PS4 error CE-34788-0 is an error that usually appears right after the console has downloaded a new update and appears during startup along with the message:
«This update file cannot be used
Cannot use the update file on your USB device. To install an update file from USB, make sure you are using the correct update type:
For a standard upgrade, you will need the latest version of the system software which can be downloaded from eu.playstation.com/get-help/ps4-system-software/. »
There are not many ways to solve the problem, but the ones we present below will almost definitely solve the problem if the instructions are followed carefully.
What Causes PS4 Error CE-34788-0?
The most common cause of this problem is a faulty update file that you downloaded automatically for your console or that you tried to install manually using a USB storage device that caused a black screen instead of a normal startup.. Fortunately, there is a way to fix it by re-downloading the PS4 system completely to a USB device and reinstalling it from there.
Another thing that can solve the problem is simply a hard reset. This works in fewer scenarios, but it's worth a try, since it only takes a minute, unlike the previous method.
Solution 1: restart your PlayStation 4
Restart a PlayStation device 4 it could work wonders and we recommend that you give it a try if you ever get PS4 error CE-34788-0 when trying to update it. This can easily solve the problem without trying to install the whole system again manually and it may only take a minute.
Please follow the steps below carefully to achieve the full effect of restarting the PS4 and we hope you will no longer see the error once done..
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Press and hold the power button on the front of the Xbox console until it shuts down completely.
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Unplug the plug from the back of the PS4. Hold down the PS4's power button several times to make sure there is no power left and this will actually clear the cache and drain the PS4 of any current. Make sure to leave it unplugged for a couple of minutes.
Disconnect PS4
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Plug in the power pack and wait for the light located on the power pack to change from white to orange.
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Restart the PS4 as you normally would and see if the PS4 error CE-34788-0 still appears when the console starts.
Solution 2: install updated system manually
This might be your only method to solve the problem if the hard reset method doesn't work, as countless users said that the error message disappears after they have downloaded all the settings for PS4 from its official website and installed it with a device. USB.
There is a big downside to this method and it is the fact that you will lose your personal data. Since this is probably the only way to solve the problem, you may want to accept the fact that you are about to lose your data or you can make a backup before doing a hard reset by following this first set of steps.
PROFESSIONAL SUGGESTION: If the problem is with your computer or laptop, you should try using Reimage Plus, which can scan repositories and replace damaged and lost files. This works in most cases, when the problem originates due to system corruption. You can download Reimage by clicking here
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You will need to use a USB storage device formatted in FAT or exFAT. Make sure to fully insert the device into the USB port. Some devices are not supported due to their shape or design.
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On the function screen of your PS4, select Settings and navigate to System> Backup and Restore. Choose the PS4 Backup option on the new screen.
Backup and restore
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Press X to add a check mark in the save section of the app.
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Your PS4 will now restart and transfer all the data it has stored. Depending on the amount of data, it could take a couple of hours, up to more than a day.
After fixing this little problem, you can go and reboot the PS4 with the file you will download from the official PS4 website. You will still have to use another USB storage device to save the file, I should have around 900 MB.
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Turn on your computer and create a folder called “PS4”. Open that folder and create another call “TO UPDATE”.
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Download the update file for your PS4 from the official PlayStation website and move it to the UPDATE folder you just created. Name the file “PS4UPDATE.PUP”. You can download the latest update file by navigating to this location. Scroll to the bottom and click “Perform a fresh installation of the system software”. Look for the download button.
System file download
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Move the entire PS4 folder that you created on your computer to the root folder of the USB storage device that you own. Make sure you have at least 320 MB of free space on your USB device. Connect the USB drive to your PlayStation 4.
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Turn on your PS4, click the button on the PlayStation to navigate to the function screen and then open Settings >> System software update.
PS4 system software update
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PS4 should automatically recognize update files if you have named folders and files correctly. Just follow the onscreen instructions to continue. If the file is not recognized, check if you have named and placed the folders correctly in the steps above.
The last step in this method will be to restore the backup you have created for your games and user settings. Can be done easily after resetting the software, so you don't need to worry about data loss.
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Plug in the USB stick you used to back up the game files to the system.
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On the PlayStation Home Menu Function Screen 4, select Settings> App saved data management> Data saved on the USB storage device> Download to system storage. Select a title.
Download to storage system
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Press X to add a check mark in the checkbox of the saved data you want to copy and then select Copy. The files should be there.
SUGGESTION: If none of the methods have solved your problem, we recommend that you use the Reimage repair tool, which can scan repositories to replace damaged and lost files. This works in most cases, when the problem originates due to a system corruption. Reimage will also optimize your system for maximum performance. You can download Reimage by clicking here
