Professional certifications for mortgage underwriters often increase salaries by 5 percent to 10 percent. With an underwriting certificate, mortgage underwriters can earn $40,000 to $61,000 per year. The National Association of Mortgage Underwriters offers two certifications.
Keeping a laptop plugged in for an extended amount of time or when you're not charging the computer can damage the battery. The CEO of Cadex Electronics, Isidor Buchmann, recommends charging the battery to 80 percent capacity and then unplugging it.
Report Abuse. Yes. A laptop can run without the battery. The other source would be the AC adapter. It can't damage the laptop if you don't use the battery. If you use only the AC adapter, make sure you don't unplug it while you're using the laptop because you will lose all of your data.Scotty Â· 8 years ago. laptop can run without the battery. The other source would be the AC adapter. It can't damage the laptop if you don't use the battery. If you use only the AC adapter, make sure you don't unplug it while you're using the laptop because you will lose all of your data. Scotty Â· 8 years ago.