Originally posted by xX
I was able to get into recovery mode by the instructions you gave me. pressed the home button optio 6 and install but it asked me by hdd needs to be reformatted,so I selected select and start which it asked me to reformat, and its stuck at 99 percent. doesn't go any further. im going to sleep and see if in the morning itll change, thanks for the help.
99% ugh i see... Installing that rebug 4.21 threw you back quite few steps. :\ regret linking you Derrek's thread & not mentioning to you not to install rebug 4.21..

*sigh* didn't think you would tbh. Thought you would do the convert process on that no-BD drive patched rebug 4.46 CFW i advised you to install... Oh well, can't change the past.
Anyway... If still after all these hours it's unfortunately still stuck on 99%, then turn off ps3 & attempt this:
Originally posted by HeyManHRU
I had the same problem but I fixed it (
You must login or register to view this content.). You can also fix it by taking out the HDD before the update begins, it will show you an error code at around 20%, it will start a countdown, wait for that to finish (leave the HDD out).
The PS3 will "restart" and ask you if you want to restart the PS3 or install the firmware on a USB by pressing "Select + Start" (make sure you have the update file in the right directory on the USB and it's plugged in first). Put your HDD back in and press "Select + Start", you can either try installing a CFW that doesn't check for a BD drive* [s]or cancel it so you can get kicked back to the XMB.[/s]
Researched/google'd quite a lot & found this also fix/method trick may work ->
You must login or register to view this content. but a second new fresh/0 filled/fully formatted HDD is needed i think.
..But for now attempt & try above guide HeyManHRU i've quoted.
if 99% again, replace the current PS3UPDAT.PUP cfw that on your usb instead with this below
[url]
https://mega.co.nz/#!vtYX1QZZ!WUin3VkCtoxR_GEi4MtGbZkgdcanKuUq7TIxJy_ JMDs[/url]
MD5: b3a512a12886c24db1ec4f01871d1f3f
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MD5: 3F94515E1B6E3C0CE546A30F229EEFF6
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md5: aa83902c9c04f1015034e450f251a80a
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Md5= FC52E079F2893EC9DD9DF89805B92F16
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MD5: 96f9488fe20937825780a973c6e4cb85
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MD5: 1147DF2A5B13032843B651C20FB5E8C3
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md5 = ba41ecbdf3de3a541ab77c9e28ca2490
And lastly if all the above fail, Rogero's downgrade pup:
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MD5: b67747f529d047d63151786544a58b50
Try to install each CFW above twice before you try the next one (as sometimes in rare occasions 2nd time installation works somehow). And hopefully one of the above has a check patch for 99% stage and will work/install fully 100%.
And
Important if once one of the above firmwares works (100% installs/completes & you are in XMB) stop then where you're at & DONT install any of the rest/cfws.
Let me know then.
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If none above PUPs work then i'm sorry, but you'll just have to simply buy a replacement ribbon cable for the bluray drive from ebay i suggest, Edit:
OR if you can borrow from a friends ps3 temporarily?? (borrow & use his/her bluray drive + it's flat ribbon cable & the 3" grew/black power cable).. just as because you're making it difficult for your[s]self[/s] PS3
Worst case scenario i'm guessing without blu-ray ribbon cable & if none of the above CFWs install/work.. Then well i think you'll have maybe to get/buy an E3 card reader & via lv2 + FSM (factory service mode) reinstall 3.55 OFW while with bluray drive fully connected, or else get stuck in loop all over again. But i'm not 100% sure about the e3 reader & FSM if it that'll make any difference for you to be honest. If i mean installing firmware from FSM is better than installing via from recovery menu. If one's really better than the other.