Re: i upgrade to v5.02 and now my psp wont recognize any...
Be sure that you have your games saved in a folder named - ISO. You also need to have a CFW or homebrew enabled PSP. If you upgraded to official firmware than your PSP won't be able to use the game files.
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you may have to format the card. Also make sure your card is not placed in the lock position.
How to Fix a PSP Memory Stick
your PSP's Firmware (its operating system) before doing anything else.
Firmware 5.0 solves many software problems that are encountered with
older memory sticks. You can upgrade it by simply connecting your PSP
to any wireless connection through its WiFi. Once a connection is established, the PSP will update itself automatically.
Check to see that your memory stick's plastic tongs, the small sticks that separate each connection, are straight. If one is bent, your PSP will not recognize the stick.
your memory stick if it still does not work. Insert it into a PC with a
memory stick slot. You will most likely be able to see all of your
saved files. If so, continue to the next step. If you still cannot see
your files, then your memory stick is defective, and it is not the
Copy your files from the memory stick to the hard drive.
your memory stick using the "Format Disk" option in Windows. Open
Windows Explorer, and find your memory stick listed in the "Drives"
section. Right-click on the memory stick, and click "Format." Follow
the on-screen instructions in the windows that pop up.
your memory stick into your PSP. It should recognize the disk now.
However, you now need to format the memory disk again with the PSP.
Go the PSP main menu, and select "Settings." Then select "Format Memory Disk."
your memory stick back in your PC, and return the files you removed
earlier. When you reinsert the stick into your PSP, it should now see
all the files.
The file is not supposed to be opened by your PC. You have the transfer the file from your PC to the PSP. To do this, you need a USB cable and you have to plug your PSP into your PC.
Prepare to save the update data on either system storage or Memory Stick Micro™ (M2)™ media, using one of the following methods:
Connect the PSP® system to the PC using the USB cable
Connect a commercially available Memory Stick USB reader/writer to the PC
Use the Memory Stick slot on a PC
Create a folder for the update data on either system storage or Memory Stick™ media.
Using your PC, create a folder named "PSP". Within the "PSP" folder,
create a folder named "GAME". Within the "GAME" folder, create a folder
named "UPDATE". (Folder names must be in all uppercase letters).
Download the update data for the PSP-N1000 (PSP®go) series and save it in the "UPDATE" folder created in step
Notice You must save the downloaded data as
noted in these instructions. If you do not save in the correct location
and with the filename shown below, the system will not recognize the
Are you trying to play the game from the memory stick? Or are you trying to play a game from the UMD and retrieve the saved game data from the memory stick?
5.00 m33 is a custom firmware that allows the PSP to play games stored on a memory stick. If you upgrade to 5.50, which is an original Sony firmware, that functionality will go away. If you have custom firmware, you should never upgrade it or the features like playing homebrew or loading games from a memory stick will go away.
You just connect the psp to your computer using a usb cable.Then create a folder in your Memory Stick Duo named “PSP“, under this folder, create a sub-folder named “GAME“, under this sub-folder, create another sub-folder named “UPDATE” (Note: all folders name must be CAPITALIZED).Download the PSP 5.51 update file via this link:
http://du01.psp.update.playstation.org/update/psp/image/us/2009_0611_148d2a024741df54eacabbc79d9f3014/EBOOT.PBP.Save the file as “EBOOT.PBP” to your desktop then inside the UPDATE folder copy the EBOOT.PBP.Then go to games>memory stick and hit the x button there should be an game press x again to upgrade.The udpate process will take about 10 minutes.Thats all.
My suggestion is: 1. Format the memory with computer. Make sure it's FAT, not NTFS or FAT32. 2. Move the card into your psp and format it again. 3. Make sure it's shown 4gb from your psp. 4. Put your games into the memory stick.
If all steps above do not work it's probably a card reader related issue. Btw are you using a card reader or direct psp-pc usb connection?
You most likely need to format the memory stick with the PSP. What may have happened is once you've upgraded, the PSP re-rooted itself into the memory stick. So it's looking for a folder that doesn't exist. (But that's just what I think...) I've had this problem also. After you format it with the PSP, it should work fine. As for your game files, they should still be saved on the memory stick. Search all your files with your computer then save them to your computer so they don't get formatted. After the format, put the files back onto the memory stick where they belong and everything should work fine! Please ask if you have any questions!