounds play. Does it do anything or is it just a sound?
9
votes
2answers
5k views

How can I change my Minecraft username?

I want to change my Minecraft username, but I cannot find a way to do this anywhere. Is this possible? If so, how can I do so?
3
votes
1answer
36k views

Why does the connection time out when connecting to a server?

My friend had hosted a Minecraft server before and brought it back up today with my help. He and anyone in his LAN can connect. However we have had a few people try to connect, including me, and when ...
2
votes
1answer
7k views

Why is everything in minecraft opaque red and blue?

I have updated my drivers, updated java, restarted my computer and downloaded the game several times. When I try to play the game everything is duplicated in opaque red and blue. Does anyone else have ...
1
vote
1answer
11k views

Minecraft gave up trying to download files

I have an issue with my Minecraft launcher - I downloaded modpack for minecraft then the launcher started an update for the modpack version which it's 1.6.2, however then I started to get the issue ...
67
votes
8answers
39k views

What's the goal of Minecraft and what can users achieve in this world?

I heard a lot about Minecraft and I'm quite curious to know what can be achieved in this game and what's its goal. What mechanism keeps the game going?