HP service center Singapore
221 Henderson Road, Singapore, 159557
Phone: +65 6272 5300
62725300 IVR Option 7
Monday through Friday 9:00 a.m. to 6:00 p.m. / Saturday 9:00 a.m. to 1:00 p.m. (Excluding public holidays)
https://support.hp.com/sg-en/document/c05083351
Saturday is applicable for Omen & Spectre Premium Product Support