Hello. i have an Acer Aspire E1-521-0851 that has a failing laptop hard drive that refuses to boot up to Windows 8 and makes a "Tick" noise when running. I found a cheap HDD that seems to have GOOD reviews. But im not sure if it will fit or not.
Hard drive link: http://www.amazon.com/Seagate-Laptop-7200RPM-Cache-ST500LM021/dp/B00ISKS416/ref=sr_1_2?s=pc&ie=UTF8&qid=1447003203&sr=1-2&keywords=Laptop+hard+drive&pebp=1447014012247&perid=14H2YKHTD54QAZZJR997
Hard drive link: http://www.amazon.com/Seagate-Laptop-7200RPM-Cache-ST500LM021/dp/B00ISKS416/ref=sr_1_2?s=pc&ie=UTF8&qid=1447003203&sr=1-2&keywords=Laptop+hard+drive&pebp=1447014012247&perid=14H2YKHTD54QAZZJR997