How to regain access to hard drive, fix error of not being able to open hard drive
In this article, we will guide you how to regain access to your hard drive when it fails. Let's follow along!
Code game Kiem Hiep 4.0 for new players to help them get acquainted with the game faster and also to prevent players from getting discouraged when they first join the game. Even for many long-time players, giftcode is still something that attracts many players. You can immediately use the Kiem Hiep 4.0 codes to redeem gifts according to the code table below.
Table of Contents
| Code | Bonus | Code status |
KIEMHIEPVJPPRO |
Redeem this code to receive rewards such as gold ingots, reward chests, money, costumes... | Still in use |
GIANGHOPROVIP |
Redeem this code to receive rewards such as gold ingots, reward chests, money, costumes... | Still in use |
KIEMHIEP999 |
Redeem this code to receive rewards such as gold ingots, reward chests, money, costumes... | Still in use |
DAIHIEP888 |
Redeem this code to receive rewards such as gold ingots, reward chests, money, costumes... | Still in use |
DEMNGUOC3 |
Redeem this code to receive rewards such as gold ingots, reward chests, money, costumes... | Still in use |
DEMNGUOC2 |
Redeem this code to receive rewards such as gold ingots, reward chests, money, costumes... | Still in use |
DEMNGUOC1 |
Redeem this code to receive rewards such as gold ingots, reward chests, money, costumes... | Still in use |
Step 1: First, complete the quests at the beginning of the game until you see the Benefit icon.
Step 2: Enter all the codes in the code table above into the code entry box and select Receive Reward

Step 3: If the code is still valid, you will see a notification displayed as shown below.

Step 4: Once you have finished exchanging the code, go to the main screen and select the Mail icon next to the chat box.

Step 5: Select Receive gift in each letter to receive the rewards exchanged from the giftcode.

Step 6: In some code rewards, you will receive a reward chest and the system will suggest you to open the chest to use the reward.

Or simply save this Quantrimang.com website to your bookmarks bar if you are using Coc Coc or Google Chrome and check back every day to update new codes and redeem codes for rewards.
There are many reasons why you cannot enter the code to redeem the reward. But mainly it will be:

Here are some ways to fix the error of not being able to enter the code for Kiem Hiep 4.0:
In this article, we will guide you how to regain access to your hard drive when it fails. Let's follow along!
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